security

3 articles · All tags

• Hash Functions
  Deterministic functions that map arbitrary data to fixed-size digests, used for integrity checking, password storage, and digital signatures.
• Public-Key Cryptography
  Cryptography with paired public and private keys, enabling encryption and digital signatures without shared secrets.
• HTTP and HTTPS
  The request–response protocol that powers the World Wide Web, and its encrypted variant secured by TLS.