This paper describes a simple protocol, the Remotely … high-bandwidth secret-key encryption and decryption engine for an … of each cryptographic operation without ever learning the … There is no storage overhead. Computational overhead is … [of the plaintext] as well as a conventional cipher function on the host … [p. 34] Without online access to the smartcard, … the host cannot encrypt or decrypt other blocks, … [The processor's session key for a block depends on the plaintext's hash value and the card's secret key.]
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