Categories
Security & Privacy

EMail Protocols

Privacy Enhanced Mail (PEM): Uses Data Encryption Standard (DES) in the Cipher Block Chaining (CBC) Mode.

Secure Multipurpose Internet Mail Extension (S/MIME): Uses the user’s encryption algorithm with RC2, DES, and 3DES for confidentiality.

Pretty Good Privacy (PGP): Uses the International Data Encryption Algorithm (IDEA) for encryption of bulk data.