1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/sha.h>
58
59 #include <string.h>
60
61 #include <openssl/mem.h>
62
63 #include "../../internal.h"
64
65
66 #if !defined(OPENSSL_NO_ASM) && \
67 (defined(OPENSSL_X86) || defined(OPENSSL_X86_64) || \
68 defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) || \
69 defined(OPENSSL_PPC64LE))
70 #define SHA1_ASM
71 #endif
72
SHA1_Init(SHA_CTX * sha)73 int SHA1_Init(SHA_CTX *sha) {
74 OPENSSL_memset(sha, 0, sizeof(SHA_CTX));
75 sha->h[0] = 0x67452301UL;
76 sha->h[1] = 0xefcdab89UL;
77 sha->h[2] = 0x98badcfeUL;
78 sha->h[3] = 0x10325476UL;
79 sha->h[4] = 0xc3d2e1f0UL;
80 return 1;
81 }
82
SHA1(const uint8_t * data,size_t len,uint8_t * out)83 uint8_t *SHA1(const uint8_t *data, size_t len, uint8_t *out) {
84 SHA_CTX ctx;
85 SHA1_Init(&ctx);
86 SHA1_Update(&ctx, data, len);
87 SHA1_Final(out, &ctx);
88 OPENSSL_cleanse(&ctx, sizeof(ctx));
89 return out;
90 }
91
92 #define DATA_ORDER_IS_BIG_ENDIAN
93
94 #define HASH_CTX SHA_CTX
95 #define HASH_CBLOCK 64
96 #define HASH_MAKE_STRING(c, s) \
97 do { \
98 uint32_t ll; \
99 ll = (c)->h[0]; \
100 HOST_l2c(ll, (s)); \
101 ll = (c)->h[1]; \
102 HOST_l2c(ll, (s)); \
103 ll = (c)->h[2]; \
104 HOST_l2c(ll, (s)); \
105 ll = (c)->h[3]; \
106 HOST_l2c(ll, (s)); \
107 ll = (c)->h[4]; \
108 HOST_l2c(ll, (s)); \
109 } while (0)
110
111 #define HASH_UPDATE SHA1_Update
112 #define HASH_TRANSFORM SHA1_Transform
113 #define HASH_FINAL SHA1_Final
114 #define HASH_BLOCK_DATA_ORDER sha1_block_data_order
115 #define ROTATE(a, n) (((a) << (n)) | ((a) >> (32 - (n))))
116 #define Xupdate(a, ix, ia, ib, ic, id) \
117 do { \
118 (a) = ((ia) ^ (ib) ^ (ic) ^ (id)); \
119 (ix) = (a) = ROTATE((a), 1); \
120 } while (0)
121
122 #ifndef SHA1_ASM
123 static
124 #endif
125 void sha1_block_data_order(uint32_t *state, const uint8_t *data, size_t num);
126
127 #include "../digest/md32_common.h"
128
129 #define K_00_19 0x5a827999UL
130 #define K_20_39 0x6ed9eba1UL
131 #define K_40_59 0x8f1bbcdcUL
132 #define K_60_79 0xca62c1d6UL
133
134 /* As pointed out by Wei Dai <weidai@eskimo.com>, F() below can be simplified
135 * to the code in F_00_19. Wei attributes these optimisations to Peter
136 * Gutmann's SHS code, and he attributes it to Rich Schroeppel. #define
137 * F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) I've just become aware of another
138 * tweak to be made, again from Wei Dai, in F_40_59, (x&a)|(y&a) -> (x|y)&a */
139 #define F_00_19(b, c, d) ((((c) ^ (d)) & (b)) ^ (d))
140 #define F_20_39(b, c, d) ((b) ^ (c) ^ (d))
141 #define F_40_59(b, c, d) (((b) & (c)) | (((b) | (c)) & (d)))
142 #define F_60_79(b, c, d) F_20_39(b, c, d)
143
144 #define BODY_00_15(i, a, b, c, d, e, f, xi) \
145 do { \
146 (f) = (xi) + (e) + K_00_19 + ROTATE((a), 5) + F_00_19((b), (c), (d)); \
147 (b) = ROTATE((b), 30); \
148 } while (0)
149
150 #define BODY_16_19(i, a, b, c, d, e, f, xi, xa, xb, xc, xd) \
151 do { \
152 Xupdate(f, xi, xa, xb, xc, xd); \
153 (f) += (e) + K_00_19 + ROTATE((a), 5) + F_00_19((b), (c), (d)); \
154 (b) = ROTATE((b), 30); \
155 } while (0)
156
157 #define BODY_20_31(i, a, b, c, d, e, f, xi, xa, xb, xc, xd) \
158 do { \
159 Xupdate(f, xi, xa, xb, xc, xd); \
160 (f) += (e) + K_20_39 + ROTATE((a), 5) + F_20_39((b), (c), (d)); \
161 (b) = ROTATE((b), 30); \
162 } while (0)
163
164 #define BODY_32_39(i, a, b, c, d, e, f, xa, xb, xc, xd) \
165 do { \
166 Xupdate(f, xa, xa, xb, xc, xd); \
167 (f) += (e) + K_20_39 + ROTATE((a), 5) + F_20_39((b), (c), (d)); \
168 (b) = ROTATE((b), 30); \
169 } while (0)
170
171 #define BODY_40_59(i, a, b, c, d, e, f, xa, xb, xc, xd) \
172 do { \
173 Xupdate(f, xa, xa, xb, xc, xd); \
174 (f) += (e) + K_40_59 + ROTATE((a), 5) + F_40_59((b), (c), (d)); \
175 (b) = ROTATE((b), 30); \
176 } while (0)
177
178 #define BODY_60_79(i, a, b, c, d, e, f, xa, xb, xc, xd) \
179 do { \
180 Xupdate(f, xa, xa, xb, xc, xd); \
181 (f) = (xa) + (e) + K_60_79 + ROTATE((a), 5) + F_60_79((b), (c), (d)); \
182 (b) = ROTATE((b), 30); \
183 } while (0)
184
185 #ifdef X
186 #undef X
187 #endif
188
189 /* Originally X was an array. As it's automatic it's natural
190 * to expect RISC compiler to accomodate at least part of it in
191 * the register bank, isn't it? Unfortunately not all compilers
192 * "find" this expectation reasonable:-( On order to make such
193 * compilers generate better code I replace X[] with a bunch of
194 * X0, X1, etc. See the function body below...
195 * <appro@fy.chalmers.se> */
196 #define X(i) XX##i
197
198 #if !defined(SHA1_ASM)
sha1_block_data_order(uint32_t * state,const uint8_t * data,size_t num)199 static void sha1_block_data_order(uint32_t *state, const uint8_t *data,
200 size_t num) {
201 register uint32_t A, B, C, D, E, T, l;
202 uint32_t XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10,
203 XX11, XX12, XX13, XX14, XX15;
204
205 A = state[0];
206 B = state[1];
207 C = state[2];
208 D = state[3];
209 E = state[4];
210
211 for (;;) {
212 HOST_c2l(data, l);
213 X(0) = l;
214 HOST_c2l(data, l);
215 X(1) = l;
216 BODY_00_15(0, A, B, C, D, E, T, X(0));
217 HOST_c2l(data, l);
218 X(2) = l;
219 BODY_00_15(1, T, A, B, C, D, E, X(1));
220 HOST_c2l(data, l);
221 X(3) = l;
222 BODY_00_15(2, E, T, A, B, C, D, X(2));
223 HOST_c2l(data, l);
224 X(4) = l;
225 BODY_00_15(3, D, E, T, A, B, C, X(3));
226 HOST_c2l(data, l);
227 X(5) = l;
228 BODY_00_15(4, C, D, E, T, A, B, X(4));
229 HOST_c2l(data, l);
230 X(6) = l;
231 BODY_00_15(5, B, C, D, E, T, A, X(5));
232 HOST_c2l(data, l);
233 X(7) = l;
234 BODY_00_15(6, A, B, C, D, E, T, X(6));
235 HOST_c2l(data, l);
236 X(8) = l;
237 BODY_00_15(7, T, A, B, C, D, E, X(7));
238 HOST_c2l(data, l);
239 X(9) = l;
240 BODY_00_15(8, E, T, A, B, C, D, X(8));
241 HOST_c2l(data, l);
242 X(10) = l;
243 BODY_00_15(9, D, E, T, A, B, C, X(9));
244 HOST_c2l(data, l);
245 X(11) = l;
246 BODY_00_15(10, C, D, E, T, A, B, X(10));
247 HOST_c2l(data, l);
248 X(12) = l;
249 BODY_00_15(11, B, C, D, E, T, A, X(11));
250 HOST_c2l(data, l);
251 X(13) = l;
252 BODY_00_15(12, A, B, C, D, E, T, X(12));
253 HOST_c2l(data, l);
254 X(14) = l;
255 BODY_00_15(13, T, A, B, C, D, E, X(13));
256 HOST_c2l(data, l);
257 X(15) = l;
258 BODY_00_15(14, E, T, A, B, C, D, X(14));
259 BODY_00_15(15, D, E, T, A, B, C, X(15));
260
261 BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13));
262 BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14));
263 BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15));
264 BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0));
265
266 BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1));
267 BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2));
268 BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3));
269 BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4));
270 BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5));
271 BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6));
272 BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7));
273 BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8));
274 BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9));
275 BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10));
276 BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11));
277 BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12));
278
279 BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13));
280 BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14));
281 BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15));
282 BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0));
283 BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1));
284 BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2));
285 BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3));
286 BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4));
287
288 BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5));
289 BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6));
290 BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7));
291 BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8));
292 BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9));
293 BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10));
294 BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11));
295 BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12));
296 BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13));
297 BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14));
298 BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15));
299 BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0));
300 BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1));
301 BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2));
302 BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3));
303 BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4));
304 BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5));
305 BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6));
306 BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7));
307 BODY_40_59(59, B, C, D, E, T, A, X(11), X(13), X(3), X(8));
308
309 BODY_60_79(60, A, B, C, D, E, T, X(12), X(14), X(4), X(9));
310 BODY_60_79(61, T, A, B, C, D, E, X(13), X(15), X(5), X(10));
311 BODY_60_79(62, E, T, A, B, C, D, X(14), X(0), X(6), X(11));
312 BODY_60_79(63, D, E, T, A, B, C, X(15), X(1), X(7), X(12));
313 BODY_60_79(64, C, D, E, T, A, B, X(0), X(2), X(8), X(13));
314 BODY_60_79(65, B, C, D, E, T, A, X(1), X(3), X(9), X(14));
315 BODY_60_79(66, A, B, C, D, E, T, X(2), X(4), X(10), X(15));
316 BODY_60_79(67, T, A, B, C, D, E, X(3), X(5), X(11), X(0));
317 BODY_60_79(68, E, T, A, B, C, D, X(4), X(6), X(12), X(1));
318 BODY_60_79(69, D, E, T, A, B, C, X(5), X(7), X(13), X(2));
319 BODY_60_79(70, C, D, E, T, A, B, X(6), X(8), X(14), X(3));
320 BODY_60_79(71, B, C, D, E, T, A, X(7), X(9), X(15), X(4));
321 BODY_60_79(72, A, B, C, D, E, T, X(8), X(10), X(0), X(5));
322 BODY_60_79(73, T, A, B, C, D, E, X(9), X(11), X(1), X(6));
323 BODY_60_79(74, E, T, A, B, C, D, X(10), X(12), X(2), X(7));
324 BODY_60_79(75, D, E, T, A, B, C, X(11), X(13), X(3), X(8));
325 BODY_60_79(76, C, D, E, T, A, B, X(12), X(14), X(4), X(9));
326 BODY_60_79(77, B, C, D, E, T, A, X(13), X(15), X(5), X(10));
327 BODY_60_79(78, A, B, C, D, E, T, X(14), X(0), X(6), X(11));
328 BODY_60_79(79, T, A, B, C, D, E, X(15), X(1), X(7), X(12));
329
330 state[0] = (state[0] + E) & 0xffffffffL;
331 state[1] = (state[1] + T) & 0xffffffffL;
332 state[2] = (state[2] + A) & 0xffffffffL;
333 state[3] = (state[3] + B) & 0xffffffffL;
334 state[4] = (state[4] + C) & 0xffffffffL;
335
336 if (--num == 0) {
337 break;
338 }
339
340 A = state[0];
341 B = state[1];
342 C = state[2];
343 D = state[3];
344 E = state[4];
345 }
346 }
347 #endif
348
349 #undef DATA_ORDER_IS_BIG_ENDIAN
350 #undef HASH_CTX
351 #undef HASH_CBLOCK
352 #undef HASH_MAKE_STRING
353 #undef HASH_UPDATE
354 #undef HASH_TRANSFORM
355 #undef HASH_FINAL
356 #undef HASH_BLOCK_DATA_ORDER
357 #undef ROTATE
358 #undef Xupdate
359 #undef K_00_19
360 #undef K_20_39
361 #undef K_40_59
362 #undef K_60_79
363 #undef F_00_19
364 #undef F_20_39
365 #undef F_40_59
366 #undef F_60_79
367 #undef BODY_00_15
368 #undef BODY_16_19
369 #undef BODY_20_31
370 #undef BODY_32_39
371 #undef BODY_40_59
372 #undef BODY_60_79
373 #undef X
374 #undef HOST_c2l
375 #undef HOST_l2c
376