Presentation | 2004-07-20 A Hardware Organization of High-Radix Modular Multiplication for RSA Cryptosystem Yi GE, Takao SAKURAI, Koki ABE, Shuichi SAKAI, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | Hardware organized modular multiplication based on division algorithm is one of the effective methods used for RSA encryption/decryption. This paper generalizes the hardware organization of the modular multiplication based on the higher-radix SRT division algorithm, and describes the area/time trade-off of the organization. For the number representation we used the signed-digit number system and for selecting the multiple of modular we employed the arithmetic operation instead of the conventional look-up table. The method based on the arithmetic operation is suitable for keeping the same structure over wide range of high radices. The result of the evaluation revealed that a radix-16 multiplier produced 1.5 times speedup at about 1.6 times area cost compared with radix-4 multiplier. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | RSA cryptosystem / modular multiplication / SRT division / high-radix / signed-digit number |
Paper # | ISEC2004-15 |
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Conference Information | |
Committee | ISEC |
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Conference Date | 2004/7/13(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Information Security (ISEC) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A Hardware Organization of High-Radix Modular Multiplication for RSA Cryptosystem |
Sub Title (in English) | |
Keyword(1) | RSA cryptosystem |
Keyword(2) | modular multiplication |
Keyword(3) | SRT division |
Keyword(4) | high-radix |
Keyword(5) | signed-digit number |
1st Author's Name | Yi GE |
1st Author's Affiliation | Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo() |
2nd Author's Name | Takao SAKURAI |
2nd Author's Affiliation | Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo |
3rd Author's Name | Koki ABE |
3rd Author's Affiliation | Department of Computer Science. The University of Electro-Communications |
4th Author's Name | Shuichi SAKAI |
4th Author's Affiliation | Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo |
Date | 2004-07-20 |
Paper # | ISEC2004-15 |
Volume (vol) | vol.104 |
Number (no) | 199 |
Page | pp.pp.- |
#Pages | 6 |
Date of Issue |