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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:21:13 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:21:13 +0100
commit3438e5d3ddf8444f0e31009ffbe8237ef3752c22 (patch)
tree7c2f76d5e9281c130e60fb932c4dda89a49863b6 /lib/cryptopp/dh2.h
parentMoved source to src (diff)
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Diffstat (limited to 'lib/cryptopp/dh2.h')
-rw-r--r--lib/cryptopp/dh2.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/cryptopp/dh2.h b/lib/cryptopp/dh2.h
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+++ b/lib/cryptopp/dh2.h
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+#ifndef CRYPTOPP_DH2_H
+#define CRYPTOPP_DH2_H
+
+/** \file
+*/
+
+#include "cryptlib.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
+class DH2 : public AuthenticatedKeyAgreementDomain
+{
+public:
+ DH2(SimpleKeyAgreementDomain &domain)
+ : d1(domain), d2(domain) {}
+ DH2(SimpleKeyAgreementDomain &staticDomain, SimpleKeyAgreementDomain &ephemeralDomain)
+ : d1(staticDomain), d2(ephemeralDomain) {}
+
+ CryptoParameters & AccessCryptoParameters() {return d1.AccessCryptoParameters();}
+
+ unsigned int AgreedValueLength() const
+ {return d1.AgreedValueLength() + d2.AgreedValueLength();}
+
+ unsigned int StaticPrivateKeyLength() const
+ {return d1.PrivateKeyLength();}
+ unsigned int StaticPublicKeyLength() const
+ {return d1.PublicKeyLength();}
+ void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
+ {d1.GeneratePrivateKey(rng, privateKey);}
+ void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
+ {d1.GeneratePublicKey(rng, privateKey, publicKey);}
+ void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
+ {d1.GenerateKeyPair(rng, privateKey, publicKey);}
+
+ unsigned int EphemeralPrivateKeyLength() const
+ {return d2.PrivateKeyLength();}
+ unsigned int EphemeralPublicKeyLength() const
+ {return d2.PublicKeyLength();}
+ void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
+ {d2.GeneratePrivateKey(rng, privateKey);}
+ void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
+ {d2.GeneratePublicKey(rng, privateKey, publicKey);}
+ void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
+ {d2.GenerateKeyPair(rng, privateKey, publicKey);}
+
+ bool Agree(byte *agreedValue,
+ const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
+ const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
+ bool validateStaticOtherPublicKey=true) const;
+
+protected:
+ SimpleKeyAgreementDomain &d1, &d2;
+};
+
+NAMESPACE_END
+
+#endif