A cryptosystem is described which automatically provides an extra "message recovery" recipient(s) when an encrypted message is generated in the system. The system is typically configured such that the extra recipient or "message recovery agent" (MRA)--an entity which itself has a public key (i.e., a...http://www.google.fr/patents/US6314190?utm_source=gb-gplus-shareBrevet US6314190 - Cryptographic system with methods for user-controlled message recovery
Cryptographic system with methods for user-controlled message recovery
