passwordHash.hpp

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//

#ifndef _PASSWORD_HPP_INCLUDED
#define _PASSWORD_HPP_INCLUDED

#include <string>
#include <system/randomGenerator.hpp>

namespace _Wolframe {
namespace AAAA {

static const size_t PASSWORD_HASH_SIZE = 384 / 8;
static const size_t PASSWORD_SALT_SIZE = 128 / 8;

class PasswordHash
{
public:
        class Salt
        {
                friend class PasswordHash;
        public:
                Salt();
                Salt( const crypto::RandomGenerator& rndGen );
                Salt( const unsigned char* data, size_t bytes );
                Salt( const std::string& str );

                ~Salt();

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

                size_t size() const                     { return m_size; }
                const unsigned char* salt() const       { return m_salt; }

                std::string toBCD() const;
                std::string toString() const;
        private:
                std::size_t     m_size;
                unsigned char   m_salt[ PASSWORD_SALT_SIZE ];
        };

        class Hash
        {
                friend class PasswordHash;
        public:
                Hash();
                Hash( const unsigned char* data, size_t bytes );
                Hash( const std::string& str );

                ~Hash();

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

                size_t size() const                     { return PASSWORD_HASH_SIZE; }
                const unsigned char* hash() const       { return m_hash; }

                std::string toBCD() const;
                std::string toString() const;
        private:
                unsigned char   m_hash[ PASSWORD_HASH_SIZE ];
        };

        PasswordHash()                  {}

        PasswordHash( const crypto::RandomGenerator& rndGen, const std::string& password );

        PasswordHash( const unsigned char* pwdSalt, size_t bytes, const std::string& password );

        PasswordHash( const Salt& pwdSalt, const std::string& password );

        PasswordHash( const std::string& pwdSalt, const std::string& password );

        PasswordHash( const std::string& str );

        const Salt& salt() const        { return m_salt; }

        const Hash& hash() const        { return m_hash; }

        std::string toBCD() const;
        std::string toString() const;

private:
        Hash    m_hash;
        Salt    m_salt;
};

}} // namespace _Wolframe::AAAA

#endif  // _PASSWORD_HPP_INCLUDED