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_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/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_FUNC_provider_gettable_params_fn deflt_gettable_params;
  29 static OSSL_FUNC_provider_get_params_fn deflt_get_params;
  30 static OSSL_FUNC_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_FUNC_core_gettable_params_fn *c_gettable_params = NULL;
  37 static OSSL_FUNC_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_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
  45     OSSL_PARAM_END
  46 };
  47
  48 static const OSSL_PARAM *deflt_gettable_params(void *provctx)
  49 {
  50     return deflt_param_types;
  51 }
  52
  53 static int deflt_get_params(void *provctx, OSSL_PARAM params[])
  54 {
  55     OSSL_PARAM *p;
  56
  57     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
  58     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
  59         return 0;
  60     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
  61     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
  62         return 0;
  63     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
  64     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
  65         return 0;
  66     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
  67     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
  68         return 0;
  69     return 1;
  70 }
  71
  72 /*
  73  * For the algorithm names, we use the following formula for our primary
  74  * names:
  75  *
  76  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
  77  *
  78  *     VERSION is only present if there are multiple versions of
  79  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
  80  *     one version (if a subsequent version is released in the future,
  81  *     we can always change the canonical name, and add the old name
  82  *     as an alias).
  83  *
  84  *     SUBNAME may be present where we are combining multiple
  85  *     algorithms together, e.g. MD5-SHA1.
  86  *
  87  *     SIZE is only present if multiple versions of an algorithm exist
  88  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
  89  *
  90  *     MODE is only present where applicable.
  91  *
  92  * We add diverse other names where applicable, such as the names that
  93  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
  94  * we have used historically.
  95  *
  96  * Algorithm names are case insensitive, but we use all caps in our "canonical"
  97  * names for consistency.
  98  */
  99 static const OSSL_ALGORITHM deflt_digests[] = {
 100     /* Our primary name:NIST name[:our older names] */
 101     { "SHA1:SHA-1:SSL3-SHA1", "provider=default", ossl_sha1_functions },
 102     { "SHA2-224:SHA-224:SHA224", "provider=default", ossl_sha224_functions },
 103     { "SHA2-256:SHA-256:SHA256", "provider=default", ossl_sha256_functions },
 104     { "SHA2-384:SHA-384:SHA384", "provider=default", ossl_sha384_functions },
 105     { "SHA2-512:SHA-512:SHA512", "provider=default", ossl_sha512_functions },
 106     { "SHA2-512/224:SHA-512/224:SHA512-224", "provider=default",
 107       ossl_sha512_224_functions },
 108     { "SHA2-512/256:SHA-512/256:SHA512-256", "provider=default",
 109       ossl_sha512_256_functions },
 110
 111     /* We agree with NIST here, so one name only */
 112     { "SHA3-224", "provider=default", ossl_sha3_224_functions },
 113     { "SHA3-256", "provider=default", ossl_sha3_256_functions },
 114     { "SHA3-384", "provider=default", ossl_sha3_384_functions },
 115     { "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     { "KECCAK-KMAC-128:KECCAK-KMAC128", "provider=default",
 122       ossl_keccak_kmac_128_functions },
 123     { "KECCAK-KMAC-256:KECCAK-KMAC256", "provider=default",
 124       ossl_keccak_kmac_256_functions },
 125
 126     /* Our primary name:NIST name */
 127     { "SHAKE-128:SHAKE128", "provider=default", ossl_shake_128_functions },
 128     { "SHAKE-256:SHAKE256", "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     { "BLAKE2S-256:BLAKE2s256", "provider=default", ossl_blake2s256_functions },
 139     { "BLAKE2B-512:BLAKE2b512", "provider=default", ossl_blake2b512_functions },
 140 #endif /* OPENSSL_NO_BLAKE2 */
 141
 142 #ifndef OPENSSL_NO_SM3
 143     { "SM3", "provider=default", ossl_sm3_functions },
 144 #endif /* OPENSSL_NO_SM3 */
 145
 146 #ifndef OPENSSL_NO_MD5
 147     { "MD5:SSL3-MD5", "provider=default", ossl_md5_functions },
 148     { "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("NULL", ossl_null_functions),
 156     ALG("AES-256-ECB", ossl_aes256ecb_functions),
 157     ALG("AES-192-ECB", ossl_aes192ecb_functions),
 158     ALG("AES-128-ECB", ossl_aes128ecb_functions),
 159     ALG("AES-256-CBC:AES256", ossl_aes256cbc_functions),
 160     ALG("AES-192-CBC:AES192", ossl_aes192cbc_functions),
 161     ALG("AES-128-CBC:AES128", ossl_aes128cbc_functions),
 162     ALG("AES-128-CBC-CTS", ossl_aes128cbc_cts_functions),
 163     ALG("AES-192-CBC-CTS", ossl_aes192cbc_cts_functions),
 164     ALG("AES-256-CBC-CTS", ossl_aes256cbc_cts_functions),
 165     ALG("AES-256-OFB", ossl_aes256ofb_functions),
 166     ALG("AES-192-OFB", ossl_aes192ofb_functions),
 167     ALG("AES-128-OFB", ossl_aes128ofb_functions),
 168     ALG("AES-256-CFB", ossl_aes256cfb_functions),
 169     ALG("AES-192-CFB", ossl_aes192cfb_functions),
 170     ALG("AES-128-CFB", ossl_aes128cfb_functions),
 171     ALG("AES-256-CFB1", ossl_aes256cfb1_functions),
 172     ALG("AES-192-CFB1", ossl_aes192cfb1_functions),
 173     ALG("AES-128-CFB1", ossl_aes128cfb1_functions),
 174     ALG("AES-256-CFB8", ossl_aes256cfb8_functions),
 175     ALG("AES-192-CFB8", ossl_aes192cfb8_functions),
 176     ALG("AES-128-CFB8", ossl_aes128cfb8_functions),
 177     ALG("AES-256-CTR", ossl_aes256ctr_functions),
 178     ALG("AES-192-CTR", ossl_aes192ctr_functions),
 179     ALG("AES-128-CTR", ossl_aes128ctr_functions),
 180     ALG("AES-256-XTS", ossl_aes256xts_functions),
 181     ALG("AES-128-XTS", ossl_aes128xts_functions),
 182 #ifndef OPENSSL_NO_OCB
 183     ALG("AES-256-OCB", ossl_aes256ocb_functions),
 184     ALG("AES-192-OCB", ossl_aes192ocb_functions),
 185     ALG("AES-128-OCB", ossl_aes128ocb_functions),
 186 #endif /* OPENSSL_NO_OCB */
 187 #ifndef OPENSSL_NO_SIV
 188     ALG("AES-128-SIV", ossl_aes128siv_functions),
 189     ALG("AES-192-SIV", ossl_aes192siv_functions),
 190     ALG("AES-256-SIV", ossl_aes256siv_functions),
 191 #endif /* OPENSSL_NO_SIV */
 192     ALG("AES-256-GCM:id-aes256-GCM", ossl_aes256gcm_functions),
 193     ALG("AES-192-GCM:id-aes192-GCM", ossl_aes192gcm_functions),
 194     ALG("AES-128-GCM:id-aes128-GCM", ossl_aes128gcm_functions),
 195     ALG("AES-256-CCM:id-aes256-CCM", ossl_aes256ccm_functions),
 196     ALG("AES-192-CCM:id-aes192-CCM", ossl_aes192ccm_functions),
 197     ALG("AES-128-CCM:id-aes128-CCM", ossl_aes128ccm_functions),
 198     ALG("AES-256-WRAP:id-aes256-wrap:AES256-WRAP", ossl_aes256wrap_functions),
 199     ALG("AES-192-WRAP:id-aes192-wrap:AES192-WRAP", ossl_aes192wrap_functions),
 200     ALG("AES-128-WRAP:id-aes128-wrap:AES128-WRAP", ossl_aes128wrap_functions),
 201     ALG("AES-256-WRAP-PAD:id-aes256-wrap-pad:AES256-WRAP-PAD",
 202         ossl_aes256wrappad_functions),
 203     ALG("AES-192-WRAP-PAD:id-aes192-wrap-pad:AES192-WRAP-PAD",
 204         ossl_aes192wrappad_functions),
 205     ALG("AES-128-WRAP-PAD:id-aes128-wrap-pad:AES128-WRAP-PAD",
 206         ossl_aes128wrappad_functions),
 207     ALGC("AES-128-CBC-HMAC-SHA1", ossl_aes128cbc_hmac_sha1_functions,
 208          ossl_cipher_capable_aes_cbc_hmac_sha1),
 209     ALGC("AES-256-CBC-HMAC-SHA1", ossl_aes256cbc_hmac_sha1_functions,
 210          ossl_cipher_capable_aes_cbc_hmac_sha1),
 211     ALGC("AES-128-CBC-HMAC-SHA256", ossl_aes128cbc_hmac_sha256_functions,
 212         ossl_cipher_capable_aes_cbc_hmac_sha256),
 213     ALGC("AES-256-CBC-HMAC-SHA256", ossl_aes256cbc_hmac_sha256_functions,
 214          ossl_cipher_capable_aes_cbc_hmac_sha256),
 215 #ifndef OPENSSL_NO_ARIA
 216     ALG("ARIA-256-GCM", ossl_aria256gcm_functions),
 217     ALG("ARIA-192-GCM", ossl_aria192gcm_functions),
 218     ALG("ARIA-128-GCM", ossl_aria128gcm_functions),
 219     ALG("ARIA-256-CCM", ossl_aria256ccm_functions),
 220     ALG("ARIA-192-CCM", ossl_aria192ccm_functions),
 221     ALG("ARIA-128-CCM", ossl_aria128ccm_functions),
 222     ALG("ARIA-256-ECB", ossl_aria256ecb_functions),
 223     ALG("ARIA-192-ECB", ossl_aria192ecb_functions),
 224     ALG("ARIA-128-ECB", ossl_aria128ecb_functions),
 225     ALG("ARIA-256-CBC:ARIA256", ossl_aria256cbc_functions),
 226     ALG("ARIA-192-CBC:ARIA192", ossl_aria192cbc_functions),
 227     ALG("ARIA-128-CBC:ARIA128", ossl_aria128cbc_functions),
 228     ALG("ARIA-256-OFB", ossl_aria256ofb_functions),
 229     ALG("ARIA-192-OFB", ossl_aria192ofb_functions),
 230     ALG("ARIA-128-OFB", ossl_aria128ofb_functions),
 231     ALG("ARIA-256-CFB", ossl_aria256cfb_functions),
 232     ALG("ARIA-192-CFB", ossl_aria192cfb_functions),
 233     ALG("ARIA-128-CFB", ossl_aria128cfb_functions),
 234     ALG("ARIA-256-CFB1", ossl_aria256cfb1_functions),
 235     ALG("ARIA-192-CFB1", ossl_aria192cfb1_functions),
 236     ALG("ARIA-128-CFB1", ossl_aria128cfb1_functions),
 237     ALG("ARIA-256-CFB8", ossl_aria256cfb8_functions),
 238     ALG("ARIA-192-CFB8", ossl_aria192cfb8_functions),
 239     ALG("ARIA-128-CFB8", ossl_aria128cfb8_functions),
 240     ALG("ARIA-256-CTR", ossl_aria256ctr_functions),
 241     ALG("ARIA-192-CTR", ossl_aria192ctr_functions),
 242     ALG("ARIA-128-CTR", ossl_aria128ctr_functions),
 243 #endif /* OPENSSL_NO_ARIA */
 244 #ifndef OPENSSL_NO_CAMELLIA
 245     ALG("CAMELLIA-256-ECB", ossl_camellia256ecb_functions),
 246     ALG("CAMELLIA-192-ECB", ossl_camellia192ecb_functions),
 247     ALG("CAMELLIA-128-ECB", ossl_camellia128ecb_functions),
 248     ALG("CAMELLIA-256-CBC:CAMELLIA256", ossl_camellia256cbc_functions),
 249     ALG("CAMELLIA-192-CBC:CAMELLIA192", ossl_camellia192cbc_functions),
 250     ALG("CAMELLIA-128-CBC:CAMELLIA128", ossl_camellia128cbc_functions),
 251     ALG("CAMELLIA-256-OFB", ossl_camellia256ofb_functions),
 252     ALG("CAMELLIA-192-OFB", ossl_camellia192ofb_functions),
 253     ALG("CAMELLIA-128-OFB", ossl_camellia128ofb_functions),
 254     ALG("CAMELLIA-256-CFB", ossl_camellia256cfb_functions),
 255     ALG("CAMELLIA-192-CFB", ossl_camellia192cfb_functions),
 256     ALG("CAMELLIA-128-CFB", ossl_camellia128cfb_functions),
 257     ALG("CAMELLIA-256-CFB1", ossl_camellia256cfb1_functions),
 258     ALG("CAMELLIA-192-CFB1", ossl_camellia192cfb1_functions),
 259     ALG("CAMELLIA-128-CFB1", ossl_camellia128cfb1_functions),
 260     ALG("CAMELLIA-256-CFB8", ossl_camellia256cfb8_functions),
 261     ALG("CAMELLIA-192-CFB8", ossl_camellia192cfb8_functions),
 262     ALG("CAMELLIA-128-CFB8", ossl_camellia128cfb8_functions),
 263     ALG("CAMELLIA-256-CTR", ossl_camellia256ctr_functions),
 264     ALG("CAMELLIA-192-CTR", ossl_camellia192ctr_functions),
 265     ALG("CAMELLIA-128-CTR", ossl_camellia128ctr_functions),
 266 #endif /* OPENSSL_NO_CAMELLIA */
 267 #ifndef OPENSSL_NO_DES
 268     ALG("DES-EDE3-ECB:DES-EDE3", ossl_tdes_ede3_ecb_functions),
 269     ALG("DES-EDE3-CBC:DES3", ossl_tdes_ede3_cbc_functions),
 270     ALG("DES-EDE3-OFB", ossl_tdes_ede3_ofb_functions),
 271     ALG("DES-EDE3-CFB", ossl_tdes_ede3_cfb_functions),
 272     ALG("DES-EDE3-CFB8", ossl_tdes_ede3_cfb8_functions),
 273     ALG("DES-EDE3-CFB1", ossl_tdes_ede3_cfb1_functions),
 274     ALG("DES3-WRAP:id-smime-alg-CMS3DESwrap", ossl_tdes_wrap_cbc_functions),
 275     ALG("DES-EDE-ECB:DES-EDE", ossl_tdes_ede2_ecb_functions),
 276     ALG("DES-EDE-CBC", ossl_tdes_ede2_cbc_functions),
 277     ALG("DES-EDE-OFB", ossl_tdes_ede2_ofb_functions),
 278     ALG("DES-EDE-CFB", ossl_tdes_ede2_cfb_functions),
 279 #endif /* OPENSSL_NO_DES */
 280 #ifndef OPENSSL_NO_SM4
 281     ALG("SM4-ECB", ossl_sm4128ecb_functions),
 282     ALG("SM4-CBC:SM4", ossl_sm4128cbc_functions),
 283     ALG("SM4-CTR", ossl_sm4128ctr_functions),
 284     ALG("SM4-OFB:SM4-OFB128", ossl_sm4128ofb128_functions),
 285     ALG("SM4-CFB:SM4-CFB128", ossl_sm4128cfb128_functions),
 286 #endif /* OPENSSL_NO_SM4 */
 287 #ifndef OPENSSL_NO_CHACHA
 288     ALG("ChaCha20", ossl_chacha20_functions),
 289 # ifndef OPENSSL_NO_POLY1305
 290     ALG("ChaCha20-Poly1305", ossl_chacha20_ossl_poly1305_functions),
 291 # endif /* OPENSSL_NO_POLY1305 */
 292 #endif /* OPENSSL_NO_CHACHA */
 293     { { NULL, NULL, NULL }, NULL }
 294 };
 295 static OSSL_ALGORITHM exported_ciphers[OSSL_NELEM(deflt_ciphers)];
 296
 297 static const OSSL_ALGORITHM deflt_macs[] = {
 298 #ifndef OPENSSL_NO_BLAKE2
 299     { "BLAKE2BMAC", "provider=default", ossl_blake2bmac_functions },
 300     { "BLAKE2SMAC", "provider=default", ossl_blake2smac_functions },
 301 #endif
 302 #ifndef OPENSSL_NO_CMAC
 303     { "CMAC", "provider=default", ossl_cmac_functions },
 304 #endif
 305     { "GMAC", "provider=default", ossl_gmac_functions },
 306     { "HMAC", "provider=default", ossl_hmac_functions },
 307     { "KMAC-128:KMAC128", "provider=default", ossl_kmac128_functions },
 308     { "KMAC-256:KMAC256", "provider=default", ossl_kmac256_functions },
 309 #ifndef OPENSSL_NO_SIPHASH
 310     { "SIPHASH", "provider=default", ossl_siphash_functions },
 311 #endif
 312 #ifndef OPENSSL_NO_POLY1305
 313     { "POLY1305", "provider=default", ossl_poly1305_functions },
 314 #endif
 315     { NULL, NULL, NULL }
 316 };
 317
 318 static const OSSL_ALGORITHM deflt_kdfs[] = {
 319     { "HKDF", "provider=default", ossl_kdf_hkdf_functions },
 320     { "SSKDF", "provider=default", ossl_kdf_sskdf_functions },
 321     { "PBKDF2", "provider=default", ossl_kdf_pbkdf2_functions },
 322     { "PKCS12KDF", "provider=default", ossl_kdf_pkcs12_functions },
 323     { "SSHKDF", "provider=default", ossl_kdf_sshkdf_functions },
 324     { "X963KDF", "provider=default", ossl_kdf_x963_kdf_functions },
 325     { "TLS1-PRF", "provider=default", ossl_kdf_tls1_prf_functions },
 326     { "KBKDF", "provider=default", ossl_kdf_kbkdf_functions },
 327 #ifndef OPENSSL_NO_CMS
 328     { "X942KDF", "provider=default", ossl_kdf_x942_kdf_functions },
 329 #endif
 330 #ifndef OPENSSL_NO_SCRYPT
 331     { "SCRYPT:id-scrypt", "provider=default", ossl_kdf_scrypt_functions },
 332 #endif
 333     { "KRB5KDF", "provider=default", ossl_kdf_krb5kdf_functions },
 334     { NULL, NULL, NULL }
 335 };
 336
 337 static const OSSL_ALGORITHM deflt_keyexch[] = {
 338 #ifndef OPENSSL_NO_DH
 339     { "DH:dhKeyAgreement", "provider=default", ossl_dh_keyexch_functions },
 340 #endif
 341 #ifndef OPENSSL_NO_EC
 342     { "ECDH", "provider=default", ecossl_dh_keyexch_functions },
 343     { "X25519", "provider=default", ossl_x25519_keyexch_functions },
 344     { "X448", "provider=default", ossl_x448_keyexch_functions },
 345 #endif
 346     { "TLS1-PRF", "provider=default", ossl_kdf_tls1_prf_keyexch_functions },
 347     { "HKDF", "provider=default", ossl_kdf_hkdf_keyexch_functions },
 348     { "SCRYPT:id-scrypt", "provider=default",
 349       ossl_kdf_scrypt_keyexch_functions },
 350     { NULL, NULL, NULL }
 351 };
 352
 353 static const OSSL_ALGORITHM deflt_rands[] = {
 354     { "CTR-DRBG", "provider=default", ossl_drbg_ctr_functions },
 355     { "HASH-DRBG", "provider=default", ossl_drbg_hash_functions },
 356     { "HMAC-DRBG", "provider=default", ossl_drbg_ossl_hmac_functions },
 357     { "TEST-RAND", "provider=default", ossl_test_rng_functions },
 358     { NULL, NULL, NULL }
 359 };
 360
 361 static const OSSL_ALGORITHM deflt_signature[] = {
 362 #ifndef OPENSSL_NO_DSA
 363     { "DSA:dsaEncryption", "provider=default", ossl_dsa_signature_functions },
 364 #endif
 365     { "RSA:rsaEncryption", "provider=default", ossl_rsa_signature_functions },
 366 #ifndef OPENSSL_NO_EC
 367     { "ED25519:Ed25519", "provider=default", ossl_ed25519_signature_functions },
 368     { "ED448:Ed448", "provider=default", ossl_ed448_signature_functions },
 369     { "ECDSA", "provider=default", ecossl_dsa_signature_functions },
 370 # ifndef OPENSSL_NO_SM2
 371     { "SM2", "provider=default", sm2_signature_functions },
 372 # endif
 373 #endif
 374     { "HMAC", "provider=default", ossl_mac_legacy_hmac_signature_functions },
 375     { "SIPHASH", "provider=default",
 376       ossl_mac_legacy_siphash_signature_functions },
 377 #ifndef OPENSSL_NO_POLY1305
 378     { "POLY1305", "provider=default",
 379       ossl_mac_legacy_poly1305_signature_functions },
 380 #endif
 381 #ifndef OPENSSL_NO_CMAC
 382     { "CMAC", "provider=default", ossl_mac_legacy_cmac_signature_functions },
 383 #endif
 384     { NULL, NULL, NULL }
 385 };
 386
 387 static const OSSL_ALGORITHM deflt_asym_cipher[] = {
 388     { "RSA:rsaEncryption", "provider=default", ossl_rsa_asym_cipher_functions },
 389 #ifndef OPENSSL_NO_SM2
 390     { "SM2", "provider=default", sm2_asym_cipher_functions },
 391 #endif
 392     { NULL, NULL, NULL }
 393 };
 394
 395 static const OSSL_ALGORITHM deflt_asym_kem[] = {
 396     { "RSA", "provider=default", ossl_rsa_asym_kem_functions },
 397     { NULL, NULL, NULL }
 398 };
 399
 400 static const OSSL_ALGORITHM deflt_keymgmt[] = {
 401 #ifndef OPENSSL_NO_DH
 402     { "DH:dhKeyAgreement", "provider=default", ossl_dh_keymgmt_functions },
 403     { "DHX:X9.42 DH:dhpublicnumber", "provider=default",
 404       ossl_dhx_keymgmt_functions },
 405 #endif
 406 #ifndef OPENSSL_NO_DSA
 407     { "DSA:dsaEncryption", "provider=default", ossl_dsa_keymgmt_functions },
 408 #endif
 409     { "RSA:rsaEncryption", "provider=default", ossl_rsa_keymgmt_functions },
 410     { "RSA-PSS:RSASSA-PSS", "provider=default", ossl_rsapss_keymgmt_functions },
 411 #ifndef OPENSSL_NO_EC
 412     { "EC:id-ecPublicKey", "provider=default", ossl_ec_keymgmt_functions },
 413     { "X25519", "provider=default", ossl_x25519_keymgmt_functions },
 414     { "X448", "provider=default", ossl_x448_keymgmt_functions },
 415     { "ED25519", "provider=default", ossl_ed25519_keymgmt_functions },
 416     { "ED448", "provider=default", ossl_ed448_keymgmt_functions },
 417 #endif
 418     { "TLS1-PRF", "provider=default", ossl_kdf_keymgmt_functions },
 419     { "HKDF", "provider=default", ossl_kdf_keymgmt_functions },
 420     { "SCRYPT:id-scrypt", "provider=default", ossl_kdf_keymgmt_functions },
 421     { "HMAC", "provider=default", ossl_mac_legacy_keymgmt_functions },
 422     { "SIPHASH", "provider=default", ossl_mac_legacy_keymgmt_functions },
 423 #ifndef OPENSSL_NO_POLY1305
 424     { "POLY1305", "provider=default", ossl_mac_legacy_keymgmt_functions },
 425 #endif
 426 #ifndef OPENSSL_NO_CMAC
 427     { "CMAC", "provider=default", ossl_cossl_mac_legacy_keymgmt_functions },
 428 #endif
 429 #ifndef OPENSSL_NO_SM2
 430     { "SM2", "provider=default", sm2_keymgmt_functions },
 431 #endif
 432     { NULL, NULL, NULL }
 433 };
 434
 435 static const OSSL_ALGORITHM deflt_encoder[] = {
 436 #define ENCODER(name, _fips, _output, func_table)                           \
 437     { name,                                                                 \
 438       "provider=default,fips=" _fips ",output=" _output,                    \
 439       (func_table) }
 440
 441 #include "encoders.inc"
 442     { NULL, NULL, NULL }
 443 };
 444 #undef ENCODER
 445
 446 static const OSSL_ALGORITHM deflt_decoder[] = {
 447 #define DECODER(name, _fips, _input, func_table)                            \
 448     { name,                                                                 \
 449       "provider=default,fips=" _fips ",input=" _input,                      \
 450       (func_table) }
 451
 452 #include "decoders.inc"
 453     { NULL, NULL, NULL }
 454 };
 455 #undef DECODER
 456
 457 static const OSSL_ALGORITHM deflt_store[] = {
 458 #define STORE(name, _fips, func_table)                           \
 459     { name, "provider=default,fips=" _fips, (func_table) },
 460
 461 #include "stores.inc"
 462     { NULL, NULL, NULL }
 463 #undef STORE
 464 };
 465
 466 static const OSSL_ALGORITHM *deflt_query(void *provctx, int operation_id,
 467                                          int *no_cache)
 468 {
 469     *no_cache = 0;
 470     switch (operation_id) {
 471     case OSSL_OP_DIGEST:
 472         return deflt_digests;
 473     case OSSL_OP_CIPHER:
 474         ossl_prov_cache_exported_algorithms(deflt_ciphers, exported_ciphers);
 475         return exported_ciphers;
 476     case OSSL_OP_MAC:
 477         return deflt_macs;
 478     case OSSL_OP_KDF:
 479         return deflt_kdfs;
 480     case OSSL_OP_RAND:
 481         return deflt_rands;
 482     case OSSL_OP_KEYMGMT:
 483         return deflt_keymgmt;
 484     case OSSL_OP_KEYEXCH:
 485         return deflt_keyexch;
 486     case OSSL_OP_SIGNATURE:
 487         return deflt_signature;
 488     case OSSL_OP_ASYM_CIPHER:
 489         return deflt_asym_cipher;
 490     case OSSL_OP_KEM:
 491         return deflt_asym_kem;
 492     case OSSL_OP_ENCODER:
 493         return deflt_encoder;
 494     case OSSL_OP_DECODER:
 495         return deflt_decoder;
 496     case OSSL_OP_STORE:
 497         return deflt_store;
 498     }
 499     return NULL;
 500 }
 501
 502
 503 static void deflt_teardown(void *provctx)
 504 {
 505     BIO_meth_free(ossl_prov_ctx_get0_core_bio_method(provctx));
 506     ossl_prov_ctx_free(provctx);
 507 }
 508
 509 /* Functions we provide to the core */
 510 static const OSSL_DISPATCH deflt_dispatch_table[] = {
 511     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))deflt_teardown },
 512     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))deflt_gettable_params },
 513     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
 514     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
 515     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES, (void (*)(void))provider_get_capabilities },
 516     { 0, NULL }
 517 };
 518
 519 OSSL_provider_init_fn ossl_default_provider_init;
 520
 521 int ossl_default_provider_init(const OSSL_CORE_HANDLE *handle,
 522                                const OSSL_DISPATCH *in,
 523                                const OSSL_DISPATCH **out,
 524                                void **provctx)
 525 {
 526     OSSL_FUNC_core_get_library_context_fn *c_get_libctx = NULL;
 527     BIO_METHOD *corebiometh;
 528
 529     if (!ossl_prov_bio_from_dispatch(in))
 530         return 0;
 531     for (; in->function_id != 0; in++) {
 532         switch (in->function_id) {
 533         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 534             c_gettable_params = OSSL_FUNC_core_gettable_params(in);
 535             break;
 536         case OSSL_FUNC_CORE_GET_PARAMS:
 537             c_get_params = OSSL_FUNC_core_get_params(in);
 538             break;
 539         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 540             c_get_libctx = OSSL_FUNC_core_get_library_context(in);
 541             break;
 542         default:
 543             /* Just ignore anything we don't understand */
 544             break;
 545         }
 546     }
 547
 548     if (c_get_libctx == NULL)
 549         return 0;
 550
 551     /*
 552      * We want to make sure that all calls from this provider that requires
 553      * a library context use the same context as the one used to call our
 554      * functions.  We do that by passing it along in the provider context.
 555      *
 556      * This only works for built-in providers.  Most providers should
 557      * create their own library context.
 558      */
 559     if ((*provctx = ossl_prov_ctx_new()) == NULL
 560             || (corebiometh = bio_prov_init_bio_method()) == NULL) {
 561         ossl_prov_ctx_free(*provctx);
 562         *provctx = NULL;
 563         return 0;
 564     }
 565     ossl_prov_ctx_set0_library_context(*provctx,
 566                                        (OPENSSL_CTX *)c_get_libctx(handle));
 567     ossl_prov_ctx_set0_handle(*provctx, handle);
 568     ossl_prov_ctx_set0_core_bio_method(*provctx, corebiometh);
 569
 570     *out = deflt_dispatch_table;
 571
 572     return 1;
 573 }