HMAC.hpp

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#ifndef _HMAC_HPP_INCLUDED
#define _HMAC_HPP_INCLUDED

#include <string>
#include "HMAC.h"

namespace _Wolframe {
namespace crypto {

class HMAC_SHA1
{
public:
        HMAC_SHA1( const unsigned char* key, size_t keySize,
                   const unsigned char* msg, size_t msgSize )
                                        { hmac_sha1( key, keySize,
                                                     msg, msgSize, m_HMAC ); }
        HMAC_SHA1( const std::string& key, const std::string& message )
                                        { hmac_sha1( (const unsigned char*)key.data(), key.size(),
                                                     (const unsigned char*)message.data(), message.size(),
                                                     m_HMAC ); }
        HMAC_SHA1( const unsigned char* key, size_t keySize, const std::string& message )
                                        { hmac_sha1( key, keySize,
                                                     (const unsigned char*)message.data(), message.size(),
                                                     m_HMAC ); }
        HMAC_SHA1( const std::string& key, const unsigned char* msg, size_t msgSize )
                                        { hmac_sha1( (const unsigned char*)key.data(), key.size(),
                                                     msg, msgSize, m_HMAC ); }

        HMAC_SHA1( const std::string& str );

        const unsigned char* hash() const                       { return m_HMAC; }
        std::size_t size() const                                { return HMAC_SHA1_HASH_SIZE; }

        bool operator == ( const HMAC_SHA1& rhs ) const;
        bool operator != ( const HMAC_SHA1& rhs ) const { return !( *this == rhs ); }

        bool operator == ( const std::string& rhs ) const;
        bool operator != ( const std::string& rhs ) const       { return !( *this == rhs ); }

        std::string toBCD() const;
        std::string toString() const;
private:
        unsigned char   m_HMAC[ HMAC_SHA1_HASH_SIZE ];
};


class HMAC_SHA256
{
public:
        HMAC_SHA256( const unsigned char* key, size_t keySize,
                     const unsigned char* msg, size_t msgSize )
                                        { hmac_sha256( key, keySize,
                                                       msg, msgSize, m_HMAC ); }
        HMAC_SHA256( const std::string& key, const std::string& message )
                                        { hmac_sha256( (const unsigned char*)key.data(), key.size(),
                                                       (const unsigned char*)message.data(), message.size(),
                                                       m_HMAC ); }
        HMAC_SHA256( const unsigned char* key, size_t keySize, const std::string& message )
                                        { hmac_sha256( key, keySize,
                                                       (const unsigned char*)message.data(), message.size(),
                                                       m_HMAC ); }
        HMAC_SHA256( const std::string& key, const unsigned char* msg, size_t msgSize )
                                        { hmac_sha256( (const unsigned char*)key.data(), key.size(),
                                                       msg, msgSize, m_HMAC ); }

        HMAC_SHA256( const std::string& str );

        const unsigned char* hash() const                       { return m_HMAC; }
        std::size_t size() const                                { return HMAC_SHA256_HASH_SIZE; }

        bool operator == ( const HMAC_SHA256& rhs ) const;
        bool operator != ( const HMAC_SHA256& rhs ) const       { return !( *this == rhs ); }

        bool operator == ( const std::string& rhs ) const;
        bool operator != ( const std::string& rhs ) const       { return !( *this == rhs ); }

        std::string toBCD() const;
        std::string toString() const;
private:
        unsigned char   m_HMAC[ HMAC_SHA256_HASH_SIZE ];
};

}} // namespace _Wolframe::crypto

#endif // _HMAC_HPP_INCLUDED