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65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#ifndef __HANKO__
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#define __HANKO__
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// We use SECP256K1 http://www.secg.org/collateral/sec2_final.pdf
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#include "key.h"
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enum HankoFormat
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{
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TEXT, // Hanko in text form
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RAW, // Hanko in raw binary form
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CONTACT, // Hanko contact block
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};
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class Hanko
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{
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public:
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static const int smPubKeySize= 65;
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static const int smPrivKeySize = 279;
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static const int smSigSize = 57;
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private:
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std::string mHanko;
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std::vector<unsigned char> mContactBlock;
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CKey mPubKey;
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public:
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Hanko();
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Hanko(const std::string& TextHanko);
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Hanko(const std::vector<unsigned char>& Data, HankoFormat format);
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Hanko(const CKey &pubKey);
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Hanko(const Hanko &);
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std::string GetHankoString(HankoFormat format) const;
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std::vector<unsigned char> GetHankoBinary(HankoFormat format) const;
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const std::vector<unsigned char>& GetContactBlock() const { return mContactBlock; }
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const CKey& GetPublicKey() const { return mPubKey; }
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int UpdateContact(std::vector<unsigned char>& Contact);
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bool CheckHashSign(const uint256& hash, const std::vector<unsigned char>& Signature);
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bool CheckPrefixSign(const std::vector<unsigned char>& data, uint64 type,
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const std::vector<unsigned char> &signature);
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};
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class LocalHanko : public Hanko
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{
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private:
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CKey mPrivKey;
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public:
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LocalHanko(std::vector<unsigned char> &PrivKey);
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LocalHanko(const CKey &Privkey);
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LocalHanko(const LocalHanko &);
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~LocalHanko();
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bool HashSign(const uint256& hash, std::vector<unsigned char>& Signature);
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bool PrefixSign(std::vector<unsigned char> data, uint64 type, std::vector<unsigned char> &Signature);
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};
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#endif
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