Cryptography – Particular algorithmic function encoding
Reexamination Certificate
2011-08-16
2011-08-16
Shiferaw, Eleni A (Department: 2437)
Cryptography
Particular algorithmic function encoding
C380S037000
Reexamination Certificate
active
08000467
ABSTRACT:
A method and device for encrypting and/or decrypting binary data blocks protecting both confidentiality and integrity of data sent to or received from a memory. The encryption method comprises steps of: applying to the input data block a reversible scrambling process, the scrambling process providing a scrambled data block in which the bits of the input data block are mixed so that a modification of one bit in the scrambled data block impacts on every bit of the input data block, and applying to the scrambled data block a stream cipher encryption algorithm providing an encrypted data block. Application can be made to secured integrated circuits requiring to securely store data in an external memory.
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Bertoni Guido
Daemen Joan
Elbaz Reouven
Boller Timothy L.
Ecole Nationale Superieure des Mines de Saint-Etienne
Jorgenson Lisa K.
Porton World International N.V.
Seed IP Law Group PLLC
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