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https://github.com/openssl/openssl.git
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6b3d042352
Make sure we pass the provider side ctx and not the libcrypto side ctx. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/9865)
162 lines
3.9 KiB
C
162 lines
3.9 KiB
C
/*
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* Copyright 2018-2019 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright (c) 2018-2019, Oracle and/or its affiliates. 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 <stdio.h>
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#include <stdlib.h>
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#include "internal/cryptlib.h"
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#include <openssl/engine.h>
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#include <openssl/evp.h>
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#include <openssl/x509v3.h>
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#include <openssl/kdf.h>
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#include <openssl/core.h>
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#include <openssl/core_names.h>
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#include "internal/asn1_int.h"
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#include "internal/evp_int.h"
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#include "internal/numbers.h"
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#include "internal/provider.h"
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#include "evp_locl.h"
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EVP_KDF_CTX *EVP_KDF_CTX_new(EVP_KDF *kdf)
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{
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EVP_KDF_CTX *ctx = NULL;
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if (kdf == NULL)
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return NULL;
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ctx = OPENSSL_zalloc(sizeof(EVP_KDF_CTX));
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if (ctx == NULL
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|| (ctx->data = kdf->newctx(ossl_provider_ctx(kdf->prov))) == NULL
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|| !EVP_KDF_up_ref(kdf)) {
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EVPerr(EVP_F_EVP_KDF_CTX_NEW, ERR_R_MALLOC_FAILURE);
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if (ctx != NULL)
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kdf->freectx(ctx->data);
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OPENSSL_free(ctx);
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ctx = NULL;
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} else {
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ctx->meth = kdf;
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}
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return ctx;
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}
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void EVP_KDF_CTX_free(EVP_KDF_CTX *ctx)
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{
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if (ctx != NULL) {
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ctx->meth->freectx(ctx->data);
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ctx->data = NULL;
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EVP_KDF_free(ctx->meth);
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OPENSSL_free(ctx);
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}
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}
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EVP_KDF_CTX *EVP_KDF_CTX_dup(const EVP_KDF_CTX *src)
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{
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EVP_KDF_CTX *dst;
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if (src == NULL || src->data == NULL || src->meth->dupctx == NULL)
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return NULL;
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dst = OPENSSL_malloc(sizeof(*dst));
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if (dst == NULL) {
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EVPerr(EVP_F_EVP_KDF_CTX_DUP, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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memcpy(dst, src, sizeof(*dst));
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if (!EVP_KDF_up_ref(dst->meth)) {
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EVPerr(EVP_F_EVP_KDF_CTX_DUP, ERR_R_MALLOC_FAILURE);
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OPENSSL_free(dst);
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return NULL;
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}
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dst->data = src->meth->dupctx(src->data);
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if (dst->data == NULL) {
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EVP_KDF_CTX_free(dst);
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return NULL;
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}
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return dst;
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}
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const char *EVP_KDF_name(const EVP_KDF *kdf)
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{
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return kdf->name;
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}
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const OSSL_PROVIDER *EVP_KDF_provider(const EVP_KDF *kdf)
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{
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return kdf->prov;
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}
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const EVP_KDF *EVP_KDF_CTX_kdf(EVP_KDF_CTX *ctx)
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{
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return ctx->meth;
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}
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void EVP_KDF_reset(EVP_KDF_CTX *ctx)
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{
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if (ctx == NULL)
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return;
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if (ctx->meth->reset != NULL)
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ctx->meth->reset(ctx->data);
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}
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size_t EVP_KDF_size(EVP_KDF_CTX *ctx)
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{
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OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
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size_t s;
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if (ctx == NULL)
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return 0;
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*params = OSSL_PARAM_construct_size_t(OSSL_KDF_PARAM_SIZE, &s);
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if (ctx->meth->get_ctx_params != NULL
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&& ctx->meth->get_ctx_params(ctx->data, params))
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return s;
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if (ctx->meth->get_params != NULL
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&& ctx->meth->get_params(params))
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return s;
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return 0;
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}
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int EVP_KDF_derive(EVP_KDF_CTX *ctx, unsigned char *key, size_t keylen)
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{
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if (ctx == NULL)
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return 0;
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return ctx->meth->derive(ctx->data, key, keylen);
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}
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/*
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* The {get,set}_params functions return 1 if there is no corresponding
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* function in the implementation. This is the same as if there was one,
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* but it didn't recognise any of the given params, i.e. nothing in the
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* bag of parameters was useful.
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*/
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int EVP_KDF_get_params(EVP_KDF *kdf, OSSL_PARAM params[])
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{
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if (kdf->get_params != NULL)
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return kdf->get_params(params);
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return 1;
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}
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int EVP_KDF_CTX_get_params(EVP_KDF_CTX *ctx, OSSL_PARAM params[])
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{
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if (ctx->meth->get_ctx_params != NULL)
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return ctx->meth->get_ctx_params(ctx->data, params);
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return 1;
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}
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int EVP_KDF_CTX_set_params(EVP_KDF_CTX *ctx, const OSSL_PARAM params[])
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{
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if (ctx->meth->set_ctx_params != NULL)
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return ctx->meth->set_ctx_params(ctx->data, params);
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return 1;
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}
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