Podcasts about symmetric

Big thanks to TryHackMe for sponsoring this video. Learn Cyber Security with Practical Labs on TryHackMe:https://tryhackme.com/DavidBombalTech Use my code DAVIDTECH25 to get 25% OFF on Annual Subscription! Dr. Mike Pound joins David Bombal to explain symmetric encryption, AES, secret keys, VPN encryption, TLS, block ciphers, stream ciphers and why encryption is one of the most important building blocks in modern cybersecurity. In this video, Mike explains what encryption actually does: it takes readable plaintext and turns it into unreadable ciphertext so that only someone with the correct secret key can decrypt it. He breaks down how symmetric encryption works, why the same key is used to encrypt and decrypt, and why algorithms like AES are used everywhere from secure websites and VPNs to BitLocker and full disk encryption. You'll learn why AES is so fast on modern CPUs, how keys interact with encryption algorithms, and why AES uses rounds of substitution and permutation to scramble data. Mike also explains the difference between block ciphers and stream ciphers, including AES, DES, Triple DES, ChaCha20 and older algorithms like RC4 and A5/1. The discussion also covers why symmetric encryption is used for bulk encryption in protocols like TLS and IPsec, why asymmetric encryption is used differently, and why you should never write your own encryption algorithm or implement your own AES code for real-world security. If you want to understand how encryption protects your data, how VPNs and secure web traffic work, and why AES is still one of the most important algorithms in cybersecurity, this is a great place to start. // Mike SOCIAL // X: / _mikepound YouTube Channel: / computerphile // YouTube Video REFERENCE //Password Cracking: Can a Rainbow table reverse a hashed password?: • Password Cracking: Can a Rainbow table rev... // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 0:27 - TryHackMe Sponsor 0:49 - Intro 01:18 - Symmetric vs Asymmetric Encryption 04:38 - Key Exchange and VPN Analogy 06:10 - Examples of Symmetric Algorithms 08:56 - Advantages of Stream vs Block Cyber 10:31 - Deeper AES Explanation 14:34 - Substitution, Permutation, Mixing in AES 19:24 - Don't Implement your Own Encryption 20:16 - TryHackMe Sponsor - DEMO 24:21 - DES Algorithm and the NSA 26:01 - Where to Learn More about Encryption 27:42 - Outro Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #symmetricencryption #aes #des

In this episode of The Art of Living Big, Betsy shares some profound insights on grief. She explains that it’s not linear and how we can grow bigger than it. How relationships with those we have lost can change form rather than end, and why hope is a brave decision. This one will move you. Oh, and who doesn’t want a bed jet? Transcript:  Welcome to The Art of Living Big, where we explore how to live intentionally and with more joy. I’m Betsy Pake, your host, master, coach, and creator of the Navigate Method. Here to help you listen in to your true desires, elevate your standards, and live life to the fullest. Now, let’s go live big. Hello. Hi everyone. Welcome to the Art of Living Big. I’m excited to do this episode today, which when we, as I say that, when we get to the topic, you’re gonna be like, wow, you’re excited about talking about this really heavy thing, but I, promise there’s hope in it, and I think that’s the really important part in all this. So last week I did an episode where it was really just me breaking the seal of coming back. So thank you for to so many of you for listening. I am so just so grateful that you accept me back into your ears while you go about your daily tasks. And,, and let me talk with you. I. Wanna tell you a couple other things, and again, if you’re new here, you’re gonna be like, why is she telling me this? I, I don’t know if you’ve been here a while, you’ve kind followed along the journey whether you wanted to or not. And so I’m gonna give you a couple quick updates. My teeth are complete. That is one of my updates. If you remember last year I had dental work that had to be done. I had, , cap and I had a couple weird teeth things. I don’t even remember now what it was, but it was a lot of stuff and it was stuff that I had kind of put off for a couple years. Anyway, once I had that done, I got Invisalign because I had a lot of strange gaps in my teeth that I didn’t have most of my adult life. It, just started happening as I really started clenching my teeth these past few years, and so I. Got my Invisalign. The Invisalign is over, and then I got two new front teeth, I guess I got bonded so that the little space between my teeth was. , Filled in, I guess you could say. I don’t know, I think, I don’t think anybody that meets me that doesn’t know me would notice to me. It looks like I have a couple of chiclets in my front, two front teeth, but I’m getting used to it and it does feel really good to have like a even smile, you know? And I see my teeth so much because of how I record on Instagram. So anyway. My teeth are complete. And it just feels really good to have that journey done. I mean, it’s been like a two year journey to get my, to get them teeth straight. And now I have this really incredible mouth guard that I can wear at night that is, I don’t know, it’s just space, age and amazing. And , I’m happy about that. So that’s keeping my teeth from ever moving again, and it feels really good. So, if you’ve been here for a while, you know that I am. A big fan of sleep, like I really like my bed and I like to sleep, so I wanna tell you about something that I bought. It is not sponsored. I tried to get them to sponsor me for a year. I was messaging and filling out forms on their website. Never, did they reach out to me, which I was like, I am the perfect person to talk about this because I’m obsessed with sleep for one thing, and I. Have a whole audience of women who are right where I am, where you likely need this thing. Now I’m gonna tell you what the thing is, and I’m gonna tell you my honest to God truth about it. But first I just wanna talk about sleep and how much I love it. Okay? So, if you’ve been here, you know, cozy Earth is one of our sponsors. You can get 20% off anything on the website. , You use the code live big Betsy, and you can get 20% off, but. Yeah, that’s neither here nor there for this episode. What I really wanna tell you is that if you followed, you know that I’m obsessed with their house coat. Okay? So this is like my routine. Are you ready? Because if you really want some insane, , cozy sleep, I’m about to give you all the things. I have an aura ring and that gives me my sleep score, right? So if you’re familiar with that, I routinely get 94, 96 sleep scores. I don’t know what happens when you get a hundred. I have a feeling I’d there would be a parade outside for me if I got to a hundred. But my point is I get really high sleep scores now. It. Is it one thing or another? I don’t know. But I’m gonna tell you all the things because there may be a piece of one of these things that helps you. Okay. Enough of the lead up, let me tell you. So there is this, and again, none of this is sponsored except for Cozy Earth isn’t really sponsored. They give us a, they sponsor this show, not this particular episode, but I love them. So what I do is I have this. Bath salts. That’s a magnesium bath salt, and it’s called flu, F-L-E-U-D fluid. I have a subscription, I don’t know, it’s 20 bucks a month and I get three of them. So I do a fleud about once a week, and it is like a high concentration of magnesium, but different from Epsom salts. It makes me feel so chilled out. , There’s other stuff in it, but it is amazing. I put it in my tub and I set a timer so that I stay in there at least 20 minutes and those nights,, and I typically notice this will last four or five nights, and then I notice I need to do another one, or that it makes my sleep better if I do another one. So what I’m about to tell you, the rest of the, this is why I could never have a partner ’cause of all, the things I’m about to tell you. So I take my fleud bath, I put on my cozy earth. House coat, that’s what it’s called on the website. It is basically a comforter that they cut into the shape of a house coat. I put it in the dryer. Okay. I put it in the dryer so it gets warm, and then I put it on when I’ve just gotten outta the shower or gotten outta the bathtub. Okay? Now I walk into my bedroom and I turn on. Turbo. Turbo mode of my bed jet. Okay, so the bed jet is the thing I was saying. I was trying to get them to sponsor me and they didn’t. I’m gonna tell you, the bed jet is like a machine that goes underneath your bed and there’s a hose, like a vacuum cleaner hose that goes into a sheet, a special bed jet sheet. Okay. This sheet lives above your top sheet and under your comforter. Okay? And it’s got these channels that go all the way up through the sheet. And on the bottom part of that sheet, it’s like a, it’s like a envelope. Do you know what I mean? It has two sides. The bottom side is porous, and so the air comes out. From the bottom onto you, and the comforter that you have on top keeps that air contained inside the bed. Okay? So they have turbo mode and it’s 10 minutes of hot air and high fan, and it heats your little bed up to the coziest thing. So now I have on the cozy earth housecoat, I am deliciously relaxed because I’ve had a fluid bath. I’m cozy. I turn on turbo mode, it gets everything all set up. I get in and it’s warm. It’s not too hot, it’s warm. It’s really great. Now. Now the next thing I do. Is I have a special pillow for between my knees, so my knees don’t go knocking together. ’cause I sleep on my side. I, have, I didn’t realize how ridiculous this was until I started really telling you I have a purple bed, which is a specific kind of bed and that I love. I’m obsessed with it. I have a friend that told me to buy one. She bought one for everybody and her family, they’re amazing. Again, no sponsorship. I should have one purple bed. The pillow that keeps my knees from knocking together. I have a NOD pod, which I’m a huge fan of the Nod Pod. A couple years ago I spent $3,000 at Christmas time on Nod Pods for people I love. So the Nod Pod is a weighted eye pillow that goes over your eyes and helps your parasympathetic nervous system and helps you relax into a deeper state of relaxation. So here I am. I’m in the cozy bed. The fan is off now ’cause it’s been 10 minutes so Turbo Mode is done. I’m in the purple bed. I have the Nod pod. I also have a Nod Pod body. I will tell you, I bought the no brand one on Amazon, but it’s, , a weighted blanket that’s just the size of your torso. Okay, so now I got this weight. I got my mouth guard in. Now I hit the dry button. On my bed Jet, it has cool mode, but it also has dry, which just rotates the air around so it’s not too hot, it’s not too cold. And then when I get really hot, , as one does at one o’clock in the morning, I press the cool button. The, remote control is huge and lit up, and , the words are big. So I don’t need my glasses and I can hit cool in it. Sends like shot a shot of cool air around the inside of my bed and it is heaven. So I know that’s a lot of things. What did I say? Food bath. The. Housecoat heated housecoat turbo mode on the bed jet, the purple bed, the nod pod, the nod pod body, and the custom mouth guard. But I’m telling you what like it is. It is really good. It is really good. I sleep really good. Okay, so what was that like 10 minutes of telling you all my crazy, sleep schedule. But we do what we have to do. I do believe that sleep may be like one of the most important things. To keep ourselves healthy and to keep ourselves going, , and to have the energy to be able to do all the things we need to do every day. So anyway, that is my crazy sleep story. But you can get your cozy Earth stuff. Make sure to use the coupon code ’cause it’s 20% off, which I think is great.. I’m a big fan of the Cozy Socks too. Anyway, this episode is not sponsored by them, but I’m obsessed, so I feel like I, they’re like, which episodes do you want us to sponsor? I’m like, it don’t matter. I’ll just be talking about it all the time. ’cause I really like it. I’ll tell you, I get sponsorship opportunities now all the time, and I never take ’em very, very, very rarely. The ones I want are like Veg Jet. Nobody calls me, but. Because I only want stuff I really, really love. I don’t wanna tell you to buy a bunch of stuff you don’t need. Okay. All that stuff you need, come over to my house, spend the night, I’ll get you set up. Okay, so now, for kind of this other part of the show that I really wanna have this discussion with you. Okay, so this past week I woke up and I, it was a Wednesday on St. Patrick’s Day and. I felt so weird, like heavy. I just felt heavy grief in a way that I hadn’t felt in a long time. It was real weird and I got up and I,, did my thing and got the shower started. And then I was like, what is this? And then it dawned on me that it was the anniversary of my mom dying and I actually had to ask Sury. So I had to, ask her what is 2026 minus 1988, and when she said it’s 37, I just, cried in a way that I can’t explain 37 years since my mom died. 37 years. And it’s funny, , that book, the body keeps the score. I think, your body keeps the score. My body knew, I feel like every day, I have no idea what the date is. I should probably know, but I’m like, I don’t know what date it is. I just know it’s like Wednesday or Thursday or whatever and sometimes I don’t even know that. And so I wasn’t really paying attention. I knew it was coming because , of course, ’cause it’s St. Patrick’s Day, so everyone’s talking about St. Patrick’s Day, but. It really hit me in a different way than it has before. And I started thinking about grief and how I don’t think it’s, , I know for sure it’s not linear, and I know that because it’s been 37 years, and if it was linear, I wouldn’t have had the reaction that I had when my computer said 37. I was like,. I made a sound, , like a painful sound. I almost heard myself and thought, what is that? And it was just the shock of 37 years. It’s been a whole lifetime and it’s not even like a, it’s almost her entire lifetime. For one thing. I hadn’t thought of that till just now. She died at 41, so it’s almost her whole lifetime, but it is. A lifetime. , By the time someone’s 37, they’ve given life. Like it’s, just so long. And I thought it’s been that long since I’ve seen her or asked her a question or smelled her or heard her voice. , It’s not like now where we have video. Like when I go, my kid’s gonna have video. He’ll be able to listen to me any moment, , for decades. We don’t have that from 1988. I never, ever texted with her. I never know what that was like. I wonder what she would even think about all the technology now. I wonder what she would think about what I’m doing now. And , if you’ve been here a while, you’ve heard me talk about this, but my mom died one day when I was in high school. I went to school and she went on a trip with my sister. There was a guy from our hometown who was a hockey player, and he was playing at the university on his final game before he went into the NHL Felt special, and my mom was spontaneous and she liked to celebrate things and to make things special, and so she and my sister decided they would get in the car and drive to his last game. How cool that would be to be there and to be able to cheer him on. And he went to the college where my sister went and my dad worked. And so off they went that morning. They left early before I even woke up. And when they were driving, they got to New York. I lived in Vermont at the time. That’s where I grew up. And the game was in Ohio. So they were in New York. Right around Watertown if you’re in that area. And long story short, my mom got off at a wrong exit. They stopped at a little store and said, how do you get back on? , Sometimes you get off on the highway and then you’re like, I can’t get back on. , There’s no entrance, there’s just an exit. And he said, oh, this happens all the time. You have to take this little access road. And when you get to the end of the access road. Then , you’ll see the entrance ramp to the highway. And he said, just be careful ’cause it’s a twisty road. And my mom said, it’s okay, we’re from Vermont. And they got in the car and , it was March and it was cold and it was icy. And as my mom was turning around a bend, the car skidded off the road and kind of down and in little embankment. And , as. Cars do. When you kind of pick up momentum, you know, faster, you go down a little embankment, you pick up some momentum, and there was one tree in the middle of this field, a whole field. And of course, she hit the tree, hit the tree. My sister climbed, got outta the car. She had, broken her jaw and they both had their seat belts on, but. She climbed up the embankment and someone was driving by and they stopped and looked at her and just said, I’ll call the ambulance. And my sister said, thank you. And the ambulance came and they took the jaws of life and they helicoptered my mom to the closest hospital where she had surgery and died about 12 hours later. , I think about that tree a lot, and historically I have, because it was just like a one tree in the middle of a field. There was a lot of places you could go. It was like a parking lot with one tree. But you know, she went where she was looking. , That’s what you do when you’re driving, but that is what you do in life. You go where you’re looking, you go where you are mulling things over. You go where you’re worrying, you go where you’re putting your attention. And I have often felt over the years that my mom and I were creating my business together, that perhaps before I was born, before she was born, we had a pact that I would be her daughter. And she would have some dramatic exit where I would be devastated to the place where I had to find meaning in it in order to move forward. And that meaning would create a lot of good. And so that is how I think I got to where I am , and even became a coach, , back in 2012 and started doing this work. . Here’s the thing that I think when I look back, and someone asked me recently about what is a belief that you have about life? And I knew it ex immediately. I was like, oh, I know. Which is a funny thing that I would know, but I was like, oh, I believe things can change in an instant. Like things can change in an instant, and I know that to be true because of my mom. But the weird thing. Is, I never took that to mean things could go bad in an instant. It’s always been a thing that brought me hope. It’s always been when things are going sideways where I’m like, man, this won’t last. ’cause things can change in an instant. My brain did the opposite. For some reason, it, rewired. To this can turn around any second and it doesn’t even need an explanation. And I really think that’s my superpower. When one of my friends was asking me this, it was actually a client, a friend, client, an old client now a friend. And I was like, I think that’s what it is. , I think that’s like the whole basis of how I operate in life. So, , there is specific moments. In my life where that belief has saved me when hope felt irrational, but I held onto it anyway and I didn’t pay any attention to what was happening. And you’ve probably heard me say this on the show over the years, , I don’t care what’s happening. It’s not real. It’s my old vibration showing up, and now I’m thinking about something else. , Every. Every day. And I did the, I do, , , I did a podcast episode on this back in January, I think, where every day I write as if it’s a day in the future. And typically what I do is I pick a day at the end of the quarter. ’cause that’s how I do my goals, is like quarterly goals. And I pick a date and then that’s the date that I write about. So like every day. A day every day. This year I have written, it’s now March 31st and I am, and then I write all the great things that are happening. And the really interesting thing, and in that process as we’re getting close now to March 31st, is I wrote some crazy stuff and it’s almost all come true. It’s almost all come true. And I noticed when I would be taking chances, like risks, but they were calculated risks or I was. Trying to shift to do something different or bring in something different into my business or whatever it was. And I know it’s because my brain was like, well, to get to that we have to do this thing. Like we’ve got to add in this thing. We’ve got to take this risk. We’ve got to pay somebody to find this person for us, or whatever it was. And I just think those two things together. So that when I was writing every day, it, could change. . Things can change in an instant, and turnarounds don’t require any reason. There’s no reason, just like this bad thing didn’t really require a reason. Symmetric, sym symmetry of chaos, I guess you could say, ? It just all came together, and I think things can all come together all the time. I posted on Instagram that day about grief and about how, I don’t think it’s linear. I think it’s access. I think it’s as you’re going through bigger things, you have more access to grief. As you learn and grow and get to know yourself better, you have more access to grief. The amount of access I had at 16. To understanding grief and, working through it or even experiencing it was different than my experience. Now at 54, almost 55, I’m having different things happen in my life and that door to grief is wide open and that’s why it hit me so hard that morning My. Child has, I say child 24 has a cat that they have had since they were 10, and tonight we’re going to put that cat down. He’s been in the hospital. It is just time. And so we have access to handle grief in different ways. When we’re older, we have access to make different decisions about grief as we get older. And I think that there’s something really nice about never losing access to it. , I know that sounds kind of weird ’cause who wants to have grief? Like that feels, I’m gonna use the air I’m using. Air quotes bad. Like it feels bad, right? But I have a lot of hope. I know it sounds weird ’cause I don’t have hope the cat’s gonna live. We’ve made the decision and we’re going over there tonight, but I have a lot of hope that there’s healing in it, that there’s evolution in it, that there’s purpose in all of it. And that choice probably made unconsciously at age 16, , is still running in the background. Things can change in an instant. I know the situation with Sammy, the kitty isn’t changing, but I know the way we feel about it, Ken and I know things can shift. So here’s the thing when I posted this on Instagram is I got so many messages from people. I mean, hundreds of messages and everybody can relate to grief. , It’s just such a human thing. I think the part that is harder is when you’re 16 or 10, 22 and you’re trying to relate to grief because you haven’t had enough life experience to be able to access it where you can really process it. And so I have some thoughts of what I would tell someone who is. Loving someone who is losing a parent as a kid. Oh, y’all know I’m gonna cry. I’m not gonna cry. It’s gonna be fine, but I have some real thoughts. So I have some thoughts. Maybe they’ll be helpful. Maybe they’ll be helpful down the road. I think the first thing is to recognize. That your access to the grief when you’re younger is going to change as you get older. And that’s not a bad thing. It doesn’t mean, oh my God, this is never going away because , that’s just a part of life. It’s not whether it’s your cat, your dog, you know your parent. You don’t ever get over it. But what happens, and I think especially when we go through something when we’re young. We’re expanded and the threshold of our emotion is pushed in A way that doesn’t always happen in adolescence is that you get the opportunity to get bigger than it a lot earlier. The grief doesn’t really get smaller, but that’s not a bad thing because you start to really expand around it. And I actually think in a way we don’t want it to go away because, I’m not gonna cry because it I is a reminder and it really helps us access the love as well. , There’s that idea of the light and the dark and the good and the bad, and you can’t put one into perspective in the same way if you don’t have the other. So you don’t ever get over it, but you get bigger than it. And if it happens to you when you’re younger, you have an opportunity. I’m coming from my perspective. . If you had never lost a parent and you’re like, wait, what? But you have an opportunity to experience way more joy than other people. If you can access the grief, you can access the joy in equal parts, and I think that is a superpower. I think that makes your whole life. Like I, I believe we came here as like spiritual beings to experience the ups and downs, not just to experience ups. Like we came here for all of it. And so this gives you access to all of it, and I think that’s a really special thing. The other thing that I wanna say is the relationship doesn’t end it. Is our belief that when they are no longer in the physical form, that they’re gone. I’m using air quotes again that they’re gone, but I don’t believe that. I believe it changes form. I believe that the access, it’s like when my mom was in the kitchen and I was like in our TV room, and I would yell to her and she would answer. I wouldn’t see her, but I would get the answer to my question. And I talk to my mom now all the time, even more so over the past few years than I ever have before. The other day I said to her, I want a miracle today. It was on her anniversary of her death. I said, have something happen today that is so crazy that I would never, ever believe it if it didn’t happen today. Like something that right now, if you told me it was gonna happen, I’d be like, that’ll never happen, and I got that. I’ll do a show on it, but it’s not gonna be today. But I got the craziest thing happened, the craziest thing. And so I decided that was my sign and that there’s signs all over. And if that could happen, why not ask for something every day? And you might feel like we don’t get to have miracles every day, but I think we do. What if we do? What if you’re wrong? What if we do? What if the relationship doesn’t end? It just changes form, and I’m still in a relationship with her and she can actually help me in such a different way now, and that when I don’t communicate with her, or I don’t ask her for what I need or I don’t show up, then I’m limiting myself and I’m cutting myself off from her. It’s not her doing it to me, it would be me doing it to her and. There will be a moment. There is a moment, I think for me that happened years after my mom died, where I realized how much she shaped the way that I think, and not just in her being here, but in her not being here and. There was so many lessons that shaped my life, which I really like my life. I really like my life, especially right now. I really, really like it, and it, her loss shaped it just as much as her being, and that’s legacy. That’s not loss, that’s legacy. And so I allow the lessons from her loss. To be attributed to her and to influence the way that I operate and the way that I enjoy my life, my sleep, I’m allowed. We’re allowed to dive into the things that make us happy. It can be silly and whimsical and fun, and we can know how important it is because we can know how shitty it is when it’s gone and that it could be taken at any moment. My mom didn’t wanna go. I’m sure she would have changed her mind if she had an option. All right. The next thing that I would tell someone that is witnessing someone losing a parent right now is to let them say the wrong thing. After my mom died, I was so devastated as one would be, and my dad was not. Super present in my life. I’m gonna say it. My parents were married, but my mom was the homemaker and my dad worked and he was also really active in our community and he volunteered for lots of things and he was busy and the way he interacted with us when my mom was alive was a lot different. It’s not that he’s a bad man at all. He’s lovely and I. And now as an adult have formed a really, especially over the past year, he has been just a super rock star for me. So when my mom died, she’d only been dead a few weeks and I said something terrible to him about that. And so he let me, he, let me just say that shitty thing. He never asked me to explain it. He never told me how it hurt his feelings, which I’m sure it did. He just forgave me really fast. And looking back, I think he was likely just aware that I was afraid, that I was afraid of him dying too. And that was my process, and he let me have it. So if you’re watching someone lose a parent, or they just lost a parent, let them say the wrong thing. Let it go. And also you are allowed to be angry. You’re allowed to be fine. You are allowed to feel both of those things on any given day. And if you are losing a parent, you’re allowed to be angry, you’re allowed to be fine. And you’re allowed to feel both of those things on any given day. It’s just life. It’s life and life is happening. And I think the more that we. Allow ourselves to define the box instead of live in a box, the easier it will be for us to be able to move forward and to get perspective on it, and to grow around it, and to grow bigger than the grief. And so here’s my thoughts on. All of this and on hope , as a bigger lesson, , hope as a practice. I say lots of times to women in the navigate method that hope, I think is one of the scariest things. ’cause you have to trust almost something outside yourself. And I think most people treat hope like it’s something that happens to them when the conditions are good, like when it’s safe to hope. But I think one of the bravest things you can do is hope. Hope for better, hope for clarity, hope for realizations, for peace, even when the conditions aren’t right, even when it doesn’t seem likely. And you know what my mom’s death accidentally told, accidentally taught me is that hope is a stance. , It’s a decision. It is a rewire. We can say, this awful thing happened and this shitty thing I went through and, that things can change in an instant. It’s neutral, right? You choose to make a reason to keep going no matter what your situation, whether you lost a parent at 50 or you lost ’em at 10, or you never have at all. We all have. Things that we grieve. We grieve relationships and jobs and friendships. People don’t have to die in order for us to be grieving and for all these lessons to still be important. And that choice, I think to, decide that you are going to focus where you wanna go. I feel really lucky that has quietly been chugging along in the background of my brain. And I don’t know if that’s just how I was wired long before my mom was born. And I have a lot of other flaws. Like, let me celebrate the one thing. I do this really well and I make a really good, soft boiled egg. Okay, so let me have this. So, but I think that when we can do that. We can recognize what unconscious choices are you actually listening to and which ones would you choose, , in inside group. That’s one of my favorite things to do with people is to really dig down and find out what is it unconsciously that you’re thinking? What’s the pattern that’s running, and do you need to rewire it? Do, does that pattern need to change? It’s okay that you thought that thing for a long time. It probably served you and kept you safe, but now what do you want to be thinking? What would you choose? How do you want to live this wild and precious life? Because things can change in an instant and you don’t have to lose someone to learn this. But if you have, , I want you to know that the very thing that breaks us open can actually be the thing that keeps us going. And that, I think is how you live a big life. Just a reminder, we have our fireside chat this coming month in April on the fifth. Yeah, it’s Easter. I know it’s Easter Sunday. The scheduling sometime chooses us. We don’t choose the scheduling. It’s all right, so it, you can’t make it. We’re gonna do it again early May. If you can make it, maybe you’ve spent the day doing Easter stuff. Maybe you won’t do any Easter stuff and you’ll just wanna come hang out with me. It might be a smaller group, which will be really fun. We’re just gonna talk about. Some of these big decisions. There’s no real script for these. We don’t record them. They’re a place to be honest, and to share and to have a little community, when we feel so alone in some of our big decisions, especially around marriages, and that’s the work that I do. It can be isolating and there can be a lot of shame in there. And so this just brings you to a place where everybody gets it and you don’t have to explain yourself. So come join. Come join me over there, fireside Chat. You can find the link in the menu on my website, betsy p.com, or just message me on Instagram Fire. If you just shoot me a message, it just says Fire. It’ll automatically reply. The world of bots is amazing, but it’ll help me get it to you quicker. Also, if you haven’t followed along on Instagram, come find me there. It’s just Betsy and I’ve got something new that I’m working on. I’m really so freaking excited about these videos that I’m making. None of them are live. I’m trying to figure out if I need to hire a videographer, but I have stories to tell and I wanna tell it in a new way. So I’ll still be doing the same content that I’ve been doing, but I have some other things just to share with you about what it’s like. To start over in your fifties. There’s so many little funny stories every week that I have, and I thought, let’s, share these in a new way. So be sure to be looking for those. I really wanna get those out soon. So it, it is on my short list, and then next month please go to my YouTube because we are. Again, we’ve really done a lot of work. I say we, it’s me and my cat. Enjoy my, operations bestie. , We’ve done a lot of work to create systems so that I can get some really good YouTube videos out for you. Longer form where I’m gonna be recording y’all. I bought gear. I got, a set up now. , You know you gotta come, you gotta come and visit me over there. . I’ll let you know when it’s live, but be on the lookout. You can also just text me on Instagram or dm me on Instagram, YouTube, and it will send you the link so that you can follow along and get alerted when they’re live. Okay? All that chatter, just to say, I’m so happy that you’re here. Thank you for being with me on this journey, and I love you so much. I’ll see you next time. Bye-bye. Thanks for joining me on The Art of Living Big. I hope today’s episode sparked something within you, maybe pushed you to dream a little bit bigger and live a little larger. Don’t forget to subscribe. Leave us a review and share this podcast with someone you know who might need a little inspiration today. You can find me over on Instagram at betsy pa and on my YouTube channel. Remember, the world is vast. Your potential is endless, and your life, it’s yours to shape. Until next time, keep reaching, keep exploring, and keep living big.

A case is made that the US floor is low but the ceiling is high, while the range for the rest of the world is narrower. A counter argument is that the bullish view of risk assets poses more of an asymmetric risk distribution for the US. Fiscal policies have tilted easier this year, a theme we stressed in our year-ahead outlook, but the latest developments (France, Japan, China, US) do not move the global needle much.    Speakers: Bruce Kasman Joseph Lupton   This podcast was recorded on 10 October 2025. This communication is provided for information purposes only. Institutional clients please visit www.jpmm.com/research/disclosures for important disclosures. © 2025 JPMorgan Chase & Co. All rights reserved. This material or any portion hereof may not be reprinted, sold or redistributed without the written consent of J.P. Morgan. It is strictly prohibited to use or share without prior written consent from J.P. Morgan any research material received from J.P. Morgan or an authorized third-party (“J.P. Morgan Data”) in any third-party artificial intelligence (“AI”) systems or models when such J.P. Morgan Data is accessible by a third-party. It is permissible to use J.P. Morgan Data for internal business purposes only in an AI system or model that protects the confidentiality of J.P. Morgan Data so as to prevent any and all access to or use of such J.P. Morgan Data by any third-party.

download it now: https://howlrecord.bandcamp.com/album/andu-simion-terrific track info: artist: Andu Simion title: Symmetric II label: HOWL RECORDS catalog number: HWLSD115 release date: 2025-05-13 style: Minimal House, Minimal Techno keep an eye on Andu Simion https://soundcloud.com/andusimion https://facebook.com/UndoSimion https://instagram.com/andusimion https://discogs.com/artist/2547852 https://ra.co/dj/andusimion keep an eye on HOWL RECORDS https://discogs.com/label/106742-Howl-Records-2 https://soundcloud.com/howlrecords https://facebook.com/howlrec https://instagram.com/howlrecords for premiere requests, please use the form on https://intaresu.com/submit follow intaresu on https://soundcloud.com/intaresu https://instagram.com/intaresu https://facebook.com/intaresu listen to more electronic music on intaresu: https://intaresu.com

In the last episode of PING for 2024, APNIC's Chief Scientist Geoff Huston discusses the shift from existing public-private key cryptography using the RSA and ECC algorithms to the world of ‘Post Quantum Cryptography. These new algorithms are designed to withstand potential attacks from large-scale quantum computers and are capable of implementing Shor's algorithm, a theoretical approach for using quantum computing to break the cryptographic keys of RSA and ECC. Standards agencies like NIST are pushing to develop algorithms that are both efficient on modern hardware and resistant to the potential threats posed by Shor's Algorithm in future quantum computers. This urgency stems from the need to ensure ‘perfect forward secrecy' for sensitive data — meaning that information encrypted today remains secure and undecipherable even decades into the future. To date, maintaining security has been achieved by increasing the recommended key length as computing power improved under Moore's Law, with faster processors and greater parallelism. However, quantum computing operates differently and will be capable of breaking the encryption of current public-private key methods, regardless of the key length. Public-private keys are not used to encrypt entire messages or datasets. Instead, they encrypt a temporary ‘ephemeral' key, which is then used by a symmetric algorithm to secure the data. Symmetric key algorithms (where the same key is used for encryption and decryption) are not vulnerable to Shor's Algorithm. However, if the symmetric key is exchanged using RSA or ECC — common in protocols like TLS and QUIC when parties lack a pre-established way to share keys — quantum computing could render the protection ineffective. A quantum computer could intercept and decrypt the symmetric key, compromising the entire communication. Geoff raises concerns that while post-quantum cryptography is essential for managing risks in many online activities — especially for protecting highly sensitive or secret data—it might be misapplied to DNSSEC. In DNSSEC, public-private keys are not used to protect secrets but to ensure the accuracy of DNS data in real-time. If there's no need to worry about someone decoding these keys 20 years from now, why invest significant effort in adapting DNSSEC for a post-quantum world? Instead, he questions whether simply using longer RSA or ECC keys and rotating key pairs more frequently might be a more practical approach. PING will return in early 2025 This is the last episode of PING for 2024, we hope you've enjoyed listening. The first episode of our new series is expected in late January 2025. In the meantime, catch up on all past episodes.

AI-Driven Healthcare: From App Testing to Early Disease DetectionAre you curious about how AI is transforming healthcare, from behind-the-scenes operations to life-saving diagnoses? In our latest podcast episode, we dive deep into the world of AI-powered healthcare solutions that are changing the game for hospitals and patients alike.

The migration to post-quantum cryptography (PQC) is about to begin and is necessary to protect against the threats of fault-tolerant quantum computing. However, critical assets like those in military, banking and government environments also require other layers of security and strategies, such as zero trust and increased encryption bit sizes. Join host Konstantinos Karagiannis as he discusses with his guest, Richard Blech from XSOC, a high-performance symmetric encryption solution that will provide defense in-depth today and after thousands of logical qubits arrive.  For more on XSOC, visit www.xsoccorp.com/ .  Visit Protiviti at www.protiviti.com/US-en/technology-consulting/quantum-computing-services  to learn more about how Protiviti is helping organizations get post-quantum ready.  Follow host Konstantinos Karagiannis on all socials: @KonstantHacker and follow Protiviti Technology on LinkedIn and Twitter: @ProtivitiTech.  Questions and comments are welcome!   Theme song by David Schwartz, copyright 2021.   The views expressed by the participants of this program are their own and do not represent the views of, nor are they endorsed by, Protiviti Inc., The Post-Quantum World, or their respective officers, directors, employees, agents, representatives, shareholders, or subsidiaries.  None of the content should be considered investment advice, as an offer or solicitation of an offer to buy or sell, or as an endorsement of any company, security, fund, or other securities or non-securities offering. Thanks for listening to this podcast. Protiviti Inc. is an equal opportunity employer, including minorities, females, people with disabilities, and veterans.

Sun, 16 Jun 2024 03:45:00 +0000 https://jungeanleger.podigee.io/1558-song-55-im-bau-sebastian-b-kwem-leben-prod-by-symmetric 024523e24005ebf8cb42151229cc5b0f Im Bau ist ein Song von Börsenradio-Legende Sebastian Leben, produziert von Symmetric. Am 21. Juni geht eine Börsepeople-Folge mit Sebastian live, wir sprechen dort über eine tolle Zeit als Kollegen, über den starken Podcast "Broke und Broker", aber auch ganz offen über eine lebensbedrohliche Erkrankung, mit der Sebastian offen und vor allem erfolgreich umgeht. Statistisch gesehen haben sich seine Chancen wieder deutlich verbessert. Aber hier mal "Im Bau". Weiterer Song von Sebastian: Probleme https://audio-cd.at/page/playlist/1727 Sebastian Börsepeople ab 21.6.: http://www.audio-cd.at/people . https://brokeundbroker.de Er spricht das "Homey B" in meinem täglichen Jingle der Wiener Börse Party: http://www.audio-cd.at/wienerboerseplausch Er hat mein "Stadtsong"-Refrain cooler gemacht: https://audio-cd.at/page/playlist/1985 - mehr Songs: https://www.audio-cd.at/songs - Playlist mit ein paar unserer Songs: https://open.spotify.com/playlist/63tRnVh3aIOlhrdUKvb4P Bewertungen bei Apple (oder auch Spotify) machen mir Freude: http://www.audio-cd.at/apple http://www.audio-cd.at/spotify 1558 full no Christian Drastil Comm.

In this week's podcast, Neurology Today's editor-in-chief discusses a push among neurocritical care experts to develop a code procedure for intracerebral hemorrhage, new findings showing people with Havana syndrome have functional neurologic disorder, and a study reporting distal symmetric polyneuropathy is more prevalent but less diagnosed in primary care clinics in low-income areas.   This podcast is sponsored by argenx. Visit www.vyvgarthcp.com for more information.

In this episode of the Award-winning PRS Journal Club Podcast, 2024 Resident Ambassadors to the PRS Editorial Board – Rami Kantar, Yoshi Toyoda, and Amanda Sergesketter- and special Scott Hollenbeck, MD, discuss the following articles from the April 2024 issue: “Symmetric Breast Surgery: Balancing Procedures versus Prophylactic Mastectomy and Immediate Reconstruction” by Bitoiu, Grigor, Hardy, et al. Read the article for FREE: https://bit.ly/BalancingBreastSurgery Special guest Dr. Scott Hollenbeck completed his medical degree at The Ohio State University followed by general surgery residency at Cornell and plastic surgery training at Duke University. He started his career at Duke University, where he led the Duke Flap Course and was Vice Chief of Research and Director of Breast Reconstruction, and this past year was appointed the Raymond F. Morgan Professor & Chair of the Department of Plastic Surgery at the University of Virginia. His clinical interests focus on microsurgical reconstruction and breast reconstruction. He holds many leadership positions nationally and this year is serving as the President-Elect of ASPS READ the articles discussed in this podcast as well as free related content: https://bit.ly/JCApril24Collection

In this episode of the Award-winning PRS Journal Club Podcast, 2024 Resident Ambassadors to the PRS Editorial Board – Rami Kantar, Yoshi Toyoda, and Amanda Sergesketter- and special Scott Hollenbeck, MD, discuss the following articles from the April 2024 issue:   “Symmetric Breast Surgery: Balancing Procedures versus Prophylactic Mastectomy and Immediate Reconstruction” by Bitoiu, Grigor, Hardy, et al.   “Early Complications in Prepectoral Breast Reconstructions with and without Acellular Dermal Matrix: A Preliminary Analysis of Outcomes” by Plotsker, Graziano, Rubenstein, et al.   “Comparing Trends in Medicare Reimbursement and Inflation within Plastic Surgery Subspecialties” Stoffel, Shim, Pacella, et al.   Special guest Dr. Scott Hollenbeck completed his medical degree at The Ohio State University followed by general surgery residency at Cornell and plastic surgery training at Duke University. He started his career at Duke University, where he led the Duke Flap Course and was Vice Chief of Research and Director of Breast Reconstruction, and this past year was appointed the Raymond F. Morgan Professor & Chair of the Department of Plastic Surgery at the University of Virginia. His clinical interests focus on microsurgical reconstruction and breast reconstruction. He holds many leadership positions nationally and this year is serving as the President-Elect of ASPS   READ the articles discussed in this podcast as well as free related content: https://bit.ly/JCApril24Collection   #PRSJournalClub

Konstantin du groupe K. nous présente leur nouvel EP All the Hearts Symmetric (vol.2) Pour l'écouter rendez-vous sur la page : https://www.radiolocalitiz.fr/k-all-the-hearts-symmetric-vol-2/ Soutenez-nous sur helloasso.com !

Po długich miesiącach gadania, przyszedł czas na działanie - wreszcie rozpoczęliśmy wdrażanie semantic searcha! Przejście od teorii do praktyki było dość trudne, dlatego mamy dla Was garść informacji, które ułatwią Wam wejście w temat. Rozmawiamy o tym czym jest semantic search, jakie nam daje korzyści w porównaniu do tradycyjnego wyszukiwania, co musimy mieć, żeby go wdrożyć, jak połączyć ze sobą poszczególne elementy całej układanki i jak takie rozwiązanie zaimplementować. Informacje dodatkowe: "What is semantic search?", Elastic: https://www.elastic.co/what-is/semantic-search "Large language model (LLM)", Wikipedia: https://en.wikipedia.org/wiki/Large_language_model "What Is Retrieval-Augmented Generation, aka RAG?", NVIDIA Blogs: https://blogs.nvidia.com/blog/what-is-retrieval-augmented-generation/ "Hybrid Search Explained", Weaviate: https://weaviate.io/blog/hybrid-search-explained "Semantic search", SBERT: https://www.sbert.net/examples/applications/semantic-search/README.html#semantic-search Hugging Face: https://huggingface.co/ PyTorch: https://pytorch.org/ TensorFlow: https://www.tensorflow.org/ Node.js: https://nodejs.org/en Elasticsearch: https://www.elastic.co/elasticsearch Kubernetes: https://kubernetes.io/ "Build Semantic-Search with Elastic search and BERT vector embeddings. ( From scratch )", Abid Saudagar: https://www.youtube.com/watch?v=KSwPR9eig7w Jupyter Notebook: https://jupyter.org/ SentenceTransformers Documentation: https://www.sbert.net/ "k-nearest neighbor (kNN) search", Elastic Docs: https://www.elastic.co/guide/en/elasticsearch/reference/current/knn-search.html Transformers.js, Hugging Face: https://huggingface.co/docs/transformers.js/index "Export to ONNX", Hugging Face docs: https://huggingface.co/docs/transformers/serialization "Symmetric vs. Asymmetric Semantic Search", SBERT: https://www.sbert.net/examples/applications/semantic-search/README.html#symmetric-vs-asymmetric-semantic-search "Tutorial: semantic search with ELSER", Elastic Docs: https://www.elastic.co/guide/en/elasticsearch/reference/current/semantic-search-elser.html "The Beginner's Guide to Text Embeddings", Deepset: https://www.deepset.ai/blog/the-beginners-guide-to-text-embeddings

Do you ever wonder about the intriguing intersection of AI and sales enablement? Join us as we sit down with Jonathan Carford, aka Coach K, the new head of revenue enablement for an exciting startup, Symmetric. Unravel the mystery between predictive analytics and true AI as Jonathan shines a light on their key differences and how to unlock the full potential of each platform to streamline your work and increase efficiency. Strolling through the futuristic world of AI application in sales, we marvel at the brilliant revolution it brings. Imagine having an interactive AI persona to practice your sales pitch or an AI assistant that researches job histories and companies for your presentations. We delve into the role of product marketing, enablement, and revops in developing customer personas and the prospect of AI generating innovative ideas. Not to mention, the potential of AI analysing 10ks for those who are not business school graduates.Finally, we round off the conversation with Coach K's experiences with AI auto-tagging in CMS systems - a game-changer making content management a breeze. Jonathan also shares his criteria for evaluating AI platforms and shares nuggets of wisdom on trusting your instincts and embracing failure. We discuss the subtle art of LinkedIn connections, providing valuable tips to handle requests. Be sure to tune in to this enriching episode on the future of sales enablement and AI. Join us and Coach K on this journey - you won't want to miss it!Please subscibe on Apple, Spotify or Google.

Episode 2347: Our featured article of the day is Affine symmetric group.

Digital signatures are the foundation of our digital trust. With this, Bob has a key pair: a private key and a public key. In order to provide his identity, he signs a hash of a message with his private key, and then Alice proves this with his public key. Currently, we mainly use RSA, ECDSA and EdDSA for our signature methods, and where DSA signatures (which use discrete logs) have been dropped for their creation. For example, ECDSA is used with Bitcoin and Ethereum, and RSA is often used to identify Web sites. EdDSA is now on the rise, and is part of the FIPS-186–5 standard. Unforunately, we will need to replace these methods — as quantum computers can crack them. The other area that needs to be replaced is key exchange and public key encryption. These days we typically use ECDH (Elliptic Curve Diffie Hellman) for key exchange, and RSA for public key encryption. These will have to be replaced with quantum-robust methods — Post Quantum Cryptography (PQC). Goodbye RSA and ECC, and Hello to PQC And, so, using Shor's algorithm, quantum computers will be able to crack RSA, discrete logs and ECC (Elliptic Curve Cryptography), and so we need to remove RSA, ECDSA and EdDSA and replace them with methods that are quantum robust. For this, NIST has been running a competition for the last few years, and where CRYSTALS-Dilithium and SPHINCS+ were selected as the winners for PQC digital signatures. There are no other candidates that are being assessed from the previous round. Overall, Dilithium is a lattice-based method, while SPHINCS+ uses a hash-based signature method. But what if these methods are cracked? Well, it happened to two of the finalists for the NIST competition: Rainbow and SIKE, and where the methods were cracked in the final round of the competition. For KEM (Key Exchange Mechanisms) to replace ECDH (Elliptic Curve Diffie Hellman) and Public Key Encryption (PKE) to replace RSA, NIST has standardized CRYSTALS-Kyber, and is still assessing BIKE, Classic McEliece, HQC, and SIKE. Additional Signatures: Round 1 And, so, NIST is on the look-out for alternatives for Dilithium and has set up a new competition [here]: In the first round, we have: Code-based Signatures: CROSS (Codes and Restricted Objects Signature Scheme); Enhanced pqsigRM; FuLeeca; LESS (Linear Equivalence Signature Scheme) and MEDS (Matrix Equivalence Digital Signature Wave). Isogenies: SQIsign. Lattice based: EagleSign; EHTv3 and EHTv4; HAETAE; HAWK; HuFu (Hash-and-Sign Signatures From Powerful Gadgets); Raccoon; and SQUIRRELS (Square Unstructured Integer Euclidean Lattice Signature). MPC in the head: MIRA; MiRitH (MinRank in the Head); MQOM (MQ on my Mind); PERK; RYDE; and SDitH (Syndrome Decoding in the Head). Multivariate Signatures (Oil and Vinegar): 3WISE; Biscuit; DME-Sign; HPPC (Hidden Product of Polynomial Composition); MAYO; PROV (PRovable unbalanced Oil and Vinegar); QR-UOV; SNOVA; TUOV (Triangular Unbalanced Oil and Vinegar); UOV (Unbalanced Oil and Vinegar); and VOX. Symmetric-based Signatures: AIMer; Ascon-Sign; FAEST; and SPHINCS-alpha. Doing a quick count, we have: Multivariate: 11; Lattice: 7; Code-based: 5; MPC-in-the-head: 5; Symmetric-based: 4; and Isogenies: 1. So, multivariate seems to be leading the way, with lattice methods being popular too. But poor old isogenies only has one contender. This may be due to the crack on an isogeny-based method (Supersingular Isogeny Key Encapsulation SIKE), or that isogenies are better suited to key exchange techniques. And so, let's look at the basic methods and some previous examples. Multivariate — Unbalanced Oil and Vinegar (UOV) With multivariate cryptography, we have n variables within polynomial equations. For example, if we have four variables (w,x,y,z) and an order of two, we could have [here]: w²+4wx+3x²+2wy−4wz+2wx+6xz=387 Generally, this is a hard problem to solve, so we want to make it easy if we know a secret. In this case, I know that the solution is w=7,x=4,y=5, and z=6. Oil and Vinegar Makes A Hard Problem Easy Fixing The Hole In The Internet in a Post Quantum World medium.com   Lattice To understand lattice cryptography, you need to understand polynomials, as our bit values are converted into polynomials. Our operations are then conducted with polynomial multiplies and addition, and taken with a (mod p) operation (and where p will be the maximum value we generate for the polynomial values). The Magic of Lattice and The Eye of a Falcon To understand lattice cryptography, you need to understand polynomials, as our bit values are converted into… medium.com   Code-based This method was created in 1978 with the McEliece cryptosystem but has barely been used in real applications. The McEliece method uses linear codes that are used in error-correcting codes and involves matrix-vector multiplication. An example of a linear code is Hamming code [here]. McEliece and Rust: Edging Slowly To A NIST Standard for PQC We live in a world that is dominated by large (and faceless) corporations, but it is individuals who have often built… medium.com   MPC-in-the-head These methods use non-interactive zero-knowledge proofs of knowledge and MPC (Multiparty Computation). With MPC we can split a problem into a number of computing elements, and these can be worked on in order to produce the result, and where none of the elements can see the working out at intermediate stages. The great advantage of this method is that we only use symmetric key methods (block ciphers and hashing functions). Let's Go For A Post-Quantum Picnic And then there were three: CRYSTALS Dilithium, Falcon and Rainbow. These are the finalists for the NIST standard for… medium.com   Symmetric These methods uses standard cryptographic methods such as symmetric key encryption and hashes. Typically they use AES and SHA3 — and which are quantum robust. Isogenies If we have two elliptic curves (E1 and E2), we can create a function that maps a point (P) on E1 to a point Q on E2. This function is known as an isogeny. If we can map this function, every point on E1 can be mapped to E2. Our secret key is then the isogeny and the public key is the elliptic curve. For key exchange, Bob and Alice mix their isogeny and the other side's curve to generate a secret curve. Isogenies? The End Game for Public Key Encryption? Well, we are now at the final stage of NIST's post-quantum cryptography standardization, and which started in 2016: medium.com   Conclusions Exciting times are ahead as the methods go up and against each. In the last competition, some of the methods fell because of a problem with their parameters (Rainbow — UOV) or because of a core weakness (isogenies). But, this time, they are all likely to come back strong and (hopefully) compete well against the lattice methods.

Blog: https://medium.com/asecuritysite-when-bob-met-alice/a-bluffers-guide-to-symmetric-key-encryption-modes-f7882881f6d Symmetric key encryption involves a single key to encrypt and decrypt and where Bob and Alice can use the same encryption key. The two most popular symmetric key methods are AES — Advanced Encryption Standard — and ChaCha20. Along with this, we either have a block cipher or a stream cipher. With a block cipher, we process a number of bytes at a time with our ciphering process. With AES, we have a 128-bit block size, and thus process 16 bytes for each block. For a stream cipher, we generate a pseudo infinitely long key stream from a passphrase or random value, and then just XOR this with the plaintext. The size of the key stream is match to the number of bytes in the plaintext. To decrypt, we just generate the same key stream, and XOR it with the ciphertext to recover the plaintext. I am often surprised by how little care many companies have in their encryption process and do not review the fundamental weaknesses of using symmetric key encryption. For many, it is a tick-box approach, where an auditor just asks if they are using encryption or not. It should not be, and there are many weaknesses that need to be taken into account. So, here's the bluffer's guide to modes in AES: ECB (Electronic Code Book). This is the fastest mode and should NEVER be used, as there is no salt (IV) used in the ciphering process. This mode is only used for academic purposes to show what can go wrong if salt is not added to the encryption process. With this, the ciphertext will always be the same for the same plaintext, and it is possible to easily crack by looking at patterns in the data. All of the other modes have a salt (IV or nonce) value: CTR (Counter). This is an excellent mode which has a counter for each block, and then converts to a stream cipher. It is nearly as fast as ECB, and can be processed in parallel. It can be played back in a different session and can have little in the way to integrity check, and where Eve can flip bits and change the plaintext from the ciphertext. We need all the ciphertext before we can use the plaintext. A demo of breaking CTR is: https://billatnapier.medium.com/can-i-break-aes-encryption-yes-31bdf539aba0 GCM (Galois/Counter Mode). This is almost the same as CTR and is a stream cipher, but slower than CTR (but still relatively fast overall. It has the advantage of adding additional data, such as for a session ID, and thus protects against playback. GCM (Galois/Counter Mode). The main change from CTR is to add a MAC, and so the bit-flipping method would be near impossible to implement. This mode implements AEAD (Authenticated Encryption with Additional Data), and is useful in defending against playback attacks. It can suffer from nonce reuse, though. CBC (Cipher Block Chain). This is a block mode which thus requires padding before encryption and after decryption. While achieving the same speeds as ECB for a small amount of data, it slows down with larger amounts — because of the block-chaining process. It is seen to be a little cumbersome and has a few issues with security. CCM (counter with cipher block chaining message authentication code; counter with CBC-MAC). This is a stream cipher mode and has a similar performance to CBC. It integrates better integrity checks with a MAC (message authentication code). ChaCha20. It is not AES — which can be a good thing. Along with this, it is a stream cipher (and so fast in its operation). It is typically not as fast at CTR and GCM, but faster than CBC. Overall, AES tends to be accelerated for its processing on x64/x86 chips, but not for ChaCha20. As with AES GCM mode, ChaCha20 implements AEAD (Authenticated Encryption with Additional Data) and is useful in defending against playback attacks. There are other modes, such as OFB (Output Feedback) and CFB (Cipher Feedback), but these are not used that much. For this in the finance industry, you might also be using 3DES, and which has not been broken, but is much slower than AES and ChaCha20. Here are some performance tests [here]: Generally, the stream ciphers can struggle against nonce reuse, and if the same nonce is used, it can be possible to break AES by XOR'ing cipher streams. And to show the breaking of the integrity of AES: Can You Trust AES Encryption? In this article, I will not break the AES method (as it has yet to be broken), but breach its integrity. This is… billatnapier.medium.com   But, it's NIST defined! There is no guarantee that because NIST defines something as a standard that it will be secure, as it all depends on the implementation. ECDSA and EdDSA are NIST standards but have been easily broken in the past with poor implementations. We have seen that CTR mode is weak against bit-flipping, and where GCM creates a MAC to defend against this. While it is nearly impossible to flip the bits of the cipher and of the MAC, and for them to tie-up, it is certainly possible to recreate a valid MAC and replace it, when a nonce is reused. So, companies who take security seriously should understand their risks, and test accordingly. Those involved in areas of high risk, such as dealing with financial data and PII, should understand the risks in the methods they implement and not just tick a box to say that they have encrypted the data. I have seen many examples of companies ploughing on with the same old encryption methods — even though they have significant weaknesses.

Adverse selection refers generally to a situation in which sellers have information that buyers do not have, or vice versa, about some aspect of product quality. In other words, it is a case where asymmetric information is exploited. Asymmetric information, also called information failure, happens when one party to a transaction has greater material knowledge than the other party. Typically, the more knowledgeable party is the seller. Symmetric information is when both parties have equal knowledge. In the case of insurance, adverse selection is the tendency of those in dangerous jobs or high-risk lifestyles to purchase products like life insurance. In these cases, it is the buyer who actually has more knowledge. To fight adverse selection, insurance companies reduce exposure to large claims by limiting coverage or raising premiums.This show is part of the Spreaker Prime Network, if you are interested in advertising on this podcast, contact us at https://www.spreaker.com/show/4432332/advertisement

On this episode of Inner Confidence Podcast, Robbie Kramer is joined by Amir to discuss dating strategies and navigating the challenges that come with scheduling. The conversation covers topics such as flaking, symmetric investment levels in relationships, and putting pressure on potential partners. Host Kramer shares his passion for improving men's love lives and recommends [...]

On this episode of Inner Confidence Podcast, Robbie Kramer is joined by Amir to discuss dating strategies and navigating the challenges that come with scheduling. The conversation covers topics such as flaking, symmetric investment levels in relationships, and putting pressure on potential partners. Host Kramer shares his passion for improving men’s love lives and recommends […] The post 233: The Ethics of Flaking – Understanding Symmetric Investment Levels in Dating appeared first on Inner Confidence.

durée : 00:54:27 - Nicolas Gardel & Baptiste Herbin - par : Alex Dutilh - Le projet “Symmetric” est le fruit de la rencontre entre le saxophoniste Baptiste Herbin et le trompettiste Nicolas Gardel. Ils mettent en symétrie leurs univers, celui du jazz de Baptiste Herbin et de la musique actuelle de Nicolas Gardel. Parution chez Matrisse Productions/L'Autre Distribution.

Konstantin de K. nous présente leur nouvel EP All the Hearts Symmetric Rendez-vous sur sa page : https://www.radiolocalitiz.fr/k-all-the-hearts-symmetric/ https://open.spotify.com/album/44FHCDuP1noYMko9TZmbaT?si=IO54t5EmSTmTfVFYTjGQ5A  

Whether you're studying for the CEH, CISSP, Pentest+, or even the Security+, there's always one question about cryptography, and it's easy to miss! Want to hear a cool trick to keep symmetric and asymmetric cryptography straight in your head? Keatron Evans has one, and he told it to me — stay tuned and listen closely because it's a Cyber Work Hacks!0:00 - Cryptography exam tips0:23 - Certifications with cryptography questions1:15 - Symmetric versus asymmetric cryptography3:40 - Learn more about cryptography4:50 - Find and learn from Keatron EvansAbout InfosecInfosec believes knowledge is power when fighting cybercrime. We help IT and security professionals advance their careers with skills development and certifications while empowering all employees with security awareness and privacy training to stay cyber-safe at work and home. It's our mission to equip all organizations and individuals with the know-how and confidence to outsmart cybercrime. Learn more at infosecinstitute.com.

Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2023.01.05.522909v1?rss=1 Authors: Farzmahdi, A., Zarco, W., Freiwald, W., Kriegeskorte, N., Golan, T. Abstract: Primates can recognize objects despite 3D geometric variations such as in-depth rotations. The computational mechanisms that give rise to such invariances are yet to be fully understood. A curious case of partial invariance occurs in the macaque face-patch AL and in fully connected layers of deep convolutional networks in which neurons respond similarly to mirror-symmetric views (e.g., left and right profiles). Why does this tuning develop? Here, we propose a simple learning-driven explanation for mirror-symmetric viewpoint tuning. We show that mirror-symmetric viewpoint tuning for faces emerges in the fully connected layers of convolutional deep neural networks trained on object recognition tasks, even when the training dataset does not include faces. First, using 3D objects rendered from multiple views as test stimuli, we demonstrate that mirror-symmetric viewpoint tuning in convolutional neural network models is not unique to faces: it emerges for multiple object categories with bilateral symmetry. Second, we show why this invariance emerges in the models. Learning to discriminate among bilaterally symmetric object categories induces reflection-equivariant intermediate representations. AL-like mirror-symmetric tuning is achieved when such equivariant responses are spatially pooled by downstream units with sufficiently large receptive fields. These results explain how mirror-symmetric viewpoint tuning can emerge in neural networks, providing a theory of how they might emerge in the primate brain. Our theory predicts that mirror-symmetric viewpoint tuning can emerge as a consequence of exposure to bilaterally symmetric objects beyond the category of faces, and that it can generalize beyond previously experienced object categories. Copy rights belong to original authors. Visit the link for more info Podcast created by Paper Player, LLC

The structure at the centre of the giant radio galaxy GRS J0844+4627: a compact symmetric object? by A. Marecki et al. on Thursday 24 November We observed the core region of the giant radio galaxy GRS J0844+4627 with e-MERLIN at 1.52 and 5.07 GHz. These observations revealed that the apparent single feature at the centre of GRS J0844+4627, as seen by GMRT, consists of two components separated by 2.7 kpc in projection. Follow-up observations at 1.66 GHz using the EVN unveiled the complex morphologies of the two components. In particular, the south-western component identified with the SDSS J084408.85+462744.2 galaxy morphologically resembles a compact symmetric object (CSO) with a projected linear size of 115 pc. If the CSO hypothesis turns out to be correct, then the overall radio structure of GRS J0844+4627 is triple-double. Given that CSOs are considered young objects, GRS J0844+4627 would appear as a recently restarted active galaxy. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2209.01428v2

The structure at the centre of the giant radio galaxy GRS J0844+4627: a compact symmetric object? by A. Marecki et al. on Wednesday 23 November We observed the core region of the giant radio galaxy GRS J0844+4627 with e-MERLIN at 1.52 and 5.07 GHz. These observations revealed that the apparent single feature at the centre of GRS J0844+4627, as seen by GMRT, consists of two components separated by 2.7 kpc in projection. Follow-up observations at 1.66 GHz using the EVN unveiled the complex morphologies of the two components. In particular, the south-western component identified with the SDSS J084408.85+462744.2 galaxy morphologically resembles a compact symmetric object (CSO) with a projected linear size of 115 pc. If the CSO hypothesis turns out to be correct, then the overall radio structure of GRS J0844+4627 is triple-double. Given that CSOs are considered young objects, GRS J0844+4627 would appear as a recently restarted active galaxy. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2209.01428v2

The structure at the centre of the giant radio galaxy GRS J0844+4627: a compact symmetric object? by A. Marecki et al. on Wednesday 23 November We observed the core region of the giant radio galaxy GRS J0844+4627 with e-MERLIN at 1.52 and 5.07 GHz. These observations revealed that the apparent single feature at the centre of GRS J0844+4627, as seen by GMRT, consists of two components separated by 2.7 kpc in projection. Follow-up observations at 1.66 GHz using the EVN unveiled the complex morphologies of the two components. In particular, the south-western component identified with the SDSS J084408.85+462744.2 galaxy morphologically resembles a compact symmetric object (CSO) with a projected linear size of 115 pc. If the CSO hypothesis turns out to be correct, then the overall radio structure of GRS J0844+4627 is triple-double. Given that CSOs are considered young objects, GRS J0844+4627 would appear as a recently restarted active galaxy. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2209.01428v2

The "Quantum Minute" is brought to you by ARQIT, providers of transformational quantum encryption technology to keep safe the data of our governments, enterprises and citizens. Arqit supplies a unique quantum encryption Platform-as-a-Service which makes the communications links of any networked device secure against current and future forms of attack – even from a quantum computer. To learn more, visit https://arqit.uk.

In a recently exposed error, key material for a popular automobile manufacturer's PKI has been discovered on GitHub, resulting in exposure of sensitive information. In this episode we explain the dual errors that led to this breach.

Evolution of collisional neutrino flavor instabilities in spherically symmetric supernova models by Zewei Xiong et al. on Monday 17 October We implement a multi-group and discrete-ordinate neutrino transport model in spherical symmetry which allows to simulate collective neutrino oscillations by including realistic collisional rates in a self-consistent way. We utilize this innovative model, based on strategic parameter rescaling, to study a recently proposed collisional flavor instability caused by the asymmetry of emission and absorption rates between $nu_e$ and $barnu_e$ for four different static backgrounds taken from different stages in a core-collapse supernova simulation. Our results confirm that collisional instabilities generally exist around the neutrinosphere during the SN accretion and post-accretion phase, as suggested by [arXiv:2104.11369]. However, the growth and transport of flavor instabilities can only be fully captured by models with global simulations as done in this work. With minimal ingredient to trigger collisional instabilities, we find that the flavor oscillations and transport mainly affect (anti)neutrinos of heavy lepton flavors around their decoupling sphere, which then leave imprints on their energy spectra in the free-streaming regime. For electron (anti)neutrinos, their properties remain nearly intact. We also explore various effects due to the decoherence from neutrino-nucleon scattering, artificially enhanced decoherence from emission and absorption, neutrino vacuum mixing, and inhomogeneous matter profile, and discuss the implication of our work. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2210.08254v1

A Force Explosion Condition for Spherically Symmetric Core-collapse Supernovae by Mariam Gogilashvili et al. on Wednesday 21 September Understanding which stars explode leaving behind neutron stars and which stars collapse forming black holes remains a fundamental astrophysical problem. We derive an analytic explosion condition for spherically symmetric core-collapse supernovae. The derivation starts with the exact governing equations, considers the balance of integral forces, includes the important dimensionless parameters, and includes an explicit set of self-consistent approximations. The force explosion condition is $tilde{L}_nutau_g - 0.06 tilde{kappa} > 0.38$, and only depends upon two dimensionless parameters. The first compares the neutrino power deposited in the gain region with the accretion power, $tilde{L}_nu tau_g = L_{nu} tau_g R_{rm NS}/ ( G dot{M} M_{rm NS})$. The second, $tilde{kappa} = kappa dot{M} / sqrt{G M_{rm NS} R_{rm NS}}$, parameterizes the neutrino optical depth in the accreted matter near the neutron-star surface. Over the years, many have proposed approximate explosion conditions: the critical neutrino-luminosity, ante-sonic, and timescale conditions. We are able to derive these other conditions from the force explosion condition, which unifies them all. Using numerical, steady-state and fully hydrodynamic solutions, we test the explosion condition. The success of these tests is promising in two ways. One, the force explosion condition helps to illuminate the underlying physics of explosions. Two, this condition may be a useful explosion diagnostic for more realistic, three-dimensional radiation hydrodynamic core-collapse simulations. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2110.10173v2

A Force Explosion Condition for Spherically Symmetric Core-collapse Supernovae by Mariam Gogilashvili et al. on Wednesday 21 September Understanding which stars explode leaving behind neutron stars and which stars collapse forming black holes remains a fundamental astrophysical problem. We derive an analytic explosion condition for spherically symmetric core-collapse supernovae. The derivation starts with the exact governing equations, considers the balance of integral forces, includes the important dimensionless parameters, and includes an explicit set of self-consistent approximations. The force explosion condition is $tilde{L}_nutau_g - 0.06 tilde{kappa} > 0.38$, and only depends upon two dimensionless parameters. The first compares the neutrino power deposited in the gain region with the accretion power, $tilde{L}_nu tau_g = L_{nu} tau_g R_{rm NS}/ ( G dot{M} M_{rm NS})$. The second, $tilde{kappa} = kappa dot{M} / sqrt{G M_{rm NS} R_{rm NS}}$, parameterizes the neutrino optical depth in the accreted matter near the neutron-star surface. Over the years, many have proposed approximate explosion conditions: the critical neutrino-luminosity, ante-sonic, and timescale conditions. We are able to derive these other conditions from the force explosion condition, which unifies them all. Using numerical, steady-state and fully hydrodynamic solutions, we test the explosion condition. The success of these tests is promising in two ways. One, the force explosion condition helps to illuminate the underlying physics of explosions. Two, this condition may be a useful explosion diagnostic for more realistic, three-dimensional radiation hydrodynamic core-collapse simulations. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2110.10173v2

The "Quantum Minute" is brought to you by ARQIT, providers of transformational quantum encryption technology to keep safe the data of our governments, enterprises and citizens. Arqit supplies a unique quantum encryption Platform-as-a-Service which makes the communications links of any networked device secure against current and future forms of attack – even from a quantum computer. To learn more, visit https://arqit.uk.

Cryptography is the practice of encrypting all data and information for safe communication by converting plain text to cipher text. There are three types of cryptography in general: Symmetric key cryptography Asymmetric key cryptography Hash function ✅Our Official Website - https://www.infosectrain.com/ ✅For more details or free demo with out expert write into us at sales@infosectrain.com or call us at IND: 1800-843-7890 / US: +1 657-722-11127 / UK : +44 7451 208413 Subscribe to our channel to get video updates. Hit the subscribe button above. Facebook: https://www.facebook.com/Infosectrain/ Twitter: https://twitter.com/Infosec_Train LinkedIn: https://www.linkedin.com/company/infosec-train/ Instagram: https://www.instagram.com/infosectrain/ Telegram: https://t.me/infosectrains

Welcome to the second episode of Carry the Two! We’re the show for people who enjoy discovering hidden elements that impact our lives in the most unexpected ways. In this episode, Ian and Sadie talk about how honeybees decide on new hive locations when they outgrow their current home. With the help of mathematician Dario Bauso, they learn how researchers use mean field games to model such decision-making and how it applies to other cases as well. Find our transcript here: LINK Curious to learn more? Check out these additional links: https://www.imsi.institute/videos/mean-field-game-for-collective-decision-making-in-honeybees-via-switched-systems/ (Dario’s talk at IMSI) https://ieeexplore.ieee.org/document/9529000 L. Stella, D. Bauso, P. Colaneri, "Mean-Field Games for Collective Decision-Making in Honeybees via Switched Systems", IEEE Transactions on Automatic Control, online doi: 10.1109/TAC.2021.3110166 https://www.sciencedirect.com/science/article/abs/pii/S0005109818305375 L. Stella and D. Bauso, “Bio-inspired evolutionary dynamics on complex networks under uncertain cross-inhibitory signals", Automatica vol. 100, 2019, pp. 61--66 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0073216 D. Pais et al., "A mechanism for value-sensitive decision-making", PLoS ONE, vol. 8, no. 9, Sep. 2013 10.1109/LCSYS.2018.2838445 L. Stella and D. Bauso, “Bio-Inspired Evolutionary Game Dynamics in Symmetric and Asymmetric Models", IEEE Control Systems Letters, 2.3 2018 pp. 405--410 Follow more of IMSI’s work: www.IMSI.institute, (twitter) @IMSI_institute, (instagram) IMSI.institute Follow Dario Bauso: @g_t_engineering This episode was audio engineered by Tyler Damme. Music by Blue Dot Sessions. Special thanks to Dario Bauso, the Institute for Mathematical and Statistical Innovation, the University of Chicago, and the National Science Foundation. The Institute for Mathematical and Statistical Innovation (IMSI) is funded by NSF grant DMS-1929348.

How can we encrypt data in BC?  Can we do better?

Welcome to The Nonlinear Library, where we use Text-to-Speech software to convert the best writing from the Rationalist and EA communities into audio. This is: Just another day in utopia, published by Stuart_Armstrong on the AI Alignment Forum. (Reposted from discussion at commentator suggestion) Thinking of Eliezer's fun theory and the challenge of creating actual utopias where people would like to live, I tried to write a light utopia for my friends around Christmas, and thought it might be worth sharing. It's a techno-utopia, but (considering my audience) it's only a short inferential distance from normality. Just another day in Utopia Ishtar went to sleep in the arms of her lover Ted, and awoke locked in a safe, in a cargo hold of a triplane spiralling towards a collision with the reconstructed temple of Solomon. Again! Sometimes she wished that a whole week would go by without something like that happening. But then, she had chosen a high excitement existence (not maximal excitement, of course – that was for complete masochists), so she couldn't complain. She closed her eyes for a moment and let the thrill and the adrenaline warp her limbs and mind, until she felt transformed, yet again, into a demi-goddess of adventure. Drugs couldn't have that effect on her, she knew; only real danger and challenge could do that. Right. First, the safe. She gave the inner door a firm thud, felt it ring like a bell, heard the echo return – and felt the tumblers move. So, sound controlled lock, then. A search through her shoes produced a small pebble which sparked as she dashed it against the metal. Trying to ignore the ominous vibration as the triplane motor shook itself to pieces, she constructed a mental image of the safe's inside from the brief flashes of light. Symmetric gold and gilded extravagances festooned her small prison – French Baroque decorations, but not yet Roccoco. So Louis XIV period. She gave the less visited parts of her mind a good dusting, trying to remember the tunes of Jean Batiste Lully, the period's most influential composer. She hoped it wasn't any of his ballets; she was much better with his operas. The decorations looked vaguely snake-like; so she guessed Lully's ‘Persée' opera, about the death of the medusa. The engine creaked to a worrying silence as she was half-way through humming the Gorgon theme from the opera. Rushing the rest of the composition, she felt the door shift, finally, to a ten-times speeded up version of Andromeda's response to Perseus's proposal. She kicked the door open, exploded from the safe, took in the view of the temple of Solomon rushing up towards her, seconds away, grabbed a picture from the floor, grabbed an axe from the wall, hacked off one of the wings with three violent cuts, and jumped out of the plane after it. Behind her, the plane disintegrated in midair as the temple lasers cut it to shreds and she fell through space, buffeted by the wind, not losing her grip on to the mangled wing. She had maybe thirty seconds to tie herself to the wing, using the object's own canvas as binding, and she rushed through that. The Machines wouldn't allow the fall to kill her, of course, but it would hurt quite a bit (another of her choices – she'd allowed herself to feel moderate amounts of pain), put back her attempts to ever find Ted, and, most importantly of all, be crushingly embarrassing socially. Once she was lashed to the plummeting piece of wood and canvas, and she was reasonably confident that the fall was slow enough, and her knots secure enough, she finally looked at the photograph she had grabbed during her explosive exit from the plane. It showed Ted, trussed up in chains but smiling and evidently enjoying the novel experience. Underneath was finely engraved note saying “If you ever want to see your lover again, bring me the missing Stradivarius by noon tomorrow. Nero the 2nd”. Each capital letter was beautifully decorated with heads on spikes. So! It seemed that her magnific...

Encryption is a way of scrambling data so that only authorised parties can understand the information that is being shared. In encryption, human-readable plain text is converted into incomprehensible text, also called cipher text.  Encryption requires the use of a cryptographic key, a set of mathematical values that both the sender and the recipient of an encrypted message agree on. To decrypt this data, the sender and the receiver of the message have a key. Only this key can be used to decrypt the data. That ensures the data remains secure.  But encryption is of two types. Symmetric and asymmetric.  This could pose some problems, as it could involve the sender transferring the key to the recipient and potentially exposing the key to nefarious actors.  To counter this threat, we have end-to-end (E2E) or asymmetric encryption.  What this means is that on WhatsApp, only the sender and the receiver can read their chat exchange.  Not even WhatsApp can check the messages being exchanged between the two parties. It is this security feature that WhatsApp fears India's new IT Rules may potentially undermine. WhatsApp says if it is required to identify the first originator of any piece of information, that would require it to store a digital signature for every message that is passed through its servers.  Watch video

Mid Era: sets by Curved Light (USA) including his new release & Thomas Ronkin (USA) from live performances at the Cyberstock outdoor concert series Mix Set: different synth styles of IDM, Chill, Trance, including the new release by Steve Moore & Bluetech (USA)     TIME....ARTIST...........................TRACK............................RELEASE    00:00  [Intro-Curved Light set]    00:39 Curved Light                 direction of the wind      A Users Guide...      05:25 Curved Light                 within abstraction           A Users Guide...    08:20 Curved Light                 achives of forgotten...     A Users Guide...    12:24 Curved Light                 rendered textures           A Users Guide...    16:48 Curved Light                 disappearing through...  A Users Guide...    20:02 Curved Light                 revenant                           Spirit Echo    23:15 Curved Light                 identity constructs          Fragment Reality    27:06 [break-Thomas Ronkin live]                                    28:54 Thomas Ronkin             sic tranist gloria              Symmetric    41:27 Thomas Ronkin             deis irae                           Symmetric    54:57 Thomas Ronkin             de profundis                    Symmetric    59:58 Thomas Ronkin             et in secula seculorum   Symmetric 1:09:25 [break-Mix Set]              1:10:50 Anodyne                        all that you leave...          IV 1:15:26 S. Moore+Bluetech     entertain light (rmx)        Liminal Migration 1:21:25 Cosmic Replicant         lunatic runner                  Processes 1:28:31 Irritant                           two trees        1:36:34 Cialyn                            the man from taured       The Descent Unseen 1:40:48 X-Dream                       intercorporal stimulator  The Best 1991-2001 1:46:21 Morphology                 multiplex                            Horta Proxima 1:51:44 Tripswitch                    spiral                                   Cosmic Chill Yellow 1:59:16 [Outro]   Keywords: International electronic music internet electronic artists unsigned electronic artists Ambient Tribal Trance PsyTance Ethno/PsyTrance IDM Dub Step Mid Era Berlin School

Ein neues Format... Das kann ja nur schief gehen! Aber hört selbst!

Join our network at www.Bulletproof.Dental to stay in the know on all things Bulletproof! Bulletproof Dental Practice Podcast Episode 215 Hosts: Dr. Peter Boulden & Dr. Craig Spodak Key Takeaways:Intro Advantages Of Being An Entrepreneur Symmetric Vs. Asymmetric Risk Creating Wealth References: Bulletproof Dental Practice Network Tweetable: Keep your money in specification. Make your money in diversification. Dr. Peter Boulden

Join the editors as they begin an exploration of the political spectrum, the way citizens align themselves with political parties, and the nature of the two party system. Is a single-axis political spectrum the best way to conceptualize American politics? What are the effects of more disciplined political parties? How can we best understand what voters want if our major political parties are not delivering? Next week we'll be diving into a deeper exploration of the two party system, so make sure to stay tuned! -- https://www.spectacles.news/birds-eye-political-spectrum-political-alignment/ (To comment on this episode or sign up for our newsletter, click here.)https://spectacles-insight.captivate.fm/listen (To listen to written articles from Spectacles read aloud, click here.)Further Readinghttps://www.spectacles.news/birds-eye-small-gov-models/ (Bird's Eye – Small Government and Liberal Democracy.) https://www.spectacles.news/birds-eye-big-gov-models/ (Bird's Eye – Big Government and Liberal Democracy.) https://www.politicalcompass.org/test (Political Compass Test). “http://www.jakebowers.org/PAPERS/polacrossgen3a.pdf (Politics Across Generations: Family Transmission Re-Examined),” by M. Kent Jennings, Laura Stoker, and Jake Bower, presented at the 1999 American Political Science Association Annual Meeting. “https://www.nytimes.com/interactive/2021/09/08/opinion/republicans-democrats-parties.html?searchResultPosition=1 (Quiz: If America Had Six Parties, Which Would You Belong To)?” by Lee Drutman in the New York Times. “https://journals.sagepub.com/doi/abs/10.1177/1532673X20961022?journalCode=aprb (The Nature of Partisan Conflict in Public Opinion: Asymmetric or Symmetric)?” by Maria Narayani Lasala Blanco, Robert Y. Shapiro, and Joy Wilke. Table of Contents00:00 - Intro & Housekeeping 00:32 - What would you expect? 01:43 - Today's topic 02:37 - What is the political spectrum? 04:36 - What are the problems with it? 08:28 - The impact of party sorting and what that means 13:58 - Inadequacy of the spectrum; is a compass better? 18:43 - Movement of the Republican party post-90s 21:21 - Inadequacy of the political compass 23:12 - Asymmetric polarization, complexities 25:16 - Inadequacy of a two-party system 30:35 - Closing notes; the argument for two-party 32:41 - Next week's topic 33:25 - Signing off

Tracklist: 1.deadmau5, Lights - When The Summer Dies (Alternative Mix) 2.Eagle Vision - Nexus (Original Mix) [Exclusive Premier] 3.Above & Beyond vs Cosmic Gate feat Emma Hewitt - Red Rocks vs Tonight (Armin van Buuren Mashup) 4.Aylo Vizo - Eccentric (Original Mix) [Exclusive Premier] 5.Adam Sein - Lazy Summer (Neava Remix) [Exclusive Premier] 6.Zyfaii - Drift (Airdeep Remix) [Exclusive Premier] 7.Tom Bro - Peaceful (Lepo Remix) [Exclusive Premier] 8.PoLYED feat. Sorry Ellison - Slow Down (Rafal Sentiel Remix) [Exclusive Premier] 9.AFTERUS - At Midnight (Original Mix) [Exclusive Premier] 10.Armin van Buuren feat Sam Martin - Miles Away (Avian Grays vs Graham Bell Remix) (Armin van Buuren Mashup) 11.Blasterjaxx vs Exis - Alice's Story vs The Count (Armin van Buuren Mashup) 12.Armin van Buuren & Jamis vs Armin van Buuren & Brennan Heart feat Andreas Moe - Boom Boom vs All On Me (Armin van Buuren Mashup) 13.Nicky Romero & MARF ft. Wulf - Okay (Extended Mix) 14.D-Mad & Arty vs Above & Beyond feat Richard Bedford - She Gave Me The Sun & Moon (Lavisse Den Bosch Bootleg) 15.Armin van Buuren & Rank 1 - The Greater Light To Rule The Night (Original Mix) 16.Abide - Magnex (Allan McGrey Remix) [Exclusive Premier] 17.XjO - Gemini (Original Mix) [Exclusive Premier] 18.Armin van Buuren & Jorn van Deynhoven - Lost In Space (Extended Mix) 19.Shana Vanguarde - Mamma Mia (Electro Club Mix) 20.The Chemical Brothers - Do It Again (Chris Schweizer Bootleg) 21.Mark Sherry & Scot Project vs Faithless & Andrew Rayel - Sangre Caliente (Andrew Rayel Mashup) 22.Marcelo Fratini vs DJ Wag x Indecent Noise vs John O'Callaghan & Cold Blue vs Armin van Buuren Ft. Susana - T.O.T. vs Man On the Moon vs Symmetric vs Shivers (Armin van Buuren Mashup) 23.Ben Gold vs Andrew Rayel & Robbie Seed ft. That Girl - The City Sleeps Tonight vs Stars Collide (Daniel Le Martinez Mashup) 24.Alexander Popov & Kitone vs Armin van Buuren feat. Jake Reese - Control Me vs Need You Now (Armin van Buuren Mashup) 25.Aly & Fila vs Alex M.O.R.P.H. - It's All About The Melody vs Running for Peace (Armin van Buuren Mashup) 26.Alex M.O.R.P.H. feat. Sylvia Tosun - An Angel´s Love (Vocal Mix) 27.John Askew - Battery Acid (John Askew's Dark Room Mix) 28.Seven Lions feat. Paul Meany- Higher Love (Seven Lions & Jason Ross 1999 Remix) 29.Maarten de Jong vs Corti Organ vs Armin van Buuren - Flash vs The Joker vs Blah Blah Blah (Armin van Buuren Mashup)

Welcome to Code Completion! We are a group of iOS developers and educators hoping to share what we love most about development, Apple technology, and completing your code! Today, we discuss: • Code Completion Club: https://codecompletion.io/jointheclub • Indie App Spotlight, with three apps for you to check out: • Charty by Rodrigo Araujo: https://apps.apple.com/us/app/charty-for-shortcuts/id1494386093?ls=1 • Cone by Kushagra Agarwal: https://apps.apple.com/us/app/cone-live-color-picker/id1221305627?mt=8 • MinBrowser by Ben Standaert: https://minbrowser.org • WWDC Software and Hardware Predictions, • App Clips one year later, • In-App Purchases and External Payments, • How Can The App Store Be a Better Place for Us As Developers? • The Future of Objective-C Follow us @CodeCompletion (https://twitter.com/CodeCompletion) on Twitter to hear about our upcoming livestreams, videos, and other content. Also, join us for #CompleteTheCode and Compiler Error, two segments that test both your knowledge and our knowledge on Swift, Apple, and all things development! Your hosts for this week: * Spencer Curtis (https://twitter.com/Spencerccurtis) * Dimitri Bouniol (https://twitter.com/dimitribouniol) * Fernando Olivares (https://twitter.com/fromjrtosr) * Johnny Hicks (https://twitter.com/johnnydhicks) Be sure to also sign up to our monthly newsletter (https://codecompletion.io/), where we will recap the topics we discussed, reveal the answers to #CompleteTheCode, and share even more things we learned in between episodes. You are what makes this show possible, so please be sure to share this with your friends and family who are also interested in any part of the app development process. Sponsor This week's episode of Code Completion is brought to you by Not Phở. Search for Not Phở (https://apps.apple.com/app/apple-store/id1525104124?pt=14724&ct=CodeCompletion1&mt=8) on the iOS and macOS App Stores today to give it a try. Complete the Code Be sure to tweet us (https://twitter.com/intent/tweet?text=%23CompleteTheCode%20cc%2F%20%40CodeCompletion&original_referer=https%3A%2F%2Fcodecompletion.io) with hashtag #CompleteTheCode (https://twitter.com/hashtag/CompleteTheCode) if you know the answer! Compiler Error 1 - AES, or the American Encryption Standard, is a suite of symmetric block cyphers that was selected as a part of an open process hosted by NIST and the US government from 1997 to 2000 to replace DES. 2 - A one time pad is an early but very robust encryption technique, which can be uncrackable so long as the key on the pad is never re-used, is truly random, is longer than the plaintext, and is kept completely secret. 3 - Symmetric key algorithms use the same cryptographic keys for both encryption and decryption, while asymmetric key algorithms make use of a public key and a private key to encrypt and decrypt information. 4 - Unlike RSA which relies on large prime number factorization, Elliptic-curve cryptography makes use of a given elliptic curve’s geometric and algebraic properties, ultimately providing the same level of security as RSA with smaller keys.

hello every one my name is vijay kumar deviredy and i am glad to have you on my episode 03 today we are going to disscuss about how to protect your information in the internet world  with the help of cryptography before going into deep let see where it is started with little drama. In 1586, Mary, Queen of Scots,was convicted of treason against Queen Elizabeth.She was found guilty of plotting to overthrow the English monarch,and not long afterwards she was  beheaded.Did you know that the evidence that convicted her was obtained by the English spymaster's ability to break Mary's secret correspondence with her supporters? What can we learn from this drama? Well, that you better know how to protect your secrets. When we started discussing information security, we learned that there are two types of parties involved. The defenders and the adversaries.we call it as attackers The defenders have a variety of goals that they need to achieve,and the adversaries try to disrupt their efforts. In this episode we will focus on the confidentiality defensive goal,and on attacks against it. The techniques used to achieve both defensive and offensive goals belong to the body of knowledge called cryptography.The word "cryptography" comes from ancient Greek, and translates to "secret writing". Cryptography also includes solutions to more advanced goals, like digital signatures and key exchange, which we will discuss in a later episodes which will be a continuation of this .The starting point of the confidentiality goal is that our defender, who we shall call lara , has some secret information.But just having a secret  is not very interesting right.lara needs to send this information,as a secret message, to rakesh,who is also on  the defenders' side.The idea of a secret message implicitly introduces the adversary,who we shall call vijay.vijay can eavesdrop on the communications between lara and rakesh. So, lara needs a wayto send a secret message to rakesh,in a way that rakesh will understand,but vijay will not, despite the fact that vijay can hear,or read, the communicated message.In the 1587 drama,Mary played the role of lara,her supporters were rakesh,and Queen Elizabeth's spymaster played vijay, To achieve their joint goal,lara and rakesh need to agree upon a special communication mechanism that is resistant to eavesdropping. The mechanism lara usesto construct the secret message is called encryption.rakesh uses the inverse mechanism, decryption. Together, the encryption and decryption mechanisms form a cryptographic primitive called a cipher.More specifically, a symmetric cipher.A cryptographic primitiveis a cryptographic capability, or mechanism,that can be used by itself, and can also be used as a building block in a larger context.Symmetric ciphers are the firstcryptographic primitive we will learn about. We will meet more primitives later in the continuation episodes. until then take rest and beaware about what we had discussed in episode and thankyou...

คุยกันเรื่องการเข้ารหัสข้อมูล และลงลึกนิดหน่อยในส่วนของ Symmetric Encryption

The COVID-19 crisis thrust hospital supply chain issues into the national spotlight as we heard about shortages of personal protective equipment almost daily during the early days of the crisis. But the issues that lead to these shortages are only a few of the many challenges that hospital supply chain managers face every day. For this week’s episode, co-host, Rob Havasy is joined by Rich Kucera, Principal of Symmetric Health Solutions and the winner of the 2019 SCAN Health Design Competition to discuss their innovative solution to the supply chain problem. For more information about the SCAN Health Design Challenge, click here. Learn more about how Accelerate Health is redefining health at HIMSS here.

The COVID-19 crisis thrust hospital supply chain issues into the national spotlight as we heard about shortages of personal protective equipment almost daily during the early days of the crisis. But the issues that lead to these shortages are only a few of the many challenges that hospital supply chain managers face every day. For this week’s episode, co-host, Rob Havasy is joined by Rich Kucera, CEO and Co-founder of Symmetric Health Solutions and the winner of the 2019 SCAN Health Design Competition to discuss their innovative solution to the supply chain problem. For more information about the SCAN Health Design Challenge, click here. Learn more about how Accelerate Health is redefining health at HIMSS here.

Welcome to the History of Computing Podcast, where we explore the history of information technology. Because understanding the past prepares us for the innovations of the future! Todays episode is scraping the surface of cryptography. Cryptography is derived from the Greek words kryptos, which stands for hidden and grafein, which stands for to write. Through history, cryptography has meant the process of concealing the contents of a message from all except those who know the key. Dating back to 1900 BC in Egypt and Julius Caesar using substitution cyphers, encryption used similar techniques for thousands of years, until a little before World War II. Vigenere designed the first known cipher thatused an encryption key in the 16th century. Since then with most encryption, you convert the contents, known as plaintext, into encrypted information that's otherwise unintelligible, known as cipher text. The cypher is a pair of algorithms - one to encrypt, the other to decrypt. Those processes are done by use of a key. Encryption has been used throughout the ages to hide messages. Thomas Jefferson built a wheel cypher. The order of the disks you put in the wheel was the key and you would provide a message, line the wheels up and it would convert the message into cypher text. You would tell the key to the person on the other end, they would put in the cypher text and out would pop the message. That was 1795 era encryption and is synonymous with what we call symmetrical key cryptography, which was independently invented by Etienne Bazeries and used well into the 1900s by the US Army. The Hebern rotor machine in the 19th century gave us an electro-mechanical version of the wheel cypher and then everything changed in encryption with the introduction of the Enigma Machine, which used different rotors placed into a machine and turned at different speeds based on the settings of those rotors. The innovations that came out of breaking that code and hiding the messages being sent by the Allies kickstarted the modern age of encryption. Most cryptographic techniques rely heavily on the exchange of cryptographic keys. Symmetric-key cryptography refers to encryption methods where both senders and receivers of data share the same key and data is encrypted and decrypted with algorithms based on those keys. The modern study of symmetric-key ciphers revolves around block ciphers and stream ciphers and how these ciphers are applied. Block ciphers take a block of plaintext and a key, then output a block of ciphertext of the same size. DES and AES are block ciphers. AES, also called Rijndael, is a designated cryptographic standard by the US government. AES usually uses a key size of 128, 192 or 256 bits. DES is no longer an approved method of encryption triple-DES, its variant, remains popular. Triple-DES uses three 56-bit DES keys and is used across a wide range of applications from ATM encryption to e-mail privacy and secure remote access. Many other block ciphers have been designed and released, with considerable variation in quality. Stream ciphers create an arbitrarily long stream of key material, which is combined with a plaintext bit by bit or character by character, somewhat like the one-time pad encryption technique. In a stream cipher, the output stream is based on an internal state, which changes as the cipher operates. That state's change is controlled by the key, and, in some stream ciphers, by the plaintext stream as well. RC4 is an example of a well-known stream cipher. Cryptographic hash functions do not use keys but take data and output a short, fixed length hash in a one-way function. For good hashing algorithms, collisions (two plaintexts which produce the same hash) are extremely difficult to find, although they do happen. Symmetric-key cryptosystems typically use the same key for encryption and decryption. A disadvantage of symmetric ciphers is that a complicated key management system is necessary to use them securely. Each distinct pair of communicating parties must share a different key. The number of keys required increases with the number of network members. This requires very complex key management schemes in large networks. It is also difficult to establish a secret key exchange between two communicating parties when a secure channel doesn't already exist between them. You can think of modern cryptography in computers as beginning with DES, or the Data Encryption Standard, us a 56-bit symmetric-key algorithm developed by IBM and published in 1975, with some tweaks here and there from the US National Security Agency. In 1977, Whitfield Diffie and Martin Hellman claimed they could build a machine for $20 million dollars that could find a DES key in one day. As computers get faster, the price goes down as does the time to crack the key. Diffie and Hellman are considered the inventors of public-key cryptography, or asymmetric key cryptography, which they proposed in 1976. With public key encryption, two different but mathematically related keys are used: a public key and a private key. A public key system is constructed so that calculation of the private key is computationally infeasible from knowledge of the public key, even though they are necessarily related. Instead, both keys are generated secretly, as an interrelated pair. In public-key cryptosystems, the public key may be freely distributed, while its paired private key must remain secret. The public key is typically used for encryption, while the private or secret key is used for decryption. Diffie and Hellman showed that public-key cryptography was possible by presenting the Diffie-Hellman key exchange protocol. The next year, Ron Rivest, Adi Shamir and Leonard Adleman developed the RSA encryption algorithm at MIT and founded RSA Data Security a few years later in 1982. Later, it became publicly known that asymmetric cryptography had been invented by James H. Ellis at GCHQ, a British intelligence organization and that both the Diffie-Hellman and RSA algorithms had been previously developed in 1970 and were initially called “non-secret encryption.” Apparently Ellis got the idea reading a bell labs paper about encrypting voice communication from World War II. Just to connect some dots here, Alan Turing, who broke the Enigma encryption, visited the proposed author of that paper, Shannon, in 1943. This shouldn't take anything away from Shannon, who was a brilliant mathematical genius in his own right, and got to see Gödel, Einstein, and others at Princeton. Random note: he invented wearables to help people cheat at roulette. Computer nerds have been trying leverage their mad skills to cheat at gambling for a long time. By the way, he also tried to cheat at, er, I mean, program chess very early on, noting that 10 to the 120th power was the game-tree complexity of chess and wrote a paper on it. Of course someone who does those things as a hobby would be widely recognized as the father of informational theory. RSA grew throughout the 80s and 90s and in 1995, they spun off a company called VeriSign, who handled patent agreements for the RSA technology until the patents wore out, er, I mean expired. RSA Security was acquired by EMC Corporation in 2006 for $2.1 billion and was a division of EMC until EMC was acquired by Dell in 2016. They also served as a CA - that business unit was sold in 2010 to Symantec for $1.28B. RSA has made a number of acquisitions and spun other businesses off over the years, helping them get into more biometric encryption options and other businesses. Over time the 56 bit key size of DES was too small and it was followed up by Triple-DES in 1998. And Advanced Encryption Standard, or AES, also in 1998. Diffie-Hellman and RSA, in addition to being the first public examples of high quality public-key cryptosystems have been amongst the most widely used. In addition to encryption, public-key cryptography can be used to implement digital signature schemes. A digital signature is somewhat like an ordinary signature; they have the characteristic that they are easy for a user to produce, but difficult for anyone else to forge. Digital signatures can also be permanently tied to the content of the message being signed as they cannot be moved from one document to another as any attempt will be detectable. In digital signature schemes, there are two algorithms: one for signing, in which a secret key is used to process the message (or a hash of the message or both), and one for verification, in which the matching public key is used with the message to check the validity of the signature. RSA and DSA are two of the most popular digital signature schemes. Digital signatures are central to the operation of public key infrastructures and to many network security schemes (SSL/TLS, many VPNs, etc). Digital signatures provide users with the ability to verify the integrity of the message, thus allowing for non-repudiation of the communication. Public-key algorithms are most often based on the computational complexity of hard problems, often from number theory. The hardness of RSA is related to the integer factorization problem, while Diffie-Hellman and DSA are related to the discrete logarithm problem. More recently, elliptic curve cryptography has developed in which security is based on number theoretic problems involving elliptic curves. Because of the complexity of the underlying problems, most public-key algorithms involve operations such as modular multiplication and exponentiation, which are much more computationally expensive than the techniques used in most block ciphers, especially with typical key sizes. As a result, public-key cryptosystems are commonly hybrid systems, in which a fast symmetric-key encryption algorithm is used for the message itself, while the relevant symmetric key is sent with the message, but encrypted using a public-key algorithm. Hybrid signature schemes are often used, in which a cryptographic hash function is computed, and only the resulting hash is digitally signed. OpenSSL is a software library that most applications use to access the various encryption mechanisms supported by the operating systems. OpenSSL supports Diffie-Hellman and various versions of RSA, MD5, AES, Base, sha, DES, cast and rc. OpenSSL allows you to create ciphers, decrypt information and set the various parameters required to encrypt and decrypt data. There are so many of these algorithms because people break them and then a new person has to come along and invent one and then version it, then add more bits to it, etc. At this point, I personally assume that all encryption systems can be broken. This might mean that the system is broken while encrypting, or the algorithm itself is broken once encrypted. A great example would be an accidental programming mistake allowing a password to be put into the password hint rather than in the password. Most flaws aren't as simple as that. Although Kerckhoffs's principle teaches us that the secrecy of your message should depend on the secrecy of the key, and not on the secrecy of the system used to encrypt the message. Some flaws are with the algorithms themselves, though. At this point most of those are public and security without a password or private key they just take too long to decrypt to be worth anything once decrypted. This doesn't mean we don't encrypt things, it just means that in addition to encryption we now add another factor to that security. But we'll leave the history of two-factor security to another episode. Finally, RSA made a lot of money because they used ciphers that were publicly reviewed and established as a standard. Public review of various technological innovations allows for commentary and making it better. Today, you can trust most encryption systems because due to that process, it costs more to decrypt what you're sending over the wire than what is being sent is worth. In other words, collaboration trumps secrecy.

An interview with John D. England, MD, about the practice parameters about distal symmetrical polyneuropathy. Interviewed by Elliot L. Dimberg, MD, and Robert M. Pascuzzi, MD.