diff --git a/OpenVPN Adapter.xcodeproj/project.pbxproj b/OpenVPN Adapter.xcodeproj/project.pbxproj
index d47273c..fa95b36 100644
--- a/OpenVPN Adapter.xcodeproj/project.pbxproj	
+++ b/OpenVPN Adapter.xcodeproj/project.pbxproj	
@@ -9,6 +9,10 @@
 /* Begin PBXBuildFile section */
 		C90BAD311E73FF6C00DEFB32 /* SystemConfiguration.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = C90BAD301E73FF6C00DEFB32 /* SystemConfiguration.framework */; };
 		C912BB251E7C3339002B9414 /* NetworkExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = C912BB241E7C3339002B9414 /* NetworkExtension.framework */; };
+		C915F1F41F612F3300B3DF23 /* OpenVPNPrivateKey.h in Headers */ = {isa = PBXBuildFile; fileRef = C915F1F21F612F3300B3DF23 /* OpenVPNPrivateKey.h */; };
+		C915F1F51F612F3300B3DF23 /* OpenVPNPrivateKey.h in Headers */ = {isa = PBXBuildFile; fileRef = C915F1F21F612F3300B3DF23 /* OpenVPNPrivateKey.h */; };
+		C915F1F61F612F3300B3DF23 /* OpenVPNPrivateKey.m in Sources */ = {isa = PBXBuildFile; fileRef = C915F1F31F612F3300B3DF23 /* OpenVPNPrivateKey.m */; };
+		C915F1F71F612F3300B3DF23 /* OpenVPNPrivateKey.m in Sources */ = {isa = PBXBuildFile; fileRef = C915F1F31F612F3300B3DF23 /* OpenVPNPrivateKey.m */; };
 		C9354F451F1E4A4500F4C935 /* OpenVPNReachabilityStatus.h in Headers */ = {isa = PBXBuildFile; fileRef = C9B795681F1D219C00CF35FE /* OpenVPNReachabilityStatus.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		C9354F461F1E4A4600F4C935 /* OpenVPNReachabilityStatus.h in Headers */ = {isa = PBXBuildFile; fileRef = C9B795681F1D219C00CF35FE /* OpenVPNReachabilityStatus.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		C9354F471F1E4AE200F4C935 /* OpenVPNReachabilityTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = C9354F431F1E49A500F4C935 /* OpenVPNReachabilityTests.swift */; };
@@ -165,6 +169,8 @@
 		C90BAD2F1E73FA7400DEFB32 /* Tests.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Tests.xcconfig; sourceTree = "<group>"; };
 		C90BAD301E73FF6C00DEFB32 /* SystemConfiguration.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SystemConfiguration.framework; path = System/Library/Frameworks/SystemConfiguration.framework; sourceTree = SDKROOT; };
 		C912BB241E7C3339002B9414 /* NetworkExtension.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = NetworkExtension.framework; path = System/Library/Frameworks/NetworkExtension.framework; sourceTree = SDKROOT; };
+		C915F1F21F612F3300B3DF23 /* OpenVPNPrivateKey.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OpenVPNPrivateKey.h; sourceTree = "<group>"; };
+		C915F1F31F612F3300B3DF23 /* OpenVPNPrivateKey.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OpenVPNPrivateKey.m; sourceTree = "<group>"; };
 		C9354F431F1E49A500F4C935 /* OpenVPNReachabilityTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OpenVPNReachabilityTests.swift; sourceTree = "<group>"; };
 		C93779D31EAE32670030A362 /* OpenVPNCredentials.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OpenVPNCredentials.h; sourceTree = "<group>"; };
 		C93779D41EAE32670030A362 /* OpenVPNCredentials.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = OpenVPNCredentials.mm; sourceTree = "<group>"; };
@@ -506,6 +512,8 @@
 			children = (
 				C9CA4DD11F602F7B00C4F184 /* OpenVPNCertificate.h */,
 				C9CA4DD21F602F7B00C4F184 /* OpenVPNCertificate.m */,
+				C915F1F21F612F3300B3DF23 /* OpenVPNPrivateKey.h */,
+				C915F1F31F612F3300B3DF23 /* OpenVPNPrivateKey.m */,
 			);
 			name = "Certificates and Keys";
 			sourceTree = "<group>";
@@ -556,6 +564,7 @@
 				C9657A5E1EB0D60700EFF210 /* OpenVPNTransportProtocol.h in Headers */,
 				C9657A1D1EB0A8D800EFF210 /* OpenVPNConnectionInfo+Internal.h in Headers */,
 				C9B7955E1F1D16AA00CF35FE /* OpenVPNReachability.h in Headers */,
+				C915F1F41F612F3300B3DF23 /* OpenVPNPrivateKey.h in Headers */,
 				C9657A171EB0A7F800EFF210 /* OpenVPNConnectionInfo.h in Headers */,
 				C9BB47811E7173C700F3F98C /* OpenVPNAdapter+Public.h in Headers */,
 				C9BB47711E7171A100F3F98C /* OpenVPNError.h in Headers */,
@@ -599,6 +608,7 @@
 				C9657A5F1EB0D60700EFF210 /* OpenVPNTransportProtocol.h in Headers */,
 				C9657A1E1EB0A8D800EFF210 /* OpenVPNConnectionInfo+Internal.h in Headers */,
 				C9B7955F1F1D16AA00CF35FE /* OpenVPNReachability.h in Headers */,
+				C915F1F51F612F3300B3DF23 /* OpenVPNPrivateKey.h in Headers */,
 				C9657A181EB0A7F800EFF210 /* OpenVPNConnectionInfo.h in Headers */,
 				C9D2ABE71EA20F99007EDF9D /* OpenVPNAdapter+Public.h in Headers */,
 				C9D2ABE81EA20F99007EDF9D /* OpenVPNError.h in Headers */,
@@ -825,6 +835,7 @@
 				C9B795661F1D182500CF35FE /* OpenVPNReachabilityTracker.mm in Sources */,
 				C9657A581EB0CE1300EFF210 /* OpenVPNProperties.mm in Sources */,
 				C9CA4DD51F602F7B00C4F184 /* OpenVPNCertificate.m in Sources */,
+				C915F1F61F612F3300B3DF23 /* OpenVPNPrivateKey.m in Sources */,
 				C9BB477A1E7171ED00F3F98C /* OpenVPNClient.mm in Sources */,
 				C9FD921B1E9A667600374FC4 /* ovpncli.cpp in Sources */,
 				C9657A361EB0BA3900EFF210 /* OpenVPNInterfaceStats.mm in Sources */,
@@ -861,6 +872,7 @@
 				C9B795671F1D182500CF35FE /* OpenVPNReachabilityTracker.mm in Sources */,
 				C9657A591EB0CE1400EFF210 /* OpenVPNProperties.mm in Sources */,
 				C9CA4DD61F602F7B00C4F184 /* OpenVPNCertificate.m in Sources */,
+				C915F1F71F612F3300B3DF23 /* OpenVPNPrivateKey.m in Sources */,
 				C9D2ABDC1EA20F99007EDF9D /* OpenVPNClient.mm in Sources */,
 				C9D2ABDE1EA20F99007EDF9D /* ovpncli.cpp in Sources */,
 				C9657A371EB0BA3900EFF210 /* OpenVPNInterfaceStats.mm in Sources */,