added source folders

Src/Common/rosecrypt.hpp

@@ -0,0 +1,50 @@
+#ifndef __ROSE_SERVER__CRYPTION_ROUTINES__HEADER_FILE__
+#define __ROSE_SERVER__CRYPTION_ROUTINES__HEADER_FILE__
+//#define USE124
+//-------------------------------------------------------------------------
+// This structure contains generated tables, which are needed to
+// encrypt and decrypt packets.
+//-------------------------------------------------------------------------
+struct CCryptTable
+{
+	unsigned**			Tables;							// Main encryption table
+	unsigned short*		AddTable;						// Less important encryption table
+
+	unsigned			EncryptionStartValue;			// Start value for sending clients	
+};
+
+//-------------------------------------------------------------------------
+// This structure contains informations about current encrypt-values.
+// Startvalues should be "EncryptionStartValue" from the CCryptTable for
+// CurEncryptionValue and zero for CurAddValue.
+// * This values changes every incoming encryption.
+//-------------------------------------------------------------------------
+struct CCryptStatus
+{
+	unsigned			CurEncryptionValue;				// Current encryption value
+	unsigned			CurAddValue;					// Current additional value
+};
+
+//-------------------------------------------------------------------------
+// Functions, used to generate and delete CryptTables
+//-------------------------------------------------------------------------
+void GenerateCryptTables			( CCryptTable* &CryptTables, unsigned ModValue );
+void GenerateLoginServerCryptTables	( CCryptTable* &CryptTables );
+void FreeCryptTables				( CCryptTable* &CryptTables );
+
+//-------------------------------------------------------------------------
+// Functions, used to decrypt/encrypt a buffer - serverside
+//-------------------------------------------------------------------------
+int  DecryptBufferHeader			( CCryptStatus *ri, CCryptTable *CryptTables, unsigned char *Buffer );
+bool DecryptBufferData				( CCryptTable *CryptTables, unsigned char *Buffer );
+void EncryptBuffer					( CCryptTable *CryptTables, unsigned char *Buffer );
+bool CryptISCPak( unsigned char* pak ); // Raven0123
+//-------------------------------------------------------------------------
+#ifndef USE124
+#define TABLE_SIZE	(256+8)
+
+int buildChecksum(char* csum, char* path=0);
+void buildCryptTable(char* crypttable, char* checksum, int checksumlen);
+void cryptPacket(char *packet, char *crypttable);
+#endif
+#endif