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 <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 
deflt_gettable_params(void * provctx)50 static const OSSL_PARAM *deflt_gettable_params(void *provctx)
51 {
52     return deflt_param_types;
53 }
54 
deflt_get_params(void * provctx,OSSL_PARAM params[])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     { NULL, NULL, NULL }
152 };
153 
154 static const OSSL_ALGORITHM_CAPABLE deflt_ciphers[] = {
155     ALG(PROV_NAMES_NULL, ossl_null_functions),
156     ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
157     ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
158     ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
159     ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
160     ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
161     ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
162     ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
163     ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
164     ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
165     ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
166     ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
167     ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
168     ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
169     ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
170     ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
171     ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
172     ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
173     ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
174     ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
175     ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
176     ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
177     ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
178     ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
179     ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
180     ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
181     ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
182 #ifndef OPENSSL_NO_OCB
183     ALG(PROV_NAMES_AES_256_OCB, ossl_aes256ocb_functions),
184     ALG(PROV_NAMES_AES_192_OCB, ossl_aes192ocb_functions),
185     ALG(PROV_NAMES_AES_128_OCB, ossl_aes128ocb_functions),
186 #endif /* OPENSSL_NO_OCB */
187 #ifndef OPENSSL_NO_SIV
188     ALG(PROV_NAMES_AES_128_SIV, ossl_aes128siv_functions),
189     ALG(PROV_NAMES_AES_192_SIV, ossl_aes192siv_functions),
190     ALG(PROV_NAMES_AES_256_SIV, ossl_aes256siv_functions),
191 #endif /* OPENSSL_NO_SIV */
192     ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
193     ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
194     ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
195     ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
196     ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
197     ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
198     ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
199     ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
200     ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
201     ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
202     ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
203     ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
204     ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
205     ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
206     ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
207     ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
208     ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
209     ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
210     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
211          ossl_cipher_capable_aes_cbc_hmac_sha1),
212     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
213          ossl_cipher_capable_aes_cbc_hmac_sha1),
214     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
215         ossl_cipher_capable_aes_cbc_hmac_sha256),
216     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
217          ossl_cipher_capable_aes_cbc_hmac_sha256),
218 #ifndef OPENSSL_NO_ARIA
219     ALG(PROV_NAMES_ARIA_256_GCM, ossl_aria256gcm_functions),
220     ALG(PROV_NAMES_ARIA_192_GCM, ossl_aria192gcm_functions),
221     ALG(PROV_NAMES_ARIA_128_GCM, ossl_aria128gcm_functions),
222     ALG(PROV_NAMES_ARIA_256_CCM, ossl_aria256ccm_functions),
223     ALG(PROV_NAMES_ARIA_192_CCM, ossl_aria192ccm_functions),
224     ALG(PROV_NAMES_ARIA_128_CCM, ossl_aria128ccm_functions),
225     ALG(PROV_NAMES_ARIA_256_ECB, ossl_aria256ecb_functions),
226     ALG(PROV_NAMES_ARIA_192_ECB, ossl_aria192ecb_functions),
227     ALG(PROV_NAMES_ARIA_128_ECB, ossl_aria128ecb_functions),
228     ALG(PROV_NAMES_ARIA_256_CBC, ossl_aria256cbc_functions),
229     ALG(PROV_NAMES_ARIA_192_CBC, ossl_aria192cbc_functions),
230     ALG(PROV_NAMES_ARIA_128_CBC, ossl_aria128cbc_functions),
231     ALG(PROV_NAMES_ARIA_256_OFB, ossl_aria256ofb_functions),
232     ALG(PROV_NAMES_ARIA_192_OFB, ossl_aria192ofb_functions),
233     ALG(PROV_NAMES_ARIA_128_OFB, ossl_aria128ofb_functions),
234     ALG(PROV_NAMES_ARIA_256_CFB, ossl_aria256cfb_functions),
235     ALG(PROV_NAMES_ARIA_192_CFB, ossl_aria192cfb_functions),
236     ALG(PROV_NAMES_ARIA_128_CFB, ossl_aria128cfb_functions),
237     ALG(PROV_NAMES_ARIA_256_CFB1, ossl_aria256cfb1_functions),
238     ALG(PROV_NAMES_ARIA_192_CFB1, ossl_aria192cfb1_functions),
239     ALG(PROV_NAMES_ARIA_128_CFB1, ossl_aria128cfb1_functions),
240     ALG(PROV_NAMES_ARIA_256_CFB8, ossl_aria256cfb8_functions),
241     ALG(PROV_NAMES_ARIA_192_CFB8, ossl_aria192cfb8_functions),
242     ALG(PROV_NAMES_ARIA_128_CFB8, ossl_aria128cfb8_functions),
243     ALG(PROV_NAMES_ARIA_256_CTR, ossl_aria256ctr_functions),
244     ALG(PROV_NAMES_ARIA_192_CTR, ossl_aria192ctr_functions),
245     ALG(PROV_NAMES_ARIA_128_CTR, ossl_aria128ctr_functions),
246 #endif /* OPENSSL_NO_ARIA */
247 #ifndef OPENSSL_NO_CAMELLIA
248     ALG(PROV_NAMES_CAMELLIA_256_ECB, ossl_camellia256ecb_functions),
249     ALG(PROV_NAMES_CAMELLIA_192_ECB, ossl_camellia192ecb_functions),
250     ALG(PROV_NAMES_CAMELLIA_128_ECB, ossl_camellia128ecb_functions),
251     ALG(PROV_NAMES_CAMELLIA_256_CBC, ossl_camellia256cbc_functions),
252     ALG(PROV_NAMES_CAMELLIA_192_CBC, ossl_camellia192cbc_functions),
253     ALG(PROV_NAMES_CAMELLIA_128_CBC, ossl_camellia128cbc_functions),
254     ALG(PROV_NAMES_CAMELLIA_128_CBC_CTS, ossl_camellia128cbc_cts_functions),
255     ALG(PROV_NAMES_CAMELLIA_192_CBC_CTS, ossl_camellia192cbc_cts_functions),
256     ALG(PROV_NAMES_CAMELLIA_256_CBC_CTS, ossl_camellia256cbc_cts_functions),
257     ALG(PROV_NAMES_CAMELLIA_256_OFB, ossl_camellia256ofb_functions),
258     ALG(PROV_NAMES_CAMELLIA_192_OFB, ossl_camellia192ofb_functions),
259     ALG(PROV_NAMES_CAMELLIA_128_OFB, ossl_camellia128ofb_functions),
260     ALG(PROV_NAMES_CAMELLIA_256_CFB, ossl_camellia256cfb_functions),
261     ALG(PROV_NAMES_CAMELLIA_192_CFB, ossl_camellia192cfb_functions),
262     ALG(PROV_NAMES_CAMELLIA_128_CFB, ossl_camellia128cfb_functions),
263     ALG(PROV_NAMES_CAMELLIA_256_CFB1, ossl_camellia256cfb1_functions),
264     ALG(PROV_NAMES_CAMELLIA_192_CFB1, ossl_camellia192cfb1_functions),
265     ALG(PROV_NAMES_CAMELLIA_128_CFB1, ossl_camellia128cfb1_functions),
266     ALG(PROV_NAMES_CAMELLIA_256_CFB8, ossl_camellia256cfb8_functions),
267     ALG(PROV_NAMES_CAMELLIA_192_CFB8, ossl_camellia192cfb8_functions),
268     ALG(PROV_NAMES_CAMELLIA_128_CFB8, ossl_camellia128cfb8_functions),
269     ALG(PROV_NAMES_CAMELLIA_256_CTR, ossl_camellia256ctr_functions),
270     ALG(PROV_NAMES_CAMELLIA_192_CTR, ossl_camellia192ctr_functions),
271     ALG(PROV_NAMES_CAMELLIA_128_CTR, ossl_camellia128ctr_functions),
272 #endif /* OPENSSL_NO_CAMELLIA */
273 #ifndef OPENSSL_NO_DES
274     ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
275     ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
276     ALG(PROV_NAMES_DES_EDE3_OFB, ossl_tdes_ede3_ofb_functions),
277     ALG(PROV_NAMES_DES_EDE3_CFB, ossl_tdes_ede3_cfb_functions),
278     ALG(PROV_NAMES_DES_EDE3_CFB8, ossl_tdes_ede3_cfb8_functions),
279     ALG(PROV_NAMES_DES_EDE3_CFB1, ossl_tdes_ede3_cfb1_functions),
280     ALG(PROV_NAMES_DES3_WRAP, ossl_tdes_wrap_cbc_functions),
281     ALG(PROV_NAMES_DES_EDE_ECB, ossl_tdes_ede2_ecb_functions),
282     ALG(PROV_NAMES_DES_EDE_CBC, ossl_tdes_ede2_cbc_functions),
283     ALG(PROV_NAMES_DES_EDE_OFB, ossl_tdes_ede2_ofb_functions),
284     ALG(PROV_NAMES_DES_EDE_CFB, ossl_tdes_ede2_cfb_functions),
285 #endif /* OPENSSL_NO_DES */
286 #ifndef OPENSSL_NO_SM4
287     ALG(PROV_NAMES_SM4_ECB, ossl_sm4128ecb_functions),
288     ALG(PROV_NAMES_SM4_CBC, ossl_sm4128cbc_functions),
289     ALG(PROV_NAMES_SM4_CTR, ossl_sm4128ctr_functions),
290     ALG(PROV_NAMES_SM4_OFB, ossl_sm4128ofb128_functions),
291     ALG(PROV_NAMES_SM4_CFB, ossl_sm4128cfb128_functions),
292 #endif /* OPENSSL_NO_SM4 */
293 #ifndef OPENSSL_NO_CHACHA
294     ALG(PROV_NAMES_ChaCha20, ossl_chacha20_functions),
295 # ifndef OPENSSL_NO_POLY1305
296     ALG(PROV_NAMES_ChaCha20_Poly1305, ossl_chacha20_ossl_poly1305_functions),
297 # endif /* OPENSSL_NO_POLY1305 */
298 #endif /* OPENSSL_NO_CHACHA */
299     { { NULL, NULL, NULL }, NULL }
300 };
301 static OSSL_ALGORITHM exported_ciphers[OSSL_NELEM(deflt_ciphers)];
302 
303 static const OSSL_ALGORITHM deflt_macs[] = {
304 #ifndef OPENSSL_NO_BLAKE2
305     { PROV_NAMES_BLAKE2BMAC, "provider=default", ossl_blake2bmac_functions },
306     { PROV_NAMES_BLAKE2SMAC, "provider=default", ossl_blake2smac_functions },
307 #endif
308 #ifndef OPENSSL_NO_CMAC
309     { PROV_NAMES_CMAC, "provider=default", ossl_cmac_functions },
310 #endif
311     { PROV_NAMES_GMAC, "provider=default", ossl_gmac_functions },
312     { PROV_NAMES_HMAC, "provider=default", ossl_hmac_functions },
313     { PROV_NAMES_KMAC_128, "provider=default", ossl_kmac128_functions },
314     { PROV_NAMES_KMAC_256, "provider=default", ossl_kmac256_functions },
315 #ifndef OPENSSL_NO_SIPHASH
316     { PROV_NAMES_SIPHASH, "provider=default", ossl_siphash_functions },
317 #endif
318 #ifndef OPENSSL_NO_POLY1305
319     { PROV_NAMES_POLY1305, "provider=default", ossl_poly1305_functions },
320 #endif
321     { NULL, NULL, NULL }
322 };
323 
324 static const OSSL_ALGORITHM deflt_kdfs[] = {
325     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_hkdf_functions },
326     { PROV_NAMES_TLS1_3_KDF, "provider=default",
327       ossl_kdf_tls1_3_kdf_functions },
328     { PROV_NAMES_SSKDF, "provider=default", ossl_kdf_sskdf_functions },
329     { PROV_NAMES_PBKDF2, "provider=default", ossl_kdf_pbkdf2_functions },
330     { PROV_NAMES_PKCS12KDF, "provider=default", ossl_kdf_pkcs12_functions },
331     { PROV_NAMES_SSHKDF, "provider=default", ossl_kdf_sshkdf_functions },
332     { PROV_NAMES_X963KDF, "provider=default", ossl_kdf_x963_kdf_functions },
333     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_tls1_prf_functions },
334     { PROV_NAMES_KBKDF, "provider=default", ossl_kdf_kbkdf_functions },
335     { PROV_NAMES_X942KDF_ASN1, "provider=default", ossl_kdf_x942_kdf_functions },
336 #ifndef OPENSSL_NO_SCRYPT
337     { PROV_NAMES_SCRYPT, "provider=default", ossl_kdf_scrypt_functions },
338 #endif
339     { PROV_NAMES_KRB5KDF, "provider=default", ossl_kdf_krb5kdf_functions },
340     { NULL, NULL, NULL }
341 };
342 
343 static const OSSL_ALGORITHM deflt_keyexch[] = {
344 #ifndef OPENSSL_NO_DH
345     { PROV_NAMES_DH, "provider=default", ossl_dh_keyexch_functions },
346 #endif
347 #ifndef OPENSSL_NO_EC
348     { PROV_NAMES_ECDH, "provider=default", ossl_ecdh_keyexch_functions },
349     { PROV_NAMES_X25519, "provider=default", ossl_x25519_keyexch_functions },
350     { PROV_NAMES_X448, "provider=default", ossl_x448_keyexch_functions },
351 #endif
352     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_tls1_prf_keyexch_functions },
353     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_hkdf_keyexch_functions },
354     { PROV_NAMES_SCRYPT, "provider=default",
355       ossl_kdf_scrypt_keyexch_functions },
356     { NULL, NULL, NULL }
357 };
358 
359 static const OSSL_ALGORITHM deflt_rands[] = {
360     { PROV_NAMES_CTR_DRBG, "provider=default", ossl_drbg_ctr_functions },
361     { PROV_NAMES_HASH_DRBG, "provider=default", ossl_drbg_hash_functions },
362     { PROV_NAMES_HMAC_DRBG, "provider=default", ossl_drbg_ossl_hmac_functions },
363     { PROV_NAMES_SEED_SRC, "provider=default", ossl_seed_src_functions },
364     { PROV_NAMES_TEST_RAND, "provider=default", ossl_test_rng_functions },
365     { NULL, NULL, NULL }
366 };
367 
368 static const OSSL_ALGORITHM deflt_signature[] = {
369 #ifndef OPENSSL_NO_DSA
370     { PROV_NAMES_DSA, "provider=default", ossl_dsa_signature_functions },
371 #endif
372     { PROV_NAMES_RSA, "provider=default", ossl_rsa_signature_functions },
373 #ifndef OPENSSL_NO_EC
374     { PROV_NAMES_ED25519, "provider=default", ossl_ed25519_signature_functions },
375     { PROV_NAMES_ED448, "provider=default", ossl_ed448_signature_functions },
376     { PROV_NAMES_ECDSA, "provider=default", ossl_ecdsa_signature_functions },
377 # ifndef OPENSSL_NO_SM2
378     { PROV_NAMES_SM2, "provider=default", ossl_sm2_signature_functions },
379 # endif
380 #endif
381     { PROV_NAMES_HMAC, "provider=default", ossl_mac_legacy_hmac_signature_functions },
382     { PROV_NAMES_SIPHASH, "provider=default",
383       ossl_mac_legacy_siphash_signature_functions },
384 #ifndef OPENSSL_NO_POLY1305
385     { PROV_NAMES_POLY1305, "provider=default",
386       ossl_mac_legacy_poly1305_signature_functions },
387 #endif
388 #ifndef OPENSSL_NO_CMAC
389     { PROV_NAMES_CMAC, "provider=default", ossl_mac_legacy_cmac_signature_functions },
390 #endif
391     { NULL, NULL, NULL }
392 };
393 
394 static const OSSL_ALGORITHM deflt_asym_cipher[] = {
395     { PROV_NAMES_RSA, "provider=default", ossl_rsa_asym_cipher_functions },
396 #ifndef OPENSSL_NO_SM2
397     { PROV_NAMES_SM2, "provider=default", ossl_sm2_asym_cipher_functions },
398 #endif
399     { NULL, NULL, NULL }
400 };
401 
402 static const OSSL_ALGORITHM deflt_asym_kem[] = {
403     { PROV_NAMES_RSA, "provider=default", ossl_rsa_asym_kem_functions },
404     { NULL, NULL, NULL }
405 };
406 
407 static const OSSL_ALGORITHM deflt_keymgmt[] = {
408 #ifndef OPENSSL_NO_DH
409     { PROV_NAMES_DH, "provider=default", ossl_dh_keymgmt_functions,
410       PROV_DESCS_DH },
411     { PROV_NAMES_DHX, "provider=default", ossl_dhx_keymgmt_functions,
412       PROV_DESCS_DHX },
413 #endif
414 #ifndef OPENSSL_NO_DSA
415     { PROV_NAMES_DSA, "provider=default", ossl_dsa_keymgmt_functions,
416       PROV_DESCS_DSA},
417 #endif
418     { PROV_NAMES_RSA, "provider=default", ossl_rsa_keymgmt_functions,
419       PROV_DESCS_RSA },
420     { PROV_NAMES_RSA_PSS, "provider=default", ossl_rsapss_keymgmt_functions,
421       PROV_DESCS_RSA_PSS },
422 #ifndef OPENSSL_NO_EC
423     { PROV_NAMES_EC, "provider=default", ossl_ec_keymgmt_functions,
424       PROV_DESCS_EC },
425     { PROV_NAMES_X25519, "provider=default", ossl_x25519_keymgmt_functions,
426       PROV_DESCS_X25519 },
427     { PROV_NAMES_X448, "provider=default", ossl_x448_keymgmt_functions,
428       PROV_DESCS_X448 },
429     { PROV_NAMES_ED25519, "provider=default", ossl_ed25519_keymgmt_functions,
430       PROV_DESCS_ED25519 },
431     { PROV_NAMES_ED448, "provider=default", ossl_ed448_keymgmt_functions,
432       PROV_DESCS_ED448 },
433 #endif
434     { PROV_NAMES_TLS1_PRF, "provider=default", ossl_kdf_keymgmt_functions,
435       PROV_DESCS_TLS1_PRF_SIGN },
436     { PROV_NAMES_HKDF, "provider=default", ossl_kdf_keymgmt_functions,
437       PROV_DESCS_HKDF_SIGN },
438     { PROV_NAMES_SCRYPT, "provider=default", ossl_kdf_keymgmt_functions,
439       PROV_DESCS_SCRYPT_SIGN },
440     { PROV_NAMES_HMAC, "provider=default", ossl_mac_legacy_keymgmt_functions,
441       PROV_DESCS_HMAC_SIGN },
442     { PROV_NAMES_SIPHASH, "provider=default", ossl_mac_legacy_keymgmt_functions,
443       PROV_DESCS_SIPHASH_SIGN },
444 #ifndef OPENSSL_NO_POLY1305
445     { PROV_NAMES_POLY1305, "provider=default", ossl_mac_legacy_keymgmt_functions,
446       PROV_DESCS_POLY1305_SIGN },
447 #endif
448 #ifndef OPENSSL_NO_CMAC
449     { PROV_NAMES_CMAC, "provider=default", ossl_cmac_legacy_keymgmt_functions,
450       PROV_DESCS_CMAC_SIGN },
451 #endif
452 #ifndef OPENSSL_NO_SM2
453     { PROV_NAMES_SM2, "provider=default", ossl_sm2_keymgmt_functions,
454       PROV_DESCS_SM2 },
455 #endif
456     { NULL, NULL, NULL }
457 };
458 
459 static const OSSL_ALGORITHM deflt_encoder[] = {
460 #define ENCODER_PROVIDER "default"
461 #include "encoders.inc"
462     { NULL, NULL, NULL }
463 #undef ENCODER_PROVIDER
464 };
465 
466 static const OSSL_ALGORITHM deflt_decoder[] = {
467 #define DECODER_PROVIDER "default"
468 #include "decoders.inc"
469     { NULL, NULL, NULL }
470 #undef DECODER_PROVIDER
471 };
472 
473 static const OSSL_ALGORITHM deflt_store[] = {
474 #define STORE(name, _fips, func_table)                           \
475     { name, "provider=default,fips=" _fips, (func_table) },
476 
477 #include "stores.inc"
478     { NULL, NULL, NULL }
479 #undef STORE
480 };
481 
deflt_query(void * provctx,int operation_id,int * no_cache)482 static const OSSL_ALGORITHM *deflt_query(void *provctx, int operation_id,
483                                          int *no_cache)
484 {
485     *no_cache = 0;
486     switch (operation_id) {
487     case OSSL_OP_DIGEST:
488         return deflt_digests;
489     case OSSL_OP_CIPHER:
490         return exported_ciphers;
491     case OSSL_OP_MAC:
492         return deflt_macs;
493     case OSSL_OP_KDF:
494         return deflt_kdfs;
495     case OSSL_OP_RAND:
496         return deflt_rands;
497     case OSSL_OP_KEYMGMT:
498         return deflt_keymgmt;
499     case OSSL_OP_KEYEXCH:
500         return deflt_keyexch;
501     case OSSL_OP_SIGNATURE:
502         return deflt_signature;
503     case OSSL_OP_ASYM_CIPHER:
504         return deflt_asym_cipher;
505     case OSSL_OP_KEM:
506         return deflt_asym_kem;
507     case OSSL_OP_ENCODER:
508         return deflt_encoder;
509     case OSSL_OP_DECODER:
510         return deflt_decoder;
511     case OSSL_OP_STORE:
512         return deflt_store;
513     }
514     return NULL;
515 }
516 
517 
deflt_teardown(void * provctx)518 static void deflt_teardown(void *provctx)
519 {
520     BIO_meth_free(ossl_prov_ctx_get0_core_bio_method(provctx));
521     ossl_prov_ctx_free(provctx);
522 }
523 
524 /* Functions we provide to the core */
525 static const OSSL_DISPATCH deflt_dispatch_table[] = {
526     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))deflt_teardown },
527     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))deflt_gettable_params },
528     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
529     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
530     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
531       (void (*)(void))ossl_prov_get_capabilities },
532     { 0, NULL }
533 };
534 
535 OSSL_provider_init_fn ossl_default_provider_init;
536 
ossl_default_provider_init(const OSSL_CORE_HANDLE * handle,const OSSL_DISPATCH * in,const OSSL_DISPATCH ** out,void ** provctx)537 int ossl_default_provider_init(const OSSL_CORE_HANDLE *handle,
538                                const OSSL_DISPATCH *in,
539                                const OSSL_DISPATCH **out,
540                                void **provctx)
541 {
542     OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
543     BIO_METHOD *corebiometh;
544 
545     if (!ossl_prov_bio_from_dispatch(in)
546             || !ossl_prov_seeding_from_dispatch(in))
547         return 0;
548     for (; in->function_id != 0; in++) {
549         switch (in->function_id) {
550         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
551             c_gettable_params = OSSL_FUNC_core_gettable_params(in);
552             break;
553         case OSSL_FUNC_CORE_GET_PARAMS:
554             c_get_params = OSSL_FUNC_core_get_params(in);
555             break;
556         case OSSL_FUNC_CORE_GET_LIBCTX:
557             c_get_libctx = OSSL_FUNC_core_get_libctx(in);
558             break;
559         default:
560             /* Just ignore anything we don't understand */
561             break;
562         }
563     }
564 
565     if (c_get_libctx == NULL)
566         return 0;
567 
568     /*
569      * We want to make sure that all calls from this provider that requires
570      * a library context use the same context as the one used to call our
571      * functions.  We do that by passing it along in the provider context.
572      *
573      * This only works for built-in providers.  Most providers should
574      * create their own library context.
575      */
576     if ((*provctx = ossl_prov_ctx_new()) == NULL
577             || (corebiometh = ossl_bio_prov_init_bio_method()) == NULL) {
578         ossl_prov_ctx_free(*provctx);
579         *provctx = NULL;
580         return 0;
581     }
582     ossl_prov_ctx_set0_libctx(*provctx,
583                                        (OSSL_LIB_CTX *)c_get_libctx(handle));
584     ossl_prov_ctx_set0_handle(*provctx, handle);
585     ossl_prov_ctx_set0_core_bio_method(*provctx, corebiometh);
586 
587     *out = deflt_dispatch_table;
588     ossl_prov_cache_exported_algorithms(deflt_ciphers, exported_ciphers);
589 
590     return 1;
591 }
592