System and method for generation of one-time encryption keys for

Details System and method for generation of one-time encryption keys for System and method for generation of one-time encryption keys for

1996-06-11

1998-06-09

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 28, 380 45, H04K 100

Patent

active

057647666

ABSTRACT:
A system and method and computer program product for encrypting data communications comprising the generation of a salt at a data transmitting system and combination of the salt with a primary encryption key known at the data transmitting system and a data receiving system. The salt and the primary encryption key are hashed to produce a transmitting encryption key and a data message is encrypted with an encryption function utilizing the transmitting encryption key to produce a ciphertext message. The salt and the ciphertext message are transmitted to the data receiving system where the salt and the primary encryption key are hashed to produce a receiving decryption key and the data message is retrieved by performing a symmetrical decryption function on the ciphertext message and the receiving decryption key.

REFERENCES:
patent: 4200770 (1980-04-01), Hellman et al.
patent: 4218582 (1980-08-01), Hellman et al.
patent: 4965804 (1990-10-01), Trbovich et al.
patent: 5048087 (1991-09-01), Trbovich et al.
patent: 5555309 (1996-09-01), Kruys

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