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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-07-11 10:10:47 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-09-15 13:57:00 +0000 |
| commit | 00f463b38aa7cfca0bc65e3af7f2c49e1b9da690 (patch) | |
| tree | 1a0835b5c4babf3806eb4d3e373691b23efdd254 /include/crypto/clmul.h | |
| parent | f56d3c1a140267ae88874d755fa2f24cb71a1572 (diff) | |
| download | focaccia-qemu-00f463b38aa7cfca0bc65e3af7f2c49e1b9da690.tar.gz focaccia-qemu-00f463b38aa7cfca0bc65e3af7f2c49e1b9da690.zip | |
crypto: Add generic 64-bit carry-less multiply routine
Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/crypto/clmul.h')
| -rw-r--r-- | include/crypto/clmul.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/crypto/clmul.h b/include/crypto/clmul.h index 80de516464..446931fe05 100644 --- a/include/crypto/clmul.h +++ b/include/crypto/clmul.h @@ -8,6 +8,9 @@ #ifndef CRYPTO_CLMUL_H #define CRYPTO_CLMUL_H +#include "qemu/int128.h" +#include "host/crypto/clmul.h" + /** * clmul_8x8_low: * @@ -61,4 +64,20 @@ uint64_t clmul_16x2_odd(uint64_t, uint64_t); */ uint64_t clmul_32(uint32_t, uint32_t); +/** + * clmul_64: + * + * Perform a 64x64->128 carry-less multiply. + */ +Int128 clmul_64_gen(uint64_t, uint64_t); + +static inline Int128 clmul_64(uint64_t a, uint64_t b) +{ + if (HAVE_CLMUL_ACCEL) { + return clmul_64_accel(a, b); + } else { + return clmul_64_gen(a, b); + } +} + #endif /* CRYPTO_CLMUL_H */ |