2 * Copyright 2015-2022 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"
45 /* Engine Id and Name */
46 static const char *engine_ossltest_id = "ossltest";
47 static const char *engine_ossltest_name = "OpenSSL Test engine support";
50 /* Engine Lifetime functions */
51 static int ossltest_destroy(ENGINE *e);
52 static int ossltest_init(ENGINE *e);
53 static int ossltest_finish(ENGINE *e);
54 void ENGINE_load_ossltest(void);
58 static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
59 const int **nids, int nid);
60 static const RAND_METHOD *ossltest_rand_method(void);
63 static int digest_md5_init(EVP_MD_CTX *ctx);
64 static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
66 static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md);
68 static EVP_MD *_hidden_md5_md = NULL;
69 static const EVP_MD *digest_md5(void)
71 if (_hidden_md5_md == NULL) {
74 if ((md = EVP_MD_meth_new(NID_md5, NID_md5WithRSAEncryption)) == NULL
75 || !EVP_MD_meth_set_result_size(md, MD5_DIGEST_LENGTH)
76 || !EVP_MD_meth_set_input_blocksize(md, MD5_CBLOCK)
77 || !EVP_MD_meth_set_app_datasize(md,
78 sizeof(EVP_MD *) + sizeof(MD5_CTX))
79 || !EVP_MD_meth_set_flags(md, 0)
80 || !EVP_MD_meth_set_init(md, digest_md5_init)
81 || !EVP_MD_meth_set_update(md, digest_md5_update)
82 || !EVP_MD_meth_set_final(md, digest_md5_final)) {
88 return _hidden_md5_md;
92 static int digest_sha1_init(EVP_MD_CTX *ctx);
93 static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
95 static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md);
97 static EVP_MD *_hidden_sha1_md = NULL;
98 static const EVP_MD *digest_sha1(void)
100 if (_hidden_sha1_md == NULL) {
103 if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL
104 || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH)
105 || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK)
106 || !EVP_MD_meth_set_app_datasize(md,
107 sizeof(EVP_MD *) + sizeof(SHA_CTX))
108 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
109 || !EVP_MD_meth_set_init(md, digest_sha1_init)
110 || !EVP_MD_meth_set_update(md, digest_sha1_update)
111 || !EVP_MD_meth_set_final(md, digest_sha1_final)) {
112 EVP_MD_meth_free(md);
115 _hidden_sha1_md = md;
117 return _hidden_sha1_md;
121 static int digest_sha256_init(EVP_MD_CTX *ctx);
122 static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
124 static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md);
126 static EVP_MD *_hidden_sha256_md = NULL;
127 static const EVP_MD *digest_sha256(void)
129 if (_hidden_sha256_md == NULL) {
132 if ((md = EVP_MD_meth_new(NID_sha256, NID_sha256WithRSAEncryption)) == NULL
133 || !EVP_MD_meth_set_result_size(md, SHA256_DIGEST_LENGTH)
134 || !EVP_MD_meth_set_input_blocksize(md, SHA256_CBLOCK)
135 || !EVP_MD_meth_set_app_datasize(md,
136 sizeof(EVP_MD *) + sizeof(SHA256_CTX))
137 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
138 || !EVP_MD_meth_set_init(md, digest_sha256_init)
139 || !EVP_MD_meth_set_update(md, digest_sha256_update)
140 || !EVP_MD_meth_set_final(md, digest_sha256_final)) {
141 EVP_MD_meth_free(md);
144 _hidden_sha256_md = md;
146 return _hidden_sha256_md;
150 static int digest_sha384_init(EVP_MD_CTX *ctx);
151 static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data,
153 static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md);
155 static int digest_sha512_init(EVP_MD_CTX *ctx);
156 static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
158 static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md);
160 static EVP_MD *_hidden_sha384_md = NULL;
161 static const EVP_MD *digest_sha384(void)
163 if (_hidden_sha384_md == NULL) {
166 if ((md = EVP_MD_meth_new(NID_sha384, NID_sha384WithRSAEncryption)) == NULL
167 || !EVP_MD_meth_set_result_size(md, SHA384_DIGEST_LENGTH)
168 || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
169 || !EVP_MD_meth_set_app_datasize(md,
170 sizeof(EVP_MD *) + sizeof(SHA512_CTX))
171 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
172 || !EVP_MD_meth_set_init(md, digest_sha384_init)
173 || !EVP_MD_meth_set_update(md, digest_sha384_update)
174 || !EVP_MD_meth_set_final(md, digest_sha384_final)) {
175 EVP_MD_meth_free(md);
178 _hidden_sha384_md = md;
180 return _hidden_sha384_md;
182 static EVP_MD *_hidden_sha512_md = NULL;
183 static const EVP_MD *digest_sha512(void)
185 if (_hidden_sha512_md == NULL) {
188 if ((md = EVP_MD_meth_new(NID_sha512, NID_sha512WithRSAEncryption)) == NULL
189 || !EVP_MD_meth_set_result_size(md, SHA512_DIGEST_LENGTH)
190 || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK)
191 || !EVP_MD_meth_set_app_datasize(md,
192 sizeof(EVP_MD *) + sizeof(SHA512_CTX))
193 || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT)
194 || !EVP_MD_meth_set_init(md, digest_sha512_init)
195 || !EVP_MD_meth_set_update(md, digest_sha512_update)
196 || !EVP_MD_meth_set_final(md, digest_sha512_final)) {
197 EVP_MD_meth_free(md);
200 _hidden_sha512_md = md;
202 return _hidden_sha512_md;
204 static void destroy_digests(void)
206 EVP_MD_meth_free(_hidden_md5_md);
207 _hidden_md5_md = NULL;
208 EVP_MD_meth_free(_hidden_sha1_md);
209 _hidden_sha1_md = NULL;
210 EVP_MD_meth_free(_hidden_sha256_md);
211 _hidden_sha256_md = NULL;
212 EVP_MD_meth_free(_hidden_sha384_md);
213 _hidden_sha384_md = NULL;
214 EVP_MD_meth_free(_hidden_sha512_md);
215 _hidden_sha512_md = NULL;
217 static int ossltest_digest_nids(const int **nids)
219 static int digest_nids[6] = { 0, 0, 0, 0, 0, 0 };
225 if ((md = digest_md5()) != NULL)
226 digest_nids[pos++] = EVP_MD_get_type(md);
227 if ((md = digest_sha1()) != NULL)
228 digest_nids[pos++] = EVP_MD_get_type(md);
229 if ((md = digest_sha256()) != NULL)
230 digest_nids[pos++] = EVP_MD_get_type(md);
231 if ((md = digest_sha384()) != NULL)
232 digest_nids[pos++] = EVP_MD_get_type(md);
233 if ((md = digest_sha512()) != NULL)
234 digest_nids[pos++] = EVP_MD_get_type(md);
235 digest_nids[pos] = 0;
243 static int ossltest_ciphers(ENGINE *, const EVP_CIPHER **,
246 static int ossltest_cipher_nids[] = {
247 NID_aes_128_cbc, NID_aes_128_gcm,
248 NID_aes_128_cbc_hmac_sha1, 0
253 static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx,
254 const unsigned char *key,
255 const unsigned char *iv, int enc);
256 static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
257 const unsigned char *in, size_t inl);
258 static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx,
259 const unsigned char *key,
260 const unsigned char *iv, int enc);
261 static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
262 const unsigned char *in, size_t inl);
263 static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
265 static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
266 const unsigned char *key,
267 const unsigned char *iv,
269 static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx,
271 const unsigned char *in,
273 static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
277 size_t payload_length; /* AAD length in decrypt case */
278 unsigned int tls_ver;
281 static EVP_CIPHER *_hidden_aes_128_cbc = NULL;
282 static const EVP_CIPHER *ossltest_aes_128_cbc(void)
284 if (_hidden_aes_128_cbc == NULL
285 && ((_hidden_aes_128_cbc = EVP_CIPHER_meth_new(NID_aes_128_cbc,
287 16 /* key len */)) == NULL
288 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc,16)
289 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc,
290 EVP_CIPH_FLAG_DEFAULT_ASN1
292 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc,
293 ossltest_aes128_init_key)
294 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc,
295 ossltest_aes128_cbc_cipher)
296 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc,
297 EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())))) {
298 EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
299 _hidden_aes_128_cbc = NULL;
301 return _hidden_aes_128_cbc;
304 static EVP_CIPHER *_hidden_aes_128_gcm = NULL;
306 #define AES_GCM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
307 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
308 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
309 | EVP_CIPH_CUSTOM_COPY |EVP_CIPH_FLAG_AEAD_CIPHER \
312 static const EVP_CIPHER *ossltest_aes_128_gcm(void)
314 if (_hidden_aes_128_gcm == NULL
315 && ((_hidden_aes_128_gcm = EVP_CIPHER_meth_new(NID_aes_128_gcm,
317 16 /* key len */)) == NULL
318 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_gcm,12)
319 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_gcm, AES_GCM_FLAGS)
320 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_gcm,
321 ossltest_aes128_gcm_init_key)
322 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_gcm,
323 ossltest_aes128_gcm_cipher)
324 || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_gcm,
325 ossltest_aes128_gcm_ctrl)
326 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_gcm,
327 EVP_CIPHER_impl_ctx_size(EVP_aes_128_gcm())))) {
328 EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
329 _hidden_aes_128_gcm = NULL;
331 return _hidden_aes_128_gcm;
334 static EVP_CIPHER *_hidden_aes_128_cbc_hmac_sha1 = NULL;
336 static const EVP_CIPHER *ossltest_aes_128_cbc_hmac_sha1(void)
338 if (_hidden_aes_128_cbc_hmac_sha1 == NULL
339 && ((_hidden_aes_128_cbc_hmac_sha1
340 = EVP_CIPHER_meth_new(NID_aes_128_cbc_hmac_sha1,
342 16 /* key len */)) == NULL
343 || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc_hmac_sha1,16)
344 || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc_hmac_sha1,
345 EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
346 EVP_CIPH_FLAG_AEAD_CIPHER)
347 || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc_hmac_sha1,
348 ossltest_aes128_cbc_hmac_sha1_init_key)
349 || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc_hmac_sha1,
350 ossltest_aes128_cbc_hmac_sha1_cipher)
351 || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_cbc_hmac_sha1,
352 ossltest_aes128_cbc_hmac_sha1_ctrl)
353 || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_aes_128_cbc_hmac_sha1,
354 EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_set_asn1_iv)
355 || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_aes_128_cbc_hmac_sha1,
356 EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_get_asn1_iv)
357 || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc_hmac_sha1,
358 sizeof(EVP_AES_HMAC_SHA1)))) {
359 EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1);
360 _hidden_aes_128_cbc_hmac_sha1 = NULL;
362 return _hidden_aes_128_cbc_hmac_sha1;
365 static void destroy_ciphers(void)
367 EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
368 EVP_CIPHER_meth_free(_hidden_aes_128_gcm);
369 EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1);
370 _hidden_aes_128_cbc = NULL;
371 _hidden_aes_128_gcm = NULL;
372 _hidden_aes_128_cbc_hmac_sha1 = NULL;
376 static EVP_PKEY *load_key(ENGINE *eng, const char *key_id, int pub,
377 UI_METHOD *ui_method, void *ui_data)
382 if (OPENSSL_strncasecmp(key_id, "ot:", 3) != 0)
386 fprintf(stderr, "[ossltest]Loading %s key %s\n",
387 pub ? "Public" : "Private", key_id);
388 in = BIO_new_file(key_id, "r");
392 key = PEM_read_bio_PUBKEY(in, NULL, 0, NULL);
394 key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
399 static EVP_PKEY *ossltest_load_privkey(ENGINE *eng, const char *key_id,
400 UI_METHOD *ui_method, void *ui_data)
402 return load_key(eng, key_id, 0, ui_method, ui_data);
405 static EVP_PKEY *ossltest_load_pubkey(ENGINE *eng, const char *key_id,
406 UI_METHOD *ui_method, void *ui_data)
408 return load_key(eng, key_id, 1, ui_method, ui_data);
412 static int bind_ossltest(ENGINE *e)
414 /* Ensure the ossltest error handling is set up */
415 ERR_load_OSSLTEST_strings();
417 if (!ENGINE_set_id(e, engine_ossltest_id)
418 || !ENGINE_set_name(e, engine_ossltest_name)
419 || !ENGINE_set_digests(e, ossltest_digests)
420 || !ENGINE_set_ciphers(e, ossltest_ciphers)
421 || !ENGINE_set_RAND(e, ossltest_rand_method())
422 || !ENGINE_set_destroy_function(e, ossltest_destroy)
423 || !ENGINE_set_load_privkey_function(e, ossltest_load_privkey)
424 || !ENGINE_set_load_pubkey_function(e, ossltest_load_pubkey)
425 || !ENGINE_set_init_function(e, ossltest_init)
426 || !ENGINE_set_finish_function(e, ossltest_finish)) {
427 OSSLTESTerr(OSSLTEST_F_BIND_OSSLTEST, OSSLTEST_R_INIT_FAILED);
434 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
435 static int bind_helper(ENGINE *e, const char *id)
437 if (id && (strcmp(id, engine_ossltest_id) != 0))
439 if (!bind_ossltest(e))
444 IMPLEMENT_DYNAMIC_CHECK_FN()
445 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
448 static ENGINE *engine_ossltest(void)
450 ENGINE *ret = ENGINE_new();
453 if (!bind_ossltest(ret)) {
460 void ENGINE_load_ossltest(void)
462 /* Copied from eng_[openssl|dyn].c */
463 ENGINE *toadd = engine_ossltest();
472 static int ossltest_init(ENGINE *e)
478 static int ossltest_finish(ENGINE *e)
484 static int ossltest_destroy(ENGINE *e)
488 ERR_unload_OSSLTEST_strings();
492 static int ossltest_digests(ENGINE *e, const EVP_MD **digest,
493 const int **nids, int nid)
497 /* We are returning a list of supported nids */
498 return ossltest_digest_nids(nids);
500 /* We are being asked for a specific digest */
503 *digest = digest_md5();
506 *digest = digest_sha1();
509 *digest = digest_sha256();
512 *digest = digest_sha384();
515 *digest = digest_sha512();
525 static int ossltest_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
526 const int **nids, int nid)
530 /* We are returning a list of supported nids */
531 *nids = ossltest_cipher_nids;
532 return (sizeof(ossltest_cipher_nids) - 1)
533 / sizeof(ossltest_cipher_nids[0]);
535 /* We are being asked for a specific cipher */
537 case NID_aes_128_cbc:
538 *cipher = ossltest_aes_128_cbc();
540 case NID_aes_128_gcm:
541 *cipher = ossltest_aes_128_gcm();
543 case NID_aes_128_cbc_hmac_sha1:
544 *cipher = ossltest_aes_128_cbc_hmac_sha1();
554 static void fill_known_data(unsigned char *md, unsigned int len)
558 for (i=0; i<len; i++) {
559 md[i] = (unsigned char)(i & 0xff);
564 * MD5 implementation. We go through the motions of doing MD5 by deferring to
565 * the standard implementation. Then we overwrite the result with a will defined
566 * value, so that all "MD5" digests using the test engine always end up with
569 static int digest_md5_init(EVP_MD_CTX *ctx)
571 return EVP_MD_meth_get_init(EVP_md5())(ctx);
574 static int digest_md5_update(EVP_MD_CTX *ctx, const void *data,
577 return EVP_MD_meth_get_update(EVP_md5())(ctx, data, count);
580 static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
582 int ret = EVP_MD_meth_get_final(EVP_md5())(ctx, md);
585 fill_known_data(md, MD5_DIGEST_LENGTH);
591 * SHA1 implementation.
593 static int digest_sha1_init(EVP_MD_CTX *ctx)
595 return EVP_MD_meth_get_init(EVP_sha1())(ctx);
598 static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data,
601 return EVP_MD_meth_get_update(EVP_sha1())(ctx, data, count);
604 static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
606 int ret = EVP_MD_meth_get_final(EVP_sha1())(ctx, md);
609 fill_known_data(md, SHA_DIGEST_LENGTH);
615 * SHA256 implementation.
617 static int digest_sha256_init(EVP_MD_CTX *ctx)
619 return EVP_MD_meth_get_init(EVP_sha256())(ctx);
622 static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data,
625 return EVP_MD_meth_get_update(EVP_sha256())(ctx, data, count);
628 static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md)
630 int ret = EVP_MD_meth_get_final(EVP_sha256())(ctx, md);
633 fill_known_data(md, SHA256_DIGEST_LENGTH);
639 * SHA384 implementation.
641 static int digest_sha384_init(EVP_MD_CTX *ctx)
643 return EVP_MD_meth_get_init(EVP_sha384())(ctx);
646 static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data,
649 return EVP_MD_meth_get_update(EVP_sha384())(ctx, data, count);
652 static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md)
654 int ret = EVP_MD_meth_get_final(EVP_sha384())(ctx, md);
657 fill_known_data(md, SHA384_DIGEST_LENGTH);
663 * SHA512 implementation.
665 static int digest_sha512_init(EVP_MD_CTX *ctx)
667 return EVP_MD_meth_get_init(EVP_sha512())(ctx);
670 static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data,
673 return EVP_MD_meth_get_update(EVP_sha512())(ctx, data, count);
676 static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md)
678 int ret = EVP_MD_meth_get_final(EVP_sha512())(ctx, md);
681 fill_known_data(md, SHA512_DIGEST_LENGTH);
687 * AES128 Implementation
690 static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx,
691 const unsigned char *key,
692 const unsigned char *iv, int enc)
694 return EVP_CIPHER_meth_get_init(EVP_aes_128_cbc()) (ctx, key, iv, enc);
697 static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
698 const unsigned char *in, size_t inl)
700 unsigned char *tmpbuf;
703 tmpbuf = OPENSSL_malloc(inl);
705 /* OPENSSL_malloc will return NULL if inl == 0 */
706 if (tmpbuf == NULL && inl > 0)
709 /* Remember what we were asked to encrypt */
711 memcpy(tmpbuf, in, inl);
713 /* Go through the motions of encrypting it */
714 ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc())(ctx, out, in, inl);
716 /* Throw it all away and just use the plaintext as the output */
718 memcpy(out, tmpbuf, inl);
719 OPENSSL_free(tmpbuf);
724 static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx,
725 const unsigned char *key,
726 const unsigned char *iv, int enc)
728 return EVP_CIPHER_meth_get_init(EVP_aes_128_gcm()) (ctx, key, iv, enc);
731 static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
732 const unsigned char *in, size_t inl)
734 unsigned char *tmpbuf = OPENSSL_malloc(inl);
736 /* OPENSSL_malloc will return NULL if inl == 0 */
737 if (tmpbuf == NULL && inl > 0)
740 /* Remember what we were asked to encrypt */
742 memcpy(tmpbuf, in, inl);
744 /* Go through the motions of encrypting it */
745 EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
747 /* Throw it all away and just use the plaintext as the output */
748 if (tmpbuf != NULL && out != NULL)
749 memcpy(out, tmpbuf, inl);
750 OPENSSL_free(tmpbuf);
755 static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
758 /* Pass the ctrl down */
759 int ret = EVP_CIPHER_meth_get_ctrl(EVP_aes_128_gcm())(ctx, type, arg, ptr);
765 case EVP_CTRL_AEAD_GET_TAG:
766 /* Always give the same tag */
767 memset(ptr, 0, EVP_GCM_TLS_TAG_LEN);
777 #define NO_PAYLOAD_LENGTH ((size_t)-1)
778 # define data(ctx) ((EVP_AES_HMAC_SHA1 *)EVP_CIPHER_CTX_get_cipher_data(ctx))
780 static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
781 const unsigned char *inkey,
782 const unsigned char *iv,
785 EVP_AES_HMAC_SHA1 *key = data(ctx);
786 key->payload_length = NO_PAYLOAD_LENGTH;
790 static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx,
792 const unsigned char *in,
795 EVP_AES_HMAC_SHA1 *key = data(ctx);
797 size_t plen = key->payload_length;
799 key->payload_length = NO_PAYLOAD_LENGTH;
801 if (len % AES_BLOCK_SIZE)
804 if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
805 if (plen == NO_PAYLOAD_LENGTH)
808 ((plen + SHA_DIGEST_LENGTH +
809 AES_BLOCK_SIZE) & -AES_BLOCK_SIZE))
812 memmove(out, in, plen);
814 if (plen != len) { /* "TLS" mode of operation */
815 /* calculate HMAC and append it to payload */
816 fill_known_data(out + plen, SHA_DIGEST_LENGTH);
818 /* pad the payload|hmac */
819 plen += SHA_DIGEST_LENGTH;
820 for (l = len - plen - 1; plen < len; plen++)
824 /* decrypt HMAC|padding at once */
825 memmove(out, in, len);
827 if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
828 unsigned int maxpad, pad;
830 if (key->tls_ver >= TLS1_1_VERSION) {
831 if (len < (AES_BLOCK_SIZE + SHA_DIGEST_LENGTH + 1))
834 /* omit explicit iv */
835 in += AES_BLOCK_SIZE;
836 out += AES_BLOCK_SIZE;
837 len -= AES_BLOCK_SIZE;
838 } else if (len < (SHA_DIGEST_LENGTH + 1))
841 /* figure out payload length */
843 maxpad = len - (SHA_DIGEST_LENGTH + 1);
846 for (plen = len - pad - 1; plen < len; plen++)
847 if (out[plen] != pad)
855 static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
858 EVP_AES_HMAC_SHA1 *key = data(ctx);
861 case EVP_CTRL_AEAD_SET_MAC_KEY:
864 case EVP_CTRL_AEAD_TLS1_AAD:
866 unsigned char *p = ptr;
869 if (arg != EVP_AEAD_TLS1_AAD_LEN)
872 len = p[arg - 2] << 8 | p[arg - 1];
873 key->tls_ver = p[arg - 4] << 8 | p[arg - 3];
875 if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
876 key->payload_length = len;
877 if (key->tls_ver >= TLS1_1_VERSION) {
878 if (len < AES_BLOCK_SIZE)
880 len -= AES_BLOCK_SIZE;
881 p[arg - 2] = len >> 8;
885 return (int)(((len + SHA_DIGEST_LENGTH +
886 AES_BLOCK_SIZE) & -AES_BLOCK_SIZE)
889 key->payload_length = arg;
891 return SHA_DIGEST_LENGTH;
899 static int ossltest_rand_bytes(unsigned char *buf, int num)
901 unsigned char val = 1;
908 static int ossltest_rand_status(void)
913 static const RAND_METHOD *ossltest_rand_method(void)
916 static RAND_METHOD osslt_rand_meth = {
925 return &osslt_rand_meth;