Self authentication ciphertext chaining

Details Self authentication ciphertext chaining Self authentication ciphertext chaining

2000-06-07

2008-11-11

Kincaid, Kristine (Department: 2139)

Cryptography

Communication system using cryptography

Time segment interchange

C380S042000, C380S255000, C713S150000

Reexamination Certificate

active

07450717

ABSTRACT:
Existing key encryption approaches are extended by using overlapping portions of encrypted information. Another provision inserts one or more bits of data to ensure correct encryption/decryption. The inserted data can also be used for authentication.

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Feistel, Horst, et al., “Some Cryptographic Techniques for Machine-to-Machine Data Communications,” Proceedings of the IEEE, vol. 63, No. 11, Nov. 1975, pp. 1545-1554.
Ehrsam, W. F., et al., “Fractional Block-Size Cipher,” IBM Technical Disclosure Bulletin, Vo. 22, No. 1, Jun. 1979, pp. 60-642.

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