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/*
* SSL3-MAC
* (C) 1999-2004 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_SSL3_MAC_H__
#define BOTAN_SSL3_MAC_H__
#include <botan/hash.h>
#include <botan/mac.h>
namespace Botan {
/**
* A MAC only used in SSLv3. Do not use elsewhere! Use HMAC instead.
*/
class BOTAN_DLL SSL3_MAC : public MessageAuthenticationCode
{
public:
std::string name() const;
size_t output_length() const { return m_hash->output_length(); }
MessageAuthenticationCode* clone() const;
void clear();
Key_Length_Specification key_spec() const
{
return Key_Length_Specification(m_hash->output_length());
}
/**
* @param hash the underlying hash to use
*/
SSL3_MAC(HashFunction* hash);
private:
void add_data(const byte[], size_t);
void final_result(byte[]);
void key_schedule(const byte[], size_t);
std::unique_ptr<HashFunction> m_hash;
secure_vector<byte> m_ikey, m_okey;
};
}
#endif
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