Attacks on RSA: Difference between revisions
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| title=On the cost of factoring RSA-1024 | | title=On the cost of factoring RSA-1024 | ||
Revision as of 00:01, 14 April 2009
A number of methods have been proposed for attacking the RSA cryptosystem. This article describes them.
Any efficient solution to the integer factorisation problem would break RSA; see the RSA article for discussion. The difficulty with that approach is that no efficient solution is known. Cracking a large (say 1024 bits or more) RSA key with current factoring algorithms is not practical, even with massive parallelism.
Weiner attack
Michael Weiner proposed an attack [1] based on continued fractions which is effective if the exponent in the secret key is small.
TWIRL
The Weizmann Instiute Relation Locator [2], developed by Adi Shamir (The 'S' in RSA) and Evan Tromer, is a machine designed to speed up the seiving step in the number field seive technique for integer factorisation.
RSA Security have commented [1].
References
- ↑ Wiener, M.J. (May 1990). "Cryptanalysis of short RSA secret exponents".
- ↑ Adi Shamir & Eran Tromer (2003). On the cost of factoring RSA-1024.