One aspect relates to a process and associated device that provides a private key of an asymmetric key pair in a key device. A symmetric master key is derived from the private key of the asymmetric key pair. The symmetric master key is stored in a computer memory location. The symmetric master key is...http://www.google.fr/patents/US7382883?utm_source=gb-gplus-shareBrevet US7382883 - Deriving a symmetric key from an asymmetric key for file encryption or decryption
Deriving a symmetric key from an asymmetric key for file encryption or ...
