Method and apparatus for performing accelerated...

Details Method and apparatus for performing accelerated... Method and apparatus for performing accelerated...

2006-07-25

2006-07-25

Barron, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Packet header designating cryptographically protected data

C713S168000, C380S037000

Reexamination Certificate

active

07082534

ABSTRACT:
Methods and apparatus are provided for performing authentication and decryption operations. A record including multiple encrypted blocks is received. An encrypted block in the record is extracted and decrypted first in order to obtain context information for performing authentication operations. Each remaining block is then decrypted and authenticated by using the available context information. Authentication operations can be performed without having to wait for the decryption of all of the blocks in the record.

REFERENCES:
patent: 2002/0083317 (2002-06-01), Ohta et al.
patent: 2002/0191450 (2002-12-01), North et al.
Bruce Schneier,Applied Cryptography—Protocols, Algorithms, and Source Code in C, Chapter 3, “Basic Protocols”, pp. 47-74.

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