15. Cryptographic Services

The modules described in this chapter implement various algorithms of a cryptographic nature. They are available at the discretion of the installation. On Unix systems, the crypt module may also be available. Here’s an overview:

• 15.1. hashlib — Secure hashes and message digests
  • 15.1.1. Hash algorithms
  • 15.1.2. Key derivation
• 15.2. hmac — Keyed-Hashing for Message Authentication