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Tag: PEM

  • 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.