1 /*
2 * Copyright 2019-2021 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 "self_test.h"
25
26 static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
27 static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
28
29 /*
30 * Forward declarations to ensure that interface functions are correctly
31 * defined.
32 */
33 static OSSL_FUNC_provider_teardown_fn fips_teardown;
34 static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
35 static OSSL_FUNC_provider_get_params_fn fips_get_params;
36 static OSSL_FUNC_provider_query_operation_fn fips_query;
37
38 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
39 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
40
41 extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
42 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx);
43
44 /*
45 * Should these function pointers be stored in the provider side provctx? Could
46 * they ever be different from one init to the next? We assume not for now.
47 */
48
49 /* Functions provided by the core */
50 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
51 static OSSL_FUNC_core_get_params_fn *c_get_params;
52 OSSL_FUNC_core_thread_start_fn *c_thread_start;
53 static OSSL_FUNC_core_new_error_fn *c_new_error;
54 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
55 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
56 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
57 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
58 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
59 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
60 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
61 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
62 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
63 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
64 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
65 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
66 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
67 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
68 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
69 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
70 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
71 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
72 static OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
73
74 typedef struct fips_global_st {
75 const OSSL_CORE_HANDLE *handle;
76 SELF_TEST_POST_PARAMS selftest_params;
77 int fips_security_checks;
78 const char *fips_security_check_option;
79 } FIPS_GLOBAL;
80
fips_prov_ossl_ctx_new(OSSL_LIB_CTX * libctx)81 static void *fips_prov_ossl_ctx_new(OSSL_LIB_CTX *libctx)
82 {
83 FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
84
85 if (fgbl == NULL)
86 return NULL;
87 fgbl->fips_security_checks = 1;
88 fgbl->fips_security_check_option = "1";
89
90 return fgbl;
91 }
92
fips_prov_ossl_ctx_free(void * fgbl)93 static void fips_prov_ossl_ctx_free(void *fgbl)
94 {
95 OPENSSL_free(fgbl);
96 }
97
98 static const OSSL_LIB_CTX_METHOD fips_prov_ossl_ctx_method = {
99 OSSL_LIB_CTX_METHOD_DEFAULT_PRIORITY,
100 fips_prov_ossl_ctx_new,
101 fips_prov_ossl_ctx_free,
102 };
103
104
105 /* Parameters we provide to the core */
106 static const OSSL_PARAM fips_param_types[] = {
107 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
108 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
109 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
110 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
111 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
112 OSSL_PARAM_END
113 };
114
fips_get_params_from_core(FIPS_GLOBAL * fgbl)115 static int fips_get_params_from_core(FIPS_GLOBAL *fgbl)
116 {
117 /*
118 * Parameters to retrieve from the core provider - required for self testing.
119 * NOTE: inside core_get_params() these will be loaded from config items
120 * stored inside prov->parameters (except for
121 * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
122 * OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS is not a self test parameter.
123 */
124 OSSL_PARAM core_params[8], *p = core_params;
125
126 *p++ = OSSL_PARAM_construct_utf8_ptr(
127 OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
128 (char **)&fgbl->selftest_params.module_filename,
129 sizeof(fgbl->selftest_params.module_filename));
130 *p++ = OSSL_PARAM_construct_utf8_ptr(
131 OSSL_PROV_FIPS_PARAM_MODULE_MAC,
132 (char **)&fgbl->selftest_params.module_checksum_data,
133 sizeof(fgbl->selftest_params.module_checksum_data));
134 *p++ = OSSL_PARAM_construct_utf8_ptr(
135 OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
136 (char **)&fgbl->selftest_params.indicator_checksum_data,
137 sizeof(fgbl->selftest_params.indicator_checksum_data));
138 *p++ = OSSL_PARAM_construct_utf8_ptr(
139 OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
140 (char **)&fgbl->selftest_params.indicator_data,
141 sizeof(fgbl->selftest_params.indicator_data));
142 *p++ = OSSL_PARAM_construct_utf8_ptr(
143 OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
144 (char **)&fgbl->selftest_params.indicator_version,
145 sizeof(fgbl->selftest_params.indicator_version));
146 *p++ = OSSL_PARAM_construct_utf8_ptr(
147 OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
148 (char **)&fgbl->selftest_params.conditional_error_check,
149 sizeof(fgbl->selftest_params.conditional_error_check));
150 *p++ = OSSL_PARAM_construct_utf8_ptr(
151 OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
152 (char **)&fgbl->fips_security_check_option,
153 sizeof(fgbl->fips_security_check_option));
154 *p = OSSL_PARAM_construct_end();
155
156 if (!c_get_params(fgbl->handle, core_params)) {
157 ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
158 return 0;
159 }
160
161 return 1;
162 }
163
fips_gettable_params(void * provctx)164 static const OSSL_PARAM *fips_gettable_params(void *provctx)
165 {
166 return fips_param_types;
167 }
168
fips_get_params(void * provctx,OSSL_PARAM params[])169 static int fips_get_params(void *provctx, OSSL_PARAM params[])
170 {
171 OSSL_PARAM *p;
172 FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
173 OSSL_LIB_CTX_FIPS_PROV_INDEX,
174 &fips_prov_ossl_ctx_method);
175
176 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
177 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
178 return 0;
179 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
180 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
181 return 0;
182 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
183 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
184 return 0;
185 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
186 if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
187 return 0;
188 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_SECURITY_CHECKS);
189 if (p != NULL && !OSSL_PARAM_set_int(p, fgbl->fips_security_checks))
190 return 0;
191 return 1;
192 }
193
set_self_test_cb(FIPS_GLOBAL * fgbl)194 static void set_self_test_cb(FIPS_GLOBAL *fgbl)
195 {
196 const OSSL_CORE_HANDLE *handle =
197 FIPS_get_core_handle(fgbl->selftest_params.libctx);
198
199 if (c_stcbfn != NULL && c_get_libctx != NULL) {
200 c_stcbfn(c_get_libctx(handle), &fgbl->selftest_params.cb,
201 &fgbl->selftest_params.cb_arg);
202 } else {
203 fgbl->selftest_params.cb = NULL;
204 fgbl->selftest_params.cb_arg = NULL;
205 }
206 }
207
fips_self_test(void * provctx)208 static int fips_self_test(void *provctx)
209 {
210 FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
211 OSSL_LIB_CTX_FIPS_PROV_INDEX,
212 &fips_prov_ossl_ctx_method);
213
214 set_self_test_cb(fgbl);
215 return SELF_TEST_post(&fgbl->selftest_params, 1) ? 1 : 0;
216 }
217
218 /*
219 * For the algorithm names, we use the following formula for our primary
220 * names:
221 *
222 * ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
223 *
224 * VERSION is only present if there are multiple versions of
225 * an alg (MD2, MD4, MD5). It may be omitted if there is only
226 * one version (if a subsequent version is released in the future,
227 * we can always change the canonical name, and add the old name
228 * as an alias).
229 *
230 * SUBNAME may be present where we are combining multiple
231 * algorithms together, e.g. MD5-SHA1.
232 *
233 * SIZE is only present if multiple versions of an algorithm exist
234 * with different sizes (e.g. AES-128-CBC, AES-256-CBC)
235 *
236 * MODE is only present where applicable.
237 *
238 * We add diverse other names where applicable, such as the names that
239 * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
240 * we have used historically.
241 */
242 static const OSSL_ALGORITHM fips_digests[] = {
243 /* Our primary name:NiST name[:our older names] */
244 { PROV_NAMES_SHA1, FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
245 { PROV_NAMES_SHA2_224, FIPS_DEFAULT_PROPERTIES, ossl_sha224_functions },
246 { PROV_NAMES_SHA2_256, FIPS_DEFAULT_PROPERTIES, ossl_sha256_functions },
247 { PROV_NAMES_SHA2_384, FIPS_DEFAULT_PROPERTIES, ossl_sha384_functions },
248 { PROV_NAMES_SHA2_512, FIPS_DEFAULT_PROPERTIES, ossl_sha512_functions },
249 { PROV_NAMES_SHA2_512_224, FIPS_DEFAULT_PROPERTIES,
250 ossl_sha512_224_functions },
251 { PROV_NAMES_SHA2_512_256, FIPS_DEFAULT_PROPERTIES,
252 ossl_sha512_256_functions },
253
254 /* We agree with NIST here, so one name only */
255 { PROV_NAMES_SHA3_224, FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
256 { PROV_NAMES_SHA3_256, FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
257 { PROV_NAMES_SHA3_384, FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
258 { PROV_NAMES_SHA3_512, FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
259
260 { PROV_NAMES_SHAKE_128, FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
261 { PROV_NAMES_SHAKE_256, FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
262
263 /*
264 * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
265 * KMAC128 and KMAC256.
266 */
267 { PROV_NAMES_KECCAK_KMAC_128, FIPS_DEFAULT_PROPERTIES,
268 ossl_keccak_kmac_128_functions },
269 { PROV_NAMES_KECCAK_KMAC_256, FIPS_DEFAULT_PROPERTIES,
270 ossl_keccak_kmac_256_functions },
271 { NULL, NULL, NULL }
272 };
273
274 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
275 /* Our primary name[:ASN.1 OID name][:our older names] */
276 ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
277 ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
278 ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
279 ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
280 ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
281 ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
282 ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
283 ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
284 ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
285 ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
286 ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
287 ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
288 ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
289 ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
290 ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
291 ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
292 ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
293 ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
294 ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
295 ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
296 ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
297 ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
298 ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
299 ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
300 ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
301 ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
302 ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
303 ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
304 ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
305 ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
306 ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
307 ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
308 ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
309 ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
310 ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
311 ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
312 ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
313 ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
314 ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
315 ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
316 ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
317 ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
318 ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
319 ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
320 ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
321 ossl_cipher_capable_aes_cbc_hmac_sha1),
322 ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
323 ossl_cipher_capable_aes_cbc_hmac_sha1),
324 ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
325 ossl_cipher_capable_aes_cbc_hmac_sha256),
326 ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
327 ossl_cipher_capable_aes_cbc_hmac_sha256),
328 #ifndef OPENSSL_NO_DES
329 ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
330 ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
331 #endif /* OPENSSL_NO_DES */
332 { { NULL, NULL, NULL }, NULL }
333 };
334 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
335
336 static const OSSL_ALGORITHM fips_macs[] = {
337 #ifndef OPENSSL_NO_CMAC
338 { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
339 #endif
340 { PROV_NAMES_GMAC, FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
341 { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
342 { PROV_NAMES_KMAC_128, FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
343 { PROV_NAMES_KMAC_256, FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
344 { NULL, NULL, NULL }
345 };
346
347 static const OSSL_ALGORITHM fips_kdfs[] = {
348 { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
349 { PROV_NAMES_TLS1_3_KDF, FIPS_DEFAULT_PROPERTIES,
350 ossl_kdf_tls1_3_kdf_functions },
351 { PROV_NAMES_SSKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
352 { PROV_NAMES_PBKDF2, FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
353 { PROV_NAMES_SSHKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
354 { PROV_NAMES_X963KDF, FIPS_DEFAULT_PROPERTIES,
355 ossl_kdf_x963_kdf_functions },
356 { PROV_NAMES_X942KDF_ASN1, FIPS_DEFAULT_PROPERTIES,
357 ossl_kdf_x942_kdf_functions },
358 { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
359 ossl_kdf_tls1_prf_functions },
360 { PROV_NAMES_KBKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
361 { NULL, NULL, NULL }
362 };
363
364 static const OSSL_ALGORITHM fips_rands[] = {
365 { PROV_NAMES_CTR_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
366 { PROV_NAMES_HASH_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
367 { PROV_NAMES_HMAC_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
368 { PROV_NAMES_TEST_RAND, FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
369 { NULL, NULL, NULL }
370 };
371
372 static const OSSL_ALGORITHM fips_keyexch[] = {
373 #ifndef OPENSSL_NO_DH
374 { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
375 #endif
376 #ifndef OPENSSL_NO_EC
377 { PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
378 { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
379 { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
380 #endif
381 { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
382 ossl_kdf_tls1_prf_keyexch_functions },
383 { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
384 { NULL, NULL, NULL }
385 };
386
387 static const OSSL_ALGORITHM fips_signature[] = {
388 #ifndef OPENSSL_NO_DSA
389 { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_signature_functions },
390 #endif
391 { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_signature_functions },
392 #ifndef OPENSSL_NO_EC
393 { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_signature_functions },
394 { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_signature_functions },
395 { PROV_NAMES_ECDSA, FIPS_DEFAULT_PROPERTIES, ossl_ecdsa_signature_functions },
396 #endif
397 { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES,
398 ossl_mac_legacy_hmac_signature_functions },
399 #ifndef OPENSSL_NO_CMAC
400 { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
401 ossl_mac_legacy_cmac_signature_functions },
402 #endif
403 { NULL, NULL, NULL }
404 };
405
406 static const OSSL_ALGORITHM fips_asym_cipher[] = {
407 { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_cipher_functions },
408 { NULL, NULL, NULL }
409 };
410
411 static const OSSL_ALGORITHM fips_asym_kem[] = {
412 { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
413 { NULL, NULL, NULL }
414 };
415
416 static const OSSL_ALGORITHM fips_keymgmt[] = {
417 #ifndef OPENSSL_NO_DH
418 { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions,
419 PROV_DESCS_DH },
420 { PROV_NAMES_DHX, FIPS_DEFAULT_PROPERTIES, ossl_dhx_keymgmt_functions,
421 PROV_DESCS_DHX },
422 #endif
423 #ifndef OPENSSL_NO_DSA
424 { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions,
425 PROV_DESCS_DSA },
426 #endif
427 { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_keymgmt_functions,
428 PROV_DESCS_RSA },
429 { PROV_NAMES_RSA_PSS, FIPS_DEFAULT_PROPERTIES,
430 ossl_rsapss_keymgmt_functions, PROV_DESCS_RSA_PSS },
431 #ifndef OPENSSL_NO_EC
432 { PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
433 PROV_DESCS_EC },
434 { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
435 PROV_DESCS_X25519 },
436 { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
437 PROV_DESCS_X448 },
438 { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_keymgmt_functions,
439 PROV_DESCS_ED25519 },
440 { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_keymgmt_functions,
441 PROV_DESCS_ED448 },
442 #endif
443 { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
444 PROV_DESCS_TLS1_PRF_SIGN },
445 { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
446 PROV_DESCS_HKDF_SIGN },
447 { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions,
448 PROV_DESCS_HMAC_SIGN },
449 #ifndef OPENSSL_NO_CMAC
450 { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
451 ossl_cmac_legacy_keymgmt_functions, PROV_DESCS_CMAC_SIGN },
452 #endif
453 { NULL, NULL, NULL }
454 };
455
fips_query(void * provctx,int operation_id,int * no_cache)456 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
457 int *no_cache)
458 {
459 *no_cache = 0;
460
461 if (!ossl_prov_is_running())
462 return NULL;
463
464 switch (operation_id) {
465 case OSSL_OP_DIGEST:
466 return fips_digests;
467 case OSSL_OP_CIPHER:
468 return exported_fips_ciphers;
469 case OSSL_OP_MAC:
470 return fips_macs;
471 case OSSL_OP_KDF:
472 return fips_kdfs;
473 case OSSL_OP_RAND:
474 return fips_rands;
475 case OSSL_OP_KEYMGMT:
476 return fips_keymgmt;
477 case OSSL_OP_KEYEXCH:
478 return fips_keyexch;
479 case OSSL_OP_SIGNATURE:
480 return fips_signature;
481 case OSSL_OP_ASYM_CIPHER:
482 return fips_asym_cipher;
483 case OSSL_OP_KEM:
484 return fips_asym_kem;
485 }
486 return NULL;
487 }
488
fips_teardown(void * provctx)489 static void fips_teardown(void *provctx)
490 {
491 OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
492 ossl_prov_ctx_free(provctx);
493 }
494
fips_intern_teardown(void * provctx)495 static void fips_intern_teardown(void *provctx)
496 {
497 /*
498 * We know that the library context is the same as for the outer provider,
499 * so no need to destroy it here.
500 */
501 ossl_prov_ctx_free(provctx);
502 }
503
504 /* Functions we provide to the core */
505 static const OSSL_DISPATCH fips_dispatch_table[] = {
506 { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
507 { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
508 { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
509 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
510 { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
511 (void (*)(void))ossl_prov_get_capabilities },
512 { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
513 { 0, NULL }
514 };
515
516 /* Functions we provide to ourself */
517 static const OSSL_DISPATCH intern_dispatch_table[] = {
518 { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
519 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
520 { 0, NULL }
521 };
522
523 /*
524 * On VMS, the provider init function name is expected to be uppercase,
525 * see the pragmas in <openssl/core.h>. Let's do the same with this
526 * internal name. This is how symbol names are treated by default
527 * by the compiler if nothing else is said, but since this is part
528 * of libfips, and we build our libraries with mixed case symbol names,
529 * we must switch back to this default explicitly here.
530 */
531 #ifdef __VMS
532 # pragma names save
533 # pragma names uppercase,truncated
534 #endif
535 OSSL_provider_init_fn OSSL_provider_init_int;
536 #ifdef __VMS
537 # pragma names restore
538 #endif
OSSL_provider_init_int(const OSSL_CORE_HANDLE * handle,const OSSL_DISPATCH * in,const OSSL_DISPATCH ** out,void ** provctx)539 int OSSL_provider_init_int(const OSSL_CORE_HANDLE *handle,
540 const OSSL_DISPATCH *in,
541 const OSSL_DISPATCH **out,
542 void **provctx)
543 {
544 FIPS_GLOBAL *fgbl;
545 OSSL_LIB_CTX *libctx = NULL;
546 SELF_TEST_POST_PARAMS selftest_params;
547
548 memset(&selftest_params, 0, sizeof(selftest_params));
549
550 if (!ossl_prov_seeding_from_dispatch(in))
551 return 0;
552 for (; in->function_id != 0; in++) {
553 /*
554 * We do not support the scenario of an application linked against
555 * multiple versions of libcrypto (e.g. one static and one dynamic), but
556 * sharing a single fips.so. We do a simple sanity check here.
557 */
558 #define set_func(c, f) if (c == NULL) c = f; else if (c != f) return 0;
559 switch (in->function_id) {
560 case OSSL_FUNC_CORE_GET_LIBCTX:
561 set_func(c_get_libctx, OSSL_FUNC_core_get_libctx(in));
562 break;
563 case OSSL_FUNC_CORE_GETTABLE_PARAMS:
564 set_func(c_gettable_params, OSSL_FUNC_core_gettable_params(in));
565 break;
566 case OSSL_FUNC_CORE_GET_PARAMS:
567 set_func(c_get_params, OSSL_FUNC_core_get_params(in));
568 break;
569 case OSSL_FUNC_CORE_THREAD_START:
570 set_func(c_thread_start, OSSL_FUNC_core_thread_start(in));
571 break;
572 case OSSL_FUNC_CORE_NEW_ERROR:
573 set_func(c_new_error, OSSL_FUNC_core_new_error(in));
574 break;
575 case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
576 set_func(c_set_error_debug, OSSL_FUNC_core_set_error_debug(in));
577 break;
578 case OSSL_FUNC_CORE_VSET_ERROR:
579 set_func(c_vset_error, OSSL_FUNC_core_vset_error(in));
580 break;
581 case OSSL_FUNC_CORE_SET_ERROR_MARK:
582 set_func(c_set_error_mark, OSSL_FUNC_core_set_error_mark(in));
583 break;
584 case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
585 set_func(c_clear_last_error_mark,
586 OSSL_FUNC_core_clear_last_error_mark(in));
587 break;
588 case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
589 set_func(c_pop_error_to_mark, OSSL_FUNC_core_pop_error_to_mark(in));
590 break;
591 case OSSL_FUNC_CRYPTO_MALLOC:
592 set_func(c_CRYPTO_malloc, OSSL_FUNC_CRYPTO_malloc(in));
593 break;
594 case OSSL_FUNC_CRYPTO_ZALLOC:
595 set_func(c_CRYPTO_zalloc, OSSL_FUNC_CRYPTO_zalloc(in));
596 break;
597 case OSSL_FUNC_CRYPTO_FREE:
598 set_func(c_CRYPTO_free, OSSL_FUNC_CRYPTO_free(in));
599 break;
600 case OSSL_FUNC_CRYPTO_CLEAR_FREE:
601 set_func(c_CRYPTO_clear_free, OSSL_FUNC_CRYPTO_clear_free(in));
602 break;
603 case OSSL_FUNC_CRYPTO_REALLOC:
604 set_func(c_CRYPTO_realloc, OSSL_FUNC_CRYPTO_realloc(in));
605 break;
606 case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
607 set_func(c_CRYPTO_clear_realloc,
608 OSSL_FUNC_CRYPTO_clear_realloc(in));
609 break;
610 case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
611 set_func(c_CRYPTO_secure_malloc,
612 OSSL_FUNC_CRYPTO_secure_malloc(in));
613 break;
614 case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
615 set_func(c_CRYPTO_secure_zalloc,
616 OSSL_FUNC_CRYPTO_secure_zalloc(in));
617 break;
618 case OSSL_FUNC_CRYPTO_SECURE_FREE:
619 set_func(c_CRYPTO_secure_free,
620 OSSL_FUNC_CRYPTO_secure_free(in));
621 break;
622 case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
623 set_func(c_CRYPTO_secure_clear_free,
624 OSSL_FUNC_CRYPTO_secure_clear_free(in));
625 break;
626 case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
627 set_func(c_CRYPTO_secure_allocated,
628 OSSL_FUNC_CRYPTO_secure_allocated(in));
629 break;
630 case OSSL_FUNC_BIO_NEW_FILE:
631 set_func(selftest_params.bio_new_file_cb,
632 OSSL_FUNC_BIO_new_file(in));
633 break;
634 case OSSL_FUNC_BIO_NEW_MEMBUF:
635 set_func(selftest_params.bio_new_buffer_cb,
636 OSSL_FUNC_BIO_new_membuf(in));
637 break;
638 case OSSL_FUNC_BIO_READ_EX:
639 set_func(selftest_params.bio_read_ex_cb,
640 OSSL_FUNC_BIO_read_ex(in));
641 break;
642 case OSSL_FUNC_BIO_FREE:
643 set_func(selftest_params.bio_free_cb, OSSL_FUNC_BIO_free(in));
644 break;
645 case OSSL_FUNC_BIO_VSNPRINTF:
646 set_func(c_BIO_vsnprintf, OSSL_FUNC_BIO_vsnprintf(in));
647 break;
648 case OSSL_FUNC_SELF_TEST_CB:
649 set_func(c_stcbfn, OSSL_FUNC_self_test_cb(in));
650 break;
651 default:
652 /* Just ignore anything we don't understand */
653 break;
654 }
655 }
656
657 /* Create a context. */
658 if ((*provctx = ossl_prov_ctx_new()) == NULL
659 || (libctx = OSSL_LIB_CTX_new()) == NULL) {
660 /*
661 * We free libctx separately here and only here because it hasn't
662 * been attached to *provctx. All other error paths below rely
663 * solely on fips_teardown.
664 */
665 OSSL_LIB_CTX_free(libctx);
666 goto err;
667 }
668
669 if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX,
670 &fips_prov_ossl_ctx_method)) == NULL)
671 goto err;
672
673 fgbl->handle = handle;
674
675 /*
676 * We did initial set up of selftest_params in a local copy, because we
677 * could not create fgbl until c_CRYPTO_zalloc was defined in the loop
678 * above.
679 */
680 fgbl->selftest_params = selftest_params;
681
682 fgbl->selftest_params.libctx = libctx;
683
684 set_self_test_cb(fgbl);
685
686 if (!fips_get_params_from_core(fgbl)) {
687 /* Error already raised */
688 goto err;
689 }
690 /*
691 * Disable the conditional error check if it's disabled in the fips config
692 * file.
693 */
694 if (fgbl->selftest_params.conditional_error_check != NULL
695 && strcmp(fgbl->selftest_params.conditional_error_check, "0") == 0)
696 SELF_TEST_disable_conditional_error_state();
697
698 /* Disable the security check if it's disabled in the fips config file. */
699 if (fgbl->fips_security_check_option != NULL
700 && strcmp(fgbl->fips_security_check_option, "0") == 0)
701 fgbl->fips_security_checks = 0;
702
703 ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
704
705 if (!SELF_TEST_post(&fgbl->selftest_params, 0)) {
706 ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
707 goto err;
708 }
709
710 ossl_prov_ctx_set0_libctx(*provctx, libctx);
711 ossl_prov_ctx_set0_handle(*provctx, handle);
712
713 *out = fips_dispatch_table;
714 return 1;
715 err:
716 fips_teardown(*provctx);
717 OSSL_LIB_CTX_free(libctx);
718 *provctx = NULL;
719 return 0;
720 }
721
722 /*
723 * The internal init function used when the FIPS module uses EVP to call
724 * another algorithm also in the FIPS module. This is a recursive call that has
725 * been made from within the FIPS module itself. To make this work, we populate
726 * the provider context of this inner instance with the same library context
727 * that was used in the EVP call that initiated this recursive call.
728 */
729 OSSL_provider_init_fn ossl_fips_intern_provider_init;
ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE * handle,const OSSL_DISPATCH * in,const OSSL_DISPATCH ** out,void ** provctx)730 int ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
731 const OSSL_DISPATCH *in,
732 const OSSL_DISPATCH **out,
733 void **provctx)
734 {
735 OSSL_FUNC_core_get_libctx_fn *c_internal_get_libctx = NULL;
736
737 for (; in->function_id != 0; in++) {
738 switch (in->function_id) {
739 case OSSL_FUNC_CORE_GET_LIBCTX:
740 c_internal_get_libctx = OSSL_FUNC_core_get_libctx(in);
741 break;
742 default:
743 break;
744 }
745 }
746
747 if (c_internal_get_libctx == NULL)
748 return 0;
749
750 if ((*provctx = ossl_prov_ctx_new()) == NULL)
751 return 0;
752
753 /*
754 * Using the parent library context only works because we are a built-in
755 * internal provider. This is not something that most providers would be
756 * able to do.
757 */
758 ossl_prov_ctx_set0_libctx(*provctx,
759 (OSSL_LIB_CTX *)c_internal_get_libctx(handle));
760 ossl_prov_ctx_set0_handle(*provctx, handle);
761
762 *out = intern_dispatch_table;
763 return 1;
764 }
765
ERR_new(void)766 void ERR_new(void)
767 {
768 c_new_error(NULL);
769 }
770
ERR_set_debug(const char * file,int line,const char * func)771 void ERR_set_debug(const char *file, int line, const char *func)
772 {
773 c_set_error_debug(NULL, file, line, func);
774 }
775
ERR_set_error(int lib,int reason,const char * fmt,...)776 void ERR_set_error(int lib, int reason, const char *fmt, ...)
777 {
778 va_list args;
779
780 va_start(args, fmt);
781 c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
782 va_end(args);
783 }
784
ERR_vset_error(int lib,int reason,const char * fmt,va_list args)785 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
786 {
787 c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
788 }
789
ERR_set_mark(void)790 int ERR_set_mark(void)
791 {
792 return c_set_error_mark(NULL);
793 }
794
ERR_clear_last_mark(void)795 int ERR_clear_last_mark(void)
796 {
797 return c_clear_last_error_mark(NULL);
798 }
799
ERR_pop_to_mark(void)800 int ERR_pop_to_mark(void)
801 {
802 return c_pop_error_to_mark(NULL);
803 }
804
805 /*
806 * This must take a library context, since it's called from the depths
807 * of crypto/initthread.c code, where it's (correctly) assumed that the
808 * passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
809 * is also called from other parts of libcrypto, which all pass around a
810 * OSSL_LIB_CTX pointer)
811 */
FIPS_get_core_handle(OSSL_LIB_CTX * libctx)812 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OSSL_LIB_CTX *libctx)
813 {
814 FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
815 OSSL_LIB_CTX_FIPS_PROV_INDEX,
816 &fips_prov_ossl_ctx_method);
817
818 if (fgbl == NULL)
819 return NULL;
820
821 return fgbl->handle;
822 }
823
CRYPTO_malloc(size_t num,const char * file,int line)824 void *CRYPTO_malloc(size_t num, const char *file, int line)
825 {
826 return c_CRYPTO_malloc(num, file, line);
827 }
828
CRYPTO_zalloc(size_t num,const char * file,int line)829 void *CRYPTO_zalloc(size_t num, const char *file, int line)
830 {
831 return c_CRYPTO_zalloc(num, file, line);
832 }
833
CRYPTO_free(void * ptr,const char * file,int line)834 void CRYPTO_free(void *ptr, const char *file, int line)
835 {
836 c_CRYPTO_free(ptr, file, line);
837 }
838
CRYPTO_clear_free(void * ptr,size_t num,const char * file,int line)839 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
840 {
841 c_CRYPTO_clear_free(ptr, num, file, line);
842 }
843
CRYPTO_realloc(void * addr,size_t num,const char * file,int line)844 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
845 {
846 return c_CRYPTO_realloc(addr, num, file, line);
847 }
848
CRYPTO_clear_realloc(void * addr,size_t old_num,size_t num,const char * file,int line)849 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
850 const char *file, int line)
851 {
852 return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
853 }
854
CRYPTO_secure_malloc(size_t num,const char * file,int line)855 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
856 {
857 return c_CRYPTO_secure_malloc(num, file, line);
858 }
859
CRYPTO_secure_zalloc(size_t num,const char * file,int line)860 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
861 {
862 return c_CRYPTO_secure_zalloc(num, file, line);
863 }
864
CRYPTO_secure_free(void * ptr,const char * file,int line)865 void CRYPTO_secure_free(void *ptr, const char *file, int line)
866 {
867 c_CRYPTO_secure_free(ptr, file, line);
868 }
869
CRYPTO_secure_clear_free(void * ptr,size_t num,const char * file,int line)870 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
871 {
872 c_CRYPTO_secure_clear_free(ptr, num, file, line);
873 }
874
CRYPTO_secure_allocated(const void * ptr)875 int CRYPTO_secure_allocated(const void *ptr)
876 {
877 return c_CRYPTO_secure_allocated(ptr);
878 }
879
BIO_snprintf(char * buf,size_t n,const char * format,...)880 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
881 {
882 va_list args;
883 int ret;
884
885 va_start(args, format);
886 ret = c_BIO_vsnprintf(buf, n, format, args);
887 va_end(args);
888 return ret;
889 }
890
FIPS_security_check_enabled(OSSL_LIB_CTX * libctx)891 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx)
892 {
893 FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
894 OSSL_LIB_CTX_FIPS_PROV_INDEX,
895 &fips_prov_ossl_ctx_method);
896
897 return fgbl->fips_security_checks;
898 }
899
OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX * libctx,OSSL_CALLBACK ** cb,void ** cbarg)900 void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX *libctx, OSSL_CALLBACK **cb,
901 void **cbarg)
902 {
903 assert(libctx != NULL);
904
905 if (c_stcbfn != NULL && c_get_libctx != NULL) {
906 /* Get the parent libctx */
907 c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
908 } else {
909 if (cb != NULL)
910 *cb = NULL;
911 if (cbarg != NULL)
912 *cbarg = NULL;
913 }
914 }
915