发明授权
US06859818B2 Method and apparatus for permuting input data and recording medium having stored thereon a program for executing permutation
有权
用于置换输入数据的方法和装置以及其上存储有用于执行置换的程序的记录介质
- 专利标题: Method and apparatus for permuting input data and recording medium having stored thereon a program for executing permutation
- 专利标题(中): 用于置换输入数据的方法和装置以及其上存储有用于执行置换的程序的记录介质
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申请号: US10419244申请日: 2003-04-21
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公开(公告)号: US06859818B2公开(公告)日: 2005-02-22
- 发明人: Kazumaro Aoki , Hiroki Ueda , Masayuki Kanda
- 申请人: Kazumaro Aoki , Hiroki Ueda , Masayuki Kanda
- 申请人地址: JP Tokyo
- 专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Connolly Bove Lodge & Hutz LLP
- 优先权: JP1110788 19990119; JP1115525 19990125; JP1116238 19990125; JP1117255 19990317
- 主分类号: G06F7/72
- IPC分类号: G06F7/72 ; H04L9/06 ; G06F7/32
摘要:
Permuted data (u1′, u2′, . . . , um′) of input data (u1, u2, . . . , un) expressed by the relationship [ u 1 ′ u 2 ′ ⋮ u m ′ ] = P [ u 1 u 2 ⋮ u n ] , are obtained by expressing the permuted data uj′ by uj′=ui′+Di, where j≠i and calculate uj′ for all of j.
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