providers/defltprov.c

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