Added core code for pgphash calculations.

- Reworked GxsIdGroup members... moved IdType -> groupFlags, so Hash & Sign are only ones.
 - Reworked GroupServiceString storage.
 - Added core processing functions - yet to test!



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5777 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/util/rsid.h

@@ -25,6 +25,9 @@
 // Warning: never store references to a t_RsGenericIdType accross threads, since the 
 // 			cached string convertion is not thread safe.
 //
+
+#pragma once
+
 #include <stdexcept>
 #include <string>
 
@@ -60,6 +63,14 @@ template<uint32_t ID_SIZE_IN_BYTES> class t_RsGenericIdType
 			return !operator==(fp) ;
 		}
 
+		bool operator<(const t_RsGenericIdType<ID_SIZE_IN_BYTES>& fp) const
+		{
+			for(uint32_t i=0;i<ID_SIZE_IN_BYTES;++i)
+				if(fp.bytes[i] != bytes[i])
+					return (bytes[i] < fp.bytes[i]);
+			return false;
+		}
+
 	private:
 		unsigned char bytes[ID_SIZE_IN_BYTES] ;
 };