signed_data.h

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/*
-------------------------------------------------------------------------------
                            PLEBBLE
-------------------------------------------------------------------------------
 Copyright (C) 2019-2020 KATLAS Technology. (http://katlastechnology.com)
 Copyright (C) 2017-2020 Marcos Mayorga. (mm@mm-studios.com)
 
 This file is part of our Plebble(R) Platform.
 
 The code below cannot be copied, used for any purpose other than the one
 agreed and/or distributed without the express permission of
 KATLAS Technology.
-------------------------------------------------------------------------------
 
 
*/
#ifndef USGOV_7e890654e98bf7c2878b37b6916dcb394f32fdcde3e1c8e0ac04dfd8d224f02c
#define USGOV_7e890654e98bf7c2878b37b6916dcb394f32fdcde3e1c8e0ac04dfd8d224f02c
 
#include <us/gov/crypto/hash.h>
#include <us/gov/crypto/ec.h>
#include <us/gov/crypto/ripemd160.h>
#include <string>
 
namespace us { namespace gov {
namespace engine {
    using namespace std;
 
    struct signed_data {
        typedef crypto::ec::keys keys;
        typedef keys::pub_t pubkey_t;
        typedef us::gov::crypto::ripemd160 ripemd160;
        typedef crypto::ec::sigmsg_hasher_t sigmsg_hasher_t;
 
        virtual ~signed_data() {}
        virtual void hash_data_to_sign(sigmsg_hasher_t&) const=0;
        virtual void hash_data(ripemd160&) const=0;
        virtual void to_stream(ostream&) const;
        virtual bool verify(ostream&) const;
        virtual void write_pretty(ostream& os) const;
        virtual bool from_stream2(istream&) { return false; }
 
 
        void sign(const crypto::ec::keys&);
        ripemd160::value_type hash() const;
 
        static void from_stream(signed_data&, istream&);
        static void from_stream_prev(signed_data&, istream&);
        static void skip(istream&);
 
        pubkey_t pubkey;
        string signature;
    };
 
}}
}
 
#endif