| # Generate ed25519 privkey | |
| openssl genpkey -algorithm ed25519 -out privkey.pem | |
| # export its pubkey | |
| openssl pkey -in privkey.pem -pubout -out pubkey.pem | |
| # Generate RSA privkey | |
| openssl genrsa -des3 -out private.pem 2048 | |
| # export its pubkey | |
| openssl rsa -in private.pem -outform PEM -pubout -out public.pem |
Sinks are for output, sources are for input. To stream source to sink a loopback must be created. More shall you find there.
Our output sink will be named recording.
pacmd load-module module-null-sink sink_name=recording sink_properties=device.description=recording
Download and Install Emscripten
/home/usergit clone https://github.com/emscripten-core/emsdk.gitcd emsdk./emsdk install latest./emsdk activate latestsource ./emsdk_env.shecho 'source "/home/user/emsdk/emsdk_env.sh"' >> $HOME/.bash_profile
If you're OK in having a node-esm executable, please consider this solution.
#!/usr/bin/env sh
# the /usr/local/bin/node-esm executable
input_file=$1
shift
exec node --input-type=module - $@ <$input_file
This is a response to https://gist.github.com/joepie91/bca2fda868c1e8b2c2caf76af7dfcad3?permalink_comment_id=4767875#gistcomment-4767875
if you are so sure about using 'import' from common js then send some code samples - maybe it will help someone else.
Sure @cybafelo, i can give you 3 example (from easy to more adv)
i'm going to create a basic hello world example that uses express (cjs) and node-fetch (esm-only)
here is what my package.json looks like:
2022-03-18
@voluntas
2022.1
| var str = '0x41FC6733'; | |
| function parseFloat(str) { | |
| var float = 0, sign, order, mantiss,exp, | |
| int = 0, multi = 1; | |
| if (/^0x/.exec(str)) { | |
| int = parseInt(str,16); | |
| }else{ | |
| for (var i = str.length -1; i >=0; i -= 1) { | |
| if (str.charCodeAt(i)>255) { |
There are a lot of strategies that you will hear about in the Javascript community for keeping your conditionals from becoming a tangled mess. This isn't like them. This is someting different. MATH! Boolean Algebra to be exact. I use it all the time to simplify complex conditionals. There are two things that you need to know: de Morgan's Theorem, and Karnaugh (pronounced CAR-no) Maps. (Don't worry, there is no test)
De Morgan's Theorem is great distributing nots (!), and for when you want to convert an && to an ||, or back. This is it:
!(A && B) = !A || !B
| <!-- MIT License --> | |
| <html> | |
| <head> | |
| <script> | |
| function generateKey(alg, scope) { | |
| return new Promise(function(resolve) { | |
| var genkey = crypto.subtle.generateKey(alg, true, scope) | |
| genkey.then(function (pair) { | |
| resolve(pair) | |
| }) |
Originally posted at https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/august/javascript-cryptography-considered-harmful/
We mean attempts to implement security features in browsers using cryptographic algoritms implemented in whole or in part in Javascript.
You may now be asking yourself, "What about Node.js? What about non-browser Javascript?". Non-browser Javascript cryptography is perilous, but not doomed. For the rest of this document, we're referring to browser Javascript when we discuss Javascript cryptography.
