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39 lines
1.8 KiB
C++
39 lines
1.8 KiB
C++
// Copyright (c) 2014-2020 The Dash Core developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_MESSAGESIGNER_H
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#define BITCOIN_MESSAGESIGNER_H
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#include <key.h>
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/** Helper class for signing messages and checking their signatures
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*/
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class CMessageSigner
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{
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public:
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/// Set the private/public key values, returns true if successful
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static bool GetKeysFromSecret(const std::string& strSecret, CKey& keyRet, CPubKey& pubkeyRet);
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/// Sign the message, returns true if successful
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static bool SignMessage(const std::string& strMessage, std::vector<unsigned char>& vchSigRet, const CKey& key);
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/// Verify the message signature, returns true if successful
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static bool VerifyMessage(const CPubKey& pubkey, const std::vector<unsigned char>& vchSig, const std::string& strMessage, std::string& strErrorRet);
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/// Verify the message signature, returns true if successful
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static bool VerifyMessage(const CKeyID& keyID, const std::vector<unsigned char>& vchSig, const std::string& strMessage, std::string& strErrorRet);
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};
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/** Helper class for signing hashes and checking their signatures
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*/
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class CHashSigner
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{
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public:
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/// Sign the hash, returns true if successful
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static bool SignHash(const uint256& hash, const CKey& key, std::vector<unsigned char>& vchSigRet);
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/// Verify the hash signature, returns true if successful
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static bool VerifyHash(const uint256& hash, const CPubKey& pubkey, const std::vector<unsigned char>& vchSig, std::string& strErrorRet);
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/// Verify the hash signature, returns true if successful
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static bool VerifyHash(const uint256& hash, const CKeyID& keyID, const std::vector<unsigned char>& vchSig, std::string& strErrorRet);
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};
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#endif // BITCOIN_MESSAGESIGNER_H
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