Source: ../../libxipc/hmac.hh
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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// Copyright (c) 2001,2002 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.
// $XORP: xorp/libxipc/hmac.hh,v 1.1.1.1 2002/12/11 23:56:03 hodson Exp $
#ifndef __LIBXORP_HMAC_HH_HH__
#define __LIBXORP_HMAC_HH_HH__
#include <string>
#include "hmac_md5.h"
class HMAC {
public:
HMAC(const string& key) : _key(key) {}
virtual ~HMAC() {}
virtual size_t signature_size() const = 0;
virtual const string signature(const string& message) const = 0;
inline const string& key() const { return _key; }
virtual HMAC* clone() const = 0;
protected:
const string _key;
};
class HMACMD5 : public HMAC {
public:
HMACMD5(const string& key) : HMAC(key) {}
~HMACMD5() {}
size_t signature_size() const { return SIG_SZ; }
const string signature(const string& message) const;
virtual HMAC* clone() const {
return new HMACMD5(key());
}
protected:
inline uint32_t d8tod32(uint8_t a, uint8_t b, uint8_t c, uint8_t d) const {
return (a << 24) | (b << 16) | (c << 8) | d;
}
static const char* SIG;
static const size_t SIG_SZ;
};
#endif // __LIBXORP_HMAC_HH_HH__
Generated by: pavlin on possum.icir.org on Wed Dec 11 16:50:42 2002, using kdoc 2.0a54+XORP. |