MIME Object Security Services
Steven Crocker, Ned Freed, James M. Galvin, Sean Patrick Murphy · 1995
This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards " (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This document defines MIME Object Security Services (MOSS), a protocol that uses the multipart/signed and multipart/encrypted framework [7] to apply digital signature and encryption services to MIME objects. The services are offered through the use of end-to-end cryptography between an originator and a recipient at the application layer. Asymmetric (public key) cryptography is used in support of the digital signature service and encryption key management. Symmetric (secret key) cryptography is used in support of the encryption service. The procedures are intended to be compatible