providers/defltprov.c

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