Encryption schemes with almost free integrity awareness

Details Encryption schemes with almost free integrity awareness Encryption schemes with almost free integrity awareness

2006-08-15

2006-08-15

Jung, David (Department: 2134)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S170000, C713S180000

Reexamination Certificate

active

07093126

ABSTRACT:
An encryption/decryption method and system. The method comprises the steps of encrypting a plaintext message by dividing the plaintext message into a multitude of plaintext blocks and encrypting the plaintext blocks to form a multitude of cyphertext blocks. A single pass technique is used in the method to embed a message integrity check in the cyphertext blocks. The method further comprises the steps of decrypting the cyphertext blocks to re-form the plaintext blocks, and testing the message integrity check in the cyphertext blocks to test the integrity of the re-formed plaintext blocks.

REFERENCES:
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Computing with very weak random sources; Srinivasan, A.; Zuckerman, D.; Foundations of Computer Science, 1994 Proceedings., 35th Annual Symposium on Nov. 20-22, 1994 pp. 264-275.
Randomness-Efficient Sampler for Matrix-valued Functions and Applications; Wigderson, A.; Xiao, D., Foundations of Computer Science, 2005. FOCS 2005. 46th Annual IEEE Symposium on Oct. 23-25, 2005 pp. 397-406.
Randomness extractors and their many guises; Vadhan, S.P.; Foundations of Computer Science, 2002. Proceedings. The 43rd Annual IEEE Symposium on Nov. 16-19, 2002 p. 9.

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