Partial encryption and full authentication of message blocks

Details Partial encryption and full authentication of message blocks Partial encryption and full authentication of message blocks

2002-08-23

2008-08-19

Zand, Kambiz (Department: 2134)

Cryptography

Communication system using cryptography

Time segment interchange

Reexamination Certificate

active

07415109

ABSTRACT:
Methods and apparatus are presented for encrypting and authenticating data, wherein some data is encrypted and some data is not encrypted, but all of the data is authenticated. Masking modules (410) are used in a partial-block encryption mode to indicate which bits of a data block are to be encrypted.

REFERENCES:
patent: 5319712 (1994-06-01), Finkelstein et al.

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