Stream ciphering of the content of a memory external to a...

Details Stream ciphering of the content of a memory external to a... Stream ciphering of the content of a memory external to a...

2005-07-06

2011-10-25

Pich, Ponnoreay (Department: 2435)

Cryptography

Communication system using cryptography

Symmetric key cryptography

C713S150000, C713S189000

Reexamination Certificate

active

08045712

ABSTRACT:
A method and an element of ciphering by an integrated processor of data to be stored in a memory, including applying a ciphering algorithm which is a function of a key specific to the integrated circuit and of an initialization vector, and of memorizing at least the ciphered data, the initialization vector depending at least on the address of storage of the data in the memory.

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French Search Report from French Patent Application No. 04/51459, filed Jul. 6, 2004.

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