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PCLMULQDQ is used to accelerate the most time-consuming part of GHASH, carry-less multiplication. More information about PCLMULQDQ can be found at: http://software.intel.com/en-us/articles/carry-less-multiplication-and-its-usage-for-computing-the-gcm-mode/ Because PCLMULQDQ changes XMM state, its usage must be enclosed with kernel_fpu_begin/end, which can be used only in process context, the acceleration is implemented as crypto_ahash. That is, request in soft IRQ context will be defered to the cryptd kernel thread. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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| .. | ||
| aes_glue.c | ||
| aes-i586-asm_32.S | ||
| aes-x86_64-asm_64.S | ||
| aesni-intel_asm.S | ||
| aesni-intel_glue.c | ||
| crc32c-intel.c | ||
| fpu.c | ||
| ghash-clmulni-intel_asm.S | ||
| ghash-clmulni-intel_glue.c | ||
| Makefile | ||
| salsa20_glue.c | ||
| salsa20-i586-asm_32.S | ||
| salsa20-x86_64-asm_64.S | ||
| twofish_glue.c | ||
| twofish-i586-asm_32.S | ||
| twofish-x86_64-asm_64.S | ||