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/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <dpl/noncopyable.h>
#include <dpl/exception.h>
#include <ckm/ckm-type.h>
/*
* Taken from openssl/ossl_typ.h
*/
struct env_md_ctx_st;
typedef env_md_ctx_st EVP_MD_CTX;
struct env_md_st;
typedef env_md_st EVP_MD;
namespace CKM {
class Digest : public CKM::Noncopyable
{
public:
class Exception
{
public:
DECLARE_EXCEPTION_TYPE(CKM::Exception, Base)
DECLARE_EXCEPTION_TYPE(Base, InternalError)
};
Digest();
~Digest();
void append(const RawBuffer &data, std::size_t len = 0);
RawBuffer finalize(void);
RawBuffer get(void);
void reset(void);
unsigned int length(void);
private:
EVP_MD_CTX *m_ctx;
const EVP_MD *m_md;
RawBuffer m_digest;
bool m_initialized;
bool m_finalized;
};
} // namespace CKM
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