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| author | Mark Fedorov <mark.fedorov@cloudbear.ru> | 2021-09-29 20:49:59 +0300 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2022-11-21 10:49:52 +0100 |
| commit | 45e16e9e45dee677e0daa9f6832b5ae605c1eab4 (patch) | |
| tree | 72935ffda1735ade55f323e89a4882aa8306e032 /crypto/sha | |
| parent | c606775c4e402561aa037155fd1a1a3baf6b4318 (diff) | |
RISC-V support for the SHA256
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16710)
(cherry picked from commit 657d1927c68bdc3fb0250d16df2a8439e8e043f1)
Diffstat (limited to 'crypto/sha')
| -rw-r--r-- | crypto/sha/sha256.c | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/crypto/sha/sha256.c b/crypto/sha/sha256.c index 5845c38937..89beaf1479 100644 --- a/crypto/sha/sha256.c +++ b/crypto/sha/sha256.c @@ -129,18 +129,63 @@ static const SHA_LONG K256[64] = { 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL }; +# ifndef PEDANTIC +# if defined(__GNUC__) && __GNUC__>=2 && \ + !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) +# if __riscv_zknh +# define Sigma0(x) ({ MD32_REG_T ret; \ + asm ("sha256sum0 %0, %1" \ + : "=r"(ret) \ + : "r"(x)); ret; }) +# define Sigma1(x) ({ MD32_REG_T ret; \ + asm ("sha256sum1 %0, %1" \ + : "=r"(ret) \ + : "r"(x)); ret; }) +# define sigma0(x) ({ MD32_REG_T ret; \ + asm ("sha256sig0 %0, %1" \ + : "=r"(ret) \ + : "r"(x)); ret; }) +# define sigma1(x) ({ MD32_REG_T ret; \ + asm ("sha256sig1 %0, %1" \ + : "=r"(ret) \ + : "r"(x)); ret; }) +# endif +# if __riscv_zbt || __riscv_zpn +# define Ch(x,y,z) ({ MD32_REG_T ret; \ + asm (".insn r4 0x33, 1, 0x3, %0, %2, %1, %3"\ + : "=r"(ret) \ + : "r"(x), "r"(y), "r"(z)); ret; }) +# define Maj(x,y,z) ({ MD32_REG_T ret; \ + asm (".insn r4 0x33, 1, 0x3, %0, %2, %1, %3"\ + : "=r"(ret) \ + : "r"(x^z), "r"(y), "r"(x)); ret; }) +# endif +# endif +# endif + /* * FIPS specification refers to right rotations, while our ROTATE macro * is left one. This is why you might notice that rotation coefficients * differ from those observed in FIPS document by 32-N... */ -# define Sigma0(x) (ROTATE((x),30) ^ ROTATE((x),19) ^ ROTATE((x),10)) -# define Sigma1(x) (ROTATE((x),26) ^ ROTATE((x),21) ^ ROTATE((x),7)) -# define sigma0(x) (ROTATE((x),25) ^ ROTATE((x),14) ^ ((x)>>3)) -# define sigma1(x) (ROTATE((x),15) ^ ROTATE((x),13) ^ ((x)>>10)) - -# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) -# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) +# ifndef Sigma0 +# define Sigma0(x) (ROTATE((x),30) ^ ROTATE((x),19) ^ ROTATE((x),10)) +# endif +# ifndef Sigma1 +# define Sigma1(x) (ROTATE((x),26) ^ ROTATE((x),21) ^ ROTATE((x),7)) +# endif +# ifndef sigma0 +# define sigma0(x) (ROTATE((x),25) ^ ROTATE((x),14) ^ ((x)>>3)) +# endif +# ifndef sigma1 +# define sigma1(x) (ROTATE((x),15) ^ ROTATE((x),13) ^ ((x)>>10)) +# endif +# ifndef Ch +# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) +# endif +# ifndef Maj +# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) +# endif # ifdef OPENSSL_SMALL_FOOTPRINT |