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Diffstat (limited to 'nacl/crypto_hashblocks/sha512/ref/blocks.c')
-rw-r--r--nacl/crypto_hashblocks/sha512/ref/blocks.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/nacl/crypto_hashblocks/sha512/ref/blocks.c b/nacl/crypto_hashblocks/sha512/ref/blocks.c
deleted file mode 100644
index f8fae491..00000000
--- a/nacl/crypto_hashblocks/sha512/ref/blocks.c
+++ /dev/null
@@ -1,239 +0,0 @@
1#include "crypto_hashblocks.h"
2
3typedef unsigned long long uint64;
4
5static 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
19static 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(w,k) \
62 T1 = h + Sigma1(e) + Ch(e,f,g) + k + w; \
63 T2 = Sigma0(a) + Maj(a,b,c); \
64 h = g; \
65 g = f; \
66 f = e; \
67 e = d + T1; \
68 d = c; \
69 c = b; \
70 b = a; \
71 a = T1 + T2;
72
73int crypto_hashblocks(unsigned char *statebytes,const unsigned char *in,unsigned long long inlen)
74{
75 uint64 state[8];
76 uint64 a;
77 uint64 b;
78 uint64 c;
79 uint64 d;
80 uint64 e;
81 uint64 f;
82 uint64 g;
83 uint64 h;
84 uint64 T1;
85 uint64 T2;
86
87 a = load_bigendian(statebytes + 0); state[0] = a;
88 b = load_bigendian(statebytes + 8); state[1] = b;
89 c = load_bigendian(statebytes + 16); state[2] = c;
90 d = load_bigendian(statebytes + 24); state[3] = d;
91 e = load_bigendian(statebytes + 32); state[4] = e;
92 f = load_bigendian(statebytes + 40); state[5] = f;
93 g = load_bigendian(statebytes + 48); state[6] = g;
94 h = load_bigendian(statebytes + 56); state[7] = h;
95
96 while (inlen >= 128) {
97 uint64 w0 = load_bigendian(in + 0);
98 uint64 w1 = load_bigendian(in + 8);
99 uint64 w2 = load_bigendian(in + 16);
100 uint64 w3 = load_bigendian(in + 24);
101 uint64 w4 = load_bigendian(in + 32);
102 uint64 w5 = load_bigendian(in + 40);
103 uint64 w6 = load_bigendian(in + 48);
104 uint64 w7 = load_bigendian(in + 56);
105 uint64 w8 = load_bigendian(in + 64);
106 uint64 w9 = load_bigendian(in + 72);
107 uint64 w10 = load_bigendian(in + 80);
108 uint64 w11 = load_bigendian(in + 88);
109 uint64 w12 = load_bigendian(in + 96);
110 uint64 w13 = load_bigendian(in + 104);
111 uint64 w14 = load_bigendian(in + 112);
112 uint64 w15 = load_bigendian(in + 120);
113
114 F(w0 ,0x428a2f98d728ae22ULL)
115 F(w1 ,0x7137449123ef65cdULL)
116 F(w2 ,0xb5c0fbcfec4d3b2fULL)
117 F(w3 ,0xe9b5dba58189dbbcULL)
118 F(w4 ,0x3956c25bf348b538ULL)
119 F(w5 ,0x59f111f1b605d019ULL)
120 F(w6 ,0x923f82a4af194f9bULL)
121 F(w7 ,0xab1c5ed5da6d8118ULL)
122 F(w8 ,0xd807aa98a3030242ULL)
123 F(w9 ,0x12835b0145706fbeULL)
124 F(w10,0x243185be4ee4b28cULL)
125 F(w11,0x550c7dc3d5ffb4e2ULL)
126 F(w12,0x72be5d74f27b896fULL)
127 F(w13,0x80deb1fe3b1696b1ULL)
128 F(w14,0x9bdc06a725c71235ULL)
129 F(w15,0xc19bf174cf692694ULL)
130
131 EXPAND
132
133 F(w0 ,0xe49b69c19ef14ad2ULL)
134 F(w1 ,0xefbe4786384f25e3ULL)
135 F(w2 ,0x0fc19dc68b8cd5b5ULL)
136 F(w3 ,0x240ca1cc77ac9c65ULL)
137 F(w4 ,0x2de92c6f592b0275ULL)
138 F(w5 ,0x4a7484aa6ea6e483ULL)
139 F(w6 ,0x5cb0a9dcbd41fbd4ULL)
140 F(w7 ,0x76f988da831153b5ULL)
141 F(w8 ,0x983e5152ee66dfabULL)
142 F(w9 ,0xa831c66d2db43210ULL)
143 F(w10,0xb00327c898fb213fULL)
144 F(w11,0xbf597fc7beef0ee4ULL)
145 F(w12,0xc6e00bf33da88fc2ULL)
146 F(w13,0xd5a79147930aa725ULL)
147 F(w14,0x06ca6351e003826fULL)
148 F(w15,0x142929670a0e6e70ULL)
149
150 EXPAND
151
152 F(w0 ,0x27b70a8546d22ffcULL)
153 F(w1 ,0x2e1b21385c26c926ULL)
154 F(w2 ,0x4d2c6dfc5ac42aedULL)
155 F(w3 ,0x53380d139d95b3dfULL)
156 F(w4 ,0x650a73548baf63deULL)
157 F(w5 ,0x766a0abb3c77b2a8ULL)
158 F(w6 ,0x81c2c92e47edaee6ULL)
159 F(w7 ,0x92722c851482353bULL)
160 F(w8 ,0xa2bfe8a14cf10364ULL)
161 F(w9 ,0xa81a664bbc423001ULL)
162 F(w10,0xc24b8b70d0f89791ULL)
163 F(w11,0xc76c51a30654be30ULL)
164 F(w12,0xd192e819d6ef5218ULL)
165 F(w13,0xd69906245565a910ULL)
166 F(w14,0xf40e35855771202aULL)
167 F(w15,0x106aa07032bbd1b8ULL)
168
169 EXPAND
170
171 F(w0 ,0x19a4c116b8d2d0c8ULL)
172 F(w1 ,0x1e376c085141ab53ULL)
173 F(w2 ,0x2748774cdf8eeb99ULL)
174 F(w3 ,0x34b0bcb5e19b48a8ULL)
175 F(w4 ,0x391c0cb3c5c95a63ULL)
176 F(w5 ,0x4ed8aa4ae3418acbULL)
177 F(w6 ,0x5b9cca4f7763e373ULL)
178 F(w7 ,0x682e6ff3d6b2b8a3ULL)
179 F(w8 ,0x748f82ee5defb2fcULL)
180 F(w9 ,0x78a5636f43172f60ULL)
181 F(w10,0x84c87814a1f0ab72ULL)
182 F(w11,0x8cc702081a6439ecULL)
183 F(w12,0x90befffa23631e28ULL)
184 F(w13,0xa4506cebde82bde9ULL)
185 F(w14,0xbef9a3f7b2c67915ULL)
186 F(w15,0xc67178f2e372532bULL)
187
188 EXPAND
189
190 F(w0 ,0xca273eceea26619cULL)
191 F(w1 ,0xd186b8c721c0c207ULL)
192 F(w2 ,0xeada7dd6cde0eb1eULL)
193 F(w3 ,0xf57d4f7fee6ed178ULL)
194 F(w4 ,0x06f067aa72176fbaULL)
195 F(w5 ,0x0a637dc5a2c898a6ULL)
196 F(w6 ,0x113f9804bef90daeULL)
197 F(w7 ,0x1b710b35131c471bULL)
198 F(w8 ,0x28db77f523047d84ULL)
199 F(w9 ,0x32caab7b40c72493ULL)
200 F(w10,0x3c9ebe0a15c9bebcULL)
201 F(w11,0x431d67c49c100d4cULL)
202 F(w12,0x4cc5d4becb3e42b6ULL)
203 F(w13,0x597f299cfc657e2aULL)
204 F(w14,0x5fcb6fab3ad6faecULL)
205 F(w15,0x6c44198c4a475817ULL)
206
207 a += state[0];
208 b += state[1];
209 c += state[2];
210 d += state[3];
211 e += state[4];
212 f += state[5];
213 g += state[6];
214 h += state[7];
215
216 state[0] = a;
217 state[1] = b;
218 state[2] = c;
219 state[3] = d;
220 state[4] = e;
221 state[5] = f;
222 state[6] = g;
223 state[7] = h;
224
225 in += 128;
226 inlen -= 128;
227 }
228
229 store_bigendian(statebytes + 0,state[0]);
230 store_bigendian(statebytes + 8,state[1]);
231 store_bigendian(statebytes + 16,state[2]);
232 store_bigendian(statebytes + 24,state[3]);
233 store_bigendian(statebytes + 32,state[4]);
234 store_bigendian(statebytes + 40,state[5]);
235 store_bigendian(statebytes + 48,state[6]);
236 store_bigendian(statebytes + 56,state[7]);
237
238 return 0;
239}
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