PATTERN-FREE ENCRYPTION

A method is described for defining a reserved pattern of symbols, receiving in a crypto-module an input stream including sequential input symbols, applying a cipher to the input stream in the crypto-module so as to generate an intermediate stream including sequential output symbols corresponding res...

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Bibliographic Details
Main Authors BELENKY, YAACOV, SHEN-ORR, CHAIM
Format Patent
LanguageEnglish
French
German
Published 09.05.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A method is described for defining a reserved pattern of symbols, receiving in a crypto-module an input stream including sequential input symbols, applying a cipher to the input stream in the crypto-module so as to generate an intermediate stream including sequential output symbols corresponding respectively to the input symbols, and converting the intermediate stream to an output stream from the crypto-module by comparing successive groups of the input symbols and the corresponding output symbols to the reserved pattern and, upon finding a match to the reserved pattern in a given group, substituting the input symbols in the group into the intermediate stream in place of the corresponding output symbols. Related hardware and systems are also described.
Bibliography:Application Number: EP20090801791