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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <stdio.h>
#include <openssl/core.h>
#include <openssl/core_numbers.h>
#include <openssl/core_names.h>
#include <openssl/params.h>
#include "internal/provider_algs.h"
/* Functions provided by the core */
static OSSL_core_get_param_types_fn *c_get_param_types = NULL;
static OSSL_core_get_params_fn *c_get_params = NULL;
/* Parameters we provide to the core */
static const OSSL_ITEM deflt_param_types[] = {
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
{ 0, NULL }
};
static const OSSL_ITEM *deflt_get_param_types(const OSSL_PROVIDER *prov)
{
return deflt_param_types;
}
static int deflt_get_params(const OSSL_PROVIDER *prov,
const OSSL_PARAM params[])
{
const OSSL_PARAM *p;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
return 0;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
return 0;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
return 0;
return 1;
}
static const OSSL_ALGORITHM deflt_digests[] = {
{ "SHA256", "default=yes", sha256_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM deflt_ciphers[] = {
{ "AES-256-ECB", "default=yes", aes256ecb_functions },
{ "AES-192-ECB", "default=yes", aes192ecb_functions },
{ "AES-128-ECB", "default=yes", aes128ecb_functions },
{ "AES-256-CBC", "default=yes", aes256cbc_functions },
{ "AES-192-CBC", "default=yes", aes192cbc_functions },
{ "AES-128-CBC", "default=yes", aes128cbc_functions },
{ "AES-256-OFB", "default=yes", aes256ofb_functions },
{ "AES-192-OFB", "default=yes", aes192ofb_functions },
{ "AES-128-OFB", "default=yes", aes128ofb_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM *deflt_query(OSSL_PROVIDER *prov,
int operation_id,
int *no_cache)
{
*no_cache = 0;
switch (operation_id) {
case OSSL_OP_DIGEST:
return deflt_digests;
case OSSL_OP_CIPHER:
return deflt_ciphers;
}
return NULL;
}
/* Functions we provide to the core */
static const OSSL_DISPATCH deflt_dispatch_table[] = {
{ OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))deflt_get_param_types },
{ OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
{ 0, NULL }
};
OSSL_provider_init_fn ossl_default_provider_init;
int ossl_default_provider_init(const OSSL_PROVIDER *provider,
const OSSL_DISPATCH *in,
const OSSL_DISPATCH **out)
{
for (; in->function_id != 0; in++) {
switch (in->function_id) {
case OSSL_FUNC_CORE_GET_PARAM_TYPES:
c_get_param_types = OSSL_get_core_get_param_types(in);
break;
case OSSL_FUNC_CORE_GET_PARAMS:
c_get_params = OSSL_get_core_get_params(in);
break;
default:
/* Just ignore anything we don't understand */
break;
}
}
*out = deflt_dispatch_table;
return 1;
}
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