Event verification system

Details Event verification system Event verification system

1996-08-26

1998-08-25

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 23, H04L 900

Patent

active

057990832

ABSTRACT:
An event verification system comprises an input for the reception of information and an encryption algorithm to encrypt the information; an electronic recorder to record the encrypted information and a decryption algorithm to decrypt recorded information; at least one programmable memory to store at least one cryptographic key for use with the encryption and decryption algorithms; a tamperproof enclosure to protect the input and at least one programmable memory from access or alteration; and, a trusted agent to generate at least one cryptographic key to be used in conjunction with the encryption and decryption algorithms, the trusted agent programming any generated cryptographic key into at least one programmable memory for use with the encryption and decryption algorithms and, upon request, verifying the authenticity of the recorded information by decrypting the recorded information using at least one cryptographic key.

REFERENCES:
patent: 4882779 (1989-11-01), Rahtgen
patent: 5517567 (1996-05-01), Epstein

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