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cc35c3ed8f
Make some algorithms names better match our "canonical" style. Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/10092)
138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <stdio.h>
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#include <openssl/core.h>
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#include <openssl/core_numbers.h>
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#include <openssl/core_names.h>
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#include <openssl/params.h>
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#include "prov/implementations.h"
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#ifdef STATIC_LEGACY
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OSSL_provider_init_fn ossl_legacy_provider_init;
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# define OSSL_provider_init ossl_legacy_provider_init
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#endif
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/* Functions provided by the core */
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static OSSL_core_gettable_params_fn *c_gettable_params = NULL;
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static OSSL_core_get_params_fn *c_get_params = NULL;
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/* Parameters we provide to the core */
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static const OSSL_ITEM legacy_param_types[] = {
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{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
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{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
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{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
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{ 0, NULL }
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};
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static const OSSL_ITEM *legacy_gettable_params(const OSSL_PROVIDER *prov)
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{
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return legacy_param_types;
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}
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static int legacy_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
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{
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OSSL_PARAM *p;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Legacy Provider"))
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return 0;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
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return 0;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
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return 0;
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return 1;
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}
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static const OSSL_ALGORITHM legacy_digests[] = {
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#ifndef OPENSSL_NO_MD2
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{ "MD2", "legacy=yes", md2_functions },
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#endif
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#ifndef OPENSSL_NO_MD4
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{ "MD4", "legacy=yes", md4_functions },
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#endif
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#ifndef OPENSSL_NO_MDC2
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{ "MDC2", "legacy=yes", mdc2_functions },
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#endif /* OPENSSL_NO_MDC2 */
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#ifndef OPENSSL_NO_WHIRLPOOL
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{ "WHIRLPOOL", "legacy=yes", wp_functions },
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#endif /* OPENSSL_NO_WHIRLPOOL */
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#ifndef OPENSSL_NO_RMD160
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{ "RIPEMD-160:RIPEMD160:RIPEMD:RMD160", "legacy=yes", ripemd160_functions },
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#endif /* OPENSSL_NO_RMD160 */
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{ NULL, NULL, NULL }
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};
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static const OSSL_ALGORITHM *legacy_query(OSSL_PROVIDER *prov,
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int operation_id,
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int *no_cache)
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{
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*no_cache = 0;
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switch (operation_id) {
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case OSSL_OP_DIGEST:
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return legacy_digests;
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}
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return NULL;
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}
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/* Functions we provide to the core */
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static const OSSL_DISPATCH legacy_dispatch_table[] = {
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{ OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))legacy_gettable_params },
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{ OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params },
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{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query },
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{ 0, NULL }
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};
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int OSSL_provider_init(const OSSL_PROVIDER *provider,
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const OSSL_DISPATCH *in,
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const OSSL_DISPATCH **out,
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void **provctx)
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{
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OSSL_core_get_library_context_fn *c_get_libctx = NULL;
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for (; in->function_id != 0; in++) {
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switch (in->function_id) {
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case OSSL_FUNC_CORE_GETTABLE_PARAMS:
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c_gettable_params = OSSL_get_core_gettable_params(in);
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break;
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case OSSL_FUNC_CORE_GET_PARAMS:
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c_get_params = OSSL_get_core_get_params(in);
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break;
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case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
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c_get_libctx = OSSL_get_core_get_library_context(in);
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break;
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/* Just ignore anything we don't understand */
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default:
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break;
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}
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}
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if (c_get_libctx == NULL)
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return 0;
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*out = legacy_dispatch_table;
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/*
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* We want to make sure that all calls from this provider that requires
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* a library context use the same context as the one used to call our
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* functions. We do that by passing it along as the provider context.
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*/
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*provctx = c_get_libctx(provider);
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return 1;
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}
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