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a829b735b6
This change makes the naming more consistent, because three different terms were used for the same thing. (The term libctx was used by far most often.) Reviewed-by: Paul Dale <paul.dale@oracle.com> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/12621)
219 lines
7.3 KiB
C
219 lines
7.3 KiB
C
/*
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* Copyright 2019-2020 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_dispatch.h>
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#include <openssl/core_names.h>
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#include <openssl/params.h>
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#include "prov/provider_ctx.h"
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#include "prov/implementations.h"
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#include "prov/providercommon.h"
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/*
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* Forward declarations to ensure that interface functions are correctly
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* defined.
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*/
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static OSSL_FUNC_provider_gettable_params_fn legacy_gettable_params;
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static OSSL_FUNC_provider_get_params_fn legacy_get_params;
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static OSSL_FUNC_provider_query_operation_fn legacy_query;
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#define ALG(NAMES, FUNC) { NAMES, "provider=legacy", FUNC }
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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_FUNC_core_gettable_params_fn *c_gettable_params = NULL;
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static OSSL_FUNC_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_PARAM legacy_param_types[] = {
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
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OSSL_PARAM_END
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};
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static const OSSL_PARAM *legacy_gettable_params(void *provctx)
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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(void *provctx, 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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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
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if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
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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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ALG("MD2", ossl_md2_functions),
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#endif
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#ifndef OPENSSL_NO_MD4
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ALG("MD4", ossl_md4_functions),
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#endif
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#ifndef OPENSSL_NO_MDC2
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ALG("MDC2", ossl_mdc2_functions),
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#endif /* OPENSSL_NO_MDC2 */
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#ifndef OPENSSL_NO_WHIRLPOOL
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ALG("WHIRLPOOL", ossl_wp_functions),
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#endif /* OPENSSL_NO_WHIRLPOOL */
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#ifndef OPENSSL_NO_RMD160
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ALG("RIPEMD-160:RIPEMD160:RIPEMD:RMD160", ossl_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_ciphers[] = {
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#ifndef OPENSSL_NO_CAST
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ALG("CAST5-ECB", ossl_cast5128ecb_functions),
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ALG("CAST5-CBC:CAST-CBC:CAST", ossl_cast5128cbc_functions),
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ALG("CAST5-OFB", ossl_cast5128ofb64_functions),
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ALG("CAST5-CFB", ossl_cast5128cfb64_functions),
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#endif /* OPENSSL_NO_CAST */
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#ifndef OPENSSL_NO_BF
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ALG("BF-ECB", ossl_blowfish128ecb_functions),
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ALG("BF-CBC:BF:BLOWFISH", ossl_blowfish128cbc_functions),
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ALG("BF-OFB", ossl_blowfish64ofb64_functions),
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ALG("BF-CFB", ossl_blowfish64cfb64_functions),
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#endif /* OPENSSL_NO_BF */
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#ifndef OPENSSL_NO_IDEA
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ALG("IDEA-ECB", ossl_idea128ecb_functions),
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ALG("IDEA-CBC:IDEA", ossl_idea128cbc_functions),
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ALG("IDEA-OFB:IDEA-OFB64", ossl_idea128ofb64_functions),
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ALG("IDEA-CFB:IDEA-CFB64", ossl_idea128cfb64_functions),
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#endif /* OPENSSL_NO_IDEA */
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#ifndef OPENSSL_NO_SEED
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ALG("SEED-ECB", ossl_seed128ecb_functions),
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ALG("SEED-CBC:SEED", ossl_seed128cbc_functions),
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ALG("SEED-OFB:SEED-OFB128", ossl_seed128ofb128_functions),
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ALG("SEED-CFB:SEED-CFB128", ossl_seed128cfb128_functions),
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#endif /* OPENSSL_NO_SEED */
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#ifndef OPENSSL_NO_RC2
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ALG("RC2-ECB", ossl_rc2128ecb_functions),
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ALG("RC2-CBC:RC2:RC2-128", ossl_rc2128cbc_functions),
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ALG("RC2-40-CBC:RC2-40", ossl_rc240cbc_functions),
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ALG("RC2-64-CBC:RC2-64", ossl_rc264cbc_functions),
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ALG("RC2-CFB", ossl_rc2128cfb128_functions),
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ALG("RC2-OFB", ossl_rc2128ofb128_functions),
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#endif /* OPENSSL_NO_RC2 */
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#ifndef OPENSSL_NO_RC4
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ALG("RC4", ossl_rc4128_functions),
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ALG("RC4-40", ossl_rc440_functions),
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# ifndef OPENSSL_NO_MD5
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ALG("RC4-HMAC-MD5", ossl_rc4_hmac_ossl_md5_functions),
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# endif /* OPENSSL_NO_MD5 */
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#endif /* OPENSSL_NO_RC4 */
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#ifndef OPENSSL_NO_RC5
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ALG("RC5-ECB", ossl_rc5128ecb_functions),
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ALG("RC5-CBC:RC5", ossl_rc5128cbc_functions),
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ALG("RC5-OFB", ossl_rc5128ofb64_functions),
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ALG("RC5-CFB", ossl_rc5128cfb64_functions),
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#endif /* OPENSSL_NO_RC5 */
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#ifndef OPENSSL_NO_DES
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ALG("DESX-CBC:DESX", ossl_tdes_desx_cbc_functions),
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ALG("DES-ECB", ossl_des_ecb_functions),
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ALG("DES-CBC:DES", ossl_des_cbc_functions),
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ALG("DES-OFB", ossl_des_ofb64_functions),
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ALG("DES-CFB", ossl_des_cfb64_functions),
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ALG("DES-CFB1", ossl_des_cfb1_functions),
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ALG("DES-CFB8", ossl_des_cfb8_functions),
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#endif /* OPENSSL_NO_DES */
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{ NULL, NULL, NULL }
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};
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static const OSSL_ALGORITHM *legacy_query(void *provctx, 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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case OSSL_OP_CIPHER:
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return legacy_ciphers;
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}
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return NULL;
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}
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static void legacy_teardown(void *provctx)
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{
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OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
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ossl_prov_ctx_free(provctx);
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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_TEARDOWN, (void (*)(void))legacy_teardown },
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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_CORE_HANDLE *handle,
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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_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
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OSSL_LIB_CTX *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_FUNC_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_FUNC_core_get_params(in);
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break;
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case OSSL_FUNC_CORE_GET_LIBCTX:
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c_get_libctx = OSSL_FUNC_core_get_libctx(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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if ((*provctx = ossl_prov_ctx_new()) == NULL
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|| (libctx = OSSL_LIB_CTX_new()) == NULL) {
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OSSL_LIB_CTX_free(libctx);
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legacy_teardown(*provctx);
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*provctx = NULL;
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return 0;
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}
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ossl_prov_ctx_set0_libctx(*provctx, libctx);
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ossl_prov_ctx_set0_handle(*provctx, handle);
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*out = legacy_dispatch_table;
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return 1;
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}
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