Method and apparatus for high bandwidth encryption/decryption using a low bandwidth cryprographic module

摘要

A cryptographic system (20,30,42) enables a secure, but low-bandwidth, cryptographic module, such as a smartcard (20) or PCMCIA device, to serve as a high-bandwidth secret-key encryption decryption engine which uses the processing power of an untrusted, but fast, host processor (42) without revealing the secret key to that host processor.