cryptographically secure password generator

Ms. Alejandra "I will rewrite it in Rust" answered on August 3, 2022 Popularity 8/10 Helpfulness 5/10

answer cryptographically secure password generator

cryptographically secure password generator

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let time = new Date().getTime();

const seed = cyrb128("omaewamoshindeiru");
const rand = sfc32(time * seed[0], time * seed[1], time * seed[2] ^ 33, seed[3]);

export const newPassword = (): string => {
	return Array(64).fill("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz%!~_([])-+=*^$#@><.?").map(function(x) { return x[Math.floor(rand() * x.length)] }).join('');
}

function cyrb128(str: string) {
    let h1 = 1779033703, h2 = 3144134277,
        h3 = 1013904242, h4 = 2773480762;
    for (let i = 0, k; i < str.length; i++) {
        k = str.charCodeAt(i);
        h1 = h2 ^ Math.imul(h1 ^ k, 597399067);
        h2 = h3 ^ Math.imul(h2 ^ k, 2869860233);
        h3 = h4 ^ Math.imul(h3 ^ k, 951274213);
        h4 = h1 ^ Math.imul(h4 ^ k, 2716044179);
    }
    h1 = Math.imul(h3 ^ (h1 >>> 18), 597399067);
    h2 = Math.imul(h4 ^ (h2 >>> 22), 2869860233);
    h3 = Math.imul(h1 ^ (h3 >>> 17), 951274213);
    h4 = Math.imul(h2 ^ (h4 >>> 19), 2716044179);
    return [(h1^h2^h3^h4)>>>0, (h2^h1)>>>0, (h3^h1)>>>0, (h4^h1)>>>0];
}

function sfc32(a: number, b: number, c: number, d: number): () => number {
    return function(): number {
      a >>>= 0; b >>>= 0; c >>>= 0; d >>>= 0; 
      var t = (a + b) | 0;
      a = b ^ b >>> 9;
      b = c + (c << 3) | 0;
      c = (c << 21 | c >>> 11);
      d = d + 1 | 0;
      t = t + d | 0;
      c = c + t | 0;
      return (t >>> 0) / 4294967296;
    }
}

// Sources:

// For the (insecure) password generator: mwag
// https://stackoverflow.com/a/43020177/19363772

// For the secure random number generator functions: bryc
// https://stackoverflow.com/a/47593316/19363772

// For putting it all together and minor improvements: me (Alex)

Popularity 8/10 Helpfulness 5/10 Language typescript

Source: stackoverflow.com

Tags: password-generator typescript

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Contributed on Aug 03 2022

Ms. Alejandra "I will rewrite it in Rust"

0 Answers Avg Quality 2/10

cryptographically secure password generator

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