mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
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57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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#ifndef CRYPTOPP_DH2_H
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#define CRYPTOPP_DH2_H
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/** \file
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*/
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#include "cryptlib.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
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class DH2 : public AuthenticatedKeyAgreementDomain
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{
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public:
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DH2(const SimpleKeyAgreementDomain &domain)
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: d1(domain), d2(domain) {}
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DH2(const SimpleKeyAgreementDomain &staticDomain, const SimpleKeyAgreementDomain &ephemeralDomain)
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: d1(staticDomain), d2(ephemeralDomain) {}
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unsigned int AgreedValueLength() const
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{return d1.AgreedValueLength() + d2.AgreedValueLength();}
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unsigned int StaticPrivateKeyLength() const
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{return d1.PrivateKeyLength();}
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unsigned int StaticPublicKeyLength() const
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{return d1.PublicKeyLength();}
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void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
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{d1.GeneratePrivateKey(rng, privateKey);}
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void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
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{d1.GeneratePublicKey(rng, privateKey, publicKey);}
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void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
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{d1.GenerateKeyPair(rng, privateKey, publicKey);}
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unsigned int EphemeralPrivateKeyLength() const
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{return d2.PrivateKeyLength();}
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unsigned int EphemeralPublicKeyLength() const
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{return d2.PublicKeyLength();}
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void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
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{d2.GeneratePrivateKey(rng, privateKey);}
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void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
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{d2.GeneratePublicKey(rng, privateKey, publicKey);}
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void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
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{d2.GenerateKeyPair(rng, privateKey, publicKey);}
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bool Agree(byte *agreedValue,
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const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
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const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
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bool validateStaticOtherPublicKey=true) const;
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protected:
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const SimpleKeyAgreementDomain &d1, &d2;
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};
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NAMESPACE_END
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#endif
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