fipsprov.c@ 101021

Last change on this file since 101021 was 101021, checked in by vboxsync, 15 months ago
openssl-3.1.2: Applied and adjusted our OpenSSL changes to 3.1.0. bugref:10519
File size: 35.8 KB

Line
1	/*
2	* Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
3	*
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
8	*/
9
10	#include <assert.h>
11	#include <openssl/core_dispatch.h>
12	#include <openssl/core_names.h>
13	#include <openssl/params.h>
14	#include <openssl/fips_names.h>
15	#include <openssl/rand.h> /* RAND_get0_public() */
16	#include <openssl/proverr.h>
17	#include "internal/cryptlib.h"
18	#include "prov/implementations.h"
19	#include "prov/names.h"
20	#include "prov/provider_ctx.h"
21	#include "prov/providercommon.h"
22	#include "prov/provider_util.h"
23	#include "prov/seeding.h"
24	#include "prov/fipscommon.h"
25	#include "internal/nelem.h"
26	#include "self_test.h"
27	#include "crypto/context.h"
28	#include "internal/core.h"
29
30	static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
31	static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
32
33	/*
34	* Forward declarations to ensure that interface functions are correctly
35	* defined.
36	*/
37	static OSSL_FUNC_provider_teardown_fn fips_teardown;
38	static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
39	static OSSL_FUNC_provider_get_params_fn fips_get_params;
40	static OSSL_FUNC_provider_query_operation_fn fips_query;
41
42	#define ALGC(NAMES, FUNC, CHECK) \
43	{ { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
44	#define UNAPPROVED_ALGC(NAMES, FUNC, CHECK) \
45	{ { NAMES, FIPS_UNAPPROVED_PROPERTIES, FUNC }, CHECK }
46	#define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
47	#define UNAPPROVED_ALG(NAMES, FUNC) UNAPPROVED_ALGC(NAMES, FUNC, NULL)
48
49	extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
50
51	/*
52	* Should these function pointers be stored in the provider side provctx? Could
53	* they ever be different from one init to the next? We assume not for now.
54	*/
55
56	/* Functions provided by the core */
57	static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
58	static OSSL_FUNC_core_get_params_fn *c_get_params;
59	OSSL_FUNC_core_thread_start_fn *c_thread_start;
60	static OSSL_FUNC_core_new_error_fn *c_new_error;
61	static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
62	static OSSL_FUNC_core_vset_error_fn *c_vset_error;
63	static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
64	static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
65	static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
66	static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
67	static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
68	static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
69	static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
70	static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
71	static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
72	static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
73	static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
74	static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
75	static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
76	static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
77	static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
78	static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
79	static OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
80
81	typedef struct {
82	const char *option;
83	unsigned char enabled;
84	} FIPS_OPTION;
85
86	typedef struct fips_global_st {
87	const OSSL_CORE_HANDLE *handle;
88	SELF_TEST_POST_PARAMS selftest_params;
89	FIPS_OPTION fips_security_checks;
90	FIPS_OPTION fips_tls1_prf_ems_check;
91	FIPS_OPTION fips_restricted_drgb_digests;
92	} FIPS_GLOBAL;
93
94	static void init_fips_option(FIPS_OPTION *opt, int enabled)
95	{
96	opt->enabled = enabled;
97	opt->option = enabled ? "1" : "0";
98	}
99
100	void ossl_fips_prov_ossl_ctx_new(OSSL_LIB_CTX libctx)
101	{
102	FIPS_GLOBAL fgbl = OPENSSL_zalloc(sizeof(fgbl));
103
104	if (fgbl == NULL)
105	return NULL;
106	init_fips_option(&fgbl->fips_security_checks, 1);
107	init_fips_option(&fgbl->fips_tls1_prf_ems_check, 0); /* Disabled by default */
108	init_fips_option(&fgbl->fips_restricted_drgb_digests, 0);
109	return fgbl;
110	}
111
112	void ossl_fips_prov_ossl_ctx_free(void *fgbl)
113	{
114	OPENSSL_free(fgbl);
115	}
116
117	/* Parameters we provide to the core */
118	static const OSSL_PARAM fips_param_types[] = {
119	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
120	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
121	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
122	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
123	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
124	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_TLS1_PRF_EMS_CHECK, OSSL_PARAM_INTEGER, NULL, 0),
125	OSSL_PARAM_DEFN(OSSL_PROV_PARAM_DRBG_TRUNC_DIGEST, OSSL_PARAM_INTEGER, NULL, 0),
126	OSSL_PARAM_END
127	};
128
129	static int fips_get_params_from_core(FIPS_GLOBAL *fgbl)
130	{
131	/*
132	* Parameters to retrieve from the core provider - required for self testing.
133	* NOTE: inside core_get_params() these will be loaded from config items
134	* stored inside prov->parameters (except for
135	* OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
136	* OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS and
137	* OSSL_PROV_FIPS_PARAM_TLS1_PRF_EMS_CHECK are not self test parameters.
138	*/
139	OSSL_PARAM core_params[10], *p = core_params;
140
141	*p++ = OSSL_PARAM_construct_utf8_ptr(
142	OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
143	(char **)&fgbl->selftest_params.module_filename,
144	sizeof(fgbl->selftest_params.module_filename));
145	*p++ = OSSL_PARAM_construct_utf8_ptr(
146	OSSL_PROV_FIPS_PARAM_MODULE_MAC,
147	(char **)&fgbl->selftest_params.module_checksum_data,
148	sizeof(fgbl->selftest_params.module_checksum_data));
149	*p++ = OSSL_PARAM_construct_utf8_ptr(
150	OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
151	(char **)&fgbl->selftest_params.indicator_checksum_data,
152	sizeof(fgbl->selftest_params.indicator_checksum_data));
153	*p++ = OSSL_PARAM_construct_utf8_ptr(
154	OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
155	(char **)&fgbl->selftest_params.indicator_data,
156	sizeof(fgbl->selftest_params.indicator_data));
157	*p++ = OSSL_PARAM_construct_utf8_ptr(
158	OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
159	(char **)&fgbl->selftest_params.indicator_version,
160	sizeof(fgbl->selftest_params.indicator_version));
161	*p++ = OSSL_PARAM_construct_utf8_ptr(
162	OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
163	(char **)&fgbl->selftest_params.conditional_error_check,
164	sizeof(fgbl->selftest_params.conditional_error_check));
165
166	/* FIPS features can be enabled or disabled independently */
167	#define FIPS_FEATURE_OPTION(fgbl, pname, field) \
168	*p++ = OSSL_PARAM_construct_utf8_ptr( \
169	pname, (char **)&fgbl->field.option, \
170	sizeof(fgbl->field.option))
171
172	FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
173	fips_security_checks);
174	FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_TLS1_PRF_EMS_CHECK,
175	fips_tls1_prf_ems_check);
176	FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_DRBG_TRUNC_DIGEST,
177	fips_restricted_drgb_digests);
178	#undef FIPS_FEATURE_OPTION
179
180	*p = OSSL_PARAM_construct_end();
181
182	if (!c_get_params(fgbl->handle, core_params)) {
183	ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
184	return 0;
185	}
186
187	return 1;
188	}
189
190	static const OSSL_PARAM fips_gettable_params(void provctx)
191	{
192	return fips_param_types;
193	}
194
195	static int fips_get_params(void *provctx, OSSL_PARAM params[])
196	{
197	OSSL_PARAM *p;
198	FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
199	OSSL_LIB_CTX_FIPS_PROV_INDEX);
200
201	p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
202	if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
203	return 0;
204	p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
205	if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
206	return 0;
207	p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
208	if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
209	return 0;
210	p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
211	if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
212	return 0;
213
214	#define FIPS_FEATURE_GET(fgbl, pname, field) \
215	p = OSSL_PARAM_locate(params, pname); \
216	if (p != NULL && !OSSL_PARAM_set_int(p, fgbl->field.enabled)) \
217	return 0
218
219	FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_SECURITY_CHECKS,
220	fips_security_checks);
221	FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_TLS1_PRF_EMS_CHECK,
222	fips_tls1_prf_ems_check);
223	FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_DRBG_TRUNC_DIGEST,
224	fips_restricted_drgb_digests);
225	#undef FIPS_FEATURE_GET
226	return 1;
227	}
228
229	static void set_self_test_cb(FIPS_GLOBAL *fgbl)
230	{
231	const OSSL_CORE_HANDLE *handle =
232	FIPS_get_core_handle(fgbl->selftest_params.libctx);
233
234	if (c_stcbfn != NULL && c_get_libctx != NULL) {
235	c_stcbfn(c_get_libctx(handle), &fgbl->selftest_params.cb,
236	&fgbl->selftest_params.cb_arg);
237	} else {
238	fgbl->selftest_params.cb = NULL;
239	fgbl->selftest_params.cb_arg = NULL;
240	}
241	}
242
243	static int fips_self_test(void *provctx)
244	{
245	FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
246	OSSL_LIB_CTX_FIPS_PROV_INDEX);
247
248	set_self_test_cb(fgbl);
249	return SELF_TEST_post(&fgbl->selftest_params, 1) ? 1 : 0;
250	}
251
252	/*
253	* For the algorithm names, we use the following formula for our primary
254	* names:
255	*
256	* ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
257	*
258	* VERSION is only present if there are multiple versions of
259	* an alg (MD2, MD4, MD5). It may be omitted if there is only
260	* one version (if a subsequent version is released in the future,
261	* we can always change the canonical name, and add the old name
262	* as an alias).
263	*
264	* SUBNAME may be present where we are combining multiple
265	* algorithms together, e.g. MD5-SHA1.
266	*
267	* SIZE is only present if multiple versions of an algorithm exist
268	* with different sizes (e.g. AES-128-CBC, AES-256-CBC)
269	*
270	* MODE is only present where applicable.
271	*
272	* We add diverse other names where applicable, such as the names that
273	* NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
274	* we have used historically.
275	*/
276	static const OSSL_ALGORITHM fips_digests[] = {
277	/* Our primary name:NiST name[:our older names] */
278	{ PROV_NAMES_SHA1, FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
279	{ PROV_NAMES_SHA2_224, FIPS_DEFAULT_PROPERTIES, ossl_sha224_functions },
280	{ PROV_NAMES_SHA2_256, FIPS_DEFAULT_PROPERTIES, ossl_sha256_functions },
281	{ PROV_NAMES_SHA2_384, FIPS_DEFAULT_PROPERTIES, ossl_sha384_functions },
282	{ PROV_NAMES_SHA2_512, FIPS_DEFAULT_PROPERTIES, ossl_sha512_functions },
283	{ PROV_NAMES_SHA2_512_224, FIPS_DEFAULT_PROPERTIES,
284	ossl_sha512_224_functions },
285	{ PROV_NAMES_SHA2_512_256, FIPS_DEFAULT_PROPERTIES,
286	ossl_sha512_256_functions },
287
288	/* We agree with NIST here, so one name only */
289	{ PROV_NAMES_SHA3_224, FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
290	{ PROV_NAMES_SHA3_256, FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
291	{ PROV_NAMES_SHA3_384, FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
292	{ PROV_NAMES_SHA3_512, FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
293
294	{ PROV_NAMES_SHAKE_128, FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
295	{ PROV_NAMES_SHAKE_256, FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
296
297	/*
298	* KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
299	* KMAC128 and KMAC256.
300	*/
301	{ PROV_NAMES_KECCAK_KMAC_128, FIPS_DEFAULT_PROPERTIES,
302	ossl_keccak_kmac_128_functions },
303	{ PROV_NAMES_KECCAK_KMAC_256, FIPS_DEFAULT_PROPERTIES,
304	ossl_keccak_kmac_256_functions },
305	{ NULL, NULL, NULL }
306	};
307
308	static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
309	/* Our primary name[:ASN.1 OID name][:our older names] */
310	ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
311	ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
312	ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
313	ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
314	ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
315	ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
316	ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
317	ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
318	ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
319	ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
320	ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
321	ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
322	ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
323	ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
324	ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
325	ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
326	ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
327	ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
328	ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
329	ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
330	ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
331	ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
332	ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
333	ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
334	ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
335	ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
336	ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
337	ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
338	ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
339	ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
340	ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
341	ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
342	ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
343	ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
344	ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
345	ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
346	ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
347	ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
348	ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
349	ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
350	ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
351	ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
352	ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
353	ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
354	ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
355	ossl_cipher_capable_aes_cbc_hmac_sha1),
356	ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
357	ossl_cipher_capable_aes_cbc_hmac_sha1),
358	ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
359	ossl_cipher_capable_aes_cbc_hmac_sha256),
360	ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
361	ossl_cipher_capable_aes_cbc_hmac_sha256),
362	#ifndef OPENSSL_NO_DES
363	UNAPPROVED_ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
364	UNAPPROVED_ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
365	#endif /* OPENSSL_NO_DES */
366	{ { NULL, NULL, NULL }, NULL }
367	};
368	static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
369
370	static const OSSL_ALGORITHM fips_macs[] = {
371	#ifndef OPENSSL_NO_CMAC
372	{ PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
373	#endif
374	{ PROV_NAMES_GMAC, FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
375	{ PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
376	{ PROV_NAMES_KMAC_128, FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
377	{ PROV_NAMES_KMAC_256, FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
378	{ NULL, NULL, NULL }
379	};
380
381	static const OSSL_ALGORITHM fips_kdfs[] = {
382	{ PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
383	{ PROV_NAMES_TLS1_3_KDF, FIPS_DEFAULT_PROPERTIES,
384	ossl_kdf_tls1_3_kdf_functions },
385	{ PROV_NAMES_SSKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
386	{ PROV_NAMES_PBKDF2, FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
387	{ PROV_NAMES_SSHKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
388	{ PROV_NAMES_X963KDF, FIPS_DEFAULT_PROPERTIES,
389	ossl_kdf_x963_kdf_functions },
390	{ PROV_NAMES_X942KDF_ASN1, FIPS_DEFAULT_PROPERTIES,
391	ossl_kdf_x942_kdf_functions },
392	{ PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
393	ossl_kdf_tls1_prf_functions },
394	{ PROV_NAMES_KBKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
395	{ NULL, NULL, NULL }
396	};
397
398	static const OSSL_ALGORITHM fips_rands[] = {
399	{ PROV_NAMES_CTR_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
400	{ PROV_NAMES_HASH_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
401	{ PROV_NAMES_HMAC_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
402	{ PROV_NAMES_TEST_RAND, FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
403	{ NULL, NULL, NULL }
404	};
405
406	static const OSSL_ALGORITHM fips_keyexch[] = {
407	#ifndef OPENSSL_NO_DH
408	{ PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
409	#endif
410	#ifndef OPENSSL_NO_EC
411	{ PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
412	{ PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
413	{ PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
414	#endif
415	{ PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
416	ossl_kdf_tls1_prf_keyexch_functions },
417	{ PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
418	{ NULL, NULL, NULL }
419	};
420
421	static const OSSL_ALGORITHM fips_signature[] = {
422	#ifndef OPENSSL_NO_DSA
423	{ PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_signature_functions },
424	#endif
425	{ PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_signature_functions },
426	#ifndef OPENSSL_NO_EC
427	{ PROV_NAMES_ED25519, FIPS_UNAPPROVED_PROPERTIES,
428	ossl_ed25519_signature_functions },
429	{ PROV_NAMES_ED448, FIPS_UNAPPROVED_PROPERTIES, ossl_ed448_signature_functions },
430	{ PROV_NAMES_ECDSA, FIPS_DEFAULT_PROPERTIES, ossl_ecdsa_signature_functions },
431	#endif
432	{ PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES,
433	ossl_mac_legacy_hmac_signature_functions },
434	#ifndef OPENSSL_NO_CMAC
435	{ PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
436	ossl_mac_legacy_cmac_signature_functions },
437	#endif
438	{ NULL, NULL, NULL }
439	};
440
441	static const OSSL_ALGORITHM fips_asym_cipher[] = {
442	{ PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_cipher_functions },
443	{ NULL, NULL, NULL }
444	};
445
446	static const OSSL_ALGORITHM fips_asym_kem[] = {
447	{ PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
448	{ NULL, NULL, NULL }
449	};
450
451	static const OSSL_ALGORITHM fips_keymgmt[] = {
452	#ifndef OPENSSL_NO_DH
453	{ PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions,
454	PROV_DESCS_DH },
455	{ PROV_NAMES_DHX, FIPS_DEFAULT_PROPERTIES, ossl_dhx_keymgmt_functions,
456	PROV_DESCS_DHX },
457	#endif
458	#ifndef OPENSSL_NO_DSA
459	{ PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions,
460	PROV_DESCS_DSA },
461	#endif
462	{ PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_keymgmt_functions,
463	PROV_DESCS_RSA },
464	{ PROV_NAMES_RSA_PSS, FIPS_DEFAULT_PROPERTIES,
465	ossl_rsapss_keymgmt_functions, PROV_DESCS_RSA_PSS },
466	#ifndef OPENSSL_NO_EC
467	{ PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
468	PROV_DESCS_EC },
469	{ PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
470	PROV_DESCS_X25519 },
471	{ PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
472	PROV_DESCS_X448 },
473	{ PROV_NAMES_ED25519, FIPS_UNAPPROVED_PROPERTIES, ossl_ed25519_keymgmt_functions,
474	PROV_DESCS_ED25519 },
475	{ PROV_NAMES_ED448, FIPS_UNAPPROVED_PROPERTIES, ossl_ed448_keymgmt_functions,
476	PROV_DESCS_ED448 },
477	#endif
478	{ PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
479	PROV_DESCS_TLS1_PRF_SIGN },
480	{ PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
481	PROV_DESCS_HKDF_SIGN },
482	{ PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions,
483	PROV_DESCS_HMAC_SIGN },
484	#ifndef OPENSSL_NO_CMAC
485	{ PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
486	ossl_cmac_legacy_keymgmt_functions, PROV_DESCS_CMAC_SIGN },
487	#endif
488	{ NULL, NULL, NULL }
489	};
490
491	static const OSSL_ALGORITHM fips_query(void provctx, int operation_id,
492	int *no_cache)
493	{
494	*no_cache = 0;
495
496	if (!ossl_prov_is_running())
497	return NULL;
498
499	switch (operation_id) {
500	case OSSL_OP_DIGEST:
501	return fips_digests;
502	case OSSL_OP_CIPHER:
503	return exported_fips_ciphers;
504	case OSSL_OP_MAC:
505	return fips_macs;
506	case OSSL_OP_KDF:
507	return fips_kdfs;
508	case OSSL_OP_RAND:
509	return fips_rands;
510	case OSSL_OP_KEYMGMT:
511	return fips_keymgmt;
512	case OSSL_OP_KEYEXCH:
513	return fips_keyexch;
514	case OSSL_OP_SIGNATURE:
515	return fips_signature;
516	case OSSL_OP_ASYM_CIPHER:
517	return fips_asym_cipher;
518	case OSSL_OP_KEM:
519	return fips_asym_kem;
520	}
521	return NULL;
522	}
523
524	static void fips_teardown(void *provctx)
525	{
526	OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
527	ossl_prov_ctx_free(provctx);
528	}
529
530	static void fips_intern_teardown(void *provctx)
531	{
532	/*
533	* We know that the library context is the same as for the outer provider,
534	* so no need to destroy it here.
535	*/
536	ossl_prov_ctx_free(provctx);
537	}
538
539	/* Functions we provide to the core */
540	static const OSSL_DISPATCH fips_dispatch_table[] = {
541	{ OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
542	{ OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
543	{ OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
544	{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
545	{ OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
546	(void (*)(void))ossl_prov_get_capabilities },
547	{ OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
548	{ 0, NULL }
549	};
550
551	/* Functions we provide to ourself */
552	static const OSSL_DISPATCH intern_dispatch_table[] = {
553	{ OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
554	{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
555	{ 0, NULL }
556	};
557
558	/*
559	* On VMS, the provider init function name is expected to be uppercase,
560	* see the pragmas in <openssl/core.h>. Let's do the same with this
561	* internal name. This is how symbol names are treated by default
562	* by the compiler if nothing else is said, but since this is part
563	* of libfips, and we build our libraries with mixed case symbol names,
564	* we must switch back to this default explicitly here.
565	*/
566	#ifdef __VMS
567	# pragma names save
568	# pragma names uppercase,truncated
569	#endif
570	OSSL_provider_init_fn OSSL_provider_init_int;
571	#ifdef __VMS
572	# pragma names restore
573	#endif
574	int OSSL_provider_init_int(const OSSL_CORE_HANDLE *handle,
575	const OSSL_DISPATCH *in,
576	const OSSL_DISPATCH **out,
577	void **provctx)
578	{
579	FIPS_GLOBAL *fgbl;
580	OSSL_LIB_CTX *libctx = NULL;
581	SELF_TEST_POST_PARAMS selftest_params;
582
583	memset(&selftest_params, 0, sizeof(selftest_params));
584
585	if (!ossl_prov_seeding_from_dispatch(in))
586	goto err;
587	for (; in->function_id != 0; in++) {
588	/*
589	* We do not support the scenario of an application linked against
590	* multiple versions of libcrypto (e.g. one static and one dynamic), but
591	* sharing a single fips.so. We do a simple sanity check here.
592	*/
593	#define set_func(c, f) if (c == NULL) c = f; else if (c != f) return 0;
594	switch (in->function_id) {
595	case OSSL_FUNC_CORE_GET_LIBCTX:
596	set_func(c_get_libctx, OSSL_FUNC_core_get_libctx(in));
597	break;
598	case OSSL_FUNC_CORE_GETTABLE_PARAMS:
599	set_func(c_gettable_params, OSSL_FUNC_core_gettable_params(in));
600	break;
601	case OSSL_FUNC_CORE_GET_PARAMS:
602	set_func(c_get_params, OSSL_FUNC_core_get_params(in));
603	break;
604	case OSSL_FUNC_CORE_THREAD_START:
605	set_func(c_thread_start, OSSL_FUNC_core_thread_start(in));
606	break;
607	case OSSL_FUNC_CORE_NEW_ERROR:
608	set_func(c_new_error, OSSL_FUNC_core_new_error(in));
609	break;
610	case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
611	set_func(c_set_error_debug, OSSL_FUNC_core_set_error_debug(in));
612	break;
613	case OSSL_FUNC_CORE_VSET_ERROR:
614	set_func(c_vset_error, OSSL_FUNC_core_vset_error(in));
615	break;
616	case OSSL_FUNC_CORE_SET_ERROR_MARK:
617	set_func(c_set_error_mark, OSSL_FUNC_core_set_error_mark(in));
618	break;
619	case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
620	set_func(c_clear_last_error_mark,
621	OSSL_FUNC_core_clear_last_error_mark(in));
622	break;
623	case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
624	set_func(c_pop_error_to_mark, OSSL_FUNC_core_pop_error_to_mark(in));
625	break;
626	case OSSL_FUNC_CRYPTO_MALLOC:
627	set_func(c_CRYPTO_malloc, OSSL_FUNC_CRYPTO_malloc(in));
628	break;
629	case OSSL_FUNC_CRYPTO_ZALLOC:
630	set_func(c_CRYPTO_zalloc, OSSL_FUNC_CRYPTO_zalloc(in));
631	break;
632	case OSSL_FUNC_CRYPTO_FREE:
633	set_func(c_CRYPTO_free, OSSL_FUNC_CRYPTO_free(in));
634	break;
635	case OSSL_FUNC_CRYPTO_CLEAR_FREE:
636	set_func(c_CRYPTO_clear_free, OSSL_FUNC_CRYPTO_clear_free(in));
637	break;
638	case OSSL_FUNC_CRYPTO_REALLOC:
639	set_func(c_CRYPTO_realloc, OSSL_FUNC_CRYPTO_realloc(in));
640	break;
641	case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
642	set_func(c_CRYPTO_clear_realloc,
643	OSSL_FUNC_CRYPTO_clear_realloc(in));
644	break;
645	case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
646	set_func(c_CRYPTO_secure_malloc,
647	OSSL_FUNC_CRYPTO_secure_malloc(in));
648	break;
649	case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
650	set_func(c_CRYPTO_secure_zalloc,
651	OSSL_FUNC_CRYPTO_secure_zalloc(in));
652	break;
653	case OSSL_FUNC_CRYPTO_SECURE_FREE:
654	set_func(c_CRYPTO_secure_free,
655	OSSL_FUNC_CRYPTO_secure_free(in));
656	break;
657	case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
658	set_func(c_CRYPTO_secure_clear_free,
659	OSSL_FUNC_CRYPTO_secure_clear_free(in));
660	break;
661	case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
662	set_func(c_CRYPTO_secure_allocated,
663	OSSL_FUNC_CRYPTO_secure_allocated(in));
664	break;
665	case OSSL_FUNC_BIO_NEW_FILE:
666	set_func(selftest_params.bio_new_file_cb,
667	OSSL_FUNC_BIO_new_file(in));
668	break;
669	case OSSL_FUNC_BIO_NEW_MEMBUF:
670	set_func(selftest_params.bio_new_buffer_cb,
671	OSSL_FUNC_BIO_new_membuf(in));
672	break;
673	case OSSL_FUNC_BIO_READ_EX:
674	set_func(selftest_params.bio_read_ex_cb,
675	OSSL_FUNC_BIO_read_ex(in));
676	break;
677	case OSSL_FUNC_BIO_FREE:
678	set_func(selftest_params.bio_free_cb, OSSL_FUNC_BIO_free(in));
679	break;
680	case OSSL_FUNC_BIO_VSNPRINTF:
681	set_func(c_BIO_vsnprintf, OSSL_FUNC_BIO_vsnprintf(in));
682	break;
683	case OSSL_FUNC_SELF_TEST_CB:
684	set_func(c_stcbfn, OSSL_FUNC_self_test_cb(in));
685	break;
686	default:
687	/* Just ignore anything we don't understand */
688	break;
689	}
690	}
691
692	/* Create a context. */
693	if ((*provctx = ossl_prov_ctx_new()) == NULL
694	\|\| (libctx = OSSL_LIB_CTX_new()) == NULL) {
695	/*
696	* We free libctx separately here and only here because it hasn't
697	* been attached to *provctx. All other error paths below rely
698	* solely on fips_teardown.
699	*/
700	OSSL_LIB_CTX_free(libctx);
701	goto err;
702	}
703
704	if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX)) == NULL)
705	goto err;
706
707	fgbl->handle = handle;
708
709	/*
710	* We did initial set up of selftest_params in a local copy, because we
711	* could not create fgbl until c_CRYPTO_zalloc was defined in the loop
712	* above.
713	*/
714	fgbl->selftest_params = selftest_params;
715
716	fgbl->selftest_params.libctx = libctx;
717
718	set_self_test_cb(fgbl);
719
720	if (!fips_get_params_from_core(fgbl)) {
721	/* Error already raised */
722	goto err;
723	}
724	/*
725	* Disable the conditional error check if it's disabled in the fips config
726	* file.
727	*/
728	if (fgbl->selftest_params.conditional_error_check != NULL
729	&& strcmp(fgbl->selftest_params.conditional_error_check, "0") == 0)
730	SELF_TEST_disable_conditional_error_state();
731
732	/* Enable or disable FIPS provider options */
733	#define FIPS_SET_OPTION(fgbl, field) \
734	if (fgbl->field.option != NULL) { \
735	if (strcmp(fgbl->field.option, "1") == 0) \
736	fgbl->field.enabled = 1; \
737	else if (strcmp(fgbl->field.option, "0") == 0) \
738	fgbl->field.enabled = 0; \
739	else \
740	goto err; \
741	}
742
743	FIPS_SET_OPTION(fgbl, fips_security_checks);
744	FIPS_SET_OPTION(fgbl, fips_tls1_prf_ems_check);
745	FIPS_SET_OPTION(fgbl, fips_restricted_drgb_digests);
746	#undef FIPS_SET_OPTION
747
748	ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
749
750	if (!SELF_TEST_post(&fgbl->selftest_params, 0)) {
751	ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
752	goto err;
753	}
754
755	ossl_prov_ctx_set0_libctx(*provctx, libctx);
756	ossl_prov_ctx_set0_handle(*provctx, handle);
757
758	*out = fips_dispatch_table;
759	return 1;
760	err:
761	fips_teardown(*provctx);
762	OSSL_LIB_CTX_free(libctx);
763	*provctx = NULL;
764	return 0;
765	}
766
767	/*
768	* The internal init function used when the FIPS module uses EVP to call
769	* another algorithm also in the FIPS module. This is a recursive call that has
770	* been made from within the FIPS module itself. To make this work, we populate
771	* the provider context of this inner instance with the same library context
772	* that was used in the EVP call that initiated this recursive call.
773	*/
774	OSSL_provider_init_fn ossl_fips_intern_provider_init;
775	int ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
776	const OSSL_DISPATCH *in,
777	const OSSL_DISPATCH **out,
778	void **provctx)
779	{
780	OSSL_FUNC_core_get_libctx_fn *c_internal_get_libctx = NULL;
781
782	for (; in->function_id != 0; in++) {
783	switch (in->function_id) {
784	case OSSL_FUNC_CORE_GET_LIBCTX:
785	c_internal_get_libctx = OSSL_FUNC_core_get_libctx(in);
786	break;
787	default:
788	break;
789	}
790	}
791
792	if (c_internal_get_libctx == NULL)
793	return 0;
794
795	if ((*provctx = ossl_prov_ctx_new()) == NULL)
796	return 0;
797
798	/*
799	* Using the parent library context only works because we are a built-in
800	* internal provider. This is not something that most providers would be
801	* able to do.
802	*/
803	ossl_prov_ctx_set0_libctx(*provctx,
804	(OSSL_LIB_CTX *)c_internal_get_libctx(handle));
805	ossl_prov_ctx_set0_handle(*provctx, handle);
806
807	*out = intern_dispatch_table;
808	return 1;
809	}
810
811	void ERR_new(void)
812	{
813	c_new_error(NULL);
814	}
815
816	void ERR_set_debug(const char file, int line, const char func)
817	{
818	c_set_error_debug(NULL, file, line, func);
819	}
820
821	void ERR_set_error(int lib, int reason, const char *fmt, ...)
822	{
823	va_list args;
824
825	va_start(args, fmt);
826	c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
827	va_end(args);
828	}
829
830	void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
831	{
832	c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
833	}
834
835	int ERR_set_mark(void)
836	{
837	return c_set_error_mark(NULL);
838	}
839
840	int ERR_clear_last_mark(void)
841	{
842	return c_clear_last_error_mark(NULL);
843	}
844
845	int ERR_pop_to_mark(void)
846	{
847	return c_pop_error_to_mark(NULL);
848	}
849
850	/*
851	* This must take a library context, since it's called from the depths
852	* of crypto/initthread.c code, where it's (correctly) assumed that the
853	* passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
854	* is also called from other parts of libcrypto, which all pass around a
855	* OSSL_LIB_CTX pointer)
856	*/
857	const OSSL_CORE_HANDLE FIPS_get_core_handle(OSSL_LIB_CTX libctx)
858	{
859	FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
860	OSSL_LIB_CTX_FIPS_PROV_INDEX);
861
862	if (fgbl == NULL)
863	return NULL;
864
865	return fgbl->handle;
866	}
867
868	void CRYPTO_malloc(size_t num, const char file, int line)
869	{
870	return c_CRYPTO_malloc(num, file, line);
871	}
872
873	void CRYPTO_zalloc(size_t num, const char file, int line)
874	{
875	return c_CRYPTO_zalloc(num, file, line);
876	}
877
878	void CRYPTO_free(void ptr, const char file, int line)
879	{
880	c_CRYPTO_free(ptr, file, line);
881	}
882
883	void CRYPTO_clear_free(void ptr, size_t num, const char file, int line)
884	{
885	c_CRYPTO_clear_free(ptr, num, file, line);
886	}
887
888	void CRYPTO_realloc(void addr, size_t num, const char *file, int line)
889	{
890	return c_CRYPTO_realloc(addr, num, file, line);
891	}
892
893	void CRYPTO_clear_realloc(void addr, size_t old_num, size_t num,
894	const char *file, int line)
895	{
896	return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
897	}
898
899	void CRYPTO_secure_malloc(size_t num, const char file, int line)
900	{
901	return c_CRYPTO_secure_malloc(num, file, line);
902	}
903
904	void CRYPTO_secure_zalloc(size_t num, const char file, int line)
905	{
906	return c_CRYPTO_secure_zalloc(num, file, line);
907	}
908
909	void CRYPTO_secure_free(void ptr, const char file, int line)
910	{
911	c_CRYPTO_secure_free(ptr, file, line);
912	}
913
914	void CRYPTO_secure_clear_free(void ptr, size_t num, const char file, int line)
915	{
916	c_CRYPTO_secure_clear_free(ptr, num, file, line);
917	}
918
919	int CRYPTO_secure_allocated(const void *ptr)
920	{
921	return c_CRYPTO_secure_allocated(ptr);
922	}
923
924	int BIO_snprintf(char buf, size_t n, const char format, ...)
925	{
926	va_list args;
927	int ret;
928
929	va_start(args, format);
930	ret = c_BIO_vsnprintf(buf, n, format, args);
931	va_end(args);
932	return ret;
933	}
934
935	#define FIPS_FEATURE_CHECK(fname, field) \
936	int fname(OSSL_LIB_CTX *libctx) \
937	{ \
938	FIPS_GLOBAL *fgbl = \
939	ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX); \
940	return fgbl->field.enabled; \
941	}
942
943	FIPS_FEATURE_CHECK(FIPS_security_check_enabled, fips_security_checks)
944	FIPS_FEATURE_CHECK(FIPS_tls_prf_ems_check, fips_tls1_prf_ems_check)
945	FIPS_FEATURE_CHECK(FIPS_restricted_drbg_digests_enabled,
946	fips_restricted_drgb_digests)
947	#undef FIPS_FEATURE_CHECK
948
949	void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX libctx, OSSL_CALLBACK *cb,
950	void **cbarg)
951	{
952	assert(libctx != NULL);
953
954	if (c_stcbfn != NULL && c_get_libctx != NULL) {
955	/* Get the parent libctx */
956	c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
957	} else {
958	if (cb != NULL)
959	*cb = NULL;
960	if (cbarg != NULL)
961	*cbarg = NULL;
962	}
963	}

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source: vbox/trunk/src/libs/openssl-3.1.2/providers/fips/fipsprov.c@ 101021

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