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crypto: Add generic 16-bit carry-less multiply routines

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Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-07-11 09:14:58 +01:00
parent cec4090d94
commit cf1b2cab83
2 changed files with 37 additions and 0 deletions
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16
include/crypto/clmul.h
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@ -38,4 +38,20 @@ uint64_t clmul_8x4_odd(uint64_t, uint64_t);
*/
uint64_t clmul_8x4_packed(uint32_t, uint32_t);
/**
* clmul_16x2_even:
*
* Perform two 16x16->32 carry-less multiplies.
* The odd words of the inputs are ignored.
*/
uint64_t clmul_16x2_even(uint64_t, uint64_t);
/**
* clmul_16x2_odd:
*
* Perform two 16x16->32 carry-less multiplies.
* The even words of the inputs are ignored.
*/
uint64_t clmul_16x2_odd(uint64_t, uint64_t);
#endif /* CRYPTO_CLMUL_H */