move cryptopp into lib

lib/cryptopp/dh2.cpp

@@ -0,0 +1,22 @@
+// dh2.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+#include "dh2.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void DH2_TestInstantiations()
+{
+	DH2 dh(*(SimpleKeyAgreementDomain*)NULL);
+}
+
+bool DH2::Agree(byte *agreedValue,
+		const byte *staticSecretKey, const byte *ephemeralSecretKey, 
+		const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
+		bool validateStaticOtherPublicKey) const
+{
+	return d1.Agree(agreedValue, staticSecretKey, staticOtherPublicKey, validateStaticOtherPublicKey)
+		&& d2.Agree(agreedValue+d1.AgreedValueLength(), ephemeralSecretKey, ephemeralOtherPublicKey, true);
+}
+
+NAMESPACE_END