dash/src/messagesigner.h
PastaPastaPasta d931cb723e Update copyright date (2019) (#2970)
Signed-off-by: Pasta <Pasta@dash.org>
2019-06-11 14:46:07 +03:00

39 lines
1.8 KiB
C++

// Copyright (c) 2014-2019 The Dash Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef MESSAGESIGNER_H
#define MESSAGESIGNER_H
#include "key.h"
/** Helper class for signing messages and checking their signatures
*/
class CMessageSigner
{
public:
/// Set the private/public key values, returns true if successful
static bool GetKeysFromSecret(const std::string& strSecret, CKey& keyRet, CPubKey& pubkeyRet);
/// Sign the message, returns true if successful
static bool SignMessage(const std::string& strMessage, std::vector<unsigned char>& vchSigRet, const CKey& key);
/// Verify the message signature, returns true if succcessful
static bool VerifyMessage(const CPubKey& pubkey, const std::vector<unsigned char>& vchSig, const std::string& strMessage, std::string& strErrorRet);
/// Verify the message signature, returns true if succcessful
static bool VerifyMessage(const CKeyID& keyID, const std::vector<unsigned char>& vchSig, const std::string& strMessage, std::string& strErrorRet);
};
/** Helper class for signing hashes and checking their signatures
*/
class CHashSigner
{
public:
/// Sign the hash, returns true if successful
static bool SignHash(const uint256& hash, const CKey& key, std::vector<unsigned char>& vchSigRet);
/// Verify the hash signature, returns true if succcessful
static bool VerifyHash(const uint256& hash, const CPubKey& pubkey, const std::vector<unsigned char>& vchSig, std::string& strErrorRet);
/// Verify the hash signature, returns true if succcessful
static bool VerifyHash(const uint256& hash, const CKeyID& keyID, const std::vector<unsigned char>& vchSig, std::string& strErrorRet);
};
#endif