argon2.lib.ts

argon2.lib.ts

import { argon2id, argon2Verify } from "https://cdn.skypack.dev/hash-wasm@v4.9.0";

/**
 * deno 1.13.1 (release, x86_64-unknown-linux-gnu)
 * v8 9.3.345.11
 * typescript 4.3.5
 */

export type HashOptions = {
  salt?: String | Uint8Array;
  parallelism?: number;
  iterations?: number;
  memorySize?: number;
  hashLength?: number;
  outputType?: "encoded";
};

export async function hash(plain: string, options?: HashOptions) {
  if (typeof options?.salt === "string") {
    const enc = new TextEncoder();
    options.salt = enc.encode(options.salt);
  }

  return await argon2id({
    password: plain,
    salt: options?.salt || window.crypto.getRandomValues(new Uint8Array(16)),
    parallelism: options?.parallelism || 1,
    iterations: options?.iterations || 256,
    memorySize: options?.memorySize || 512,
    hashLength: options?.hashLength || 32,
    outputType: options?.outputType || "encoded",
  });
}

export async function verify(hash: string, plain: string) {
  try {
    return await argon2Verify({ hash, password: plain });
  } catch (error) {
    return false;
  }
}