diff --git a/src/lib/synergy/CCryptoMode.cpp b/src/lib/io/CCryptoMode.cpp
similarity index 98%
rename from src/lib/synergy/CCryptoMode.cpp
rename to src/lib/io/CCryptoMode.cpp
index dcc5b1ac..7ea74235 100644
--- a/src/lib/synergy/CCryptoMode.cpp
+++ b/src/lib/io/CCryptoMode.cpp
@@ -16,7 +16,7 @@
 */
 
 #include "CCryptoMode.h"
-#include "XSynergy.h"
+#include "XIO.h"
 
 using namespace CryptoPP;
 
@@ -47,7 +47,7 @@ CCryptoMode::CCryptoMode(ECryptoMode mode, bool encryption) :
 			break;
 
 		default:
-			throw XBadCryptoMode();
+			throw XIOBadCryptoMode();
 		}
 	}
 	else {
@@ -72,7 +72,7 @@ CCryptoMode::CCryptoMode(ECryptoMode mode, bool encryption) :
 			break;
 
 		default:
-			throw XBadCryptoMode();
+			throw XIOBadCryptoMode();
 		}
 	}
 }
diff --git a/src/lib/synergy/CCryptoMode.h b/src/lib/io/CCryptoMode.h
similarity index 100%
rename from src/lib/synergy/CCryptoMode.h
rename to src/lib/io/CCryptoMode.h
diff --git a/src/lib/synergy/CCryptoOptions.cpp b/src/lib/io/CCryptoOptions.cpp
similarity index 96%
rename from src/lib/synergy/CCryptoOptions.cpp
rename to src/lib/io/CCryptoOptions.cpp
index 54a02bdd..175a67d0 100644
--- a/src/lib/synergy/CCryptoOptions.cpp
+++ b/src/lib/io/CCryptoOptions.cpp
@@ -16,7 +16,7 @@
  */
 
 #include "CCryptoOptions.h"
-#include "XSynergy.h"
+#include "XIO.h"
 
 CCryptoOptions::CCryptoOptions(
 		const CString& modeString,
@@ -49,6 +49,6 @@ CCryptoOptions::parseMode(CString modeString)
 		return kGcm;
 	}
 	else {
-		throw XBadCryptoMode();
+		throw XIOBadCryptoMode();
 	}
 }
diff --git a/src/lib/synergy/CCryptoOptions.h b/src/lib/io/CCryptoOptions.h
similarity index 100%
rename from src/lib/synergy/CCryptoOptions.h
rename to src/lib/io/CCryptoOptions.h
diff --git a/src/lib/synergy/CCryptoStream.cpp b/src/lib/io/CCryptoStream.cpp
similarity index 100%
rename from src/lib/synergy/CCryptoStream.cpp
rename to src/lib/io/CCryptoStream.cpp
diff --git a/src/lib/synergy/CCryptoStream.h b/src/lib/io/CCryptoStream.h
similarity index 100%
rename from src/lib/synergy/CCryptoStream.h
rename to src/lib/io/CCryptoStream.h
diff --git a/src/lib/io/CMakeLists.txt b/src/lib/io/CMakeLists.txt
index dc345aa8..1215fceb 100644
--- a/src/lib/io/CMakeLists.txt
+++ b/src/lib/io/CMakeLists.txt
@@ -20,6 +20,10 @@ set(inc
 	IStream.h
 	IStreamFilterFactory.h
 	XIO.h
+	CCryptoStream.h
+	CCryptoMode.h
+	ECryptoMode.h
+	CCryptoOptions.h
 )
 
 set(src
@@ -27,6 +31,9 @@ set(src
 	CStreamFilter.cpp
 	IStream.cpp
 	XIO.cpp
+	CCryptoStream.cpp
+	CCryptoMode.cpp
+	CCryptoOptions.cpp
 )
 
 if (WIN32)
@@ -37,6 +44,8 @@ set(inc
 	../arch
 	../base
 	../common
+	../..
+	../../../tools
 )
 
 if (UNIX)
@@ -47,3 +56,7 @@ endif()
 
 include_directories(${inc})
 add_library(io STATIC ${src})
+
+if (UNIX)
+	target_link_libraries(io cryptopp)
+endif()
diff --git a/src/lib/synergy/ECryptoMode.h b/src/lib/io/ECryptoMode.h
similarity index 100%
rename from src/lib/synergy/ECryptoMode.h
rename to src/lib/io/ECryptoMode.h
diff --git a/src/lib/io/XIO.cpp b/src/lib/io/XIO.cpp
index 6ed9105f..219ec25a 100644
--- a/src/lib/io/XIO.cpp
+++ b/src/lib/io/XIO.cpp
@@ -49,3 +49,13 @@ XIOWouldBlock::getWhat() const throw()
 {
 	return format("XIOWouldBlock", "stream operation would block");
 }
+
+
+//
+// XBadCryptoMode
+//
+CString
+XIOBadCryptoMode::getWhat() const throw()
+{
+	return "XBadCryptoMode";
+}
diff --git a/src/lib/io/XIO.h b/src/lib/io/XIO.h
index 4525331f..6d02e3a8 100644
--- a/src/lib/io/XIO.h
+++ b/src/lib/io/XIO.h
@@ -49,4 +49,10 @@ Thrown if an operation on a stream would block.
 */
 XBASE_SUBCLASS_WHAT(XIOWouldBlock, XIO);
 
+//! I/O bad crypto mode exception
+/*!
+Thrown when the user enters an invalid crypto mode.
+*/
+XBASE_SUBCLASS_WHAT(XIOBadCryptoMode, XIO);
+
 #endif
diff --git a/src/lib/synergy/CMakeLists.txt b/src/lib/synergy/CMakeLists.txt
index 49e31a39..b775f70a 100644
--- a/src/lib/synergy/CMakeLists.txt
+++ b/src/lib/synergy/CMakeLists.txt
@@ -50,10 +50,6 @@ set(inc
 	IAppUtil.h
 	CEventGameDevice.h
 	CVncClient.h
-	CCryptoStream.h
-	CCryptoMode.h
-	ECryptoMode.h
-	CCryptoOptions.h
 )
 
 set(src
@@ -84,10 +80,7 @@ set(src
 	CArgsBase.cpp
 	CEventGameDevice.cpp
 	CVncClient.cpp
-	CGameDevice.cpp
-	CCryptoStream.cpp
-	CCryptoMode.cpp
-	CCryptoOptions.cpp
+	CGameDevice.cpp
 )
 
 if (WIN32)
@@ -136,5 +129,5 @@ include_directories(${inc})
 add_library(synergy STATIC ${src})
 
 if (UNIX)
-	target_link_libraries(synergy arch client ipc net base platform mt server cryptopp)
+	target_link_libraries(synergy arch client ipc net base platform mt server)
 endif()
diff --git a/src/lib/synergy/XSynergy.cpp b/src/lib/synergy/XSynergy.cpp
index 12738614..e42cd43d 100644
--- a/src/lib/synergy/XSynergy.cpp
+++ b/src/lib/synergy/XSynergy.cpp
@@ -29,15 +29,6 @@ XBadClient::getWhat() const throw()
 	return "XBadClient";
 }
 
-//
-// XBadCryptoMode
-//
-CString
-XBadCryptoMode::getWhat() const throw()
-{
-	return "XBadCryptoMode";
-}
-
 
 //
 // XIncompatibleClient
diff --git a/src/lib/synergy/XSynergy.h b/src/lib/synergy/XSynergy.h
index 9fcf49fb..ca763475 100644
--- a/src/lib/synergy/XSynergy.h
+++ b/src/lib/synergy/XSynergy.h
@@ -30,12 +30,6 @@ Thrown when the client fails to follow the protocol.
 */
 XBASE_SUBCLASS_WHAT(XBadClient, XSynergy);
 
-//! Bad crypto mode
-/*!
-Thrown when the user enters an invalid crypto mode.
-*/
-XBASE_SUBCLASS_WHAT(XBadCryptoMode, XSynergy);
-
 //! Incompatible client exception
 /*!
 Thrown when a client attempting to connect has an incompatible version.