rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved. |
| 2 | * |
| 3 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
| 4 | * this file except in compliance with the License. You can obtain a copy |
| 5 | * in the file LICENSE in the source distribution or at |
| 6 | * https://www.openssl.org/source/license.html |
| 7 | */ |
| 8 | |
| 9 | #include <debug.h> |
| 10 | #include <string.h> |
| 11 | #include <sys/types.h> |
| 12 | #include <trace.h> |
| 13 | #include "sha512.h" |
| 14 | |
| 15 | #define LOCAL_TRACE 0 |
| 16 | |
| 17 | #if defined(__aarch64__) |
| 18 | #define SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| 19 | |
| 20 | int SHA512_Init(SHA512_CTX *c) |
| 21 | { |
| 22 | c->h[0] = U64(0x6a09e667f3bcc908); |
| 23 | c->h[1] = U64(0xbb67ae8584caa73b); |
| 24 | c->h[2] = U64(0x3c6ef372fe94f82b); |
| 25 | c->h[3] = U64(0xa54ff53a5f1d36f1); |
| 26 | c->h[4] = U64(0x510e527fade682d1); |
| 27 | c->h[5] = U64(0x9b05688c2b3e6c1f); |
| 28 | c->h[6] = U64(0x1f83d9abfb41bd6b); |
| 29 | c->h[7] = U64(0x5be0cd19137e2179); |
| 30 | |
| 31 | c->Nl = 0; |
| 32 | c->Nh = 0; |
| 33 | c->num = 0; |
| 34 | c->md_len = SHA512_DIGEST_LENGTH; |
| 35 | return 1; |
| 36 | } |
| 37 | |
| 38 | void sha512_block_data_order(SHA512_CTX *ctx, const void *in, size_t num); |
| 39 | |
| 40 | int SHA512_Final(unsigned char *md, SHA512_CTX *c) |
| 41 | { |
| 42 | unsigned char *p = (unsigned char *)c->u.p; |
| 43 | size_t n = c->num; |
| 44 | |
| 45 | p[n] = 0x80; /* There always is a room for one */ |
| 46 | n++; |
| 47 | if (n > (sizeof(c->u) - 16)) |
| 48 | memset(p + n, 0, sizeof(c->u) - n), n = 0, |
| 49 | sha512_block_data_order(c, p, 1); |
| 50 | |
| 51 | memset(p + n, 0, sizeof(c->u) - 16 - n); |
| 52 | # ifdef B_ENDIAN |
| 53 | c->u.d[SHA_LBLOCK - 2] = c->Nh; |
| 54 | c->u.d[SHA_LBLOCK - 1] = c->Nl; |
| 55 | # else |
| 56 | p[sizeof(c->u) - 1] = (unsigned char)(c->Nl); |
| 57 | p[sizeof(c->u) - 2] = (unsigned char)(c->Nl >> 8); |
| 58 | p[sizeof(c->u) - 3] = (unsigned char)(c->Nl >> 16); |
| 59 | p[sizeof(c->u) - 4] = (unsigned char)(c->Nl >> 24); |
| 60 | p[sizeof(c->u) - 5] = (unsigned char)(c->Nl >> 32); |
| 61 | p[sizeof(c->u) - 6] = (unsigned char)(c->Nl >> 40); |
| 62 | p[sizeof(c->u) - 7] = (unsigned char)(c->Nl >> 48); |
| 63 | p[sizeof(c->u) - 8] = (unsigned char)(c->Nl >> 56); |
| 64 | p[sizeof(c->u) - 9] = (unsigned char)(c->Nh); |
| 65 | p[sizeof(c->u) - 10] = (unsigned char)(c->Nh >> 8); |
| 66 | p[sizeof(c->u) - 11] = (unsigned char)(c->Nh >> 16); |
| 67 | p[sizeof(c->u) - 12] = (unsigned char)(c->Nh >> 24); |
| 68 | p[sizeof(c->u) - 13] = (unsigned char)(c->Nh >> 32); |
| 69 | p[sizeof(c->u) - 14] = (unsigned char)(c->Nh >> 40); |
| 70 | p[sizeof(c->u) - 15] = (unsigned char)(c->Nh >> 48); |
| 71 | p[sizeof(c->u) - 16] = (unsigned char)(c->Nh >> 56); |
| 72 | # endif |
| 73 | |
| 74 | sha512_block_data_order(c, p, 1); |
| 75 | |
| 76 | if (md == 0) |
| 77 | return 0; |
| 78 | |
| 79 | switch (c->md_len) { |
| 80 | case SHA512_DIGEST_LENGTH: |
| 81 | for (n = 0; n < SHA512_DIGEST_LENGTH / 8; n++) { |
| 82 | SHA_LONG64 t = c->h[n]; |
| 83 | |
| 84 | *(md++) = (unsigned char)(t >> 56); |
| 85 | *(md++) = (unsigned char)(t >> 48); |
| 86 | *(md++) = (unsigned char)(t >> 40); |
| 87 | *(md++) = (unsigned char)(t >> 32); |
| 88 | *(md++) = (unsigned char)(t >> 24); |
| 89 | *(md++) = (unsigned char)(t >> 16); |
| 90 | *(md++) = (unsigned char)(t >> 8); |
| 91 | *(md++) = (unsigned char)(t); |
| 92 | } |
| 93 | break; |
| 94 | /* ... as well as make sure md_len is not abused. */ |
| 95 | default: |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | return 1; |
| 100 | } |
| 101 | |
| 102 | int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len) |
| 103 | { |
| 104 | SHA_LONG64 l; |
| 105 | unsigned char *p = c->u.p; |
| 106 | const unsigned char *data = (const unsigned char *)_data; |
| 107 | |
| 108 | if (len == 0) |
| 109 | return 1; |
| 110 | |
| 111 | l = (c->Nl + (((SHA_LONG64) len) << 3)) & U64(0xffffffffffffffff); |
| 112 | if (l < c->Nl) |
| 113 | c->Nh++; |
| 114 | if (sizeof(len) >= 8) |
| 115 | c->Nh += (((SHA_LONG64) len) >> 61); |
| 116 | c->Nl = l; |
| 117 | |
| 118 | if (c->num != 0) { |
| 119 | size_t n = sizeof(c->u) - c->num; |
| 120 | |
| 121 | if (len < n) { |
| 122 | memcpy(p + c->num, data, len), c->num += (unsigned int)len; |
| 123 | return 1; |
| 124 | } else { |
| 125 | memcpy(p + c->num, data, n), c->num = 0; |
| 126 | len -= n, data += n; |
| 127 | sha512_block_data_order(c, p, 1); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if (len >= sizeof(c->u)) { |
| 132 | # ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| 133 | if ((size_t)data % sizeof(c->u.d[0]) != 0) |
| 134 | while (len >= sizeof(c->u)) |
| 135 | memcpy(p, data, sizeof(c->u)), |
| 136 | sha512_block_data_order(c, p, 1), |
| 137 | len -= sizeof(c->u), data += sizeof(c->u); |
| 138 | else |
| 139 | # endif |
| 140 | sha512_block_data_order(c, data, len / sizeof(c->u)), |
| 141 | data += len, len %= sizeof(c->u), data -= len; |
| 142 | } |
| 143 | |
| 144 | if (len != 0) |
| 145 | memcpy(p, data, len), c->num = (int)len; |
| 146 | |
| 147 | return 1; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | void SHA512_Transform(SHA512_CTX *c, const unsigned char *data) |
| 152 | { |
| 153 | # ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA |
| 154 | if ((size_t)data % sizeof(c->u.d[0]) != 0) |
| 155 | memcpy(c->u.p, data, sizeof(c->u.p)), data = c->u.p; |
| 156 | # endif |
| 157 | sha512_block_data_order(c, data, 1); |
| 158 | } |
| 159 | |
| 160 | unsigned char *SHA512(const void *d, size_t n, unsigned char *md) |
| 161 | { |
| 162 | SHA512_CTX c; |
| 163 | static unsigned char m[SHA512_DIGEST_LENGTH]; |
| 164 | |
| 165 | if (md == NULL) |
| 166 | md = m; |
| 167 | SHA512_Init(&c); |
| 168 | SHA512_Update(&c, d, n); |
| 169 | SHA512_Final(md, &c); |
| 170 | return (md); |
| 171 | } |
| 172 | int sha512_hash(const void *input, int len, u8 *output) |
| 173 | { |
| 174 | SHA512_CTX s_ctx; |
| 175 | memset((void *)&s_ctx, 0, sizeof(s_ctx)); |
| 176 | SHA512_Init(&s_ctx); |
| 177 | SHA512_Update(&s_ctx,input,len); |
| 178 | SHA512_Final(output,&s_ctx); |
| 179 | return 0; |
| 180 | } |
| 181 | #elif defined(__arm__) |
| 182 | |
| 183 | int SHA512_Init(SHA512_CTX *c) |
| 184 | { |
| 185 | PANIC_UNIMPLEMENTED; |
| 186 | return -1; |
| 187 | } |
| 188 | int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len) |
| 189 | { |
| 190 | PANIC_UNIMPLEMENTED; |
| 191 | return -1; |
| 192 | } |
| 193 | int SHA512_Final(unsigned char *md, SHA512_CTX *c) |
| 194 | { |
| 195 | PANIC_UNIMPLEMENTED; |
| 196 | return -1; |
| 197 | } |
| 198 | int sha512_hash(const void *input, int len, u8 *output) |
| 199 | { |
| 200 | PANIC_UNIMPLEMENTED; |
| 201 | return -1; |
| 202 | } |
| 203 | #endif |
| 204 | |
| 205 | #define SHA512_ASM |
| 206 | #if 0 |
| 207 | # ifndef SHA512_ASM |
| 208 | static const SHA_LONG64 K512[80] = { |
| 209 | U64(0x428a2f98d728ae22), U64(0x7137449123ef65cd), |
| 210 | U64(0xb5c0fbcfec4d3b2f), U64(0xe9b5dba58189dbbc), |
| 211 | U64(0x3956c25bf348b538), U64(0x59f111f1b605d019), |
| 212 | U64(0x923f82a4af194f9b), U64(0xab1c5ed5da6d8118), |
| 213 | U64(0xd807aa98a3030242), U64(0x12835b0145706fbe), |
| 214 | U64(0x243185be4ee4b28c), U64(0x550c7dc3d5ffb4e2), |
| 215 | U64(0x72be5d74f27b896f), U64(0x80deb1fe3b1696b1), |
| 216 | U64(0x9bdc06a725c71235), U64(0xc19bf174cf692694), |
| 217 | U64(0xe49b69c19ef14ad2), U64(0xefbe4786384f25e3), |
| 218 | U64(0x0fc19dc68b8cd5b5), U64(0x240ca1cc77ac9c65), |
| 219 | U64(0x2de92c6f592b0275), U64(0x4a7484aa6ea6e483), |
| 220 | U64(0x5cb0a9dcbd41fbd4), U64(0x76f988da831153b5), |
| 221 | U64(0x983e5152ee66dfab), U64(0xa831c66d2db43210), |
| 222 | U64(0xb00327c898fb213f), U64(0xbf597fc7beef0ee4), |
| 223 | U64(0xc6e00bf33da88fc2), U64(0xd5a79147930aa725), |
| 224 | U64(0x06ca6351e003826f), U64(0x142929670a0e6e70), |
| 225 | U64(0x27b70a8546d22ffc), U64(0x2e1b21385c26c926), |
| 226 | U64(0x4d2c6dfc5ac42aed), U64(0x53380d139d95b3df), |
| 227 | U64(0x650a73548baf63de), U64(0x766a0abb3c77b2a8), |
| 228 | U64(0x81c2c92e47edaee6), U64(0x92722c851482353b), |
| 229 | U64(0xa2bfe8a14cf10364), U64(0xa81a664bbc423001), |
| 230 | U64(0xc24b8b70d0f89791), U64(0xc76c51a30654be30), |
| 231 | U64(0xd192e819d6ef5218), U64(0xd69906245565a910), |
| 232 | U64(0xf40e35855771202a), U64(0x106aa07032bbd1b8), |
| 233 | U64(0x19a4c116b8d2d0c8), U64(0x1e376c085141ab53), |
| 234 | U64(0x2748774cdf8eeb99), U64(0x34b0bcb5e19b48a8), |
| 235 | U64(0x391c0cb3c5c95a63), U64(0x4ed8aa4ae3418acb), |
| 236 | U64(0x5b9cca4f7763e373), U64(0x682e6ff3d6b2b8a3), |
| 237 | U64(0x748f82ee5defb2fc), U64(0x78a5636f43172f60), |
| 238 | U64(0x84c87814a1f0ab72), U64(0x8cc702081a6439ec), |
| 239 | U64(0x90befffa23631e28), U64(0xa4506cebde82bde9), |
| 240 | U64(0xbef9a3f7b2c67915), U64(0xc67178f2e372532b), |
| 241 | U64(0xca273eceea26619c), U64(0xd186b8c721c0c207), |
| 242 | U64(0xeada7dd6cde0eb1e), U64(0xf57d4f7fee6ed178), |
| 243 | U64(0x06f067aa72176fba), U64(0x0a637dc5a2c898a6), |
| 244 | U64(0x113f9804bef90dae), U64(0x1b710b35131c471b), |
| 245 | U64(0x28db77f523047d84), U64(0x32caab7b40c72493), |
| 246 | U64(0x3c9ebe0a15c9bebc), U64(0x431d67c49c100d4c), |
| 247 | U64(0x4cc5d4becb3e42b6), U64(0x597f299cfc657e2a), |
| 248 | U64(0x5fcb6fab3ad6faec), U64(0x6c44198c4a475817) |
| 249 | }; |
| 250 | |
| 251 | # ifndef PEDANTIC |
| 252 | # if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
| 253 | # if defined(__x86_64) || defined(__x86_64__) |
| 254 | # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| 255 | asm ("rorq %1,%0" \ |
| 256 | : "=r"(ret) \ |
| 257 | : "J"(n),"0"(a) \ |
| 258 | : "cc"); ret; }) |
| 259 | # if !defined(B_ENDIAN) |
| 260 | # define PULL64(x) ({ SHA_LONG64 ret=*((const SHA_LONG64 *)(&(x))); \ |
| 261 | asm ("bswapq %0" \ |
| 262 | : "=r"(ret) \ |
| 263 | : "0"(ret)); ret; }) |
| 264 | # endif |
| 265 | # elif (defined(__i386) || defined(__i386__)) && !defined(B_ENDIAN) |
| 266 | |
| 267 | # define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\ |
| 268 | unsigned int hi=p[0],lo=p[1]; \ |
| 269 | asm ("bswapl %0; bswapl %1;" \ |
| 270 | : "=r"(lo),"=r"(hi) \ |
| 271 | : "0"(lo),"1"(hi)); \ |
| 272 | ((SHA_LONG64)hi)<<32|lo; }) |
| 273 | # elif (defined(_ARCH_PPC) && defined(__64BIT__)) || defined(_ARCH_PPC64) |
| 274 | # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| 275 | asm ("rotrdi %0,%1,%2" \ |
| 276 | : "=r"(ret) \ |
| 277 | : "r"(a),"K"(n)); ret; }) |
| 278 | # elif defined(__aarch64__) |
| 279 | # define ROTR(a,n) ({ SHA_LONG64 ret; \ |
| 280 | asm ("ror %0,%1,%2" \ |
| 281 | : "=r"(ret) \ |
| 282 | : "r"(a),"I"(n)); ret; }) |
| 283 | # if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ |
| 284 | __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ |
| 285 | # define PULL64(x) ({ SHA_LONG64 ret; \ |
| 286 | asm ("rev %0,%1" \ |
| 287 | : "=r"(ret) \ |
| 288 | : "r"(*((const SHA_LONG64 *)(&(x))))); ret; }) |
| 289 | # endif |
| 290 | # endif |
| 291 | # elif defined(_MSC_VER) |
| 292 | # define ROTR(a,n) _rotr64((a),n) |
| 293 | # if defined(_M_IX86) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
| 294 | static SHA_LONG64 __fastcall __pull64be(const void *x) |
| 295 | { |
| 296 | _asm mov edx,[ecx + 0] |
| 297 | _asm mov eax,[ecx + 4] |
| 298 | _asm bswap edx _asm bswap eax |
| 299 | } |
| 300 | # define PULL64(x) __pull64be(&(x)) |
| 301 | # if _MSC_VER<=1200 |
| 302 | # pragma inline_depth(0) |
| 303 | # endif |
| 304 | # endif |
| 305 | # endif |
| 306 | # endif |
| 307 | # ifndef PULL64 |
| 308 | # define B(x,j) (((SHA_LONG64)(*(((const unsigned char *)(&x))+j)))<<((7-j)*8)) |
| 309 | # 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)) |
| 310 | # endif |
| 311 | # ifndef ROTR |
| 312 | # define ROTR(x,s) (((x)>>s) | (x)<<(64-s)) |
| 313 | # endif |
| 314 | # define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39)) |
| 315 | # define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41)) |
| 316 | # define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7)) |
| 317 | # define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6)) |
| 318 | # define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) |
| 319 | # define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) |
| 320 | # if defined(__i386) || defined(__i386__) || defined(_M_IX86) |
| 321 | /* |
| 322 | * This code should give better results on 32-bit CPU with less than |
| 323 | * ~24 registers, both size and performance wise... |
| 324 | */ |
| 325 | |
| 326 | # elif defined(OPENSSL_SMALL_FOOTPRINT) |
| 327 | |
| 328 | # else |
| 329 | # define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \ |
| 330 | T1 += h + Sigma1(e) + Ch(e,f,g) + K512[i]; \ |
| 331 | h = Sigma0(a) + Maj(a,b,c); \ |
| 332 | d += T1; h += T1; } while (0) |
| 333 | # define ROUND_16_80(i,j,a,b,c,d,e,f,g,h,X) do { \ |
| 334 | s0 = X[(j+1)&0x0f]; s0 = sigma0(s0); \ |
| 335 | s1 = X[(j+14)&0x0f]; s1 = sigma1(s1); \ |
| 336 | T1 = X[(j)&0x0f] += s0 + s1 + X[(j+9)&0x0f]; \ |
| 337 | ROUND_00_15(i+j,a,b,c,d,e,f,g,h); } while (0) |
| 338 | |
| 339 | # endif |
| 340 | |
| 341 | # endif /* SHA512_ASM */ |
| 342 | #endif |