Ripem Mac

RIPEM Mac 0.8b2 Announcement Raymond Lau June 23, 1993 This prerelease version of RIPEM Mac is available for public beta testing. RIPEM Mac is a public key based cryptosystem aimed at providing privacy and authentication capabilities for email users. RIPEM Mac offers encryption (for privacy) and authentication (or digital signatures for origin verification) using a hybrid RSA/DES approach as specified by the Internet Privacy Enhanced Mail (PEM) standard. Also supported is an extended triple DES encryption mode for extra security. RIPEM Mac is compatible with the emerging Internet PEM standard, including support for public key certificates providing interoperability with various PEM implementations such as TIS/PEM and COST PEM available for many platforms.