From 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 Mon Sep 17 00:00:00 2001
From: Alexander Harkness <bearbin@gmail.com>
Date: Sun, 24 Nov 2013 14:21:13 +0000
Subject: move cryptopp into lib

---
 lib/cryptopp/dh2.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 lib/cryptopp/dh2.h

(limited to 'lib/cryptopp/dh2.h')

diff --git a/lib/cryptopp/dh2.h b/lib/cryptopp/dh2.h
new file mode 100644
index 000000000..af9d342d6
--- /dev/null
+++ b/lib/cryptopp/dh2.h
@@ -0,0 +1,58 @@
+#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
-- 
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