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Parallelized radix-4 scalable montgomery multipliers

Published: 03 September 2007 Publication History

Abstract

This paper describes a parallelized radix-4 scalable Montgomery multiplier implementation. The design does not require hardware multipliers, and uses parallelized multiplication to shorten the critical path. By left-shifting the sources rather than right-shifting the result, the latency between processing elements is shortened from two cycles to nearly one. The new design can perform 1024-bit modular exponentiation in 8.7 ms and 256-bit exponentiation in 0.36 ms using 5916 Virtex2 4-input lookup tables. This is comparable to radix-2 for long multiplies and nearly twice as fast for short ones.

References

[1]
P. Montgomery, "Modular multiplication without trial division," Math. of Computation, vol. 44, no. 170, pp. 519--521, April 1985.
[2]
A. Tenca and Ç. Koç, "A scalable architecture for modular multiplication based on Montgomery's algorithm," IEEE Trans. Computers, vol. 52, no. 9, Sept. 2003, pp. 1215--1221.
[3]
D. Harris, R. Krishnamurthy, M. Anders, S. Mathew, and S. Hsu, "An improved unified scalable radix-2 Montgomery multiplier," Proc. 17th IEEE Symp. Computer Arithmetic, pp. 172--178, 2005.
[4]
A. Tenca and L. Tawalbeh, "An efficient and scalable radix-4 modular multiplier design using recoding techniques," Proc. Asilomar Conf. Signals, Systems, and Computers, pp. 1445--1450, 2003.
[5]
A. Tenca, G. Todorov, and Ç. Koç, "High-radix design of a scalable modular multiplier," Cryptographic Hardware and Embedded Systems, Ç. Koç and C. Paar, eds., 2001, Lecture Notes in Computer Science, No. 1717, pp. 189--206, Springer, Berlin, Germany.
[6]
Y. Fan, X. Zeng, Y. Yu, G. Wang, and Q. Zhang, "A modified high-radix scalable Montgomery multiplier," Proc. Intl. Symp. Circuits and Systems, pp. 3382--3385, 2006.
[7]
K. Kelley and D. Harris, "Parallelized very high radix scalable Montgomery multipliers," Proc. Asilomar Conf. Signals, Systems, and Computers, pp. 1196--1200, Nov. 2005.
[8]
K. Kelley and D. Harris, "Very high radix scalable Montgomery multipliers," Proc. 5th Intl. Workshop on System-on-Chip, pp. 400--404, July 2005.
[9]
H. Orup, "Simplifying quotient determination in high-radix modular multiplication," Proc. 12th IEEE Symp. Computer Arithmetic, pp. 193--199, July 1995.
[10]
T. Blum and C. Paar, "High-radix Montgomery multiplication on reconfigurable hardware," IEEE Trans. Computers, vol. 50, no. 7, July 2001, pp. 759--764.
[11]
C. Walter, "Montgomery exponentiation needs no final subtractions," Electronics Letters, vol. 35, no. 21, pp. 1831--1832, 14 October 1999.
[12]
G. Hachez and J. Quisquater, "Montgomery exponentiation with no final subtractions: improved results," Lecture Notes in Computer Science, C. Koç and C. Paar, eds., vol. 1965, pp. 293--301, 2000.
[13]
N. Jiang and D. Harris, "Parallelized Radix-2 Scalable Montgomery Multiplier," submitted to IFIP Intl. Conf. on VLSI, 2007.

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cover image ACM Conferences
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems design
September 2007
382 pages
ISBN:9781595938169
DOI:10.1145/1284480
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 03 September 2007

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  1. Montgomery Multiplication
  2. RSA
  3. cryptography

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SBCCI07
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SBCCI07: 20th Symposium on Integrated Circuits and System Design
September 3 - 6, 2007
Copacabana, Rio de Janeiro

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Overall Acceptance Rate 133 of 347 submissions, 38%

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