4b15a21c0b208e06e9ef71d87992679dd7bd0434
[openssl.git] / providers / defltprov.c
1 /*
2  * Copyright 2019-2020 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 <string.h>
11 #include <stdio.h>
12 #include <openssl/opensslconf.h>
13 #include <openssl/core.h>
14 #include <openssl/core_numbers.h>
15 #include <openssl/core_names.h>
16 #include <openssl/params.h>
17 #include "prov/bio.h"
18 #include "prov/provider_ctx.h"
19 #include "prov/providercommon.h"
20 #include "prov/implementations.h"
21 #include "prov/provider_util.h"
22 #include "internal/nelem.h"
23
24 /*
25  * Forward declarations to ensure that interface functions are correctly
26  * defined.
27  */
28 static OSSL_provider_gettable_params_fn deflt_gettable_params;
29 static OSSL_provider_get_params_fn deflt_get_params;
30 static OSSL_provider_query_operation_fn deflt_query;
31
32 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, "provider=default", FUNC }, CHECK }
33 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
34
35 /* Functions provided by the core */
36 static OSSL_core_gettable_params_fn *c_gettable_params = NULL;
37 static OSSL_core_get_params_fn *c_get_params = NULL;
38
39 /* Parameters we provide to the core */
40 static const OSSL_PARAM deflt_param_types[] = {
41     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
42     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
43     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
44     OSSL_PARAM_END
45 };
46
47 static const OSSL_PARAM *deflt_gettable_params(void *provctx)
48 {
49     return deflt_param_types;
50 }
51
52 static int deflt_get_params(void *provctx, OSSL_PARAM params[])
53 {
54     OSSL_PARAM *p;
55
56     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
57     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
58         return 0;
59     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
60     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
61         return 0;
62     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
63     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
64         return 0;
65
66     return 1;
67 }
68
69 /*
70  * For the algorithm names, we use the following formula for our primary
71  * names:
72  *
73  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
74  *
75  *     VERSION is only present if there are multiple versions of
76  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
77  *     one version (if a subsequent version is released in the future,
78  *     we can always change the canonical name, and add the old name
79  *     as an alias).
80  *
81  *     SUBNAME may be present where we are combining multiple
82  *     algorithms together, e.g. MD5-SHA1.
83  *
84  *     SIZE is only present if multiple versions of an algorithm exist
85  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
86  *
87  *     MODE is only present where applicable.
88  *
89  * We add diverse other names where applicable, such as the names that
90  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
91  * we have used historically.
92  *
93  * Algorithm names are case insensitive, but we use all caps in our "canonical"
94  * names for consistency.
95  */
96 static const OSSL_ALGORITHM deflt_digests[] = {
97     /* Our primary name:NIST name[:our older names] */
98     { "SHA1:SHA-1", "provider=default", sha1_functions },
99     { "SHA2-224:SHA-224:SHA224", "provider=default", sha224_functions },
100     { "SHA2-256:SHA-256:SHA256", "provider=default", sha256_functions },
101     { "SHA2-384:SHA-384:SHA384", "provider=default", sha384_functions },
102     { "SHA2-512:SHA-512:SHA512", "provider=default", sha512_functions },
103     { "SHA2-512/224:SHA-512/224:SHA512-224", "provider=default",
104       sha512_224_functions },
105     { "SHA2-512/256:SHA-512/256:SHA512-256", "provider=default",
106       sha512_256_functions },
107
108     /* We agree with NIST here, so one name only */
109     { "SHA3-224", "provider=default", sha3_224_functions },
110     { "SHA3-256", "provider=default", sha3_256_functions },
111     { "SHA3-384", "provider=default", sha3_384_functions },
112     { "SHA3-512", "provider=default", sha3_512_functions },
113
114     /*
115      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
116      * the KMAC-128 and KMAC-256.
117      */
118     { "KECCAK-KMAC-128:KECCAK-KMAC128", "provider=default", keccak_kmac_128_functions },
119     { "KECCAK-KMAC-256:KECCAK-KMAC256", "provider=default", keccak_kmac_256_functions },
120
121     /* Our primary name:NIST name */
122     { "SHAKE-128:SHAKE128", "provider=default", shake_128_functions },
123     { "SHAKE-256:SHAKE256", "provider=default", shake_256_functions },
124
125 #ifndef OPENSSL_NO_BLAKE2
126     /*
127      * https://blake2.net/ doesn't specify size variants,
128      * but mentions that Bouncy Castle uses the names
129      * BLAKE2b-160, BLAKE2b-256, BLAKE2b-384, and BLAKE2b-512
130      * If we assume that "2b" and "2s" are versions, that pattern
131      * fits with ours.  We also add our historical names.
132      */
133     { "BLAKE2S-256:BLAKE2s256", "provider=default", blake2s256_functions },
134     { "BLAKE2B-512:BLAKE2b512", "provider=default", blake2b512_functions },
135 #endif /* OPENSSL_NO_BLAKE2 */
136
137 #ifndef OPENSSL_NO_SM3
138     { "SM3", "provider=default", sm3_functions },
139 #endif /* OPENSSL_NO_SM3 */
140
141 #ifndef OPENSSL_NO_MD5
142     { "MD5", "provider=default", md5_functions },
143     { "MD5-SHA1", "provider=default", md5_sha1_functions },
144 #endif /* OPENSSL_NO_MD5 */
145
146     { NULL, NULL, NULL }
147 };
148
149 static const OSSL_ALGORITHM_CAPABLE deflt_ciphers[] = {
150     ALG("NULL", null_functions),
151     ALG("AES-256-ECB", aes256ecb_functions),
152     ALG("AES-192-ECB", aes192ecb_functions),
153     ALG("AES-128-ECB", aes128ecb_functions),
154     ALG("AES-256-CBC", aes256cbc_functions),
155     ALG("AES-192-CBC", aes192cbc_functions),
156     ALG("AES-128-CBC", aes128cbc_functions),
157     ALG("AES-256-OFB", aes256ofb_functions),
158     ALG("AES-192-OFB", aes192ofb_functions),
159     ALG("AES-128-OFB", aes128ofb_functions),
160     ALG("AES-256-CFB", aes256cfb_functions),
161     ALG("AES-192-CFB", aes192cfb_functions),
162     ALG("AES-128-CFB", aes128cfb_functions),
163     ALG("AES-256-CFB1", aes256cfb1_functions),
164     ALG("AES-192-CFB1", aes192cfb1_functions),
165     ALG("AES-128-CFB1", aes128cfb1_functions),
166     ALG("AES-256-CFB8", aes256cfb8_functions),
167     ALG("AES-192-CFB8", aes192cfb8_functions),
168     ALG("AES-128-CFB8", aes128cfb8_functions),
169     ALG("AES-256-CTR", aes256ctr_functions),
170     ALG("AES-192-CTR", aes192ctr_functions),
171     ALG("AES-128-CTR", aes128ctr_functions),
172     ALG("AES-256-XTS", aes256xts_functions),
173     ALG("AES-128-XTS", aes128xts_functions),
174 #ifndef OPENSSL_NO_OCB
175     ALG("AES-256-OCB", aes256ocb_functions),
176     ALG("AES-192-OCB", aes192ocb_functions),
177     ALG("AES-128-OCB", aes128ocb_functions),
178 #endif /* OPENSSL_NO_OCB */
179 #ifndef OPENSSL_NO_SIV
180     ALG("AES-128-SIV", aes128siv_functions),
181     ALG("AES-192-SIV", aes192siv_functions),
182     ALG("AES-256-SIV", aes256siv_functions),
183 #endif /* OPENSSL_NO_SIV */
184     ALG("AES-256-GCM:id-aes256-GCM", aes256gcm_functions),
185     ALG("AES-192-GCM:id-aes192-GCM", aes192gcm_functions),
186     ALG("AES-128-GCM:id-aes128-GCM", aes128gcm_functions),
187     ALG("AES-256-CCM:id-aes256-CCM", aes256ccm_functions),
188     ALG("AES-192-CCM:id-aes192-CCM", aes192ccm_functions),
189     ALG("AES-128-CCM:id-aes128-CCM", aes128ccm_functions),
190     ALG("AES-256-WRAP:id-aes256-wrap:AES256-WRAP", aes256wrap_functions),
191     ALG("AES-192-WRAP:id-aes192-wrap:AES192-WRAP", aes192wrap_functions),
192     ALG("AES-128-WRAP:id-aes128-wrap:AES128-WRAP", aes128wrap_functions),
193     ALG("AES-256-WRAP-PAD:id-aes256-wrap-pad:AES256-WRAP-PAD",
194         aes256wrappad_functions),
195     ALG("AES-192-WRAP-PAD:id-aes192-wrap-pad:AES192-WRAP-PAD",
196         aes192wrappad_functions),
197     ALG("AES-128-WRAP-PAD:id-aes128-wrap-pad:AES128-WRAP-PAD",
198         aes128wrappad_functions),
199     ALGC("AES-128-CBC-HMAC-SHA1", aes128cbc_hmac_sha1_functions,
200          cipher_capable_aes_cbc_hmac_sha1),
201     ALGC("AES-256-CBC-HMAC-SHA1", aes256cbc_hmac_sha1_functions,
202          cipher_capable_aes_cbc_hmac_sha1),
203     ALGC("AES-128-CBC-HMAC-SHA256", aes128cbc_hmac_sha256_functions,
204         cipher_capable_aes_cbc_hmac_sha256),
205     ALGC("AES-256-CBC-HMAC-SHA256", aes256cbc_hmac_sha256_functions,
206          cipher_capable_aes_cbc_hmac_sha256),
207 #ifndef OPENSSL_NO_ARIA
208     ALG("ARIA-256-GCM", aria256gcm_functions),
209     ALG("ARIA-192-GCM", aria192gcm_functions),
210     ALG("ARIA-128-GCM", aria128gcm_functions),
211     ALG("ARIA-256-CCM", aria256ccm_functions),
212     ALG("ARIA-192-CCM", aria192ccm_functions),
213     ALG("ARIA-128-CCM", aria128ccm_functions),
214     ALG("ARIA-256-ECB", aria256ecb_functions),
215     ALG("ARIA-192-ECB", aria192ecb_functions),
216     ALG("ARIA-128-ECB", aria128ecb_functions),
217     ALG("ARIA-256-CBC:ARIA256", aria256cbc_functions),
218     ALG("ARIA-192-CBC:ARIA192", aria192cbc_functions),
219     ALG("ARIA-128-CBC:ARIA128", aria128cbc_functions),
220     ALG("ARIA-256-OFB", aria256ofb_functions),
221     ALG("ARIA-192-OFB", aria192ofb_functions),
222     ALG("ARIA-128-OFB", aria128ofb_functions),
223     ALG("ARIA-256-CFB", aria256cfb_functions),
224     ALG("ARIA-192-CFB", aria192cfb_functions),
225     ALG("ARIA-128-CFB", aria128cfb_functions),
226     ALG("ARIA-256-CFB1", aria256cfb1_functions),
227     ALG("ARIA-192-CFB1", aria192cfb1_functions),
228     ALG("ARIA-128-CFB1", aria128cfb1_functions),
229     ALG("ARIA-256-CFB8", aria256cfb8_functions),
230     ALG("ARIA-192-CFB8", aria192cfb8_functions),
231     ALG("ARIA-128-CFB8", aria128cfb8_functions),
232     ALG("ARIA-256-CTR", aria256ctr_functions),
233     ALG("ARIA-192-CTR", aria192ctr_functions),
234     ALG("ARIA-128-CTR", aria128ctr_functions),
235 #endif /* OPENSSL_NO_ARIA */
236 #ifndef OPENSSL_NO_CAMELLIA
237     ALG("CAMELLIA-256-ECB", camellia256ecb_functions),
238     ALG("CAMELLIA-192-ECB", camellia192ecb_functions),
239     ALG("CAMELLIA-128-ECB", camellia128ecb_functions),
240     ALG("CAMELLIA-256-CBC:CAMELLIA256", camellia256cbc_functions),
241     ALG("CAMELLIA-192-CBC:CAMELLIA192", camellia192cbc_functions),
242     ALG("CAMELLIA-128-CBC:CAMELLIA128", camellia128cbc_functions),
243     ALG("CAMELLIA-256-OFB", camellia256ofb_functions),
244     ALG("CAMELLIA-192-OFB", camellia192ofb_functions),
245     ALG("CAMELLIA-128-OFB", camellia128ofb_functions),
246     ALG("CAMELLIA-256-CFB", camellia256cfb_functions),
247     ALG("CAMELLIA-192-CFB", camellia192cfb_functions),
248     ALG("CAMELLIA-128-CFB", camellia128cfb_functions),
249     ALG("CAMELLIA-256-CFB1", camellia256cfb1_functions),
250     ALG("CAMELLIA-192-CFB1", camellia192cfb1_functions),
251     ALG("CAMELLIA-128-CFB1", camellia128cfb1_functions),
252     ALG("CAMELLIA-256-CFB8", camellia256cfb8_functions),
253     ALG("CAMELLIA-192-CFB8", camellia192cfb8_functions),
254     ALG("CAMELLIA-128-CFB8", camellia128cfb8_functions),
255     ALG("CAMELLIA-256-CTR", camellia256ctr_functions),
256     ALG("CAMELLIA-192-CTR", camellia192ctr_functions),
257     ALG("CAMELLIA-128-CTR", camellia128ctr_functions),
258 #endif /* OPENSSL_NO_CAMELLIA */
259 #ifndef OPENSSL_NO_DES
260     ALG("DES-EDE3-ECB:DES-EDE3", tdes_ede3_ecb_functions),
261     ALG("DES-EDE3-CBC:DES3", tdes_ede3_cbc_functions),
262     ALG("DES-EDE3-OFB", tdes_ede3_ofb_functions),
263     ALG("DES-EDE3-CFB", tdes_ede3_cfb_functions),
264     ALG("DES-EDE3-CFB8", tdes_ede3_cfb8_functions),
265     ALG("DES-EDE3-CFB1", tdes_ede3_cfb1_functions),
266     ALG("DES3-WRAP:id-smime-alg-CMS3DESwrap", tdes_wrap_cbc_functions),
267     ALG("DES-EDE-ECB:DES-EDE", tdes_ede2_ecb_functions),
268     ALG("DES-EDE-CBC", tdes_ede2_cbc_functions),
269     ALG("DES-EDE-OFB", tdes_ede2_ofb_functions),
270     ALG("DES-EDE-CFB", tdes_ede2_cfb_functions),
271 #endif /* OPENSSL_NO_DES */
272 #ifndef OPENSSL_NO_SM4
273     ALG("SM4-ECB", sm4128ecb_functions),
274     ALG("SM4-CBC:SM4", sm4128cbc_functions),
275     ALG("SM4-CTR", sm4128ctr_functions),
276     ALG("SM4-OFB:SM4-OFB128", sm4128ofb128_functions),
277     ALG("SM4-CFB:SM4-CFB128", sm4128cfb128_functions),
278 #endif /* OPENSSL_NO_SM4 */
279 #ifndef OPENSSL_NO_CHACHA
280     ALG("ChaCha20", chacha20_functions),
281 # ifndef OPENSSL_NO_POLY1305
282     ALG("ChaCha20-Poly1305", chacha20_poly1305_functions),
283 # endif /* OPENSSL_NO_POLY1305 */
284 #endif /* OPENSSL_NO_CHACHA */
285     { { NULL, NULL, NULL }, NULL }
286 };
287 static OSSL_ALGORITHM exported_ciphers[OSSL_NELEM(deflt_ciphers)];
288
289 static const OSSL_ALGORITHM deflt_macs[] = {
290 #ifndef OPENSSL_NO_BLAKE2
291     { "BLAKE2BMAC", "provider=default", blake2bmac_functions },
292     { "BLAKE2SMAC", "provider=default", blake2smac_functions },
293 #endif
294 #ifndef OPENSSL_NO_CMAC
295     { "CMAC", "provider=default", cmac_functions },
296 #endif
297     { "GMAC", "provider=default", gmac_functions },
298     { "HMAC", "provider=default", hmac_functions },
299     { "KMAC-128:KMAC128", "provider=default", kmac128_functions },
300     { "KMAC-256:KMAC256", "provider=default", kmac256_functions },
301 #ifndef OPENSSL_NO_SIPHASH
302     { "SIPHASH", "provider=default", siphash_functions },
303 #endif
304 #ifndef OPENSSL_NO_POLY1305
305     { "POLY1305", "provider=default", poly1305_functions },
306 #endif
307     { NULL, NULL, NULL }
308 };
309
310 static const OSSL_ALGORITHM deflt_kdfs[] = {
311     { "HKDF", "provider=default", kdf_hkdf_functions },
312     { "SSKDF", "provider=default", kdf_sskdf_functions },
313     { "PBKDF2", "provider=default", kdf_pbkdf2_functions },
314     { "SSHKDF", "provider=default", kdf_sshkdf_functions },
315     { "X963KDF", "provider=default", kdf_x963_kdf_functions },
316     { "TLS1-PRF", "provider=default", kdf_tls1_prf_functions },
317     { "KBKDF", "provider=default", kdf_kbkdf_functions },
318 #ifndef OPENSSL_NO_CMS
319     { "X942KDF", "provider=default", kdf_x942_kdf_functions },
320 #endif
321 #ifndef OPENSSL_NO_SCRYPT
322     { "SCRYPT:id-scrypt", "provider=default", kdf_scrypt_functions },
323 #endif
324     { "KRB5KDF", "provider=default", kdf_krb5kdf_functions },
325     { NULL, NULL, NULL }
326 };
327
328 static const OSSL_ALGORITHM deflt_keyexch[] = {
329 #ifndef OPENSSL_NO_DH
330     { "DH:dhKeyAgreement", "provider=default", dh_keyexch_functions },
331 #endif
332 #ifndef OPENSSL_NO_EC
333     { "ECDH", "provider=default", ecdh_keyexch_functions },
334     { "X25519", "provider=default", x25519_keyexch_functions },
335     { "X448", "provider=default", x448_keyexch_functions },
336 #endif
337     { NULL, NULL, NULL }
338 };
339
340 static const OSSL_ALGORITHM deflt_signature[] = {
341 #ifndef OPENSSL_NO_DSA
342     { "DSA:dsaEncryption", "provider=default", dsa_signature_functions },
343 #endif
344     { "RSA:rsaEncryption", "provider=default", rsa_signature_functions },
345 #ifndef OPENSSL_NO_EC
346     { "ED25519:Ed25519", "provider=default", ed25519_signature_functions },
347     { "ED448:Ed448", "provider=default", ed448_signature_functions },
348     { "ECDSA", "provider=default", ecdsa_signature_functions },
349 #endif
350     { NULL, NULL, NULL }
351 };
352
353 static const OSSL_ALGORITHM deflt_asym_cipher[] = {
354     { "RSA:rsaEncryption", "provider=default", rsa_asym_cipher_functions },
355     { NULL, NULL, NULL }
356 };
357
358 static const OSSL_ALGORITHM deflt_keymgmt[] = {
359 #ifndef OPENSSL_NO_DH
360     { "DH:dhKeyAgreement", "provider=default", dh_keymgmt_functions },
361 #endif
362 #ifndef OPENSSL_NO_DSA
363     { "DSA:dsaEncryption", "provider=default", dsa_keymgmt_functions },
364 #endif
365     { "RSA:rsaEncryption", "provider=default", rsa_keymgmt_functions },
366     { "RSA-PSS:RSASSA-PSS", "provider=default", rsapss_keymgmt_functions },
367 #ifndef OPENSSL_NO_EC
368     { "EC:id-ecPublicKey", "provider=default", ec_keymgmt_functions },
369     { "X25519", "provider=default", x25519_keymgmt_functions },
370     { "X448", "provider=default", x448_keymgmt_functions },
371     { "ED25519", "provider=default", ed25519_keymgmt_functions },
372     { "ED448", "provider=default", ed448_keymgmt_functions },
373 #endif
374     { NULL, NULL, NULL }
375 };
376
377 /*
378  * Unlike most algorithms in the default provider, the serializers are allowed
379  * for use in FIPS mode because they are not FIPS relevant, and therefore have
380  * the "fips=yes" property.
381  */
382 static const OSSL_ALGORITHM deflt_serializer[] = {
383     { "RSA", "provider=default,fips=yes,format=text,type=private",
384       rsa_priv_text_serializer_functions },
385     { "RSA", "provider=default,fips=yes,format=text,type=public",
386       rsa_pub_text_serializer_functions },
387     { "RSA", "provider=default,fips=yes,format=der,type=private",
388       rsa_priv_der_serializer_functions },
389     { "RSA", "provider=default,fips=yes,format=der,type=public",
390       rsa_pub_der_serializer_functions },
391     { "RSA", "provider=default,fips=yes,format=pem,type=private",
392       rsa_priv_pem_serializer_functions },
393     { "RSA", "provider=default,fips=yes,format=pem,type=public",
394       rsa_pub_pem_serializer_functions },
395     { "RSA-PSS", "provider=default,fips=yes,format=text,type=private",
396       rsa_priv_text_serializer_functions },
397     { "RSA-PSS", "provider=default,fips=yes,format=text,type=public",
398       rsa_pub_text_serializer_functions },
399     { "RSA-PSS", "provider=default,fips=yes,format=der,type=private",
400       rsa_priv_der_serializer_functions },
401     { "RSA-PSS", "provider=default,fips=yes,format=der,type=public",
402       rsa_pub_der_serializer_functions },
403     { "RSA-PSS", "provider=default,fips=yes,format=pem,type=private",
404       rsa_priv_pem_serializer_functions },
405     { "RSA-PSS", "provider=default,fips=yes,format=pem,type=public",
406       rsa_pub_pem_serializer_functions },
407
408 #ifndef OPENSSL_NO_DH
409     { "DH", "provider=default,fips=yes,format=text,type=private",
410       dh_priv_text_serializer_functions },
411     { "DH", "provider=default,fips=yes,format=text,type=public",
412       dh_pub_text_serializer_functions },
413     { "DH", "provider=default,fips=yes,format=text,type=parameters",
414       dh_param_text_serializer_functions },
415     { "DH", "provider=default,fips=yes,format=der,type=private",
416       dh_priv_der_serializer_functions },
417     { "DH", "provider=default,fips=yes,format=der,type=public",
418       dh_pub_der_serializer_functions },
419     { "DH", "provider=default,fips=yes,format=der,type=parameters",
420       dh_param_der_serializer_functions },
421     { "DH", "provider=default,fips=yes,format=pem,type=private",
422       dh_priv_pem_serializer_functions },
423     { "DH", "provider=default,fips=yes,format=pem,type=public",
424       dh_pub_pem_serializer_functions },
425     { "DH", "provider=default,fips=yes,format=pem,type=parameters",
426       dh_param_pem_serializer_functions },
427 #endif
428
429 #ifndef OPENSSL_NO_DSA
430     { "DSA", "provider=default,fips=yes,format=text,type=private",
431       dsa_priv_text_serializer_functions },
432     { "DSA", "provider=default,fips=yes,format=text,type=public",
433       dsa_pub_text_serializer_functions },
434     { "DSA", "provider=default,fips=yes,format=text,type=parameters",
435       dsa_param_text_serializer_functions },
436     { "DSA", "provider=default,fips=yes,format=der,type=private",
437       dsa_priv_der_serializer_functions },
438     { "DSA", "provider=default,fips=yes,format=der,type=public",
439       dsa_pub_der_serializer_functions },
440     { "DSA", "provider=default,fips=yes,format=der,type=parameters",
441       dsa_param_der_serializer_functions },
442     { "DSA", "provider=default,fips=yes,format=pem,type=private",
443       dsa_priv_pem_serializer_functions },
444     { "DSA", "provider=default,fips=yes,format=pem,type=public",
445       dsa_pub_pem_serializer_functions },
446     { "DSA", "provider=default,fips=yes,format=pem,type=parameters",
447       dsa_param_pem_serializer_functions },
448 #endif
449
450 #ifndef OPENSSL_NO_EC
451     { "X25519", "provider=default,fips=yes,format=text,type=private",
452       x25519_priv_print_serializer_functions },
453     { "X25519", "provider=default,fips=yes,format=text,type=public",
454       x25519_pub_print_serializer_functions },
455     { "X25519", "provider=default,fips=yes,format=der,type=private",
456       x25519_priv_der_serializer_functions },
457     { "X25519", "provider=default,fips=yes,format=der,type=public",
458       x25519_pub_der_serializer_functions },
459     { "X25519", "provider=default,fips=yes,format=pem,type=private",
460       x25519_priv_pem_serializer_functions },
461     { "X25519", "provider=default,fips=yes,format=pem,type=public",
462       x25519_pub_pem_serializer_functions },
463
464     { "X448", "provider=default,format=text,type=private",
465       x448_priv_print_serializer_functions },
466     { "X448", "provider=default,format=text,type=public",
467       x448_pub_print_serializer_functions },
468     { "X448", "provider=default,format=der,type=private",
469       x448_priv_der_serializer_functions },
470     { "X448", "provider=default,format=der,type=public",
471       x448_pub_der_serializer_functions },
472     { "X448", "provider=default,format=pem,type=private",
473       x448_priv_pem_serializer_functions },
474     { "X448", "provider=default,format=pem,type=public",
475       x448_pub_pem_serializer_functions },
476
477     { "ED25519", "provider=default,fips=yes,format=text,type=private",
478       ed25519_priv_print_serializer_functions },
479     { "ED25519", "provider=default,fips=yes,format=text,type=public",
480       ed25519_pub_print_serializer_functions },
481     { "ED25519", "provider=default,fips=yes,format=der,type=private",
482       ed25519_priv_der_serializer_functions },
483     { "ED25519", "provider=default,fips=yes,format=der,type=public",
484       ed25519_pub_der_serializer_functions },
485     { "ED25519", "provider=default,fips=yes,format=pem,type=private",
486       ed25519_priv_pem_serializer_functions },
487     { "ED25519", "provider=default,fips=yes,format=pem,type=public",
488       ed25519_pub_pem_serializer_functions },
489
490     { "ED448", "provider=default,format=text,type=private",
491       ed448_priv_print_serializer_functions },
492     { "ED448", "provider=default,format=text,type=public",
493       ed448_pub_print_serializer_functions },
494     { "ED448", "provider=default,format=der,type=private",
495       ed448_priv_der_serializer_functions },
496     { "ED448", "provider=default,format=der,type=public",
497       ed448_pub_der_serializer_functions },
498     { "ED448", "provider=default,format=pem,type=private",
499       ed448_priv_pem_serializer_functions },
500     { "ED448", "provider=default,format=pem,type=public",
501       ed448_pub_pem_serializer_functions },
502
503     { "EC", "provider=default,fips=yes,format=text,type=private",
504       ec_priv_text_serializer_functions },
505     { "EC", "provider=default,fips=yes,format=text,type=public",
506       ec_pub_text_serializer_functions },
507     { "EC", "provider=default,fips=yes,format=text,type=parameters",
508       ec_param_text_serializer_functions },
509     { "EC", "provider=default,fips=yes,format=der,type=private",
510       ec_priv_der_serializer_functions },
511     { "EC", "provider=default,fips=yes,format=der,type=public",
512       ec_pub_der_serializer_functions },
513     { "EC", "provider=default,fips=yes,format=der,type=parameters",
514       ec_param_der_serializer_functions },
515     { "EC", "provider=default,fips=yes,format=pem,type=private",
516       ec_priv_pem_serializer_functions },
517     { "EC", "provider=default,fips=yes,format=pem,type=public",
518       ec_pub_pem_serializer_functions },
519     { "EC", "provider=default,fips=yes,format=pem,type=parameters",
520       ec_param_pem_serializer_functions },
521 #endif
522     { NULL, NULL, NULL }
523 };
524
525 static const OSSL_ALGORITHM *deflt_query(void *provctx, int operation_id,
526                                          int *no_cache)
527 {
528     *no_cache = 0;
529     switch (operation_id) {
530     case OSSL_OP_DIGEST:
531         return deflt_digests;
532     case OSSL_OP_CIPHER:
533         ossl_prov_cache_exported_algorithms(deflt_ciphers, exported_ciphers);
534         return exported_ciphers;
535     case OSSL_OP_MAC:
536         return deflt_macs;
537     case OSSL_OP_KDF:
538         return deflt_kdfs;
539     case OSSL_OP_KEYMGMT:
540         return deflt_keymgmt;
541     case OSSL_OP_KEYEXCH:
542         return deflt_keyexch;
543     case OSSL_OP_SIGNATURE:
544         return deflt_signature;
545     case OSSL_OP_ASYM_CIPHER:
546         return deflt_asym_cipher;
547     case OSSL_OP_SERIALIZER:
548         return deflt_serializer;
549     }
550     return NULL;
551 }
552
553 static void deflt_teardown(void *provctx)
554 {
555     BIO_meth_free(PROV_CTX_get0_core_bio_method(provctx));
556     PROV_CTX_free(provctx);
557 }
558
559 /* Functions we provide to the core */
560 static const OSSL_DISPATCH deflt_dispatch_table[] = {
561     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))deflt_teardown },
562     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))deflt_gettable_params },
563     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
564     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
565     { 0, NULL }
566 };
567
568 OSSL_provider_init_fn ossl_default_provider_init;
569
570 int ossl_default_provider_init(const OSSL_CORE_HANDLE *handle,
571                                const OSSL_DISPATCH *in,
572                                const OSSL_DISPATCH **out,
573                                void **provctx)
574 {
575     OSSL_core_get_library_context_fn *c_get_libctx = NULL;
576     BIO_METHOD *corebiometh;
577
578     if (!ossl_prov_bio_from_dispatch(in))
579         return 0;
580     for (; in->function_id != 0; in++) {
581         switch (in->function_id) {
582         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
583             c_gettable_params = OSSL_get_core_gettable_params(in);
584             break;
585         case OSSL_FUNC_CORE_GET_PARAMS:
586             c_get_params = OSSL_get_core_get_params(in);
587             break;
588         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
589             c_get_libctx = OSSL_get_core_get_library_context(in);
590             break;
591         default:
592             /* Just ignore anything we don't understand */
593             break;
594         }
595     }
596
597     if (c_get_libctx == NULL)
598         return 0;
599
600     /*
601      * We want to make sure that all calls from this provider that requires
602      * a library context use the same context as the one used to call our
603      * functions.  We do that by passing it along in the provider context.
604      *
605      * This only works for built-in providers.  Most providers should
606      * create their own library context.
607      */
608     if ((*provctx = PROV_CTX_new()) == NULL
609             || (corebiometh = bio_prov_init_bio_method()) == NULL) {
610         PROV_CTX_free(*provctx);
611         *provctx = NULL;
612         return 0;
613     }
614     PROV_CTX_set0_library_context(*provctx, (OPENSSL_CTX *)c_get_libctx(handle));
615     PROV_CTX_set0_handle(*provctx, handle);
616     PROV_CTX_set0_core_bio_method(*provctx, corebiometh);
617
618     *out = deflt_dispatch_table;
619
620     return 1;
621 }