diff options
Diffstat (limited to 'nacl/crypto_hashblocks/sha512/inplace/blocks.c')
-rw-r--r-- | nacl/crypto_hashblocks/sha512/inplace/blocks.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/nacl/crypto_hashblocks/sha512/inplace/blocks.c b/nacl/crypto_hashblocks/sha512/inplace/blocks.c new file mode 100644 index 00000000..93791b69 --- /dev/null +++ b/nacl/crypto_hashblocks/sha512/inplace/blocks.c | |||
@@ -0,0 +1,256 @@ | |||
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 | } | ||