EA200100978A1 - METHOD AND DEVICE FOR ENCRYPTING AND DECRYPTING INFORMATION - Google Patents
METHOD AND DEVICE FOR ENCRYPTING AND DECRYPTING INFORMATIONInfo
- Publication number
- EA200100978A1 EA200100978A1 EA200100978A EA200100978A EA200100978A1 EA 200100978 A1 EA200100978 A1 EA 200100978A1 EA 200100978 A EA200100978 A EA 200100978A EA 200100978 A EA200100978 A EA 200100978A EA 200100978 A1 EA200100978 A1 EA 200100978A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- key
- character
- symbols
- parameters
- symbol
- Prior art date
Links
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- Storage Device Security (AREA)
Abstract
Способ относится к методам и устройствам для шифрования множества исходных символов из множества элементарных символов. Способ генерирует для каждого символа из множества исходных символов первый параметр, представляющий количество интервалов числовой оси, множество вторых параметров, представляющих множество длин интервалов числовой оси, и множество третьих параметров, представляющих множество местоположений соответственно. Способ генерирует для каждого символа из первого множества параметров, из второго множества параметров и из третьего множества параметров ключевую функцию для каждого символа соответственно. Способ преобразует для каждого символа, используя соответствующую ключевую функцию, множество исходных символов в множество индивидуальных символов соответственно. Используя множество ключевых символов как ключ, способ шифрует множество исходных символов как множество шифрованных символов соответственно. Символьный блок может опционально генерировать при помощи дополнительной функции для каждого символа дополнительный символ и комбинировать дополнительный символ с соответствующим индивидуальным символом для генерации ключевого символа. Шифратор, используя множество ключевых символов как ключ, шифрует множество исходных символов как множество кодированных символов соответственно.Международная заявка была опубликована вместе с отчетом о международном поиске.The method relates to methods and devices for encrypting a set of source symbols from a set of elementary symbols. The method generates for each character from a set of source symbols a first parameter representing the number of intervals of the number axis, a set of second parameters representing the set of interval lengths of the number axis, and a set of third parameters representing the set of locations, respectively. The method generates for each symbol from the first set of parameters, from the second set of parameters and from the third set of parameters a key function for each symbol, respectively. The method converts for each symbol, using the corresponding key function, a set of source symbols into a set of individual symbols, respectively. Using a set of key symbols as a key, the method encrypts a set of source symbols as a set of encrypted symbols, respectively. A character block can optionally generate an additional character with the help of an additional function for each character and combine the additional character with the corresponding individual character to generate a key character. The encoder, using the set of key characters as a key, encrypts the set of source characters as a set of coded characters, respectively. The international application was published along with an international search report.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BY1999/000004 WO2000056004A1 (en) | 1999-03-16 | 1999-03-16 | Method and apparatus for encoding and decoding information |
Publications (1)
Publication Number | Publication Date |
---|---|
EA200100978A1 true EA200100978A1 (en) | 2003-04-24 |
Family
ID=58231296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200100978A EA200100978A1 (en) | 1999-03-16 | 1999-03-16 | METHOD AND DEVICE FOR ENCRYPTING AND DECRYPTING INFORMATION |
Country Status (1)
Country | Link |
---|---|
EA (1) | EA200100978A1 (en) |
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1999
- 1999-03-16 EA EA200100978A patent/EA200100978A1/en unknown
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