Secure encryption processor with tamper protection

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique

Reexamination Certificate

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Details

C713S194000, C380S044000

Reexamination Certificate

active

06993654

ABSTRACT:
An encryption processor for encrypting and decrypting data that ensures data security by preventing illegal deciphering or leakage of the data. The encryption processor includes a CPU for running a program, a ROM for storing the program run by the CPU, a RAM used as a work area while the CPU is running the program, an I/O section for sending/receiving data to/from an external device, and an encryption section for decrypting encrypted data and encrypting plain text data.

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Search Report for corresponding French Application (0016904000) dated Aug. 27, 2004.

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