2 * Copyright 2019 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
12 #include <openssl/core.h>
13 #include <openssl/core_numbers.h>
14 #include <openssl/core_names.h>
15 #include <openssl/params.h>
16 #include <openssl/err.h>
17 #include <openssl/evp.h>
19 /* TODO(3.0): Needed for dummy_evp_call(). To be removed */
20 #include <openssl/sha.h>
21 #include <openssl/rand_drbg.h>
22 #include <openssl/ec.h>
24 #include "internal/cryptlib.h"
25 #include "internal/property.h"
26 #include "internal/evp_int.h"
27 #include "internal/provider_algs.h"
28 #include "internal/provider_ctx.h"
29 #include "internal/providercommon.h"
31 extern OSSL_core_thread_start_fn *c_thread_start;
34 * TODO(3.0): Should these be stored in the provider side provctx? Could they
35 * ever be different from one init to the next? Unfortunately we can't do this
36 * at the moment because c_put_error/c_add_error_vdata do not provide
37 * us with the OPENSSL_CTX as a parameter.
39 /* Functions provided by the core */
40 static OSSL_core_get_param_types_fn *c_get_param_types;
41 static OSSL_core_get_params_fn *c_get_params;
42 OSSL_core_thread_start_fn *c_thread_start;
43 static OSSL_core_new_error_fn *c_new_error;
44 static OSSL_core_set_error_debug_fn *c_set_error_debug;
45 static OSSL_core_vset_error_fn *c_vset_error;
46 static OSSL_CRYPTO_malloc_fn *c_CRYPTO_malloc;
47 static OSSL_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
48 static OSSL_CRYPTO_free_fn *c_CRYPTO_free;
49 static OSSL_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
50 static OSSL_CRYPTO_realloc_fn *c_CRYPTO_realloc;
51 static OSSL_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
52 static OSSL_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
53 static OSSL_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
54 static OSSL_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
55 static OSSL_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
56 static OSSL_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
58 typedef struct fips_global_st {
59 const OSSL_PROVIDER *prov;
62 static void *fips_prov_ossl_ctx_new(OPENSSL_CTX *libctx)
64 FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
69 static void fips_prov_ossl_ctx_free(void *fgbl)
74 static const OPENSSL_CTX_METHOD fips_prov_ossl_ctx_method = {
75 fips_prov_ossl_ctx_new,
76 fips_prov_ossl_ctx_free,
80 /* Parameters we provide to the core */
81 static const OSSL_PARAM fips_param_types[] = {
82 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
83 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
84 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
88 /* TODO(3.0): To be removed */
89 static int dummy_evp_call(void *provctx)
91 OPENSSL_CTX *libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
92 EVP_MD_CTX *ctx = EVP_MD_CTX_new();
93 EVP_MD *sha256 = EVP_MD_fetch(libctx, "SHA256", NULL);
94 char msg[] = "Hello World!";
95 const unsigned char exptd[] = {
96 0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81,
97 0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28,
98 0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69
100 unsigned int dgstlen = 0;
101 unsigned char dgst[SHA256_DIGEST_LENGTH];
103 BN_CTX *bnctx = NULL;
104 BIGNUM *a = NULL, *b = NULL;
105 unsigned char randbuf[128];
106 RAND_DRBG *drbg = OPENSSL_CTX_get0_public_drbg(libctx);
109 if (ctx == NULL || sha256 == NULL || drbg == NULL)
112 if (!EVP_DigestInit_ex(ctx, sha256, NULL))
114 if (!EVP_DigestUpdate(ctx, msg, sizeof(msg) - 1))
116 if (!EVP_DigestFinal(ctx, dgst, &dgstlen))
118 if (dgstlen != sizeof(exptd) || memcmp(dgst, exptd, sizeof(exptd)) != 0)
121 bnctx = BN_CTX_new_ex(libctx);
125 a = BN_CTX_get(bnctx);
126 b = BN_CTX_get(bnctx);
132 || BN_cmp(a, b) != 0)
135 if (RAND_DRBG_bytes(drbg, randbuf, sizeof(randbuf)) <= 0)
138 if (!BN_rand_ex(a, 256, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY, bnctx))
141 /* Do some dummy EC calls */
142 key = EC_KEY_new_by_curve_name_ex(libctx, NID_X9_62_prime256v1);
146 if (!EC_KEY_generate_key(key))
154 EVP_MD_CTX_free(ctx);
155 EVP_MD_meth_free(sha256);
161 static const OSSL_PARAM *fips_get_param_types(const OSSL_PROVIDER *prov)
163 return fips_param_types;
166 static int fips_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
170 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
171 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
173 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
174 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
176 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
177 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
183 /* FIPS specific version of the function of the same name in provlib.c */
184 const char *ossl_prov_util_nid_to_name(int nid)
186 /* We don't have OBJ_nid2n() in FIPS_MODE so we have an explicit list */
214 case NID_aes_256_ecb:
215 return "AES-256-ECB";
216 case NID_aes_192_ecb:
217 return "AES-192-ECB";
218 case NID_aes_128_ecb:
219 return "AES-128-ECB";
220 case NID_aes_256_cbc:
221 return "AES-256-CBC";
222 case NID_aes_192_cbc:
223 return "AES-192-CBC";
224 case NID_aes_128_cbc:
225 return "AES-128-CBC";
226 case NID_aes_256_ctr:
227 return "AES-256-CTR";
228 case NID_aes_192_ctr:
229 return "AES-192-CTR";
230 case NID_aes_128_ctr:
231 return "AES-128-CTR";
237 static const OSSL_ALGORITHM fips_digests[] = {
238 { "SHA1", "fips=yes", sha1_functions },
239 { "SHA224", "fips=yes", sha224_functions },
240 { "SHA256", "fips=yes", sha256_functions },
241 { "SHA384", "fips=yes", sha384_functions },
242 { "SHA512", "fips=yes", sha512_functions },
243 { "SHA512-224", "fips=yes", sha512_224_functions },
244 { "SHA512-256", "fips=yes", sha512_256_functions },
245 { "SHA3-224", "fips=yes", sha3_224_functions },
246 { "SHA3-256", "fips=yes", sha3_256_functions },
247 { "SHA3-384", "fips=yes", sha3_384_functions },
248 { "SHA3-512", "fips=yes", sha3_512_functions },
249 { "KMAC128", "fips=yes", keccak_kmac_128_functions },
250 { "KMAC256", "fips=yes", keccak_kmac_256_functions },
255 static const OSSL_ALGORITHM fips_ciphers[] = {
256 { "AES-256-ECB", "fips=yes", aes256ecb_functions },
257 { "AES-192-ECB", "fips=yes", aes192ecb_functions },
258 { "AES-128-ECB", "fips=yes", aes128ecb_functions },
259 { "AES-256-CBC", "fips=yes", aes256cbc_functions },
260 { "AES-192-CBC", "fips=yes", aes192cbc_functions },
261 { "AES-128-CBC", "fips=yes", aes128cbc_functions },
262 { "AES-256-CTR", "fips=yes", aes256ctr_functions },
263 { "AES-192-CTR", "fips=yes", aes192ctr_functions },
264 { "AES-128-CTR", "fips=yes", aes128ctr_functions },
265 { "id-aes256-GCM", "fips=yes", aes256gcm_functions },
266 { "id-aes192-GCM", "fips=yes", aes192gcm_functions },
267 { "id-aes128-GCM", "fips=yes", aes128gcm_functions },
271 static const OSSL_ALGORITHM *fips_query(OSSL_PROVIDER *prov,
276 switch (operation_id) {
285 /* Functions we provide to the core */
286 static const OSSL_DISPATCH fips_dispatch_table[] = {
288 * To release our resources we just need to free the OPENSSL_CTX so we just
289 * use OPENSSL_CTX_free directly as our teardown function
291 { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))OPENSSL_CTX_free },
292 { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))fips_get_param_types },
293 { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
294 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
298 /* Functions we provide to ourself */
299 static const OSSL_DISPATCH intern_dispatch_table[] = {
300 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
305 int OSSL_provider_init(const OSSL_PROVIDER *provider,
306 const OSSL_DISPATCH *in,
307 const OSSL_DISPATCH **out,
313 for (; in->function_id != 0; in++) {
314 switch (in->function_id) {
315 case OSSL_FUNC_CORE_GET_PARAM_TYPES:
316 c_get_param_types = OSSL_get_core_get_param_types(in);
318 case OSSL_FUNC_CORE_GET_PARAMS:
319 c_get_params = OSSL_get_core_get_params(in);
321 case OSSL_FUNC_CORE_THREAD_START:
322 c_thread_start = OSSL_get_core_thread_start(in);
324 case OSSL_FUNC_CORE_NEW_ERROR:
325 c_new_error = OSSL_get_core_new_error(in);
327 case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
328 c_set_error_debug = OSSL_get_core_set_error_debug(in);
330 case OSSL_FUNC_CORE_VSET_ERROR:
331 c_vset_error = OSSL_get_core_vset_error(in);
333 case OSSL_FUNC_CRYPTO_MALLOC:
334 c_CRYPTO_malloc = OSSL_get_CRYPTO_malloc(in);
336 case OSSL_FUNC_CRYPTO_ZALLOC:
337 c_CRYPTO_zalloc = OSSL_get_CRYPTO_zalloc(in);
339 case OSSL_FUNC_CRYPTO_FREE:
340 c_CRYPTO_free = OSSL_get_CRYPTO_free(in);
342 case OSSL_FUNC_CRYPTO_CLEAR_FREE:
343 c_CRYPTO_clear_free = OSSL_get_CRYPTO_clear_free(in);
345 case OSSL_FUNC_CRYPTO_REALLOC:
346 c_CRYPTO_realloc = OSSL_get_CRYPTO_realloc(in);
348 case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
349 c_CRYPTO_clear_realloc = OSSL_get_CRYPTO_clear_realloc(in);
351 case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
352 c_CRYPTO_secure_malloc = OSSL_get_CRYPTO_secure_malloc(in);
354 case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
355 c_CRYPTO_secure_zalloc = OSSL_get_CRYPTO_secure_zalloc(in);
357 case OSSL_FUNC_CRYPTO_SECURE_FREE:
358 c_CRYPTO_secure_free = OSSL_get_CRYPTO_secure_free(in);
360 case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
361 c_CRYPTO_secure_clear_free = OSSL_get_CRYPTO_secure_clear_free(in);
363 case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
364 c_CRYPTO_secure_allocated = OSSL_get_CRYPTO_secure_allocated(in);
367 /* Just ignore anything we don't understand */
372 /* Create a context. */
373 if ((ctx = OPENSSL_CTX_new()) == NULL)
375 if ((fgbl = openssl_ctx_get_data(ctx, OPENSSL_CTX_FIPS_PROV_INDEX,
376 &fips_prov_ossl_ctx_method)) == NULL) {
377 OPENSSL_CTX_free(ctx);
380 fgbl->prov = provider;
381 *out = fips_dispatch_table;
385 * TODO(3.0): Remove me. This is just a dummy call to demonstrate making
386 * EVP calls from within the FIPS module.
388 if (!dummy_evp_call(*provctx)) {
389 OPENSSL_CTX_free(*provctx);
398 * The internal init function used when the FIPS module uses EVP to call
399 * another algorithm also in the FIPS module. This is a recursive call that has
400 * been made from within the FIPS module itself. To make this work, we populate
401 * the provider context of this inner instance with the same library context
402 * that was used in the EVP call that initiated this recursive call.
404 OSSL_provider_init_fn fips_intern_provider_init;
405 int fips_intern_provider_init(const OSSL_PROVIDER *provider,
406 const OSSL_DISPATCH *in,
407 const OSSL_DISPATCH **out,
410 OSSL_core_get_library_context_fn *c_get_libctx = NULL;
412 for (; in->function_id != 0; in++) {
413 switch (in->function_id) {
414 case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
415 c_get_libctx = OSSL_get_core_get_library_context(in);
422 if (c_get_libctx == NULL)
425 *provctx = c_get_libctx(provider);
428 * Safety measure... we should get the library context that was
429 * created up in OSSL_provider_init().
431 if (*provctx == NULL)
434 *out = intern_dispatch_table;
443 void ERR_set_debug(const char *file, int line, const char *func)
445 c_set_error_debug(NULL, file, line, func);
448 void ERR_set_error(int lib, int reason, const char *fmt, ...)
453 c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
457 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
459 c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
462 const OSSL_PROVIDER *FIPS_get_provider(OPENSSL_CTX *ctx)
464 FIPS_GLOBAL *fgbl = openssl_ctx_get_data(ctx, OPENSSL_CTX_FIPS_PROV_INDEX,
465 &fips_prov_ossl_ctx_method);
473 void *CRYPTO_malloc(size_t num, const char *file, int line)
475 return c_CRYPTO_malloc(num, file, line);
478 void *CRYPTO_zalloc(size_t num, const char *file, int line)
480 return c_CRYPTO_zalloc(num, file, line);
483 void CRYPTO_free(void *ptr, const char *file, int line)
485 c_CRYPTO_free(ptr, file, line);
488 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
490 c_CRYPTO_clear_free(ptr, num, file, line);
493 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
495 return c_CRYPTO_realloc(addr, num, file, line);
498 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
499 const char *file, int line)
501 return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
504 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
506 return c_CRYPTO_secure_malloc(num, file, line);
509 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
511 return c_CRYPTO_secure_zalloc(num, file, line);
514 void CRYPTO_secure_free(void *ptr, const char *file, int line)
516 c_CRYPTO_secure_free(ptr, file, line);
519 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
521 c_CRYPTO_secure_clear_free(ptr, num, file, line);
524 int CRYPTO_secure_allocated(const void *ptr)
526 return c_CRYPTO_secure_allocated(ptr);