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PCLMULQDQ Instruction and Elliptic Curve Cryptography: Paper

Executive Summary

Elliptic Curve Cryptography (ECC) is an algorithm for public-key cryptography based on elliptic curves over finite fields and is an alternative to commonly-used methods, such as RSA, DSA and DiffieHellman. This paper details an experimental study that uses new Intel® instructions to increase the performance of ECC by up to 600 percent.

Using the PCLMULQDQ instruction, the performance of ECC can be boosted significantly on a range of IA processor cores, making it an attractive option over other public key algorithms.

Note: Intel does not have a position with respect to the relative strength/weakness of the cryptographic algorithms mentioned in this paper and does not promote or discourage the use of any specific cryptographic algorithm type.

Read the full  PCLMULQDQ Instruction and Elliptic Curve Cryptography White Paper.

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