2 * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * This is the OSSLTEST engine. It provides deliberately crippled digest
12 * implementations for test purposes. It is highly insecure and must NOT be
13 * used for any purpose except testing
16 /* We need to use some engine deprecated APIs */
17 #define OPENSSL_SUPPRESS_DEPRECATED
20 * SHA low level APIs are deprecated for public use, but still ok for
21 * internal use. Note, that due to symbols not being exported, only the
22 * #defines and type definitions can be accessed, function calls are not
23 * available. The digest lengths, block sizes and sizeof(CTX) are used herein
24 * for several different digests.
26 #include "internal/deprecated.h"
31 #include <openssl/engine.h>
32 #include <openssl/sha.h>
33 #include <openssl/md5.h>
34 #include <openssl/rsa.h>
35 #include <openssl/evp.h>
36 #include <openssl/modes.h>
37 #include <openssl/aes.h>
38 #include <openssl/rand.h>
39 #include <openssl/crypto.h>
40 #include <openssl/pem.h>
41 #include <crypto/evp.h>
43 #include "e_ossltest_err.c"
46 # define strncasecmp _strnicmp
49 /* Engine Id and Name */
50 static const char *engine_ossltest_id = "ossltest";
51 static const char *engine_ossltest_name = "OpenSSL Test engine support";
54 /* Engine Lifetime functions */
55 static int ossltest_destroy(ENGINE *e);
56 static int ossltest_init(ENGINE *e);
57 static int ossltest_finish(ENGINE *e);
58 void ENGINE_load_ossltest(void);
62 static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
63 const int **nids, int nid);
64 static const RAND_METHOD *ossltest_rand_method(void);
67 static int digest_md5_init(EVP_MD_CTX *ctx);
68 static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
70 static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md);
72 static EVP_MD *_hidden_md5_md = NULL;
73 static const EVP_MD *digest_md5(void)
75 if (_hidden_md5_md == NULL) {
78 if ((md = EVP_MD_meth_new(NID_md5, NID_md5WithRSAEncryption)) == NULL
79 || !EVP_MD_meth_set_result_size(md, MD5_DIGEST_LENGTH)
80 || !EVP_MD_meth_set_input_blocksize(md, MD5_CBLOCK)
81 || !EVP_MD_meth_set_app_datasize(md,
82 sizeof(EVP_MD *) + sizeof(MD5_CTX))
83 || !EVP_MD_meth_set_flags(md, 0)
84 || !EVP_MD_meth_set_init(md, digest_md5_init)
85 || !EVP_MD_meth_set_update(md, digest_md5_update)
86 || !EVP_MD_meth_set_final(md, digest_md5_final)) {
92 return _hidden_md5_md;
96 static int digest_sha1_init(EVP_MD_CTX *ctx);
97 static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
99 static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md);
101 static EVP_MD *_hidden_sha1_md = NULL;
102 static const EVP_MD *digest_sha1(void)
104 if (_hidden_sha1_md == NULL) {
107 if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
108 || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
109 || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
110 || !EVP_MD_meth_set_app_datasize(md,
111 sizeof(EVP_MD *) + sizeof(SHA_CTX))
112 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
113 || !EVP_MD_meth_set_init(md, digest_sha1_init)
114 || !EVP_MD_meth_set_update(md, digest_sha1_update)
115 || !EVP_MD_meth_set_final(md, digest_sha1_final)) {
116 EVP_MD_meth_free(md);
119 _hidden_sha1_md = md;
121 return _hidden_sha1_md;
125 static int digest_sha256_init(EVP_MD_CTX *ctx);
126 static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
128 static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md);
130 static EVP_MD *_hidden_sha256_md = NULL;
131 static const EVP_MD *digest_sha256(void)
133 if (_hidden_sha256_md == NULL) {
136 if ((md = EVP_MD_meth_new(NID_sha256, NID_sha256WithRSAEncryption)) == NULL
137 || !EVP_MD_meth_set_result_size(md, SHA256_DIGEST_LENGTH)
138 || !EVP_MD_meth_set_input_blocksize(md, SHA256_CBLOCK)
139 || !EVP_MD_meth_set_app_datasize(md,
140 sizeof(EVP_MD *) + sizeof(SHA256_CTX))
141 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
142 || !EVP_MD_meth_set_init(md, digest_sha256_init)
143 || !EVP_MD_meth_set_update(md, digest_sha256_update)
144 || !EVP_MD_meth_set_final(md, digest_sha256_final)) {
145 EVP_MD_meth_free(md);
148 _hidden_sha256_md = md;
150 return _hidden_sha256_md;
154 static int digest_sha384_init(EVP_MD_CTX *ctx);
155 static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data,
157 static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md);
159 static int digest_sha512_init(EVP_MD_CTX *ctx);
160 static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
162 static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md);
164 static EVP_MD *_hidden_sha384_md = NULL;
165 static const EVP_MD *digest_sha384(void)
167 if (_hidden_sha384_md == NULL) {
170 if ((md = EVP_MD_meth_new(NID_sha384, NID_sha384WithRSAEncryption)) == NULL
171 || !EVP_MD_meth_set_result_size(md, SHA384_DIGEST_LENGTH)
172 || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
173 || !EVP_MD_meth_set_app_datasize(md,
174 sizeof(EVP_MD *) + sizeof(SHA512_CTX))
175 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
176 || !EVP_MD_meth_set_init(md, digest_sha384_init)
177 || !EVP_MD_meth_set_update(md, digest_sha384_update)
178 || !EVP_MD_meth_set_final(md, digest_sha384_final)) {
179 EVP_MD_meth_free(md);
182 _hidden_sha384_md = md;
184 return _hidden_sha384_md;
186 static EVP_MD *_hidden_sha512_md = NULL;
187 static const EVP_MD *digest_sha512(void)
189 if (_hidden_sha512_md == NULL) {
192 if ((md = EVP_MD_meth_new(NID_sha512, NID_sha512WithRSAEncryption)) == NULL
193 || !EVP_MD_meth_set_result_size(md, SHA512_DIGEST_LENGTH)
194 || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
195 || !EVP_MD_meth_set_app_datasize(md,
196 sizeof(EVP_MD *) + sizeof(SHA512_CTX))
197 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
198 || !EVP_MD_meth_set_init(md, digest_sha512_init)
199 || !EVP_MD_meth_set_update(md, digest_sha512_update)
200 || !EVP_MD_meth_set_final(md, digest_sha512_final)) {
201 EVP_MD_meth_free(md);
204 _hidden_sha512_md = md;
206 return _hidden_sha512_md;
208 static void destroy_digests(void)
210 EVP_MD_meth_free(_hidden_md5_md);
211 _hidden_md5_md = NULL;
212 EVP_MD_meth_free(_hidden_sha1_md);
213 _hidden_sha1_md = NULL;
214 EVP_MD_meth_free(_hidden_sha256_md);
215 _hidden_sha256_md = NULL;
216 EVP_MD_meth_free(_hidden_sha384_md);
217 _hidden_sha384_md = NULL;
218 EVP_MD_meth_free(_hidden_sha512_md);
219 _hidden_sha512_md = NULL;
221 static int ossltest_digest_nids(const int **nids)
223 static int digest_nids[6] = { 0, 0, 0, 0, 0, 0 };
229 if ((md = digest_md5()) != NULL)
230 digest_nids[pos++] = EVP_MD_get_type(md);
231 if ((md = digest_sha1()) != NULL)
232 digest_nids[pos++] = EVP_MD_get_type(md);
233 if ((md = digest_sha256()) != NULL)
234 digest_nids[pos++] = EVP_MD_get_type(md);
235 if ((md = digest_sha384()) != NULL)
236 digest_nids[pos++] = EVP_MD_get_type(md);
237 if ((md = digest_sha512()) != NULL)
238 digest_nids[pos++] = EVP_MD_get_type(md);
239 digest_nids[pos] = 0;
247 static int ossltest_ciphers(ENGINE *, const EVP_CIPHER **,
250 static int ossltest_cipher_nids[] = {
251 NID_aes_128_cbc, NID_aes_128_gcm,
252 NID_aes_128_cbc_hmac_sha1, 0
257 static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx,
258 const unsigned char *key,
259 const unsigned char *iv, int enc);
260 static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
261 const unsigned char *in, size_t inl);
262 static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx,
263 const unsigned char *key,
264 const unsigned char *iv, int enc);
265 static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
266 const unsigned char *in, size_t inl);
267 static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
269 static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
270 const unsigned char *key,
271 const unsigned char *iv,
273 static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx,
275 const unsigned char *in,
277 static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
281 size_t payload_length; /* AAD length in decrypt case */
282 unsigned int tls_ver;
285 static EVP_CIPHER *_hidden_aes_128_cbc = NULL;
286 static const EVP_CIPHER *ossltest_aes_128_cbc(void)
288 if (_hidden_aes_128_cbc == NULL
289 && ((_hidden_aes_128_cbc = EVP_CIPHER_meth_new(NID_aes_128_cbc,
291 16 /* key len */)) == NULL
292 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc,16)
293 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc,
294 EVP_CIPH_FLAG_DEFAULT_ASN1
296 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc,
297 ossltest_aes128_init_key)
298 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc,
299 ossltest_aes128_cbc_cipher)
300 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc,
301 EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())))) {
302 EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
303 _hidden_aes_128_cbc = NULL;
305 return _hidden_aes_128_cbc;
308 static EVP_CIPHER *_hidden_aes_128_gcm = NULL;
310 #define AES_GCM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
311 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
312 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
313 | EVP_CIPH_CUSTOM_COPY |EVP_CIPH_FLAG_AEAD_CIPHER \
316 static const EVP_CIPHER *ossltest_aes_128_gcm(void)
318 if (_hidden_aes_128_gcm == NULL
319 && ((_hidden_aes_128_gcm = EVP_CIPHER_meth_new(NID_aes_128_gcm,
321 16 /* key len */)) == NULL
322 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_gcm,12)
323 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_gcm, AES_GCM_FLAGS)
324 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_gcm,
325 ossltest_aes128_gcm_init_key)
326 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_gcm,
327 ossltest_aes128_gcm_cipher)
328 || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_gcm,
329 ossltest_aes128_gcm_ctrl)
330 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_gcm,
331 EVP_CIPHER_impl_ctx_size(EVP_aes_128_gcm())))) {
332 EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
333 _hidden_aes_128_gcm = NULL;
335 return _hidden_aes_128_gcm;
338 static EVP_CIPHER *_hidden_aes_128_cbc_hmac_sha1 = NULL;
340 static const EVP_CIPHER *ossltest_aes_128_cbc_hmac_sha1(void)
342 if (_hidden_aes_128_cbc_hmac_sha1 == NULL
343 && ((_hidden_aes_128_cbc_hmac_sha1
344 = EVP_CIPHER_meth_new(NID_aes_128_cbc_hmac_sha1,
346 16 /* key len */)) == NULL
347 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc_hmac_sha1,16)
348 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc_hmac_sha1,
349 EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
350 EVP_CIPH_FLAG_AEAD_CIPHER)
351 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc_hmac_sha1,
352 ossltest_aes128_cbc_hmac_sha1_init_key)
353 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc_hmac_sha1,
354 ossltest_aes128_cbc_hmac_sha1_cipher)
355 || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_cbc_hmac_sha1,
356 ossltest_aes128_cbc_hmac_sha1_ctrl)
357 || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_aes_128_cbc_hmac_sha1,
358 EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_set_asn1_iv)
359 || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_aes_128_cbc_hmac_sha1,
360 EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_get_asn1_iv)
361 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc_hmac_sha1,
362 sizeof(EVP_AES_HMAC_SHA1)))) {
363 EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1);
364 _hidden_aes_128_cbc_hmac_sha1 = NULL;
366 return _hidden_aes_128_cbc_hmac_sha1;
369 static void destroy_ciphers(void)
371 EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
372 EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
373 EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1);
374 _hidden_aes_128_cbc = NULL;
375 _hidden_aes_128_gcm = NULL;
376 _hidden_aes_128_cbc_hmac_sha1 = NULL;
380 static EVP_PKEY *load_key(ENGINE *eng, const char *key_id, int pub,
381 UI_METHOD *ui_method, void *ui_data)
386 if (strncasecmp(key_id, "ot:", 3) != 0)
390 fprintf(stderr, "[ossltest]Loading %s key %s\n",
391 pub ? "Public" : "Private", key_id);
392 in = BIO_new_file(key_id, "r");
396 key = PEM_read_bio_PUBKEY(in, NULL, 0, NULL);
398 key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
403 static EVP_PKEY *ossltest_load_privkey(ENGINE *eng, const char *key_id,
404 UI_METHOD *ui_method, void *ui_data)
406 return load_key(eng, key_id, 0, ui_method, ui_data);
409 static EVP_PKEY *ossltest_load_pubkey(ENGINE *eng, const char *key_id,
410 UI_METHOD *ui_method, void *ui_data)
412 return load_key(eng, key_id, 1, ui_method, ui_data);
416 static int bind_ossltest(ENGINE *e)
418 /* Ensure the ossltest error handling is set up */
419 ERR_load_OSSLTEST_strings();
421 if (!ENGINE_set_id(e, engine_ossltest_id)
422 || !ENGINE_set_name(e, engine_ossltest_name)
423 || !ENGINE_set_digests(e, ossltest_digests)
424 || !ENGINE_set_ciphers(e, ossltest_ciphers)
425 || !ENGINE_set_RAND(e, ossltest_rand_method())
426 || !ENGINE_set_destroy_function(e, ossltest_destroy)
427 || !ENGINE_set_load_privkey_function(e, ossltest_load_privkey)
428 || !ENGINE_set_load_pubkey_function(e, ossltest_load_pubkey)
429 || !ENGINE_set_init_function(e, ossltest_init)
430 || !ENGINE_set_finish_function(e, ossltest_finish)) {
431 OSSLTESTerr(OSSLTEST_F_BIND_OSSLTEST, OSSLTEST_R_INIT_FAILED);
438 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
439 static int bind_helper(ENGINE *e, const char *id)
441 if (id && (strcmp(id, engine_ossltest_id) != 0))
443 if (!bind_ossltest(e))
448 IMPLEMENT_DYNAMIC_CHECK_FN()
449 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
452 static ENGINE *engine_ossltest(void)
454 ENGINE *ret = ENGINE_new();
457 if (!bind_ossltest(ret)) {
464 void ENGINE_load_ossltest(void)
466 /* Copied from eng_[openssl|dyn].c */
467 ENGINE *toadd = engine_ossltest();
476 static int ossltest_init(ENGINE *e)
482 static int ossltest_finish(ENGINE *e)
488 static int ossltest_destroy(ENGINE *e)
492 ERR_unload_OSSLTEST_strings();
496 static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
497 const int **nids, int nid)
501 /* We are returning a list of supported nids */
502 return ossltest_digest_nids(nids);
504 /* We are being asked for a specific digest */
507 *digest = digest_md5();
510 *digest = digest_sha1();
513 *digest = digest_sha256();
516 *digest = digest_sha384();
519 *digest = digest_sha512();
529 static int ossltest_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
530 const int **nids, int nid)
534 /* We are returning a list of supported nids */
535 *nids = ossltest_cipher_nids;
536 return (sizeof(ossltest_cipher_nids) - 1)
537 / sizeof(ossltest_cipher_nids[0]);
539 /* We are being asked for a specific cipher */
541 case NID_aes_128_cbc:
542 *cipher = ossltest_aes_128_cbc();
544 case NID_aes_128_gcm:
545 *cipher = ossltest_aes_128_gcm();
547 case NID_aes_128_cbc_hmac_sha1:
548 *cipher = ossltest_aes_128_cbc_hmac_sha1();
558 static void fill_known_data(unsigned char *md, unsigned int len)
562 for (i=0; i<len; i++) {
563 md[i] = (unsigned char)(i & 0xff);
568 * MD5 implementation. We go through the motions of doing MD5 by deferring to
569 * the standard implementation. Then we overwrite the result with a will defined
570 * value, so that all "MD5" digests using the test engine always end up with
573 static int digest_md5_init(EVP_MD_CTX *ctx)
575 return EVP_MD_meth_get_init(EVP_md5())(ctx);
578 static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
581 return EVP_MD_meth_get_update(EVP_md5())(ctx, data, count);
584 static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
586 int ret = EVP_MD_meth_get_final(EVP_md5())(ctx, md);
589 fill_known_data(md, MD5_DIGEST_LENGTH);
595 * SHA1 implementation.
597 static int digest_sha1_init(EVP_MD_CTX *ctx)
599 return EVP_MD_meth_get_init(EVP_sha1())(ctx);
602 static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
605 return EVP_MD_meth_get_update(EVP_sha1())(ctx, data, count);
608 static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
610 int ret = EVP_MD_meth_get_final(EVP_sha1())(ctx, md);
613 fill_known_data(md, SHA_DIGEST_LENGTH);
619 * SHA256 implementation.
621 static int digest_sha256_init(EVP_MD_CTX *ctx)
623 return EVP_MD_meth_get_init(EVP_sha256())(ctx);
626 static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
629 return EVP_MD_meth_get_update(EVP_sha256())(ctx, data, count);
632 static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md)
634 int ret = EVP_MD_meth_get_final(EVP_sha256())(ctx, md);
637 fill_known_data(md, SHA256_DIGEST_LENGTH);
643 * SHA384 implementation.
645 static int digest_sha384_init(EVP_MD_CTX *ctx)
647 return EVP_MD_meth_get_init(EVP_sha384())(ctx);
650 static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data,
653 return EVP_MD_meth_get_update(EVP_sha384())(ctx, data, count);
656 static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md)
658 int ret = EVP_MD_meth_get_final(EVP_sha384())(ctx, md);
661 fill_known_data(md, SHA384_DIGEST_LENGTH);
667 * SHA512 implementation.
669 static int digest_sha512_init(EVP_MD_CTX *ctx)
671 return EVP_MD_meth_get_init(EVP_sha512())(ctx);
674 static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
677 return EVP_MD_meth_get_update(EVP_sha512())(ctx, data, count);
680 static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md)
682 int ret = EVP_MD_meth_get_final(EVP_sha512())(ctx, md);
685 fill_known_data(md, SHA512_DIGEST_LENGTH);
691 * AES128 Implementation
694 static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx,
695 const unsigned char *key,
696 const unsigned char *iv, int enc)
698 return EVP_CIPHER_meth_get_init(EVP_aes_128_cbc()) (ctx, key, iv, enc);
701 static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
702 const unsigned char *in, size_t inl)
704 unsigned char *tmpbuf;
707 tmpbuf = OPENSSL_malloc(inl);
709 /* OPENSSL_malloc will return NULL if inl == 0 */
710 if (tmpbuf == NULL && inl > 0)
713 /* Remember what we were asked to encrypt */
715 memcpy(tmpbuf, in, inl);
717 /* Go through the motions of encrypting it */
718 ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc())(ctx, out, in, inl);
720 /* Throw it all away and just use the plaintext as the output */
722 memcpy(out, tmpbuf, inl);
723 OPENSSL_free(tmpbuf);
728 static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx,
729 const unsigned char *key,
730 const unsigned char *iv, int enc)
732 return EVP_CIPHER_meth_get_init(EVP_aes_128_gcm()) (ctx, key, iv, enc);
735 static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
736 const unsigned char *in, size_t inl)
738 unsigned char *tmpbuf = OPENSSL_malloc(inl);
740 /* OPENSSL_malloc will return NULL if inl == 0 */
741 if (tmpbuf == NULL && inl > 0)
744 /* Remember what we were asked to encrypt */
746 memcpy(tmpbuf, in, inl);
748 /* Go through the motions of encrypting it */
749 EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
751 /* Throw it all away and just use the plaintext as the output */
752 if (tmpbuf != NULL && out != NULL)
753 memcpy(out, tmpbuf, inl);
754 OPENSSL_free(tmpbuf);
759 static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
762 /* Pass the ctrl down */
763 int ret = EVP_CIPHER_meth_get_ctrl(EVP_aes_128_gcm())(ctx, type, arg, ptr);
769 case EVP_CTRL_AEAD_GET_TAG:
770 /* Always give the same tag */
771 memset(ptr, 0, EVP_GCM_TLS_TAG_LEN);
781 #define NO_PAYLOAD_LENGTH ((size_t)-1)
782 # define data(ctx) ((EVP_AES_HMAC_SHA1 *)EVP_CIPHER_CTX_get_cipher_data(ctx))
784 static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
785 const unsigned char *inkey,
786 const unsigned char *iv,
789 EVP_AES_HMAC_SHA1 *key = data(ctx);
790 key->payload_length = NO_PAYLOAD_LENGTH;
794 static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx,
796 const unsigned char *in,
799 EVP_AES_HMAC_SHA1 *key = data(ctx);
801 size_t plen = key->payload_length;
803 key->payload_length = NO_PAYLOAD_LENGTH;
805 if (len % AES_BLOCK_SIZE)
808 if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
809 if (plen == NO_PAYLOAD_LENGTH)
812 ((plen + SHA_DIGEST_LENGTH +
813 AES_BLOCK_SIZE) & -AES_BLOCK_SIZE))
816 memmove(out, in, plen);
818 if (plen != len) { /* "TLS" mode of operation */
819 /* calculate HMAC and append it to payload */
820 fill_known_data(out + plen, SHA_DIGEST_LENGTH);
822 /* pad the payload|hmac */
823 plen += SHA_DIGEST_LENGTH;
824 for (l = len - plen - 1; plen < len; plen++)
828 /* decrypt HMAC|padding at once */
829 memmove(out, in, len);
831 if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
832 unsigned int maxpad, pad;
834 if (key->tls_ver >= TLS1_1_VERSION) {
835 if (len < (AES_BLOCK_SIZE + SHA_DIGEST_LENGTH + 1))
838 /* omit explicit iv */
839 in += AES_BLOCK_SIZE;
840 out += AES_BLOCK_SIZE;
841 len -= AES_BLOCK_SIZE;
842 } else if (len < (SHA_DIGEST_LENGTH + 1))
845 /* figure out payload length */
847 maxpad = len - (SHA_DIGEST_LENGTH + 1);
850 for (plen = len - pad - 1; plen < len; plen++)
851 if (out[plen] != pad)
859 static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
862 EVP_AES_HMAC_SHA1 *key = data(ctx);
865 case EVP_CTRL_AEAD_SET_MAC_KEY:
868 case EVP_CTRL_AEAD_TLS1_AAD:
870 unsigned char *p = ptr;
873 if (arg != EVP_AEAD_TLS1_AAD_LEN)
876 len = p[arg - 2] << 8 | p[arg - 1];
877 key->tls_ver = p[arg - 4] << 8 | p[arg - 3];
879 if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
880 key->payload_length = len;
881 if (key->tls_ver >= TLS1_1_VERSION) {
882 if (len < AES_BLOCK_SIZE)
884 len -= AES_BLOCK_SIZE;
885 p[arg - 2] = len >> 8;
889 return (int)(((len + SHA_DIGEST_LENGTH +
890 AES_BLOCK_SIZE) & -AES_BLOCK_SIZE)
893 key->payload_length = arg;
895 return SHA_DIGEST_LENGTH;
903 static int ossltest_rand_bytes(unsigned char *buf, int num)
905 unsigned char val = 1;
912 static int ossltest_rand_status(void)
917 static const RAND_METHOD *ossltest_rand_method(void)
920 static RAND_METHOD osslt_rand_meth = {
929 return &osslt_rand_meth;