release/src/router/dnscrypt/src/libnacl/crypto_hashblocks/sha512/inplace/blocks.c

   1 #include "crypto_hashblocks.h"
   2
   3 typedef unsigned long long uint64;
   4
   5 static uint64 load_bigendian(const unsigned char *x)
   6 {
   7   return
   8       (uint64) (x[7]) \
   9   | (((uint64) (x[6])) << 8) \
  10   | (((uint64) (x[5])) << 16) \
  11   | (((uint64) (x[4])) << 24) \
  12   | (((uint64) (x[3])) << 32) \
  13   | (((uint64) (x[2])) << 40) \
  14   | (((uint64) (x[1])) << 48) \
  15   | (((uint64) (x[0])) << 56)
  16   ;
  17 }
  18
  19 static void store_bigendian(unsigned char *x,uint64 u)
  20 {
  21   x[7] = u; u >>= 8;
  22   x[6] = u; u >>= 8;
  23   x[5] = u; u >>= 8;
  24   x[4] = u; u >>= 8;
  25   x[3] = u; u >>= 8;
  26   x[2] = u; u >>= 8;
  27   x[1] = u; u >>= 8;
  28   x[0] = u;
  29 }
  30
  31 #define SHR(x,c) ((x) >> (c))
  32 #define ROTR(x,c) (((x) >> (c)) | ((x) << (64 - (c))))
  33
  34 #define Ch(x,y,z) ((x & y) ^ (~x & z))
  35 #define Maj(x,y,z) ((x & y) ^ (x & z) ^ (y & z))
  36 #define Sigma0(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
  37 #define Sigma1(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
  38 #define sigma0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x,7))
  39 #define sigma1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x,6))
  40
  41 #define M(w0,w14,w9,w1) w0 = sigma1(w14) + w9 + sigma0(w1) + w0;
  42
  43 #define EXPAND \
  44   M(w0 ,w14,w9 ,w1 ) \
  45   M(w1 ,w15,w10,w2 ) \
  46   M(w2 ,w0 ,w11,w3 ) \
  47   M(w3 ,w1 ,w12,w4 ) \
  48   M(w4 ,w2 ,w13,w5 ) \
  49   M(w5 ,w3 ,w14,w6 ) \
  50   M(w6 ,w4 ,w15,w7 ) \
  51   M(w7 ,w5 ,w0 ,w8 ) \
  52   M(w8 ,w6 ,w1 ,w9 ) \
  53   M(w9 ,w7 ,w2 ,w10) \
  54   M(w10,w8 ,w3 ,w11) \
  55   M(w11,w9 ,w4 ,w12) \
  56   M(w12,w10,w5 ,w13) \
  57   M(w13,w11,w6 ,w14) \
  58   M(w14,w12,w7 ,w15) \
  59   M(w15,w13,w8 ,w0 )
  60
  61 #define F(r0,r1,r2,r3,r4,r5,r6,r7,w,k) \
  62   r7 += Sigma1(r4) + Ch(r4,r5,r6) + k + w; \
  63   r3 += r7; \
  64   r7 += Sigma0(r0) + Maj(r0,r1,r2);
  65
  66 #define G(r0,r1,r2,r3,r4,r5,r6,r7,i) \
  67   F(r0,r1,r2,r3,r4,r5,r6,r7,w0 ,round[i + 0]) \
  68   F(r7,r0,r1,r2,r3,r4,r5,r6,w1 ,round[i + 1]) \
  69   F(r6,r7,r0,r1,r2,r3,r4,r5,w2 ,round[i + 2]) \
  70   F(r5,r6,r7,r0,r1,r2,r3,r4,w3 ,round[i + 3]) \
  71   F(r4,r5,r6,r7,r0,r1,r2,r3,w4 ,round[i + 4]) \
  72   F(r3,r4,r5,r6,r7,r0,r1,r2,w5 ,round[i + 5]) \
  73   F(r2,r3,r4,r5,r6,r7,r0,r1,w6 ,round[i + 6]) \
  74   F(r1,r2,r3,r4,r5,r6,r7,r0,w7 ,round[i + 7]) \
  75   F(r0,r1,r2,r3,r4,r5,r6,r7,w8 ,round[i + 8]) \
  76   F(r7,r0,r1,r2,r3,r4,r5,r6,w9 ,round[i + 9]) \
  77   F(r6,r7,r0,r1,r2,r3,r4,r5,w10,round[i + 10]) \
  78   F(r5,r6,r7,r0,r1,r2,r3,r4,w11,round[i + 11]) \
  79   F(r4,r5,r6,r7,r0,r1,r2,r3,w12,round[i + 12]) \
  80   F(r3,r4,r5,r6,r7,r0,r1,r2,w13,round[i + 13]) \
  81   F(r2,r3,r4,r5,r6,r7,r0,r1,w14,round[i + 14]) \
  82   F(r1,r2,r3,r4,r5,r6,r7,r0,w15,round[i + 15])
  83
  84 static const uint64 round[80] = {
  85   0x428a2f98d728ae22ULL
  86 , 0x7137449123ef65cdULL
  87 , 0xb5c0fbcfec4d3b2fULL
  88 , 0xe9b5dba58189dbbcULL
  89 , 0x3956c25bf348b538ULL
  90 , 0x59f111f1b605d019ULL
  91 , 0x923f82a4af194f9bULL
  92 , 0xab1c5ed5da6d8118ULL
  93 , 0xd807aa98a3030242ULL
  94 , 0x12835b0145706fbeULL
  95 , 0x243185be4ee4b28cULL
  96 , 0x550c7dc3d5ffb4e2ULL
  97 , 0x72be5d74f27b896fULL
  98 , 0x80deb1fe3b1696b1ULL
  99 , 0x9bdc06a725c71235ULL
 100 , 0xc19bf174cf692694ULL
 101 , 0xe49b69c19ef14ad2ULL
 102 , 0xefbe4786384f25e3ULL
 103 , 0x0fc19dc68b8cd5b5ULL
 104 , 0x240ca1cc77ac9c65ULL
 105 , 0x2de92c6f592b0275ULL
 106 , 0x4a7484aa6ea6e483ULL
 107 , 0x5cb0a9dcbd41fbd4ULL
 108 , 0x76f988da831153b5ULL
 109 , 0x983e5152ee66dfabULL
 110 , 0xa831c66d2db43210ULL
 111 , 0xb00327c898fb213fULL
 112 , 0xbf597fc7beef0ee4ULL
 113 , 0xc6e00bf33da88fc2ULL
 114 , 0xd5a79147930aa725ULL
 115 , 0x06ca6351e003826fULL
 116 , 0x142929670a0e6e70ULL
 117 , 0x27b70a8546d22ffcULL
 118 , 0x2e1b21385c26c926ULL
 119 , 0x4d2c6dfc5ac42aedULL
 120 , 0x53380d139d95b3dfULL
 121 , 0x650a73548baf63deULL
 122 , 0x766a0abb3c77b2a8ULL
 123 , 0x81c2c92e47edaee6ULL
 124 , 0x92722c851482353bULL
 125 , 0xa2bfe8a14cf10364ULL
 126 , 0xa81a664bbc423001ULL
 127 , 0xc24b8b70d0f89791ULL
 128 , 0xc76c51a30654be30ULL
 129 , 0xd192e819d6ef5218ULL
 130 , 0xd69906245565a910ULL
 131 , 0xf40e35855771202aULL
 132 , 0x106aa07032bbd1b8ULL
 133 , 0x19a4c116b8d2d0c8ULL
 134 , 0x1e376c085141ab53ULL
 135 , 0x2748774cdf8eeb99ULL
 136 , 0x34b0bcb5e19b48a8ULL
 137 , 0x391c0cb3c5c95a63ULL
 138 , 0x4ed8aa4ae3418acbULL
 139 , 0x5b9cca4f7763e373ULL
 140 , 0x682e6ff3d6b2b8a3ULL
 141 , 0x748f82ee5defb2fcULL
 142 , 0x78a5636f43172f60ULL
 143 , 0x84c87814a1f0ab72ULL
 144 , 0x8cc702081a6439ecULL
 145 , 0x90befffa23631e28ULL
 146 , 0xa4506cebde82bde9ULL
 147 , 0xbef9a3f7b2c67915ULL
 148 , 0xc67178f2e372532bULL
 149 , 0xca273eceea26619cULL
 150 , 0xd186b8c721c0c207ULL
 151 , 0xeada7dd6cde0eb1eULL
 152 , 0xf57d4f7fee6ed178ULL
 153 , 0x06f067aa72176fbaULL
 154 , 0x0a637dc5a2c898a6ULL
 155 , 0x113f9804bef90daeULL
 156 , 0x1b710b35131c471bULL
 157 , 0x28db77f523047d84ULL
 158 , 0x32caab7b40c72493ULL
 159 , 0x3c9ebe0a15c9bebcULL
 160 , 0x431d67c49c100d4cULL
 161 , 0x4cc5d4becb3e42b6ULL
 162 , 0x597f299cfc657e2aULL
 163 , 0x5fcb6fab3ad6faecULL
 164 , 0x6c44198c4a475817ULL
 165 };
 166
 167 int crypto_hashblocks(unsigned char *statebytes,const unsigned char *in,unsigned long long inlen)
 168 {
 169   uint64 state[8];
 170   uint64 r0;
 171   uint64 r1;
 172   uint64 r2;
 173   uint64 r3;
 174   uint64 r4;
 175   uint64 r5;
 176   uint64 r6;
 177   uint64 r7;
 178
 179   r0 = load_bigendian(statebytes +  0); state[0] = r0;
 180   r1 = load_bigendian(statebytes +  8); state[1] = r1;
 181   r2 = load_bigendian(statebytes + 16); state[2] = r2;
 182   r3 = load_bigendian(statebytes + 24); state[3] = r3;
 183   r4 = load_bigendian(statebytes + 32); state[4] = r4;
 184   r5 = load_bigendian(statebytes + 40); state[5] = r5;
 185   r6 = load_bigendian(statebytes + 48); state[6] = r6;
 186   r7 = load_bigendian(statebytes + 56); state[7] = r7;
 187
 188   while (inlen >= 128) {
 189     uint64 w0  = load_bigendian(in +   0);
 190     uint64 w1  = load_bigendian(in +   8);
 191     uint64 w2  = load_bigendian(in +  16);
 192     uint64 w3  = load_bigendian(in +  24);
 193     uint64 w4  = load_bigendian(in +  32);
 194     uint64 w5  = load_bigendian(in +  40);
 195     uint64 w6  = load_bigendian(in +  48);
 196     uint64 w7  = load_bigendian(in +  56);
 197     uint64 w8  = load_bigendian(in +  64);
 198     uint64 w9  = load_bigendian(in +  72);
 199     uint64 w10 = load_bigendian(in +  80);
 200     uint64 w11 = load_bigendian(in +  88);
 201     uint64 w12 = load_bigendian(in +  96);
 202     uint64 w13 = load_bigendian(in + 104);
 203     uint64 w14 = load_bigendian(in + 112);
 204     uint64 w15 = load_bigendian(in + 120);
 205
 206     G(r0,r1,r2,r3,r4,r5,r6,r7,0)
 207
 208     EXPAND
 209
 210     G(r0,r1,r2,r3,r4,r5,r6,r7,16)
 211
 212     EXPAND
 213
 214     G(r0,r1,r2,r3,r4,r5,r6,r7,32)
 215
 216     EXPAND
 217
 218     G(r0,r1,r2,r3,r4,r5,r6,r7,48)
 219
 220     EXPAND
 221
 222     G(r0,r1,r2,r3,r4,r5,r6,r7,64)
 223
 224     r0 += state[0];
 225     r1 += state[1];
 226     r2 += state[2];
 227     r3 += state[3];
 228     r4 += state[4];
 229     r5 += state[5];
 230     r6 += state[6];
 231     r7 += state[7];
 232
 233     state[0] = r0;
 234     state[1] = r1;
 235     state[2] = r2;
 236     state[3] = r3;
 237     state[4] = r4;
 238     state[5] = r5;
 239     state[6] = r6;
 240     state[7] = r7;
 241
 242     in += 128;
 243     inlen -= 128;
 244   }
 245
 246   store_bigendian(statebytes +  0,state[0]);
 247   store_bigendian(statebytes +  8,state[1]);
 248   store_bigendian(statebytes + 16,state[2]);
 249   store_bigendian(statebytes + 24,state[3]);
 250   store_bigendian(statebytes + 32,state[4]);
 251   store_bigendian(statebytes + 40,state[5]);
 252   store_bigendian(statebytes + 48,state[6]);
 253   store_bigendian(statebytes + 56,state[7]);
 254
 255   return 0;
 256 }