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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_QUIC_CRYPTO_SCOPED_EVP_CIPHER_CTX_H_
#define NET_QUIC_CRYPTO_SCOPED_EVP_CIPHER_CTX_H_
#include <openssl/evp.h>
#include "base/logging.h"
namespace net {
// TODO(wtc): this is the same as the ScopedCipherCTX class defined in
// crypto/encryptor_openssl.cc. Eliminate the duplicate code.
// crypto::ScopedOpenSSL is not suitable for EVP_CIPHER_CTX because
// there are no EVP_CIPHER_CTX_create and EVP_CIPHER_CTX_destroy
// functions.
class ScopedEVPCipherCtx {
public:
ScopedEVPCipherCtx() {
EVP_CIPHER_CTX_init(&ctx_);
}
~ScopedEVPCipherCtx() {
int rv = EVP_CIPHER_CTX_cleanup(&ctx_);
DCHECK_EQ(rv, 1);
}
EVP_CIPHER_CTX* get() { return &ctx_; }
private:
EVP_CIPHER_CTX ctx_;
};
} // namespace net
#endif // NET_QUIC_CRYPTO_SCOPED_EVP_CIPHER_CTX_H_
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