webservices: Add support for union types in the writer.
[wine.git] / dlls / bcrypt / sha512.c
blob145b61b659a96d0041ad85082ab3c675f207f119
1 /*
2 * Copyright 2016 Michael Müller
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 /* Based on public domain implementation from
21 https://git.musl-libc.org/cgit/musl/tree/src/crypt/crypt_sha512.c */
23 #include "bcrypt_internal.h"
25 static ULONG64 ror(ULONG64 n, int k) { return (n >> k) | (n << (64-k)); }
26 #define Ch(x,y,z) (z ^ (x & (y ^ z)))
27 #define Maj(x,y,z) ((x & y) | (z & (x | y)))
28 #define S0(x) (ror(x,28) ^ ror(x,34) ^ ror(x,39))
29 #define S1(x) (ror(x,14) ^ ror(x,18) ^ ror(x,41))
30 #define R0(x) (ror(x,1) ^ ror(x,8) ^ (x>>7))
31 #define R1(x) (ror(x,19) ^ ror(x,61) ^ (x>>6))
32 #define ULL(a,b) (((ULONG64)(a) << 32) | (b))
34 static const ULONG64 K[80] =
36 ULL(0x428a2f98,0xd728ae22), ULL(0x71374491,0x23ef65cd), ULL(0xb5c0fbcf,0xec4d3b2f), ULL(0xe9b5dba5,0x8189dbbc),
37 ULL(0x3956c25b,0xf348b538), ULL(0x59f111f1,0xb605d019), ULL(0x923f82a4,0xaf194f9b), ULL(0xab1c5ed5,0xda6d8118),
38 ULL(0xd807aa98,0xa3030242), ULL(0x12835b01,0x45706fbe), ULL(0x243185be,0x4ee4b28c), ULL(0x550c7dc3,0xd5ffb4e2),
39 ULL(0x72be5d74,0xf27b896f), ULL(0x80deb1fe,0x3b1696b1), ULL(0x9bdc06a7,0x25c71235), ULL(0xc19bf174,0xcf692694),
40 ULL(0xe49b69c1,0x9ef14ad2), ULL(0xefbe4786,0x384f25e3), ULL(0x0fc19dc6,0x8b8cd5b5), ULL(0x240ca1cc,0x77ac9c65),
41 ULL(0x2de92c6f,0x592b0275), ULL(0x4a7484aa,0x6ea6e483), ULL(0x5cb0a9dc,0xbd41fbd4), ULL(0x76f988da,0x831153b5),
42 ULL(0x983e5152,0xee66dfab), ULL(0xa831c66d,0x2db43210), ULL(0xb00327c8,0x98fb213f), ULL(0xbf597fc7,0xbeef0ee4),
43 ULL(0xc6e00bf3,0x3da88fc2), ULL(0xd5a79147,0x930aa725), ULL(0x06ca6351,0xe003826f), ULL(0x14292967,0x0a0e6e70),
44 ULL(0x27b70a85,0x46d22ffc), ULL(0x2e1b2138,0x5c26c926), ULL(0x4d2c6dfc,0x5ac42aed), ULL(0x53380d13,0x9d95b3df),
45 ULL(0x650a7354,0x8baf63de), ULL(0x766a0abb,0x3c77b2a8), ULL(0x81c2c92e,0x47edaee6), ULL(0x92722c85,0x1482353b),
46 ULL(0xa2bfe8a1,0x4cf10364), ULL(0xa81a664b,0xbc423001), ULL(0xc24b8b70,0xd0f89791), ULL(0xc76c51a3,0x0654be30),
47 ULL(0xd192e819,0xd6ef5218), ULL(0xd6990624,0x5565a910), ULL(0xf40e3585,0x5771202a), ULL(0x106aa070,0x32bbd1b8),
48 ULL(0x19a4c116,0xb8d2d0c8), ULL(0x1e376c08,0x5141ab53), ULL(0x2748774c,0xdf8eeb99), ULL(0x34b0bcb5,0xe19b48a8),
49 ULL(0x391c0cb3,0xc5c95a63), ULL(0x4ed8aa4a,0xe3418acb), ULL(0x5b9cca4f,0x7763e373), ULL(0x682e6ff3,0xd6b2b8a3),
50 ULL(0x748f82ee,0x5defb2fc), ULL(0x78a5636f,0x43172f60), ULL(0x84c87814,0xa1f0ab72), ULL(0x8cc70208,0x1a6439ec),
51 ULL(0x90befffa,0x23631e28), ULL(0xa4506ceb,0xde82bde9), ULL(0xbef9a3f7,0xb2c67915), ULL(0xc67178f2,0xe372532b),
52 ULL(0xca273ece,0xea26619c), ULL(0xd186b8c7,0x21c0c207), ULL(0xeada7dd6,0xcde0eb1e), ULL(0xf57d4f7f,0xee6ed178),
53 ULL(0x06f067aa,0x72176fba), ULL(0x0a637dc5,0xa2c898a6), ULL(0x113f9804,0xbef90dae), ULL(0x1b710b35,0x131c471b),
54 ULL(0x28db77f5,0x23047d84), ULL(0x32caab7b,0x40c72493), ULL(0x3c9ebe0a,0x15c9bebc), ULL(0x431d67c4,0x9c100d4c),
55 ULL(0x4cc5d4be,0xcb3e42b6), ULL(0x597f299c,0xfc657e2a), ULL(0x5fcb6fab,0x3ad6faec), ULL(0x6c44198c,0x4a475817)
58 static void processblock(SHA512_CTX *ctx, const UCHAR *buffer)
60 ULONG64 W[80], t1, t2, a, b, c, d, e, f, g, h;
61 int i;
63 for (i = 0; i < 16; i++)
65 W[i] = (ULONG64)buffer[8*i]<<56;
66 W[i] |= (ULONG64)buffer[8*i+1]<<48;
67 W[i] |= (ULONG64)buffer[8*i+2]<<40;
68 W[i] |= (ULONG64)buffer[8*i+3]<<32;
69 W[i] |= (ULONG64)buffer[8*i+4]<<24;
70 W[i] |= (ULONG64)buffer[8*i+5]<<16;
71 W[i] |= (ULONG64)buffer[8*i+6]<<8;
72 W[i] |= buffer[8*i+7];
75 for (; i < 80; i++)
76 W[i] = R1(W[i-2]) + W[i-7] + R0(W[i-15]) + W[i-16];
78 a = ctx->h[0];
79 b = ctx->h[1];
80 c = ctx->h[2];
81 d = ctx->h[3];
82 e = ctx->h[4];
83 f = ctx->h[5];
84 g = ctx->h[6];
85 h = ctx->h[7];
87 for (i = 0; i < 80; i++)
89 t1 = h + S1(e) + Ch(e,f,g) + K[i] + W[i];
90 t2 = S0(a) + Maj(a,b,c);
91 h = g;
92 g = f;
93 f = e;
94 e = d + t1;
95 d = c;
96 c = b;
97 b = a;
98 a = t1 + t2;
101 ctx->h[0] += a;
102 ctx->h[1] += b;
103 ctx->h[2] += c;
104 ctx->h[3] += d;
105 ctx->h[4] += e;
106 ctx->h[5] += f;
107 ctx->h[6] += g;
108 ctx->h[7] += h;
111 static void pad(SHA512_CTX *ctx)
113 ULONG64 r = ctx->len % 128;
115 ctx->buf[r++] = 0x80;
116 if (r > 112)
118 memset(ctx->buf + r, 0, 128 - r);
119 r = 0;
120 processblock(ctx, ctx->buf);
123 memset(ctx->buf + r, 0, 120 - r);
124 ctx->len *= 8;
125 ctx->buf[120] = ctx->len >> 56;
126 ctx->buf[121] = ctx->len >> 48;
127 ctx->buf[122] = ctx->len >> 40;
128 ctx->buf[123] = ctx->len >> 32;
129 ctx->buf[124] = ctx->len >> 24;
130 ctx->buf[125] = ctx->len >> 16;
131 ctx->buf[126] = ctx->len >> 8;
132 ctx->buf[127] = ctx->len;
134 processblock(ctx, ctx->buf);
137 void sha512_init(SHA512_CTX *ctx)
139 ctx->len = 0;
140 ctx->h[0] = ULL(0x6a09e667,0xf3bcc908);
141 ctx->h[1] = ULL(0xbb67ae85,0x84caa73b);
142 ctx->h[2] = ULL(0x3c6ef372,0xfe94f82b);
143 ctx->h[3] = ULL(0xa54ff53a,0x5f1d36f1);
144 ctx->h[4] = ULL(0x510e527f,0xade682d1);
145 ctx->h[5] = ULL(0x9b05688c,0x2b3e6c1f);
146 ctx->h[6] = ULL(0x1f83d9ab,0xfb41bd6b);
147 ctx->h[7] = ULL(0x5be0cd19,0x137e2179);
150 void sha512_update(SHA512_CTX *ctx, const UCHAR *buffer, ULONG len)
152 const UCHAR *p = buffer;
153 unsigned r = ctx->len % 128;
155 ctx->len += len;
156 if (r)
158 if (len < 128 - r)
160 memcpy(ctx->buf + r, p, len);
161 return;
163 memcpy(ctx->buf + r, p, 128 - r);
164 len -= 128 - r;
165 p += 128 - r;
166 processblock(ctx, ctx->buf);
169 for (; len >= 128; len -= 128, p += 128)
170 processblock(ctx, p);
172 memcpy(ctx->buf, p, len);
175 void sha512_finalize(SHA512_CTX *ctx, UCHAR *buffer)
177 int i;
179 pad(ctx);
180 for (i = 0; i < 8; i++)
182 buffer[8*i] = ctx->h[i] >> 56;
183 buffer[8*i+1] = ctx->h[i] >> 48;
184 buffer[8*i+2] = ctx->h[i] >> 40;
185 buffer[8*i+3] = ctx->h[i] >> 32;
186 buffer[8*i+4] = ctx->h[i] >> 24;
187 buffer[8*i+5] = ctx->h[i] >> 16;
188 buffer[8*i+6] = ctx->h[i] >> 8;
189 buffer[8*i+7] = ctx->h[i];
193 void sha384_init(SHA512_CTX *ctx)
195 ctx->len = 0;
196 ctx->h[0] = ULL(0xcbbb9d5d,0xc1059ed8);
197 ctx->h[1] = ULL(0x629a292a,0x367cd507);
198 ctx->h[2] = ULL(0x9159015a,0x3070dd17);
199 ctx->h[3] = ULL(0x152fecd8,0xf70e5939);
200 ctx->h[4] = ULL(0x67332667,0xffc00b31);
201 ctx->h[5] = ULL(0x8eb44a87,0x68581511);
202 ctx->h[6] = ULL(0xdb0c2e0d,0x64f98fa7);
203 ctx->h[7] = ULL(0x47b5481d,0xbefa4fa4);
206 void sha384_finalize(SHA512_CTX *ctx, UCHAR *buffer)
208 UCHAR buffer512[64];
210 sha512_finalize(ctx, buffer512);
211 memcpy(buffer, buffer512, 48);