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     PROV_CTX_free(provctx);
 556 }
 557
 558 /* Functions we provide to the core */
 559 static const OSSL_DISPATCH deflt_dispatch_table[] = {
 560     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))deflt_teardown },
 561     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))deflt_gettable_params },
 562     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
 563     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
 564     { 0, NULL }
 565 };
 566
 567 OSSL_provider_init_fn ossl_default_provider_init;
 568
 569 int ossl_default_provider_init(const OSSL_PROVIDER *provider,
 570                                const OSSL_DISPATCH *in,
 571                                const OSSL_DISPATCH **out,
 572                                void **provctx)
 573 {
 574     OSSL_core_get_library_context_fn *c_get_libctx = NULL;
 575
 576     if (!ossl_prov_bio_from_dispatch(in))
 577         return 0;
 578     for (; in->function_id != 0; in++) {
 579         switch (in->function_id) {
 580         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 581             c_gettable_params = OSSL_get_core_gettable_params(in);
 582             break;
 583         case OSSL_FUNC_CORE_GET_PARAMS:
 584             c_get_params = OSSL_get_core_get_params(in);
 585             break;
 586         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 587             c_get_libctx = OSSL_get_core_get_library_context(in);
 588             break;
 589         default:
 590             /* Just ignore anything we don't understand */
 591             break;
 592         }
 593     }
 594
 595     if (c_get_libctx == NULL)
 596         return 0;
 597
 598     /*
 599      * We want to make sure that all calls from this provider that requires
 600      * a library context use the same context as the one used to call our
 601      * functions.  We do that by passing it along as the provider context.
 602      *
 603      * This is special for built-in providers.  External providers should
 604      * create their own library context.
 605      */
 606     if ((*provctx = PROV_CTX_new()) == NULL)
 607         return 0;
 608     PROV_CTX_set0_library_context(*provctx, c_get_libctx(provider));
 609     PROV_CTX_set0_provider(*provctx, provider);
 610
 611     *out = deflt_dispatch_table;
 612
 613     return 1;
 614 }