发明名称 |
processo de geração de uma sequência de dados pseudo-aleatória a partir de um fluxo de dados inicial, gerador de uma sequência de dados pseudo-aleatória a partir de um fluxo de dados inicial, dispositivo de codificação/decodificação e sistema seguro |
摘要 |
The invention concerns a device and a method for generating a pseudorandom data sequence (1) from an initial dataflow (3) characterized in that it includes the following steps: defining a set of code words forming a complete prefix code (5); defining a set of output words (7); defining a desynchronizing function (f) associating with any code word of said complete prefix code (5) an output word of said set of output words (7); breaking down the initial data flow (3) into a coded sequence of words (11) in conformity with said complete prefix code (5); associating the words of said coded sequence of words (11) with the corresponding output words in conformity with said desynchronizing function (f) to form said pseudorandom data sequence (1). |
申请公布号 |
BRPI0610323(A2) |
申请公布日期 |
2016.11.29 |
申请号 |
BR2006PI10323 |
申请日期 |
2006.05.23 |
申请人 |
FRANCE TELECOM |
发明人 |
ALINE GOUGET;CÔME BERBAIN;HERVÉ SIBERT |
分类号 |
H04L9/22 |
主分类号 |
H04L9/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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