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kdf.js
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kdf.js
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const { pbkdf2 } = require("ethereum-cryptography/pbkdf2");
const { scrypt } = require("ethereum-cryptography/scrypt");
const { getRandomBytes } = require("ethereum-cryptography/random");
const { utf8ToBytes } = require("ethereum-cryptography/utils");
const { bytesToHex } = require("ethereum-cryptography/utils");
let pass = utf8ToBytes("P@ssw0rd!");
let salt = utf8ToBytes("S@lt");
let keylen = 32;
let digest = "sha256";
/**
*
* @param {*} _pass(Bytes) - A passphrse, string of characters to be hashed
* @param {*} _salt(Bytes) - A salt, string of random characters that
* modifies the hash to protect against Rainbow table attacks
* @param {*} _iterations
* @param {*} _keylen(Number) - Desired key length in bytes
* @param {*} _digest
*/
async function getPbkdf2(_pass, _salt, _iterations, _keylen, _digest) {
console.log("Key derived from PBKDF2 =>:", bytesToHex( await pbkdf2(_pass, _salt, _iterations, _keylen, _digest)));
}
getPbkdf2(pass, salt, 1024, keylen, digest);
/**
*
* @param {*} _pass(Bytes) - A passphrse, string of characters to be hashed
* @param {*} _salt(Bytes) - A salt, string of random characters that
* modifies the hash to protect against Rainbow table attacks
* @param {*} _costfactor(Number) - CPU/memory cost parameter – Must be a power of 2 (e.g. 1024)
* @param {*} _parallelizationfactor(NUmber) - Parallelization parameter
* @param {*} _blocksizefactor(Number) - blocksize parameter, which fine-tunes sequential
* memory read size and performance. (8 is commonly used)
* @param {*} _keylen(Number) - Desired key length in bytes
*/
async function getScrypt(_pass, _salt, _costfactor, _parallelizationfactor, _blocksizefactor, _keylen) {
console.log("Key derived from Scrypt =>:", bytesToHex( await scrypt(_pass, _salt, _costfactor, _parallelizationfactor, _blocksizefactor, _keylen)));
}
getScrypt(pass, salt, 1024, 1, 8, keylen);
/**
*
* @param {*} _keylen(Number) - Desired key length in bytes
*/
async function getCSPRN(_keylen) {
console.log("Key derived from CSPRN =>:", bytesToHex( await getRandomBytes(_keylen)));
console.log(getRandomBytes(48));
}
getCSPRN(keylen);