providers/default/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/core.h>
  13 #include <openssl/core_numbers.h>
  14 #include <openssl/core_names.h>
  15 #include <openssl/params.h>
  16 #include "internal/provider_algs.h"
  17
  18 /* Functions provided by the core */
  19 static OSSL_core_get_param_types_fn *c_get_param_types = NULL;
  20 static OSSL_core_get_params_fn *c_get_params = NULL;
  21
  22 /* Parameters we provide to the core */
  23 static const OSSL_ITEM deflt_param_types[] = {
  24     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
  25     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
  26     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
  27     { 0, NULL }
  28 };
  29
  30 static const OSSL_ITEM *deflt_get_param_types(const OSSL_PROVIDER *prov)
  31 {
  32     return deflt_param_types;
  33 }
  34
  35 static int deflt_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
  36 {
  37     OSSL_PARAM *p;
  38
  39     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
  40     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
  41         return 0;
  42     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
  43     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
  44         return 0;
  45     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
  46     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
  47         return 0;
  48
  49     return 1;
  50 }
  51
  52 static const OSSL_ALGORITHM deflt_digests[] = {
  53     { "SHA1", "default=yes", sha1_functions },
  54
  55     { "SHA224", "default=yes", sha224_functions },
  56     { "SHA256", "default=yes", sha256_functions },
  57     { "SHA384", "default=yes", sha384_functions },
  58     { "SHA512", "default=yes", sha512_functions },
  59     { "SHA512-224", "default=yes", sha512_224_functions },
  60     { "SHA512-256", "default=yes", sha512_256_functions },
  61
  62     { "SHA3-224", "default=yes", sha3_224_functions },
  63     { "SHA3-256", "default=yes", sha3_256_functions },
  64     { "SHA3-384", "default=yes", sha3_384_functions },
  65     { "SHA3-512", "default=yes", sha3_512_functions },
  66
  67     { "KMAC128", "default=yes", keccak_kmac_128_functions },
  68     { "KMAC256", "default=yes", keccak_kmac_256_functions },
  69
  70     { "SHAKE128", "default=yes", shake_128_functions },
  71     { "SHAKE256", "default=yes", shake_256_functions },
  72
  73 #ifndef OPENSSL_NO_BLAKE2
  74     { "BLAKE2s256", "default=yes", blake2s256_functions },
  75     { "BLAKE2b512", "default=yes", blake2b512_functions },
  76 #endif /* OPENSSL_NO_BLAKE2 */
  77
  78 #ifndef OPENSSL_NO_SM3
  79     { "SM3", "default=yes", sm3_functions },
  80 #endif /* OPENSSL_NO_SM3 */
  81
  82 #ifndef OPENSSL_NO_MD5
  83     { "MD5", "default=yes", md5_functions },
  84     { "MD5-SHA1", "default=yes", md5_sha1_functions },
  85 #endif /* OPENSSL_NO_MD5 */
  86
  87     /*{ "UNDEF", "default=yes", nullmd_functions }, */
  88
  89     { NULL, NULL, NULL }
  90 };
  91
  92 static const OSSL_ALGORITHM deflt_ciphers[] = {
  93     { "AES-256-ECB", "default=yes", aes256ecb_functions },
  94     { "AES-192-ECB", "default=yes", aes192ecb_functions },
  95     { "AES-128-ECB", "default=yes", aes128ecb_functions },
  96     { "AES-256-CBC", "default=yes", aes256cbc_functions },
  97     { "AES-192-CBC", "default=yes", aes192cbc_functions },
  98     { "AES-128-CBC", "default=yes", aes128cbc_functions },
  99     { "AES-256-OFB", "default=yes", aes256ofb_functions },
 100     { "AES-192-OFB", "default=yes", aes192ofb_functions },
 101     { "AES-128-OFB", "default=yes", aes128ofb_functions },
 102     { "AES-256-CFB", "default=yes", aes256cfb_functions },
 103     { "AES-192-CFB", "default=yes", aes192cfb_functions },
 104     { "AES-128-CFB", "default=yes", aes128cfb_functions },
 105     { "AES-256-CFB1", "default=yes", aes256cfb1_functions },
 106     { "AES-192-CFB1", "default=yes", aes192cfb1_functions },
 107     { "AES-128-CFB1", "default=yes", aes128cfb1_functions },
 108     { "AES-256-CFB8", "default=yes", aes256cfb8_functions },
 109     { "AES-192-CFB8", "default=yes", aes192cfb8_functions },
 110     { "AES-128-CFB8", "default=yes", aes128cfb8_functions },
 111     { "AES-256-CTR", "default=yes", aes256ctr_functions },
 112     { "AES-192-CTR", "default=yes", aes192ctr_functions },
 113     { "AES-128-CTR", "default=yes", aes128ctr_functions },
 114     { NULL, NULL, NULL }
 115 };
 116
 117 static const OSSL_ALGORITHM deflt_keyexch[] = {
 118     { "dhKeyAgreement", "default=yes", dh_functions },
 119     { NULL, NULL, NULL }
 120 };
 121
 122 static const OSSL_ALGORITHM *deflt_query(OSSL_PROVIDER *prov,
 123                                          int operation_id,
 124                                          int *no_cache)
 125 {
 126     *no_cache = 0;
 127     switch (operation_id) {
 128     case OSSL_OP_DIGEST:
 129         return deflt_digests;
 130     case OSSL_OP_CIPHER:
 131         return deflt_ciphers;
 132     case OSSL_OP_KEYEXCH:
 133         return deflt_keyexch;
 134     }
 135     return NULL;
 136 }
 137
 138 /* Functions we provide to the core */
 139 static const OSSL_DISPATCH deflt_dispatch_table[] = {
 140     { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))deflt_get_param_types },
 141     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
 142     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
 143     { 0, NULL }
 144 };
 145
 146 OSSL_provider_init_fn ossl_default_provider_init;
 147
 148 int ossl_default_provider_init(const OSSL_PROVIDER *provider,
 149                                const OSSL_DISPATCH *in,
 150                                const OSSL_DISPATCH **out,
 151                                void **provctx)
 152 {
 153     OSSL_core_get_library_context_fn *c_get_libctx = NULL;
 154
 155     for (; in->function_id != 0; in++) {
 156         switch (in->function_id) {
 157         case OSSL_FUNC_CORE_GET_PARAM_TYPES:
 158             c_get_param_types = OSSL_get_core_get_param_types(in);
 159             break;
 160         case OSSL_FUNC_CORE_GET_PARAMS:
 161             c_get_params = OSSL_get_core_get_params(in);
 162             break;
 163         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 164             c_get_libctx = OSSL_get_core_get_library_context(in);
 165             break;
 166         default:
 167             /* Just ignore anything we don't understand */
 168             break;
 169         }
 170     }
 171
 172     if (c_get_libctx == NULL)
 173         return 0;
 174
 175     *out = deflt_dispatch_table;
 176
 177     /*
 178      * We want to make sure that all calls from this provider that requires
 179      * a library context use the same context as the one used to call our
 180      * functions.  We do that by passing it along as the provider context.
 181      */
 182     *provctx = c_get_libctx(provider);
 183     return 1;
 184 }