Internet Privacy Enhanced Mail

@article{Kent1993InternetPE,
  title={Internet Privacy Enhanced Mail},
  author={Stephen T. Kent},
  journal={Commun. ACM},
  year={1993},
  volume={36},
  pages={48-60}
}
  • S. Kent
  • Published 1 August 1993
  • Computer Science
  • Commun. ACM
Privacy Enhanced Mail (PEM) consists of extensions to existing message processing software plus a key management infrastructure. These combine to provide users with a facility in which message confidentiality, authenticity, and integrity can be effected. PEM is compatible with RFC 822 message processing conventions and is transparent to SMTP mail relays. PEM uses symmetric cryptography — for example, the Data Encryption Standard (DES) — to provide (optional) encryption of messages. Although the… 
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