1 /*
2  * Copyright 2019-2022 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_dispatch.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/names.h"
22 #include "prov/provider_util.h"
23 #include "prov/seeding.h"
24 #include "internal/nelem.h"
25 
26 /*
27  * Forward declarations to ensure that interface functions are correctly
28  * defined.
29  */
30 static OSSL_FUNC_provider_gettable_params_fn deflt_gettable_params;
31 static OSSL_FUNC_provider_get_params_fn deflt_get_params;
32 static OSSL_FUNC_provider_query_operation_fn deflt_query;
33 
34 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, "provider=default", FUNC }, CHECK }
35 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
36 
37 /* Functions provided by the core */
38 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params = NULL;
39 static OSSL_FUNC_core_get_params_fn *c_get_params = NULL;
40 
41 /* Parameters we provide to the core */
42 static const OSSL_PARAM deflt_param_types[] = {
43     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
44     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
45     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
46     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
47     OSSL_PARAM_END
48 };
49 
50 static const OSSL_PARAM *deflt_gettable_params(void *provctx)
51 {
52     return deflt_param_types;
53 }
54 
55 static int deflt_get_params(void *provctx, OSSL_PARAM params[])
56 {
57     OSSL_PARAM *p;
58 
59     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
60     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
61         return 0;
62     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
63     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
64         return 0;
65     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
66     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
67         return 0;
68     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
69     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
70         return 0;
71     return 1;
72 }
73 
74 /*
75  * For the algorithm names, we use the following formula for our primary
76  * names:
77  *
78  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
79  *
80  *     VERSION is only present if there are multiple versions of
81  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
82  *     one version (if a subsequent version is released in the future,
83  *     we can always change the canonical name, and add the old name
84  *     as an alias).
85  *
86  *     SUBNAME may be present where we are combining multiple
87  *     algorithms together, e.g. MD5-SHA1.
88  *
89  *     SIZE is only present if multiple versions of an algorithm exist
90  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
91  *
92  *     MODE is only present where applicable.
93  *
94  * We add diverse other names where applicable, such as the names that
95  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
96  * we have used historically.
97  *
98  * Algorithm names are case insensitive, but we use all caps in our "canonical"
99  * names for consistency.
100  */
101 static const OSSL_ALGORITHM deflt_digests[] = {
102     /* Our primary name:NIST name[:our older names] */
103     { PROV_NAMES_SHA1, "provider=default", ossl_sha1_functions },
104     { PROV_NAMES_SHA2_224, "provider=default", ossl_sha224_functions },
105     { PROV_NAMES_SHA2_256, "provider=default", ossl_sha256_functions },
106     { PROV_NAMES_SHA2_384, "provider=default", ossl_sha384_functions },
107     { PROV_NAMES_SHA2_512, "provider=default", ossl_sha512_functions },
108     { PROV_NAMES_SHA2_512_224, "provider=default", ossl_sha512_224_functions },
109     { PROV_NAMES_SHA2_512_256, "provider=default", ossl_sha512_256_functions },
110 
111     /* We agree with NIST here, so one name only */
112     { PROV_NAMES_SHA3_224, "provider=default", ossl_sha3_224_functions },
113     { PROV_NAMES_SHA3_256, "provider=default", ossl_sha3_256_functions },
114     { PROV_NAMES_SHA3_384, "provider=default", ossl_sha3_384_functions },
115     { PROV_NAMES_SHA3_512, "provider=default", ossl_sha3_512_functions },
116 
117     /*
118      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
119      * the KMAC-128 and KMAC-256.
120      */
121     { PROV_NAMES_KECCAK_KMAC_128, "provider=default",
122       ossl_keccak_kmac_128_functions },
123     { PROV_NAMES_KECCAK_KMAC_256, "provider=default",
124       ossl_keccak_kmac_256_functions },
125 
126     /* Our primary name:NIST name */
127     { PROV_NAMES_SHAKE_128, "provider=default", ossl_shake_128_functions },
128     { PROV_NAMES_SHAKE_256, "provider=default", ossl_shake_256_functions },
129 
130 #ifndef OPENSSL_NO_BLAKE2
131     /*
132      * https://blake2.net/ doesn't specify size variants,
133      * but mentions that Bouncy Castle uses the names
134      * BLAKE2b-160, BLAKE2b-256, BLAKE2b-384, and BLAKE2b-512
135      * If we assume that "2b" and "2s" are versions, that pattern
136      * fits with ours.  We also add our historical names.
137      */
138     { PROV_NAMES_BLAKE2S_256, "provider=default", ossl_blake2s256_functions },
139     { PROV_NAMES_BLAKE2B_512, "provider=default", ossl_blake2b512_functions },
140 #endif /* OPENSSL_NO_BLAKE2 */
141 
142 #ifndef OPENSSL_NO_SM3
143     { PROV_NAMES_SM3, "provider=default", ossl_sm3_functions },
144 #endif /* OPENSSL_NO_SM3 */
145 
146 #ifndef OPENSSL_NO_MD5
147     { PROV_NAMES_MD5, "provider=default", ossl_md5_functions },
148     { PROV_NAMES_MD5_SHA1, "provider=default", ossl_md5_sha1_functions },
149 #endif /* OPENSSL_NO_MD5 */
150 
151 #ifndef OPENSSL_NO_RMD160
152     { PROV_NAMES_RIPEMD_160, "provider=default", ossl_ripemd160_functions },
153 #endif /* OPENSSL_NO_RMD160 */
154 
155     { PROV_NAMES_NULL, "provider=default", ossl_nullmd_functions },
156     { NULL, NULL, NULL }
157 };
158 
159 static const OSSL_ALGORITHM_CAPABLE deflt_ciphers[] = {
160     ALG(PROV_NAMES_NULL, ossl_null_functions),
161     ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
162     ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
163     ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
164     ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
165     ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
166     ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
167     ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
168     ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
169     ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
170     ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
171     ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
172     ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
173     ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
174     ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
175     ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
176     ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
177     ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
178     ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
179     ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
180     ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
181     ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
182     ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
183     ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
184     ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
185     ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
186     ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
187 #ifndef OPENSSL_NO_OCB
188     ALG(PROV_NAMES_AES_256_OCB, ossl_aes256ocb_functions),
189     ALG(PROV_NAMES_AES_192_OCB, ossl_aes192ocb_functions),
190     ALG(PROV_NAMES_AES_128_OCB, ossl_aes128ocb_functions),
191 #endif /* OPENSSL_NO_OCB */
192 #ifndef OPENSSL_NO_SIV
193     ALG(PROV_NAMES_AES_128_SIV, ossl_aes128siv_functions),
194     ALG(PROV_NAMES_AES_192_SIV, ossl_aes192siv_functions),
195     ALG(PROV_NAMES_AES_256_SIV, ossl_aes256siv_functions),
196 #endif /* OPENSSL_NO_SIV */
197     ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
198     ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
199     ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
200     ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
201     ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
202     ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
203     ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
204     ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
205     ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
206     ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
207     ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
208     ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
209     ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
210     ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
211     ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
212     ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
213     ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
214     ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
215     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
216          ossl_cipher_capable_aes_cbc_hmac_sha1),
217     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
218          ossl_cipher_capable_aes_cbc_hmac_sha1),
219     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
220         ossl_cipher_capable_aes_cbc_hmac_sha256),
221     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
222          ossl_cipher_capable_aes_cbc_hmac_sha256),
223 #ifndef OPENSSL_NO_ARIA
224     ALG(PROV_NAMES_ARIA_256_GCM, ossl_aria256gcm_functions),
225     ALG(PROV_NAMES_ARIA_192_GCM, ossl_aria192gcm_functions),
226     ALG(PROV_NAMES_ARIA_128_GCM, ossl_aria128gcm_functions),
227     ALG(PROV_NAMES_ARIA_256_CCM, ossl_aria256ccm_functions),
228     ALG(PROV_NAMES_ARIA_192_CCM, ossl_aria192ccm_functions),
229     ALG(PROV_NAMES_ARIA_128_CCM, ossl_aria128ccm_functions),
230     ALG(PROV_NAMES_ARIA_256_ECB, ossl_aria256ecb_functions),
231     ALG(PROV_NAMES_ARIA_192_ECB, ossl_aria192ecb_functions),
232     ALG(PROV_NAMES_ARIA_128_ECB, ossl_aria128ecb_functions),
233     ALG(PROV_NAMES_ARIA_256_CBC, ossl_aria256cbc_functions),
234     ALG(PROV_NAMES_ARIA_192_CBC, ossl_aria192cbc_functions),
235     ALG(PROV_NAMES_ARIA_128_CBC, ossl_aria128cbc_functions),
236     ALG(PROV_NAMES_ARIA_256_OFB, ossl_aria256ofb_functions),
237     ALG(PROV_NAMES_ARIA_192_OFB, ossl_aria192ofb_functions),
238     ALG(PROV_NAMES_ARIA_128_OFB, ossl_aria128ofb_functions),
239     ALG(PROV_NAMES_ARIA_256_CFB, ossl_aria256cfb_functions),
240     ALG(PROV_NAMES_ARIA_192_CFB, ossl_aria192cfb_functions),
241     ALG(PROV_NAMES_ARIA_128_CFB, ossl_aria128cfb_functions),
242     ALG(PROV_NAMES_ARIA_256_CFB1, ossl_aria256cfb1_functions),
243     ALG(PROV_NAMES_ARIA_192_CFB1, ossl_aria192cfb1_functions),
244     ALG(PROV_NAMES_ARIA_128_CFB1, ossl_aria128cfb1_functions),
245     ALG(PROV_NAMES_ARIA_256_CFB8, ossl_aria256cfb8_functions),
246     ALG(PROV_NAMES_ARIA_192_CFB8, ossl_aria192cfb8_functions),
247     ALG(PROV_NAMES_ARIA_128_CFB8, ossl_aria128cfb8_functions),
248     ALG(PROV_NAMES_ARIA_256_CTR, ossl_aria256ctr_functions),
249     ALG(PROV_NAMES_ARIA_192_CTR, ossl_aria192ctr_functions),
250     ALG(PROV_NAMES_ARIA_128_CTR, ossl_aria128ctr_functions),
251 #endif /* OPENSSL_NO_ARIA */
252 #ifndef OPENSSL_NO_CAMELLIA
253     ALG(PROV_NAMES_CAMELLIA_256_ECB, ossl_camellia256ecb_functions),
254     ALG(PROV_NAMES_CAMELLIA_192_ECB, ossl_camellia192ecb_functions),
255     ALG(PROV_NAMES_CAMELLIA_128_ECB, ossl_camellia128ecb_functions),
256     ALG(PROV_NAMES_CAMELLIA_256_CBC, ossl_camellia256cbc_functions),
257     ALG(PROV_NAMES_CAMELLIA_192_CBC, ossl_camellia192cbc_functions),
258     ALG(PROV_NAMES_CAMELLIA_128_CBC, ossl_camellia128cbc_functions),
259     ALG(PROV_NAMES_CAMELLIA_128_CBC_CTS, ossl_camellia128cbc_cts_functions),
260     ALG(PROV_NAMES_CAMELLIA_192_CBC_CTS, ossl_camellia192cbc_cts_functions),
261     ALG(PROV_NAMES_CAMELLIA_256_CBC_CTS, ossl_camellia256cbc_cts_functions),
262     ALG(PROV_NAMES_CAMELLIA_256_OFB, ossl_camellia256ofb_functions),
263     ALG(PROV_NAMES_CAMELLIA_192_OFB, ossl_camellia192ofb_functions),
264     ALG(PROV_NAMES_CAMELLIA_128_OFB, ossl_camellia128ofb_functions),
265     ALG(PROV_NAMES_CAMELLIA_256_CFB, ossl_camellia256cfb_functions),
266     ALG(PROV_NAMES_CAMELLIA_192_CFB, ossl_camellia192cfb_functions),
267     ALG(PROV_NAMES_CAMELLIA_128_CFB, ossl_camellia128cfb_functions),
268     ALG(PROV_NAMES_CAMELLIA_256_CFB1, ossl_camellia256cfb1_functions),
269     ALG(PROV_NAMES_CAMELLIA_192_CFB1, ossl_camellia192cfb1_functions),
270     ALG(PROV_NAMES_CAMELLIA_128_CFB1, ossl_camellia128cfb1_functions),
271     ALG(PROV_NAMES_CAMELLIA_256_CFB8, ossl_camellia256cfb8_functions),
272     ALG(PROV_NAMES_CAMELLIA_192_CFB8, ossl_camellia192cfb8_functions),
273     ALG(PROV_NAMES_CAMELLIA_128_CFB8, ossl_camellia128cfb8_functions),
274     ALG(PROV_NAMES_CAMELLIA_256_CTR, ossl_camellia256ctr_functions),
275     ALG(PROV_NAMES_CAMELLIA_192_CTR, ossl_camellia192ctr_functions),
276     ALG(PROV_NAMES_CAMELLIA_128_CTR, ossl_camellia128ctr_functions),
277 #endif /* OPENSSL_NO_CAMELLIA */
278 #ifndef OPENSSL_NO_DES
279     ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
280     ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
281     ALG(PROV_NAMES_DES_EDE3_OFB, ossl_tdes_ede3_ofb_functions),
282     ALG(PROV_NAMES_DES_EDE3_CFB, ossl_tdes_ede3_cfb_functions),
283     ALG(PROV_NAMES_DES_EDE3_CFB8, ossl_tdes_ede3_cfb8_functions),
284     ALG(PROV_NAMES_DES_EDE3_CFB1, ossl_tdes_ede3_cfb1_functions),
285     ALG(PROV_NAMES_DES3_WRAP, ossl_tdes_wrap_cbc_functions),
286     ALG(PROV_NAMES_DES_EDE_ECB, ossl_tdes_ede2_ecb_functions),
287     ALG(PROV_NAMES_DES_EDE_CBC, ossl_tdes_ede2_cbc_functions),
288     ALG(PROV_NAMES_DES_EDE_OFB, ossl_tdes_ede2_ofb_functions),
289     ALG(PROV_NAMES_DES_EDE_CFB, ossl_tdes_ede2_cfb_functions),
290 #endif /* OPENSSL_NO_DES */
291 #ifndef OPENSSL_NO_SM4
292     ALG(PROV_NAMES_SM4_ECB, ossl_sm4128ecb_functions),
293     ALG(PROV_NAMES_SM4_CBC, ossl_sm4128cbc_functions),
294     ALG(PROV_NAMES_SM4_CTR, ossl_sm4128ctr_functions),
295     ALG(PROV_NAMES_SM4_OFB, ossl_sm4128ofb128_functions),
296     ALG(PROV_NAMES_SM4_CFB, ossl_sm4128cfb128_functions),
297 #endif /* OPENSSL_NO_SM4 */
298 #ifndef OPENSSL_NO_CHACHA
299     ALG(PROV_NAMES_ChaCha20, ossl_chacha20_functions),
300 # ifndef OPENSSL_NO_POLY1305
301     ALG(PROV_NAMES_ChaCha20_Poly1305, ossl_chacha20_ossl_poly1305_functions),
302 # endif /* OPENSSL_NO_POLY1305 */
303 #endif /* OPENSSL_NO_CHACHA */
304     { { NULL, NULL, NULL }, NULL }
305 };
306 static OSSL_ALGORITHM exported_ciphers[OSSL_NELEM(deflt_ciphers)];
307 
308 static const OSSL_ALGORITHM deflt_macs[] = {
309 #ifndef OPENSSL_NO_BLAKE2
310     { PROV_NAMES_BLAKE2BMAC, "provider=default", ossl_blake2bmac_functions },
311     { PROV_NAMES_BLAKE2SMAC, "provider=default", ossl_blake2smac_functions },
312 #endif
313 #ifndef OPENSSL_NO_CMAC
314     { PROV_NAMES_CMAC, "provider=default", ossl_cmac_functions },
315 #endif
316     { PROV_NAMES_GMAC, "provider=default", ossl_gmac_functions },
317     { PROV_NAMES_HMAC, "provider=default", ossl_hmac_functions },
318     { PROV_NAMES_KMAC_128, "provider=default", ossl_kmac128_functions },
319     { PROV_NAMES_KMAC_256, "provider=default", ossl_kmac256_functions },
320 #ifndef OPENSSL_NO_SIPHASH
321     { PROV_NAMES_SIPHASH, "provider=default", ossl_siphash_functions },
322 #endif
323 #ifndef OPENSSL_NO_POLY1305
324     { PROV_NAMES_POLY1305, "provider=default", ossl_poly1305_functions },
325 #endif
326     { NULL, NULL, NULL }
327 };
328 
329 static const OSSL_ALGORITHM deflt_kdfs[] = {
330     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_hkdf_functions },
331     { PROV_NAMES_TLS1_3_KDF, "provider=default",
332       ossl_kdf_tls1_3_kdf_functions },
333     { PROV_NAMES_SSKDF, "provider=default", ossl_kdf_sskdf_functions },
334     { PROV_NAMES_PBKDF2, "provider=default", ossl_kdf_pbkdf2_functions },
335     { PROV_NAMES_PKCS12KDF, "provider=default", ossl_kdf_pkcs12_functions },
336     { PROV_NAMES_SSHKDF, "provider=default", ossl_kdf_sshkdf_functions },
337     { PROV_NAMES_X963KDF, "provider=default", ossl_kdf_x963_kdf_functions },
338     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_tls1_prf_functions },
339     { PROV_NAMES_KBKDF, "provider=default", ossl_kdf_kbkdf_functions },
340     { PROV_NAMES_X942KDF_ASN1, "provider=default", ossl_kdf_x942_kdf_functions },
341 #ifndef OPENSSL_NO_SCRYPT
342     { PROV_NAMES_SCRYPT, "provider=default", ossl_kdf_scrypt_functions },
343 #endif
344     { PROV_NAMES_KRB5KDF, "provider=default", ossl_kdf_krb5kdf_functions },
345     { NULL, NULL, NULL }
346 };
347 
348 static const OSSL_ALGORITHM deflt_keyexch[] = {
349 #ifndef OPENSSL_NO_DH
350     { PROV_NAMES_DH, "provider=default", ossl_dh_keyexch_functions },
351 #endif
352 #ifndef OPENSSL_NO_EC
353     { PROV_NAMES_ECDH, "provider=default", ossl_ecdh_keyexch_functions },
354     { PROV_NAMES_X25519, "provider=default", ossl_x25519_keyexch_functions },
355     { PROV_NAMES_X448, "provider=default", ossl_x448_keyexch_functions },
356 #endif
357     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_tls1_prf_keyexch_functions },
358     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_hkdf_keyexch_functions },
359     { PROV_NAMES_SCRYPT, "provider=default",
360       ossl_kdf_scrypt_keyexch_functions },
361     { NULL, NULL, NULL }
362 };
363 
364 static const OSSL_ALGORITHM deflt_rands[] = {
365     { PROV_NAMES_CTR_DRBG, "provider=default", ossl_drbg_ctr_functions },
366     { PROV_NAMES_HASH_DRBG, "provider=default", ossl_drbg_hash_functions },
367     { PROV_NAMES_HMAC_DRBG, "provider=default", ossl_drbg_ossl_hmac_functions },
368     { PROV_NAMES_SEED_SRC, "provider=default", ossl_seed_src_functions },
369     { PROV_NAMES_TEST_RAND, "provider=default", ossl_test_rng_functions },
370     { NULL, NULL, NULL }
371 };
372 
373 static const OSSL_ALGORITHM deflt_signature[] = {
374 #ifndef OPENSSL_NO_DSA
375     { PROV_NAMES_DSA, "provider=default", ossl_dsa_signature_functions },
376 #endif
377     { PROV_NAMES_RSA, "provider=default", ossl_rsa_signature_functions },
378 #ifndef OPENSSL_NO_EC
379     { PROV_NAMES_ED25519, "provider=default", ossl_ed25519_signature_functions },
380     { PROV_NAMES_ED448, "provider=default", ossl_ed448_signature_functions },
381     { PROV_NAMES_ECDSA, "provider=default", ossl_ecdsa_signature_functions },
382 # ifndef OPENSSL_NO_SM2
383     { PROV_NAMES_SM2, "provider=default", ossl_sm2_signature_functions },
384 # endif
385 #endif
386     { PROV_NAMES_HMAC, "provider=default", ossl_mac_legacy_hmac_signature_functions },
387     { PROV_NAMES_SIPHASH, "provider=default",
388       ossl_mac_legacy_siphash_signature_functions },
389 #ifndef OPENSSL_NO_POLY1305
390     { PROV_NAMES_POLY1305, "provider=default",
391       ossl_mac_legacy_poly1305_signature_functions },
392 #endif
393 #ifndef OPENSSL_NO_CMAC
394     { PROV_NAMES_CMAC, "provider=default", ossl_mac_legacy_cmac_signature_functions },
395 #endif
396     { NULL, NULL, NULL }
397 };
398 
399 static const OSSL_ALGORITHM deflt_asym_cipher[] = {
400     { PROV_NAMES_RSA, "provider=default", ossl_rsa_asym_cipher_functions },
401 #ifndef OPENSSL_NO_SM2
402     { PROV_NAMES_SM2, "provider=default", ossl_sm2_asym_cipher_functions },
403 #endif
404     { NULL, NULL, NULL }
405 };
406 
407 static const OSSL_ALGORITHM deflt_asym_kem[] = {
408     { PROV_NAMES_RSA, "provider=default", ossl_rsa_asym_kem_functions },
409     { NULL, NULL, NULL }
410 };
411 
412 static const OSSL_ALGORITHM deflt_keymgmt[] = {
413 #ifndef OPENSSL_NO_DH
414     { PROV_NAMES_DH, "provider=default", ossl_dh_keymgmt_functions,
415       PROV_DESCS_DH },
416     { PROV_NAMES_DHX, "provider=default", ossl_dhx_keymgmt_functions,
417       PROV_DESCS_DHX },
418 #endif
419 #ifndef OPENSSL_NO_DSA
420     { PROV_NAMES_DSA, "provider=default", ossl_dsa_keymgmt_functions,
421       PROV_DESCS_DSA},
422 #endif
423     { PROV_NAMES_RSA, "provider=default", ossl_rsa_keymgmt_functions,
424       PROV_DESCS_RSA },
425     { PROV_NAMES_RSA_PSS, "provider=default", ossl_rsapss_keymgmt_functions,
426       PROV_DESCS_RSA_PSS },
427 #ifndef OPENSSL_NO_EC
428     { PROV_NAMES_EC, "provider=default", ossl_ec_keymgmt_functions,
429       PROV_DESCS_EC },
430     { PROV_NAMES_X25519, "provider=default", ossl_x25519_keymgmt_functions,
431       PROV_DESCS_X25519 },
432     { PROV_NAMES_X448, "provider=default", ossl_x448_keymgmt_functions,
433       PROV_DESCS_X448 },
434     { PROV_NAMES_ED25519, "provider=default", ossl_ed25519_keymgmt_functions,
435       PROV_DESCS_ED25519 },
436     { PROV_NAMES_ED448, "provider=default", ossl_ed448_keymgmt_functions,
437       PROV_DESCS_ED448 },
438 #endif
439     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_keymgmt_functions,
440       PROV_DESCS_TLS1_PRF_SIGN },
441     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_keymgmt_functions,
442       PROV_DESCS_HKDF_SIGN },
443     { PROV_NAMES_SCRYPT, "provider=default", ossl_kdf_keymgmt_functions,
444       PROV_DESCS_SCRYPT_SIGN },
445     { PROV_NAMES_HMAC, "provider=default", ossl_mac_legacy_keymgmt_functions,
446       PROV_DESCS_HMAC_SIGN },
447     { PROV_NAMES_SIPHASH, "provider=default", ossl_mac_legacy_keymgmt_functions,
448       PROV_DESCS_SIPHASH_SIGN },
449 #ifndef OPENSSL_NO_POLY1305
450     { PROV_NAMES_POLY1305, "provider=default", ossl_mac_legacy_keymgmt_functions,
451       PROV_DESCS_POLY1305_SIGN },
452 #endif
453 #ifndef OPENSSL_NO_CMAC
454     { PROV_NAMES_CMAC, "provider=default", ossl_cmac_legacy_keymgmt_functions,
455       PROV_DESCS_CMAC_SIGN },
456 #endif
457 #ifndef OPENSSL_NO_SM2
458     { PROV_NAMES_SM2, "provider=default", ossl_sm2_keymgmt_functions,
459       PROV_DESCS_SM2 },
460 #endif
461     { NULL, NULL, NULL }
462 };
463 
464 static const OSSL_ALGORITHM deflt_encoder[] = {
465 #define ENCODER_PROVIDER "default"
466 #include "encoders.inc"
467     { NULL, NULL, NULL }
468 #undef ENCODER_PROVIDER
469 };
470 
471 static const OSSL_ALGORITHM deflt_decoder[] = {
472 #define DECODER_PROVIDER "default"
473 #include "decoders.inc"
474     { NULL, NULL, NULL }
475 #undef DECODER_PROVIDER
476 };
477 
478 static const OSSL_ALGORITHM deflt_store[] = {
479 #define STORE(name, _fips, func_table)                           \
480     { name, "provider=default,fips=" _fips, (func_table) },
481 
482 #include "stores.inc"
483     { NULL, NULL, NULL }
484 #undef STORE
485 };
486 
487 static const OSSL_ALGORITHM *deflt_query(void *provctx, int operation_id,
488                                          int *no_cache)
489 {
490     *no_cache = 0;
491     switch (operation_id) {
492     case OSSL_OP_DIGEST:
493         return deflt_digests;
494     case OSSL_OP_CIPHER:
495         return exported_ciphers;
496     case OSSL_OP_MAC:
497         return deflt_macs;
498     case OSSL_OP_KDF:
499         return deflt_kdfs;
500     case OSSL_OP_RAND:
501         return deflt_rands;
502     case OSSL_OP_KEYMGMT:
503         return deflt_keymgmt;
504     case OSSL_OP_KEYEXCH:
505         return deflt_keyexch;
506     case OSSL_OP_SIGNATURE:
507         return deflt_signature;
508     case OSSL_OP_ASYM_CIPHER:
509         return deflt_asym_cipher;
510     case OSSL_OP_KEM:
511         return deflt_asym_kem;
512     case OSSL_OP_ENCODER:
513         return deflt_encoder;
514     case OSSL_OP_DECODER:
515         return deflt_decoder;
516     case OSSL_OP_STORE:
517         return deflt_store;
518     }
519     return NULL;
520 }
521 
522 
523 static void deflt_teardown(void *provctx)
524 {
525     BIO_meth_free(ossl_prov_ctx_get0_core_bio_method(provctx));
526     ossl_prov_ctx_free(provctx);
527 }
528 
529 /* Functions we provide to the core */
530 static const OSSL_DISPATCH deflt_dispatch_table[] = {
531     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))deflt_teardown },
532     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))deflt_gettable_params },
533     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
534     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
535     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
536       (void (*)(void))ossl_prov_get_capabilities },
537     { 0, NULL }
538 };
539 
540 OSSL_provider_init_fn ossl_default_provider_init;
541 
542 int ossl_default_provider_init(const OSSL_CORE_HANDLE *handle,
543                                const OSSL_DISPATCH *in,
544                                const OSSL_DISPATCH **out,
545                                void **provctx)
546 {
547     OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
548     BIO_METHOD *corebiometh;
549 
550     if (!ossl_prov_bio_from_dispatch(in)
551             || !ossl_prov_seeding_from_dispatch(in))
552         return 0;
553     for (; in->function_id != 0; in++) {
554         switch (in->function_id) {
555         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
556             c_gettable_params = OSSL_FUNC_core_gettable_params(in);
557             break;
558         case OSSL_FUNC_CORE_GET_PARAMS:
559             c_get_params = OSSL_FUNC_core_get_params(in);
560             break;
561         case OSSL_FUNC_CORE_GET_LIBCTX:
562             c_get_libctx = OSSL_FUNC_core_get_libctx(in);
563             break;
564         default:
565             /* Just ignore anything we don't understand */
566             break;
567         }
568     }
569 
570     if (c_get_libctx == NULL)
571         return 0;
572 
573     /*
574      * We want to make sure that all calls from this provider that requires
575      * a library context use the same context as the one used to call our
576      * functions.  We do that by passing it along in the provider context.
577      *
578      * This only works for built-in providers.  Most providers should
579      * create their own library context.
580      */
581     if ((*provctx = ossl_prov_ctx_new()) == NULL
582             || (corebiometh = ossl_bio_prov_init_bio_method()) == NULL) {
583         ossl_prov_ctx_free(*provctx);
584         *provctx = NULL;
585         return 0;
586     }
587     ossl_prov_ctx_set0_libctx(*provctx,
588                                        (OSSL_LIB_CTX *)c_get_libctx(handle));
589     ossl_prov_ctx_set0_handle(*provctx, handle);
590     ossl_prov_ctx_set0_core_bio_method(*provctx, corebiometh);
591 
592     *out = deflt_dispatch_table;
593     ossl_prov_cache_exported_algorithms(deflt_ciphers, exported_ciphers);
594 
595     return 1;
596 }
597