Processing method and apparatus for converting information from a first format into a second format

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United States of America Patent

PATENT NO 6845159
SERIAL NO

09415846

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Abstract

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A data processing method and apparatus are proposed for used in the encryption, decryption and authentication of messages. A memory for storing input information, a set of operations and a processor for executing the operations on the stored input information are provided. The input information is utilized to select the order and number of operations performed. The operations are devised such that any possible input string will be interpreted as a valid program and the memory is extensible. Furthermore, data is output as a function of the input information. As a result the state of the memory generated during execution is indeterminate prior to execution and the process evolves differently for each possible input string. Accordingly, the process performed by the module cannot be described by an algorithm. The method and apparatus according to the invention have a number of different applications particularly in the field of cryptography including a random number generator, a one way hash function generator or as a key generator for a cipher primitive in encryption and decryption.

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Patent Owner(s)

Patent OwnerAddress
PROTEGO INFORMATION ABSE-223 70 LUND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Domstedt, Bo Malmo, SE 3 60
Stenfeldt, Mats Lund, SE 3 60

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