Function md5

packages/pg/lib/crypto/utils.js:35–48

(string)

}

async function md5(string) {
  try {
    return nodeCrypto.createHash('md5').update(string, 'utf-8').digest('hex')
  } catch (e) {
    // `createHash()` failed so we are probably not in Node.js, use the WebCrypto API instead.
    // Note that the MD5 algorithm on WebCrypto is not available in Node.js.
    // This is why we cannot just use WebCrypto in all environments.
    const data = typeof string === 'string' ? textEncoder.encode(string) : string
    const hash = await subtleCrypto.digest('MD5', data)
    return Array.from(new Uint8Array(hash))
      .map((b) => b.toString(16).padStart(2, '0'))
      .join('')
  }
}

// See AuthenticationMD5Password at https://www.postgresql.org/docs/current/static/protocol-flow.html
async function postgresMd5PasswordHash(user, password, salt) {