How to fix Error: Unknown algorithm 'sha-999' (invalid hash algorithm) in Node.js

const crypto = require('crypto');
console.log(crypto.getHashes());

[
  'RSA-MD5', 'RSA-SHA1', 'RSA-SHA256', 'blake2b512',
  'md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512',
  'sha3-224', 'sha3-256', 'sha3-384', 'sha3-512', ...
]

// Wrong - incorrect casing
const hash = crypto.createHash('SHA256');

// Correct - lowercase
const hash = crypto.createHash('sha256');

// Wrong - non-existent algorithm
const hash = crypto.createHash('sha-999');

// Correct - use sha256 or sha512
const hash = crypto.createHash('sha512');

// Wrong - hyphen instead of no separator
const hash = crypto.createHash('sha-256');

// Correct - no hyphen for SHA-2 family
const hash = crypto.createHash('sha256');

const crypto = require('crypto');

// SHA-256 (recommended for most use cases)
const hash = crypto.createHash('sha256')
  .update('data to hash')
  .digest('hex');

// SHA-512 (for higher security requirements)
const hash = crypto.createHash('sha512')
  .update('data to hash')
  .digest('hex');

const hmac = crypto.createHmac('sha256', 'secret-key')
  .update('message')
  .digest('hex');

node --version

# Using nvm (recommended)
nvm install --lts
nvm use --lts

# Or download from nodejs.org
# https://nodejs.org/

const crypto = require('crypto');

function createHashSafely(algorithm, data) {
  const availableHashes = crypto.getHashes();

  if (!availableHashes.includes(algorithm)) {
    console.warn(`Algorithm ${algorithm} not available, falling back to sha256`);
    algorithm = 'sha256';
  }

  return crypto.createHash(algorithm)
    .update(data)
    .digest('hex');
}

// Usage
const hash = createHashSafely('sha3-256', 'my data');