Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts of models in prod eagerly sought.
Joe Kirwin joekir
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| a4b.amazonaws.com | |
| access-analyzer.amazonaws.com | |
| account.amazonaws.com | |
| acm-pca.amazonaws.com | |
| acm.amazonaws.com | |
| airflow-env.amazonaws.com | |
| airflow.amazonaws.com | |
| alexa-appkit.amazon.com | |
| alexa-connectedhome.amazon.com | |
| amazonmq.amazonaws.com |
husobee
/ client_tls_info.go
Last active
December 14, 2020 17:52
discovery of tls in go, and the handshake process
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| package main | |
| import ( | |
| "crypto/tls" | |
| "encoding/json" | |
| "fmt" | |
| "log" | |
| "net" | |
| "net/http" | |
| ) |
chris-rock
/ crypto-gcm.js
Last active
February 21, 2023 10:31
Use GCM for authenticated encryption in nodejs
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| // Nodejs encryption with GCM | |
| // Does not work with nodejs v0.10.31 | |
| // Part of https://github.com/chris-rock/node-crypto-examples | |
| var crypto = require('crypto'), | |
| algorithm = 'aes-256-gcm', | |
| password = '3zTvzr3p67VC61jmV54rIYu1545x4TlY', | |
| // do not use a global iv for production, | |
| // generate a new one for each encryption | |
| iv = '60iP0h6vJoEa' |
Tydus
/ howto-standalone-toolchain.md
Last active
May 4, 2023 13:43
How to install Standalone toolchain for Android
NDK (Native Develop Toolkit) is a toolchain from Android official, originally for users who writes native C/C++ code as JNI library. It's not designed for compiling standalone programs (./a.out) and not compatible with automake/cmake etc.
"Standalone" refers to two meanings:
- The program is standalone (has nothing connect to NDK, and don't need helper scripts to run it)
- The toolchain is made for building standalone programs and libs, and which can used by automake etc.
By default, NDK uses android flavor directory structure when it's finding headers and libs, which is different from GNU flavor, so the compiler cannot find them. For Example:
karlgluck
/ Hash Ladders for Shorter Lamport Signatures.md
Last active
March 31, 2024 17:53
I describe a method for making Lamport signatures take up less space. I haven't seen anyone use hash chains this way before, so I think it's pretty cool.
Digital cryptography! This is a subject I've been interested in since taking a class with Prof. Fred Schneider back in college. Articles pop up on Hacker News fairly often that pique my interest and this technique is the result of one of them.
Specifically, this is about Lamport signatures. There are many signature algorithms (ECDSA and RSA are the most commonly used) but Lamport signatures are unique because they are formed using a hash function. Many cryptographers believe that this makes them resistant to attacks made possible by quantum computers.
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| <!-- Add to the <head> section --> | |
| <style type="text/css"> | |
| .git-ribbon { | |
| background-color: #a00; | |
| overflow: hidden; | |
| /* top left corner */ | |
| position: absolute; | |
| left: -3em; | |
| top: 2.5em; | |
| /* 45 deg ccw rotation */ |