CN100359494C - 电子文件字符内码变换加密方法 - Google Patents
电子文件字符内码变换加密方法 Download PDFInfo
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- CN100359494C CN100359494C CNB031250580A CN03125058A CN100359494C CN 100359494 C CN100359494 C CN 100359494C CN B031250580 A CNB031250580 A CN B031250580A CN 03125058 A CN03125058 A CN 03125058A CN 100359494 C CN100359494 C CN 100359494C
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- 238000000034 method Methods 0.000 title claims abstract description 25
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- 239000000654 additive Substances 0.000 claims description 15
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB031250580A CN100359494C (zh) | 2003-05-04 | 2003-05-04 | 电子文件字符内码变换加密方法 |
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CNB031250580A CN100359494C (zh) | 2003-05-04 | 2003-05-04 | 电子文件字符内码变换加密方法 |
Publications (2)
Publication Number | Publication Date |
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CN1542628A CN1542628A (zh) | 2004-11-03 |
CN100359494C true CN100359494C (zh) | 2008-01-02 |
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CNB031250580A Expired - Fee Related CN100359494C (zh) | 2003-05-04 | 2003-05-04 | 电子文件字符内码变换加密方法 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100462677C (zh) * | 2005-07-08 | 2009-02-18 | 鸿富锦精密工业(深圳)有限公司 | 三坐标测量机床误差补偿系统及方法 |
CN100561546C (zh) * | 2008-01-28 | 2009-11-18 | 和舰科技(苏州)有限公司 | 循环扩散偏移转码加密方法 |
CN101887713B (zh) * | 2009-05-13 | 2012-01-25 | 深圳市文鼎创数据科技有限公司 | 字库的加密方法及装置 |
CN102073831A (zh) * | 2011-02-23 | 2011-05-25 | 上海帝埃碧化学科技有限公司 | 电子文档加密和解密的系统及其方法 |
CN102096789A (zh) * | 2011-02-23 | 2011-06-15 | 上海帝埃碧化学科技有限公司 | 电子文档的保密装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001048594A2 (en) * | 1999-12-02 | 2001-07-05 | Honeywell, Inc. | Computer efficient linear feedback shift register |
WO2001086860A1 (en) * | 2000-05-09 | 2001-11-15 | Verizon Laboratories Inc. | Stream-cipher method and apparatus |
US20020031218A1 (en) * | 2000-09-14 | 2002-03-14 | Jen-Chiun Lin | Encryption method relevant to all encryption procedures |
WO2002041566A2 (en) * | 2000-11-14 | 2002-05-23 | Honeywell International Inc. | Cryptographic combiner using two sequential non-associative enciphering and deciphering operations |
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2003
- 2003-05-04 CN CNB031250580A patent/CN100359494C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001048594A2 (en) * | 1999-12-02 | 2001-07-05 | Honeywell, Inc. | Computer efficient linear feedback shift register |
WO2001086860A1 (en) * | 2000-05-09 | 2001-11-15 | Verizon Laboratories Inc. | Stream-cipher method and apparatus |
US20020031218A1 (en) * | 2000-09-14 | 2002-03-14 | Jen-Chiun Lin | Encryption method relevant to all encryption procedures |
WO2002041566A2 (en) * | 2000-11-14 | 2002-05-23 | Honeywell International Inc. | Cryptographic combiner using two sequential non-associative enciphering and deciphering operations |
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CN1542628A (zh) | 2004-11-03 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: JIANGNAN INDUSTRIES GROUP CO., LTD. Free format text: FORMER NAME: JIANGNAN MACHINERY (GROUP) CO., LTD. |
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CP03 | Change of name, title or address |
Address after: Bamboo town Yuhu District 411207 Hunan city of Xiangtan Province Patentee after: Jiangnan Industries Group Co., Ltd. Address before: 411207 Hunan city of Xiangtan Province bamboo town Patentee before: Jiangnan Machinery (Group) Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20150504 |
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EXPY | Termination of patent right or utility model |