1 | /*************************************************************************** |
2 | * _ _ ____ _ |
3 | * Project ___| | | | _ \| | |
4 | * / __| | | | |_) | | |
5 | * | (__| |_| | _ <| |___ |
6 | * \___|\___/|_| \_\_____| |
7 | * |
8 | * Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al. |
9 | * |
10 | * This software is licensed as described in the file COPYING, which |
11 | * you should have received as part of this distribution. The terms |
12 | * are also available at https://curl.se/docs/copyright.html. |
13 | * |
14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
15 | * copies of the Software, and permit persons to whom the Software is |
16 | * furnished to do so, under the terms of the COPYING file. |
17 | * |
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
19 | * KIND, either express or implied. |
20 | * |
21 | * SPDX-License-Identifier: curl |
22 | * |
23 | ***************************************************************************/ |
24 | |
25 | #include "curl_setup.h" |
26 | |
27 | #ifndef CURL_DISABLE_CRYPTO_AUTH |
28 | |
29 | #include <curl/curl.h> |
30 | |
31 | #include "curl_md5.h" |
32 | #include "curl_hmac.h" |
33 | #include "warnless.h" |
34 | |
35 | #ifdef USE_MBEDTLS |
36 | #include <mbedtls/version.h> |
37 | |
38 | #if(MBEDTLS_VERSION_NUMBER >= 0x02070000) && \ |
39 | (MBEDTLS_VERSION_NUMBER < 0x03000000) |
40 | #define HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS |
41 | #endif |
42 | #endif /* USE_MBEDTLS */ |
43 | |
44 | #ifdef USE_OPENSSL |
45 | #include <openssl/opensslconf.h> |
46 | #if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_DEPRECATED_3_0) |
47 | #define USE_OPENSSL_MD5 |
48 | #endif |
49 | #endif |
50 | |
51 | #ifdef USE_WOLFSSL |
52 | #include <wolfssl/options.h> |
53 | #ifndef NO_MD5 |
54 | #define USE_WOLFSSL_MD5 |
55 | #endif |
56 | #endif |
57 | |
58 | #if defined(USE_GNUTLS) |
59 | |
60 | #include <nettle/md5.h> |
61 | #include "curl_memory.h" |
62 | /* The last #include file should be: */ |
63 | #include "memdebug.h" |
64 | |
65 | typedef struct md5_ctx my_md5_ctx; |
66 | |
67 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
68 | { |
69 | md5_init(ctx); |
70 | return CURLE_OK; |
71 | } |
72 | |
73 | static void my_md5_update(my_md5_ctx *ctx, |
74 | const unsigned char *input, |
75 | unsigned int inputLen) |
76 | { |
77 | md5_update(ctx, inputLen, input); |
78 | } |
79 | |
80 | static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) |
81 | { |
82 | md5_digest(ctx, 16, digest); |
83 | } |
84 | |
85 | #elif defined(USE_OPENSSL_MD5) || defined(USE_WOLFSSL_MD5) |
86 | |
87 | /* When OpenSSL or wolfSSL is available, we use their MD5 functions. */ |
88 | #if defined(USE_OPENSSL_MD5) |
89 | #include <openssl/md5.h> |
90 | #elif defined(USE_WOLFSSL_MD5) |
91 | #include <wolfssl/openssl/md5.h> |
92 | #endif |
93 | |
94 | #include "curl_memory.h" |
95 | /* The last #include file should be: */ |
96 | #include "memdebug.h" |
97 | |
98 | typedef MD5_CTX my_md5_ctx; |
99 | |
100 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
101 | { |
102 | if(!MD5_Init(ctx)) |
103 | return CURLE_OUT_OF_MEMORY; |
104 | |
105 | return CURLE_OK; |
106 | } |
107 | |
108 | static void my_md5_update(my_md5_ctx *ctx, |
109 | const unsigned char *input, |
110 | unsigned int len) |
111 | { |
112 | (void)MD5_Update(ctx, input, len); |
113 | } |
114 | |
115 | static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) |
116 | { |
117 | (void)MD5_Final(digest, ctx); |
118 | } |
119 | |
120 | #elif defined(USE_MBEDTLS) |
121 | |
122 | #include <mbedtls/md5.h> |
123 | |
124 | #include "curl_memory.h" |
125 | |
126 | /* The last #include file should be: */ |
127 | #include "memdebug.h" |
128 | |
129 | typedef mbedtls_md5_context my_md5_ctx; |
130 | |
131 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
132 | { |
133 | #if (MBEDTLS_VERSION_NUMBER >= 0x03000000) |
134 | if(mbedtls_md5_starts(ctx)) |
135 | return CURLE_OUT_OF_MEMORY; |
136 | #elif defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) |
137 | if(mbedtls_md5_starts_ret(ctx)) |
138 | return CURLE_OUT_OF_MEMORY; |
139 | #else |
140 | (void)mbedtls_md5_starts(ctx); |
141 | #endif |
142 | return CURLE_OK; |
143 | } |
144 | |
145 | static void my_md5_update(my_md5_ctx *ctx, |
146 | const unsigned char *data, |
147 | unsigned int length) |
148 | { |
149 | #if !defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) |
150 | (void) mbedtls_md5_update(ctx, data, length); |
151 | #else |
152 | (void) mbedtls_md5_update_ret(ctx, data, length); |
153 | #endif |
154 | } |
155 | |
156 | static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) |
157 | { |
158 | #if !defined(HAS_MBEDTLS_RESULT_CODE_BASED_FUNCTIONS) |
159 | (void) mbedtls_md5_finish(ctx, digest); |
160 | #else |
161 | (void) mbedtls_md5_finish_ret(ctx, digest); |
162 | #endif |
163 | } |
164 | |
165 | #elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \ |
166 | (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040) && \ |
167 | defined(__MAC_OS_X_VERSION_MIN_ALLOWED) && \ |
168 | (__MAC_OS_X_VERSION_MIN_ALLOWED < 101500)) || \ |
169 | (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \ |
170 | (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000)) |
171 | |
172 | /* For Apple operating systems: CommonCrypto has the functions we need. |
173 | These functions are available on Tiger and later, as well as iOS 2.0 |
174 | and later. If you're building for an older cat, well, sorry. |
175 | |
176 | Declaring the functions as static like this seems to be a bit more |
177 | reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */ |
178 | # include <CommonCrypto/CommonDigest.h> |
179 | # define my_md5_ctx CC_MD5_CTX |
180 | #include "curl_memory.h" |
181 | /* The last #include file should be: */ |
182 | #include "memdebug.h" |
183 | |
184 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
185 | { |
186 | if(!CC_MD5_Init(ctx)) |
187 | return CURLE_OUT_OF_MEMORY; |
188 | |
189 | return CURLE_OK; |
190 | } |
191 | |
192 | static void my_md5_update(my_md5_ctx *ctx, |
193 | const unsigned char *input, |
194 | unsigned int inputLen) |
195 | { |
196 | CC_MD5_Update(ctx, input, inputLen); |
197 | } |
198 | |
199 | static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) |
200 | { |
201 | CC_MD5_Final(digest, ctx); |
202 | } |
203 | |
204 | #elif defined(USE_WIN32_CRYPTO) |
205 | |
206 | #include <wincrypt.h> |
207 | #include "curl_memory.h" |
208 | /* The last #include file should be: */ |
209 | #include "memdebug.h" |
210 | |
211 | struct md5_ctx { |
212 | HCRYPTPROV hCryptProv; |
213 | HCRYPTHASH hHash; |
214 | }; |
215 | typedef struct md5_ctx my_md5_ctx; |
216 | |
217 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
218 | { |
219 | if(!CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL, |
220 | CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) |
221 | return CURLE_OUT_OF_MEMORY; |
222 | |
223 | if(!CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash)) { |
224 | CryptReleaseContext(ctx->hCryptProv, 0); |
225 | return CURLE_OUT_OF_MEMORY; |
226 | } |
227 | |
228 | return CURLE_OK; |
229 | } |
230 | |
231 | static void my_md5_update(my_md5_ctx *ctx, |
232 | const unsigned char *input, |
233 | unsigned int inputLen) |
234 | { |
235 | CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0); |
236 | } |
237 | |
238 | static void my_md5_final(unsigned char *digest, my_md5_ctx *ctx) |
239 | { |
240 | unsigned long length = 0; |
241 | CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0); |
242 | if(length == 16) |
243 | CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0); |
244 | if(ctx->hHash) |
245 | CryptDestroyHash(ctx->hHash); |
246 | if(ctx->hCryptProv) |
247 | CryptReleaseContext(ctx->hCryptProv, 0); |
248 | } |
249 | |
250 | #else |
251 | |
252 | /* When no other crypto library is available we use this code segment */ |
253 | |
254 | /* |
255 | * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. |
256 | * MD5 Message-Digest Algorithm (RFC 1321). |
257 | * |
258 | * Homepage: |
259 | https://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 |
260 | * |
261 | * Author: |
262 | * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> |
263 | * |
264 | * This software was written by Alexander Peslyak in 2001. No copyright is |
265 | * claimed, and the software is hereby placed in the public domain. |
266 | * In case this attempt to disclaim copyright and place the software in the |
267 | * public domain is deemed null and void, then the software is |
268 | * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the |
269 | * general public under the following terms: |
270 | * |
271 | * Redistribution and use in source and binary forms, with or without |
272 | * modification, are permitted. |
273 | * |
274 | * There's ABSOLUTELY NO WARRANTY, express or implied. |
275 | * |
276 | * (This is a heavily cut-down "BSD license".) |
277 | * |
278 | * This differs from Colin Plumb's older public domain implementation in that |
279 | * no exactly 32-bit integer data type is required (any 32-bit or wider |
280 | * unsigned integer data type will do), there's no compile-time endianness |
281 | * configuration, and the function prototypes match OpenSSL's. No code from |
282 | * Colin Plumb's implementation has been reused; this comment merely compares |
283 | * the properties of the two independent implementations. |
284 | * |
285 | * The primary goals of this implementation are portability and ease of use. |
286 | * It is meant to be fast, but not as fast as possible. Some known |
287 | * optimizations are not included to reduce source code size and avoid |
288 | * compile-time configuration. |
289 | */ |
290 | |
291 | #include <string.h> |
292 | |
293 | /* The last #include files should be: */ |
294 | #include "curl_memory.h" |
295 | #include "memdebug.h" |
296 | |
297 | /* Any 32-bit or wider unsigned integer data type will do */ |
298 | typedef unsigned int MD5_u32plus; |
299 | |
300 | struct md5_ctx { |
301 | MD5_u32plus lo, hi; |
302 | MD5_u32plus a, b, c, d; |
303 | unsigned char buffer[64]; |
304 | MD5_u32plus block[16]; |
305 | }; |
306 | typedef struct md5_ctx my_md5_ctx; |
307 | |
308 | static CURLcode my_md5_init(my_md5_ctx *ctx); |
309 | static void my_md5_update(my_md5_ctx *ctx, const void *data, |
310 | unsigned long size); |
311 | static void my_md5_final(unsigned char *result, my_md5_ctx *ctx); |
312 | |
313 | /* |
314 | * The basic MD5 functions. |
315 | * |
316 | * F and G are optimized compared to their RFC 1321 definitions for |
317 | * architectures that lack an AND-NOT instruction, just like in Colin Plumb's |
318 | * implementation. |
319 | */ |
320 | #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) |
321 | #define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) |
322 | #define H(x, y, z) (((x) ^ (y)) ^ (z)) |
323 | #define H2(x, y, z) ((x) ^ ((y) ^ (z))) |
324 | #define I(x, y, z) ((y) ^ ((x) | ~(z))) |
325 | |
326 | /* |
327 | * The MD5 transformation for all four rounds. |
328 | */ |
329 | #define STEP(f, a, b, c, d, x, t, s) \ |
330 | (a) += f((b), (c), (d)) + (x) + (t); \ |
331 | (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \ |
332 | (a) += (b); |
333 | |
334 | /* |
335 | * SET reads 4 input bytes in little-endian byte order and stores them |
336 | * in a properly aligned word in host byte order. |
337 | * |
338 | * The check for little-endian architectures that tolerate unaligned |
339 | * memory accesses is just an optimization. Nothing will break if it |
340 | * doesn't work. |
341 | */ |
342 | #if defined(__i386__) || defined(__x86_64__) || defined(__vax__) |
343 | #define SET(n) \ |
344 | (*(MD5_u32plus *)(void *)&ptr[(n) * 4]) |
345 | #define GET(n) \ |
346 | SET(n) |
347 | #else |
348 | #define SET(n) \ |
349 | (ctx->block[(n)] = \ |
350 | (MD5_u32plus)ptr[(n) * 4] | \ |
351 | ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \ |
352 | ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \ |
353 | ((MD5_u32plus)ptr[(n) * 4 + 3] << 24)) |
354 | #define GET(n) \ |
355 | (ctx->block[(n)]) |
356 | #endif |
357 | |
358 | /* |
359 | * This processes one or more 64-byte data blocks, but does NOT update |
360 | * the bit counters. There are no alignment requirements. |
361 | */ |
362 | static const void *body(my_md5_ctx *ctx, const void *data, unsigned long size) |
363 | { |
364 | const unsigned char *ptr; |
365 | MD5_u32plus a, b, c, d; |
366 | |
367 | ptr = (const unsigned char *)data; |
368 | |
369 | a = ctx->a; |
370 | b = ctx->b; |
371 | c = ctx->c; |
372 | d = ctx->d; |
373 | |
374 | do { |
375 | MD5_u32plus saved_a, saved_b, saved_c, saved_d; |
376 | |
377 | saved_a = a; |
378 | saved_b = b; |
379 | saved_c = c; |
380 | saved_d = d; |
381 | |
382 | /* Round 1 */ |
383 | STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7) |
384 | STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12) |
385 | STEP(F, c, d, a, b, SET(2), 0x242070db, 17) |
386 | STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22) |
387 | STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7) |
388 | STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12) |
389 | STEP(F, c, d, a, b, SET(6), 0xa8304613, 17) |
390 | STEP(F, b, c, d, a, SET(7), 0xfd469501, 22) |
391 | STEP(F, a, b, c, d, SET(8), 0x698098d8, 7) |
392 | STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12) |
393 | STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17) |
394 | STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22) |
395 | STEP(F, a, b, c, d, SET(12), 0x6b901122, 7) |
396 | STEP(F, d, a, b, c, SET(13), 0xfd987193, 12) |
397 | STEP(F, c, d, a, b, SET(14), 0xa679438e, 17) |
398 | STEP(F, b, c, d, a, SET(15), 0x49b40821, 22) |
399 | |
400 | /* Round 2 */ |
401 | STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5) |
402 | STEP(G, d, a, b, c, GET(6), 0xc040b340, 9) |
403 | STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14) |
404 | STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20) |
405 | STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5) |
406 | STEP(G, d, a, b, c, GET(10), 0x02441453, 9) |
407 | STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14) |
408 | STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20) |
409 | STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5) |
410 | STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9) |
411 | STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14) |
412 | STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20) |
413 | STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5) |
414 | STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9) |
415 | STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14) |
416 | STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20) |
417 | |
418 | /* Round 3 */ |
419 | STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4) |
420 | STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11) |
421 | STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16) |
422 | STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23) |
423 | STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4) |
424 | STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11) |
425 | STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16) |
426 | STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23) |
427 | STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4) |
428 | STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11) |
429 | STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16) |
430 | STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23) |
431 | STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4) |
432 | STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11) |
433 | STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16) |
434 | STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23) |
435 | |
436 | /* Round 4 */ |
437 | STEP(I, a, b, c, d, GET(0), 0xf4292244, 6) |
438 | STEP(I, d, a, b, c, GET(7), 0x432aff97, 10) |
439 | STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15) |
440 | STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21) |
441 | STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6) |
442 | STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10) |
443 | STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15) |
444 | STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21) |
445 | STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6) |
446 | STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10) |
447 | STEP(I, c, d, a, b, GET(6), 0xa3014314, 15) |
448 | STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21) |
449 | STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6) |
450 | STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10) |
451 | STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15) |
452 | STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21) |
453 | |
454 | a += saved_a; |
455 | b += saved_b; |
456 | c += saved_c; |
457 | d += saved_d; |
458 | |
459 | ptr += 64; |
460 | } while(size -= 64); |
461 | |
462 | ctx->a = a; |
463 | ctx->b = b; |
464 | ctx->c = c; |
465 | ctx->d = d; |
466 | |
467 | return ptr; |
468 | } |
469 | |
470 | static CURLcode my_md5_init(my_md5_ctx *ctx) |
471 | { |
472 | ctx->a = 0x67452301; |
473 | ctx->b = 0xefcdab89; |
474 | ctx->c = 0x98badcfe; |
475 | ctx->d = 0x10325476; |
476 | |
477 | ctx->lo = 0; |
478 | ctx->hi = 0; |
479 | |
480 | return CURLE_OK; |
481 | } |
482 | |
483 | static void my_md5_update(my_md5_ctx *ctx, const void *data, |
484 | unsigned long size) |
485 | { |
486 | MD5_u32plus saved_lo; |
487 | unsigned long used; |
488 | |
489 | saved_lo = ctx->lo; |
490 | ctx->lo = (saved_lo + size) & 0x1fffffff; |
491 | if(ctx->lo < saved_lo) |
492 | ctx->hi++; |
493 | ctx->hi += (MD5_u32plus)size >> 29; |
494 | |
495 | used = saved_lo & 0x3f; |
496 | |
497 | if(used) { |
498 | unsigned long available = 64 - used; |
499 | |
500 | if(size < available) { |
501 | memcpy(&ctx->buffer[used], data, size); |
502 | return; |
503 | } |
504 | |
505 | memcpy(&ctx->buffer[used], data, available); |
506 | data = (const unsigned char *)data + available; |
507 | size -= available; |
508 | body(ctx, ctx->buffer, 64); |
509 | } |
510 | |
511 | if(size >= 64) { |
512 | data = body(ctx, data, size & ~(unsigned long)0x3f); |
513 | size &= 0x3f; |
514 | } |
515 | |
516 | memcpy(ctx->buffer, data, size); |
517 | } |
518 | |
519 | static void my_md5_final(unsigned char *result, my_md5_ctx *ctx) |
520 | { |
521 | unsigned long used, available; |
522 | |
523 | used = ctx->lo & 0x3f; |
524 | |
525 | ctx->buffer[used++] = 0x80; |
526 | |
527 | available = 64 - used; |
528 | |
529 | if(available < 8) { |
530 | memset(&ctx->buffer[used], 0, available); |
531 | body(ctx, ctx->buffer, 64); |
532 | used = 0; |
533 | available = 64; |
534 | } |
535 | |
536 | memset(&ctx->buffer[used], 0, available - 8); |
537 | |
538 | ctx->lo <<= 3; |
539 | ctx->buffer[56] = curlx_ultouc((ctx->lo)&0xff); |
540 | ctx->buffer[57] = curlx_ultouc((ctx->lo >> 8)&0xff); |
541 | ctx->buffer[58] = curlx_ultouc((ctx->lo >> 16)&0xff); |
542 | ctx->buffer[59] = curlx_ultouc(ctx->lo >> 24); |
543 | ctx->buffer[60] = curlx_ultouc((ctx->hi)&0xff); |
544 | ctx->buffer[61] = curlx_ultouc((ctx->hi >> 8)&0xff); |
545 | ctx->buffer[62] = curlx_ultouc((ctx->hi >> 16)&0xff); |
546 | ctx->buffer[63] = curlx_ultouc(ctx->hi >> 24); |
547 | |
548 | body(ctx, ctx->buffer, 64); |
549 | |
550 | result[0] = curlx_ultouc((ctx->a)&0xff); |
551 | result[1] = curlx_ultouc((ctx->a >> 8)&0xff); |
552 | result[2] = curlx_ultouc((ctx->a >> 16)&0xff); |
553 | result[3] = curlx_ultouc(ctx->a >> 24); |
554 | result[4] = curlx_ultouc((ctx->b)&0xff); |
555 | result[5] = curlx_ultouc((ctx->b >> 8)&0xff); |
556 | result[6] = curlx_ultouc((ctx->b >> 16)&0xff); |
557 | result[7] = curlx_ultouc(ctx->b >> 24); |
558 | result[8] = curlx_ultouc((ctx->c)&0xff); |
559 | result[9] = curlx_ultouc((ctx->c >> 8)&0xff); |
560 | result[10] = curlx_ultouc((ctx->c >> 16)&0xff); |
561 | result[11] = curlx_ultouc(ctx->c >> 24); |
562 | result[12] = curlx_ultouc((ctx->d)&0xff); |
563 | result[13] = curlx_ultouc((ctx->d >> 8)&0xff); |
564 | result[14] = curlx_ultouc((ctx->d >> 16)&0xff); |
565 | result[15] = curlx_ultouc(ctx->d >> 24); |
566 | |
567 | memset(ctx, 0, sizeof(*ctx)); |
568 | } |
569 | |
570 | #endif /* CRYPTO LIBS */ |
571 | |
572 | const struct HMAC_params Curl_HMAC_MD5[] = { |
573 | { |
574 | /* Hash initialization function. */ |
575 | CURLX_FUNCTION_CAST(HMAC_hinit_func, my_md5_init), |
576 | /* Hash update function. */ |
577 | CURLX_FUNCTION_CAST(HMAC_hupdate_func, my_md5_update), |
578 | /* Hash computation end function. */ |
579 | CURLX_FUNCTION_CAST(HMAC_hfinal_func, my_md5_final), |
580 | /* Size of hash context structure. */ |
581 | sizeof(my_md5_ctx), |
582 | /* Maximum key length. */ |
583 | 64, |
584 | /* Result size. */ |
585 | 16 |
586 | } |
587 | }; |
588 | |
589 | const struct MD5_params Curl_DIGEST_MD5[] = { |
590 | { |
591 | /* Digest initialization function */ |
592 | CURLX_FUNCTION_CAST(Curl_MD5_init_func, my_md5_init), |
593 | /* Digest update function */ |
594 | CURLX_FUNCTION_CAST(Curl_MD5_update_func, my_md5_update), |
595 | /* Digest computation end function */ |
596 | CURLX_FUNCTION_CAST(Curl_MD5_final_func, my_md5_final), |
597 | /* Size of digest context struct */ |
598 | sizeof(my_md5_ctx), |
599 | /* Result size */ |
600 | 16 |
601 | } |
602 | }; |
603 | |
604 | /* |
605 | * @unittest: 1601 |
606 | * Returns CURLE_OK on success. |
607 | */ |
608 | CURLcode Curl_md5it(unsigned char *outbuffer, const unsigned char *input, |
609 | const size_t len) |
610 | { |
611 | CURLcode result; |
612 | my_md5_ctx ctx; |
613 | |
614 | result = my_md5_init(&ctx); |
615 | if(!result) { |
616 | my_md5_update(&ctx, input, curlx_uztoui(len)); |
617 | my_md5_final(outbuffer, &ctx); |
618 | } |
619 | return result; |
620 | } |
621 | |
622 | struct MD5_context *Curl_MD5_init(const struct MD5_params *md5params) |
623 | { |
624 | struct MD5_context *ctxt; |
625 | |
626 | /* Create MD5 context */ |
627 | ctxt = malloc(sizeof(*ctxt)); |
628 | |
629 | if(!ctxt) |
630 | return ctxt; |
631 | |
632 | ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize); |
633 | |
634 | if(!ctxt->md5_hashctx) { |
635 | free(ctxt); |
636 | return NULL; |
637 | } |
638 | |
639 | ctxt->md5_hash = md5params; |
640 | |
641 | if((*md5params->md5_init_func)(ctxt->md5_hashctx)) { |
642 | free(ctxt->md5_hashctx); |
643 | free(ctxt); |
644 | return NULL; |
645 | } |
646 | |
647 | return ctxt; |
648 | } |
649 | |
650 | CURLcode Curl_MD5_update(struct MD5_context *context, |
651 | const unsigned char *data, |
652 | unsigned int len) |
653 | { |
654 | (*context->md5_hash->md5_update_func)(context->md5_hashctx, data, len); |
655 | |
656 | return CURLE_OK; |
657 | } |
658 | |
659 | CURLcode Curl_MD5_final(struct MD5_context *context, unsigned char *result) |
660 | { |
661 | (*context->md5_hash->md5_final_func)(result, context->md5_hashctx); |
662 | |
663 | free(context->md5_hashctx); |
664 | free(context); |
665 | |
666 | return CURLE_OK; |
667 | } |
668 | |
669 | #endif /* CURL_DISABLE_CRYPTO_AUTH */ |
670 | |