clementauger
/ index.js
Created
October 5, 2020 17:26
double ratchet javascript experimentation, adapted from https://github.com/HR/ciphora
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const crypto = require('crypto'), | |
| hkdf = require('futoin-hkdf'), | |
| // TODO: Replace with crypto.diffieHellman once nodejs#26626 lands on v12 LTS | |
| { box } = require('tweetnacl'), | |
| boxutil = require('tweetnacl-util'), | |
| { chunk, hexToUint8 } = require('./utils'), | |
| CIPHER = 'aes-256-cbc', | |
| RATCHET_KEYS_LEN = 64, | |
| RATCHET_KEYS_HASH = 'SHA-256', |