Add crypto/ directory.

crypto/CryptoConst.h

@@ -0,0 +1,38 @@
+#ifndef CRYPTO_CONST_H__
+#define CRYPTO_CONST_H__
+
+#include <cryptopp/integer.h>
+
+namespace i2p
+{
+namespace crypto
+{
+    struct CryptoConstants
+    {
+        // DH/ElGamal
+        const CryptoPP::Integer elgp;
+        const CryptoPP::Integer elgg; 
+
+        // DSA
+        const CryptoPP::Integer dsap;       
+        const CryptoPP::Integer dsaq;
+        const CryptoPP::Integer dsag;           
+    };  
+    
+    const CryptoConstants& GetCryptoConstants ();
+    
+    // DH/ElGamal   
+    #define elgp GetCryptoConstants ().elgp
+    #define elgg GetCryptoConstants ().elgg
+
+    // DSA
+    #define dsap GetCryptoConstants ().dsap 
+    #define dsaq GetCryptoConstants ().dsaq
+    #define dsag GetCryptoConstants ().dsag 
+
+    // RSA
+    const int rsae = 65537; 
+}       
+}   
+
+#endif