| /* Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <debug.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <trace.h> |
| #include "sha512.h" |
| |
| #define LOCAL_TRACE 0 |
| |
| #if defined(__aarch64__) |
| #define SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| |
| int SHA512_Init(SHA512_CTX *c) |
| { |
| c->h[0] = U64(0x6a09e667f3bcc908); |
| c->h[1] = U64(0xbb67ae8584caa73b); |
| c->h[2] = U64(0x3c6ef372fe94f82b); |
| c->h[3] = U64(0xa54ff53a5f1d36f1); |
| c->h[4] = U64(0x510e527fade682d1); |
| c->h[5] = U64(0x9b05688c2b3e6c1f); |
| c->h[6] = U64(0x1f83d9abfb41bd6b); |
| c->h[7] = U64(0x5be0cd19137e2179); |
| |
| c->Nl = 0; |
| c->Nh = 0; |
| c->num = 0; |
| c->md_len = SHA512_DIGEST_LENGTH; |
| return 1; |
| } |
| |
| void sha512_block_data_order(SHA512_CTX *ctx, const void *in, size_t num); |
| |
| int SHA512_Final(unsigned char *md, SHA512_CTX *c) |
| { |
| unsigned char *p = (unsigned char *)c->u.p; |
| size_t n = c->num; |
| |
| p[n] = 0x80; /* There always is a room for one */ |
| n++; |
| if (n > (sizeof(c->u) - 16)) |
| memset(p + n, 0, sizeof(c->u) - n), n = 0, |
| sha512_block_data_order(c, p, 1); |
| |
| memset(p + n, 0, sizeof(c->u) - 16 - n); |
| # ifdef B_ENDIAN |
| c->u.d[SHA_LBLOCK - 2] = c->Nh; |
| c->u.d[SHA_LBLOCK - 1] = c->Nl; |
| # else |
| p[sizeof(c->u) - 1] = (unsigned char)(c->Nl); |
| p[sizeof(c->u) - 2] = (unsigned char)(c->Nl >> 8); |
| p[sizeof(c->u) - 3] = (unsigned char)(c->Nl >> 16); |
| p[sizeof(c->u) - 4] = (unsigned char)(c->Nl >> 24); |
| p[sizeof(c->u) - 5] = (unsigned char)(c->Nl >> 32); |
| p[sizeof(c->u) - 6] = (unsigned char)(c->Nl >> 40); |
| p[sizeof(c->u) - 7] = (unsigned char)(c->Nl >> 48); |
| p[sizeof(c->u) - 8] = (unsigned char)(c->Nl >> 56); |
| p[sizeof(c->u) - 9] = (unsigned char)(c->Nh); |
| p[sizeof(c->u) - 10] = (unsigned char)(c->Nh >> 8); |
| p[sizeof(c->u) - 11] = (unsigned char)(c->Nh >> 16); |
| p[sizeof(c->u) - 12] = (unsigned char)(c->Nh >> 24); |
| p[sizeof(c->u) - 13] = (unsigned char)(c->Nh >> 32); |
| p[sizeof(c->u) - 14] = (unsigned char)(c->Nh >> 40); |
| p[sizeof(c->u) - 15] = (unsigned char)(c->Nh >> 48); |
| p[sizeof(c->u) - 16] = (unsigned char)(c->Nh >> 56); |
| # endif |
| |
| sha512_block_data_order(c, p, 1); |
| |
| if (md == 0) |
| return 0; |
| |
| switch (c->md_len) { |
| case SHA512_DIGEST_LENGTH: |
| for (n = 0; n < SHA512_DIGEST_LENGTH / 8; n++) { |
| SHA_LONG64 t = c->h[n]; |
| |
| *(md++) = (unsigned char)(t >> 56); |
| *(md++) = (unsigned char)(t >> 48); |
| *(md++) = (unsigned char)(t >> 40); |
| *(md++) = (unsigned char)(t >> 32); |
| *(md++) = (unsigned char)(t >> 24); |
| *(md++) = (unsigned char)(t >> 16); |
| *(md++) = (unsigned char)(t >> 8); |
| *(md++) = (unsigned char)(t); |
| } |
| break; |
| /* ... as well as make sure md_len is not abused. */ |
| default: |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len) |
| { |
| SHA_LONG64 l; |
| unsigned char *p = c->u.p; |
| const unsigned char *data = (const unsigned char *)_data; |
| |
| if (len == 0) |
| return 1; |
| |
| l = (c->Nl + (((SHA_LONG64) len) << 3)) & U64(0xffffffffffffffff); |
| if (l < c->Nl) |
| c->Nh++; |
| if (sizeof(len) >= 8) |
| c->Nh += (((SHA_LONG64) len) >> 61); |
| c->Nl = l; |
| |
| if (c->num != 0) { |
| size_t n = sizeof(c->u) - c->num; |
| |
| if (len < n) { |
| memcpy(p + c->num, data, len), c->num += (unsigned int)len; |
| return 1; |
| } else { |
| memcpy(p + c->num, data, n), c->num = 0; |
| len -= n, data += n; |
| sha512_block_data_order(c, p, 1); |
| } |
| } |
| |
| if (len >= sizeof(c->u)) { |
| # ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| if ((size_t)data % sizeof(c->u.d[0]) != 0) |
| while (len >= sizeof(c->u)) |
| memcpy(p, data, sizeof(c->u)), |
| sha512_block_data_order(c, p, 1), |
| len -= sizeof(c->u), data += sizeof(c->u); |
| else |
| # endif |
| sha512_block_data_order(c, data, len / sizeof(c->u)), |
| data += len, len %= sizeof(c->u), data -= len; |
| } |
| |
| if (len != 0) |
| memcpy(p, data, len), c->num = (int)len; |
| |
| return 1; |
| } |
| |
| |
| void SHA512_Transform(SHA512_CTX *c, const unsigned char *data) |
| { |
| # ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| if ((size_t)data % sizeof(c->u.d[0]) != 0) |
| memcpy(c->u.p, data, sizeof(c->u.p)), data = c->u.p; |
| # endif |
| sha512_block_data_order(c, data, 1); |
| } |
| |
| unsigned char *SHA512(const void *d, size_t n, unsigned char *md) |
| { |
| SHA512_CTX c; |
| static unsigned char m[SHA512_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| SHA512_Init(&c); |
| SHA512_Update(&c, d, n); |
| SHA512_Final(md, &c); |
| return (md); |
| } |
| int sha512_hash(const void *input, int len, u8 *output) |
| { |
| SHA512_CTX s_ctx; |
| memset((void *)&s_ctx, 0, sizeof(s_ctx)); |
| SHA512_Init(&s_ctx); |
| SHA512_Update(&s_ctx,input,len); |
| SHA512_Final(output,&s_ctx); |
| return 0; |
| } |
| #elif defined(__arm__) |
| |
| int SHA512_Init(SHA512_CTX *c) |
| { |
| PANIC_UNIMPLEMENTED; |
| return -1; |
| } |
| int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len) |
| { |
| PANIC_UNIMPLEMENTED; |
| return -1; |
| } |
| int SHA512_Final(unsigned char *md, SHA512_CTX *c) |
| { |
| PANIC_UNIMPLEMENTED; |
| return -1; |
| } |
| int sha512_hash(const void *input, int len, u8 *output) |
| { |
| PANIC_UNIMPLEMENTED; |
| return -1; |
| } |
| #endif |
| |
| #define SHA512_ASM |
| #if 0 |
| # ifndef SHA512_ASM |
| static const SHA_LONG64 K512[80] = { |
| U64(0x428a2f98d728ae22), U64(0x7137449123ef65cd), |
| U64(0xb5c0fbcfec4d3b2f), U64(0xe9b5dba58189dbbc), |
| U64(0x3956c25bf348b538), U64(0x59f111f1b605d019), |
| U64(0x923f82a4af194f9b), U64(0xab1c5ed5da6d8118), |
| U64(0xd807aa98a3030242), U64(0x12835b0145706fbe), |
| U64(0x243185be4ee4b28c), U64(0x550c7dc3d5ffb4e2), |
| U64(0x72be5d74f27b896f), U64(0x80deb1fe3b1696b1), |
| U64(0x9bdc06a725c71235), U64(0xc19bf174cf692694), |
| U64(0xe49b69c19ef14ad2), U64(0xefbe4786384f25e3), |
| U64(0x0fc19dc68b8cd5b5), U64(0x240ca1cc77ac9c65), |
| U64(0x2de92c6f592b0275), U64(0x4a7484aa6ea6e483), |
| U64(0x5cb0a9dcbd41fbd4), U64(0x76f988da831153b5), |
| U64(0x983e5152ee66dfab), U64(0xa831c66d2db43210), |
| U64(0xb00327c898fb213f), U64(0xbf597fc7beef0ee4), |
| U64(0xc6e00bf33da88fc2), U64(0xd5a79147930aa725), |
| U64(0x06ca6351e003826f), U64(0x142929670a0e6e70), |
| U64(0x27b70a8546d22ffc), U64(0x2e1b21385c26c926), |
| U64(0x4d2c6dfc5ac42aed), U64(0x53380d139d95b3df), |
| U64(0x650a73548baf63de), U64(0x766a0abb3c77b2a8), |
| U64(0x81c2c92e47edaee6), U64(0x92722c851482353b), |
| U64(0xa2bfe8a14cf10364), U64(0xa81a664bbc423001), |
| U64(0xc24b8b70d0f89791), U64(0xc76c51a30654be30), |
| U64(0xd192e819d6ef5218), U64(0xd69906245565a910), |
| U64(0xf40e35855771202a), U64(0x106aa07032bbd1b8), |
| U64(0x19a4c116b8d2d0c8), U64(0x1e376c085141ab53), |
| U64(0x2748774cdf8eeb99), U64(0x34b0bcb5e19b48a8), |
| U64(0x391c0cb3c5c95a63), U64(0x4ed8aa4ae3418acb), |
| U64(0x5b9cca4f7763e373), U64(0x682e6ff3d6b2b8a3), |
| U64(0x748f82ee5defb2fc), U64(0x78a5636f43172f60), |
| U64(0x84c87814a1f0ab72), U64(0x8cc702081a6439ec), |
| U64(0x90befffa23631e28), U64(0xa4506cebde82bde9), |
| U64(0xbef9a3f7b2c67915), U64(0xc67178f2e372532b), |
| U64(0xca273eceea26619c), U64(0xd186b8c721c0c207), |
| U64(0xeada7dd6cde0eb1e), U64(0xf57d4f7fee6ed178), |
| U64(0x06f067aa72176fba), U64(0x0a637dc5a2c898a6), |
| U64(0x113f9804bef90dae), U64(0x1b710b35131c471b), |
| U64(0x28db77f523047d84), U64(0x32caab7b40c72493), |
| U64(0x3c9ebe0a15c9bebc), U64(0x431d67c49c100d4c), |
| U64(0x4cc5d4becb3e42b6), U64(0x597f299cfc657e2a), |
| U64(0x5fcb6fab3ad6faec), U64(0x6c44198c4a475817) |
| }; |
| |
| # ifndef PEDANTIC |
| # if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
| # if defined(__x86_64) || defined(__x86_64__) |
| # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| asm ("rorq %1,%0" \ |
| : "=r"(ret) \ |
| : "J"(n),"0"(a) \ |
| : "cc"); ret; }) |
| # if !defined(B_ENDIAN) |
| # define PULL64(x) ({ SHA_LONG64 ret=*((const SHA_LONG64 *)(&(x))); \ |
| asm ("bswapq %0" \ |
| : "=r"(ret) \ |
| : "0"(ret)); ret; }) |
| # endif |
| # elif (defined(__i386) || defined(__i386__)) && !defined(B_ENDIAN) |
| |
| # define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\ |
| unsigned int hi=p[0],lo=p[1]; \ |
| asm ("bswapl %0; bswapl %1;" \ |
| : "=r"(lo),"=r"(hi) \ |
| : "0"(lo),"1"(hi)); \ |
| ((SHA_LONG64)hi)<<32|lo; }) |
| # elif (defined(_ARCH_PPC) && defined(__64BIT__)) || defined(_ARCH_PPC64) |
| # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| asm ("rotrdi %0,%1,%2" \ |
| : "=r"(ret) \ |
| : "r"(a),"K"(n)); ret; }) |
| # elif defined(__aarch64__) |
| # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| asm ("ror %0,%1,%2" \ |
| : "=r"(ret) \ |
| : "r"(a),"I"(n)); ret; }) |
| # if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ |
| __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ |
| # define PULL64(x) ({ SHA_LONG64 ret; \ |
| asm ("rev %0,%1" \ |
| : "=r"(ret) \ |
| : "r"(*((const SHA_LONG64 *)(&(x))))); ret; }) |
| # endif |
| # endif |
| # elif defined(_MSC_VER) |
| # define ROTR(a,n) _rotr64((a),n) |
| # if defined(_M_IX86) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
| static SHA_LONG64 __fastcall __pull64be(const void *x) |
| { |
| _asm mov edx,[ecx + 0] |
| _asm mov eax,[ecx + 4] |
| _asm bswap edx _asm bswap eax |
| } |
| # define PULL64(x) __pull64be(&(x)) |
| # if _MSC_VER<=1200 |
| # pragma inline_depth(0) |
| # endif |
| # endif |
| # endif |
| # endif |
| # ifndef PULL64 |
| # define B(x,j) (((SHA_LONG64)(*(((const unsigned char *)(&x))+j)))<<((7-j)*8)) |
| # define PULL64(x) (B(x,0)|B(x,1)|B(x,2)|B(x,3)|B(x,4)|B(x,5)|B(x,6)|B(x,7)) |
| # endif |
| # ifndef ROTR |
| # define ROTR(x,s) (((x)>>s) | (x)<<(64-s)) |
| # endif |
| # define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39)) |
| # define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41)) |
| # define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7)) |
| # define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6)) |
| # define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) |
| # define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) |
| # if defined(__i386) || defined(__i386__) || defined(_M_IX86) |
| /* |
| * This code should give better results on 32-bit CPU with less than |
| * ~24 registers, both size and performance wise... |
| */ |
| |
| # elif defined(OPENSSL_SMALL_FOOTPRINT) |
| |
| # else |
| # define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \ |
| T1 += h + Sigma1(e) + Ch(e,f,g) + K512[i]; \ |
| h = Sigma0(a) + Maj(a,b,c); \ |
| d += T1; h += T1; } while (0) |
| # define ROUND_16_80(i,j,a,b,c,d,e,f,g,h,X) do { \ |
| s0 = X[(j+1)&0x0f]; s0 = sigma0(s0); \ |
| s1 = X[(j+14)&0x0f]; s1 = sigma1(s1); \ |
| T1 = X[(j)&0x0f] += s0 + s1 + X[(j+9)&0x0f]; \ |
| ROUND_00_15(i+j,a,b,c,d,e,f,g,h); } while (0) |
| |
| # endif |
| |
| # endif /* SHA512_ASM */ |
| #endif |