Intel® Carry-Less Multiplication Instruction and its Usage for Computing the GCM Mode

Submitted: May 01, 2010 Last updated: May 01, 2010
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Detailed Description

This paper provides information on the instruction, and its usage for computing the Galois Hash. It also provides code examples for the usage of PCLMULQDQ, together with the Intel® AES New Instructions (Intel® AES-NI) for efficient implementation of AES in Galois Counter Mode (AES-GCM).

For all Intel® 64 and IA-32 Architectures Software Developer Manuals, see: https://software.intel.com/en-us/articles/intel-sdm

Product and Performance Information

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Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.