21 Oct 2009 randombit   » (Journeyer)

SSE2 Serpent on Atom N270: twice as fast as AES-128

On the Intel Atom N270 processor, OpenSSL 0.9.8g's implementation of AES-128 runs at 25 MiB per second (CBC mode, using openssl speed). In contrast, the Serpent implementation using SSE2 I described last month runs at over 60 MiB per second in ECB mode (2.4x faster) and 48 MiB per second in CTR mode (1.9x faster).

Syndicated 2009-10-21 06:11:40 from Jack Lloyd

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