ProvenPin Install

argon2id password hashing and verification: working versions (tested 2026-10-15)

Hash and verify passwords with the argon2 native bindings using argon2id, custom time/memory costs, and needsRehash detection when options change.

passed1 passed · 0 failed2026-10-15 15:56 UTC
Status
passed
Last passed
2026-10-15 15:56 UTC
Tests
1 / 1
Language
TypeScript
Runtime
node v22.23.3
pinned versions3
argon2@0.45.1@types/node@26.6.5tsx@4.23.15
run it
npm install --no-audit --no-fund --ignore-scripts=false
npm test
test environment
node v22.23.3
linux 6.17.0-1022-azure
x64
runner: github-actions 38764699834

The code

Exactly the files that passed. Your agent can pull them with get_recipe("argon2-password-hashing") (install), or see them on GitHub.

package.json
{
  "name": "argon2-password-hashing",
  "private": true,
  "type": "module",
  "scripts": {
    "test": "node --import tsx --test test/*.test.ts"
  },
  "dependencies": {
    "argon2": "0.45.1"
  },
  "devDependencies": {
    "@types/node": "26.6.5",
    "tsx": "4.23.15"
  }
}
src/passwords.ts
import argon2 from "argon2";

export const opts: argon2.Options = {
  type: argon2.argon2id,
  timeCost: 2,
  memoryCost: 19456,
  parallelism: 1,
};

export async function hashPassword(plain: string) {
  return argon2.hash(plain, opts);
}

export async function verifyPassword(hash: string, plain: string) {
  return argon2.verify(hash, plain);
}

export function needsRehash(hash: string) {
  return argon2.needsRehash(hash, opts);
}
test/passwords.test.ts
import { test } from "node:test";
import assert from "node:assert/strict";
import { hashPassword, needsRehash, verifyPassword } from "../src/passwords.ts";

test("hash and verify roundtrip", async () => {
  const hash = await hashPassword("correct horse battery");
  assert.equal(await verifyPassword(hash, "correct horse battery"), true);
  assert.equal(await verifyPassword(hash, "wrong"), false);
  assert.equal(needsRehash(hash), false);
});

Connect to ProvenPin

Add the free MCP server so your agent can pull this recipe and others like it. Same setup as the docs.

terminal
claude mcp add --transport http provenpin https://mcp.provenpin.com/mcp

Any other MCP client: Streamable HTTP at https://mcp.provenpin.com/mcp. No API key, no signup.