发明名称 |
Cryptographic device and associated methods |
摘要 |
A cryptographic device includes an input stage receiving an input data block and a key data block made up of a plurality of sub-key data blocks, and generating a plurality of first signals therefrom. An intermediate stage is connected to the input stage and includes a plurality of substitution units. Each substitution unit substitutes data within a respective first signal. A diffuser is connected to the plurality of substitution units for mixing data to generate a diffused signal. An output stage is connected to the intermediate stage for repetitively looping back the diffused signal to the input stage for combination with a next sub-key data block. The output stage provides an output signal for the cryptographic device after the repetitively looping back is complete.
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申请公布号 |
US2005180565(A1) |
申请公布日期 |
2005.08.18 |
申请号 |
US20040780848D |
申请日期 |
2004.02.18 |
申请人 |
HARRIS CORPORATION |
发明人 |
KURDZIEL MICHAEL T.;DENNIS GARY R. |
分类号 |
H04K1/00;H04L9/06;(IPC1-7):H04K1/00 |
主分类号 |
H04K1/00 |
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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