diff --git a/c_micasad/lss/CASACrypto.cs b/c_micasad/lss/CASACrypto.cs
index 4d94a54a..cc666875 100644
--- a/c_micasad/lss/CASACrypto.cs
+++ b/c_micasad/lss/CASACrypto.cs
@@ -44,6 +44,9 @@ namespace sscs.crypto
                                     
 				//Encrypt the data to a file            
 				FileStream fsEncrypt = new FileStream(fileName, FileMode.Create);
+#if LINUX
+                                Mono.Unix.Syscall.chmod(fileName,Mono.Unix.FilePermissions.S_IRUSR | Mono.Unix.FilePermissions.S_IWUSR);
+#endif                                
 
 				SHA256 sha = new SHA256Managed();
 				byte[] hash = sha.ComputeHash(key);
@@ -135,6 +138,9 @@ namespace sscs.crypto
              
 				//Encrypt the data to a file            
 				FileStream fsEncrypt = new FileStream(fileName, FileMode.Create);
+#if LINUX
+                                Mono.Unix.Syscall.chmod(fileName,Mono.Unix.FilePermissions.S_IRUSR | Mono.Unix.FilePermissions.S_IWUSR);
+#endif                                
 				SHA256 sha = new SHA256Managed();
 
 				byte[] hash = sha.ComputeHash(xmlData);
@@ -325,6 +331,9 @@ namespace sscs.crypto
   
 				//Encrypt the data to a file
 				FileStream fsEncrypt = new FileStream(fileName,FileMode.Create);
+#if LINUX
+                                Mono.Unix.Syscall.chmod(fileName,Mono.Unix.FilePermissions.S_IRUSR | Mono.Unix.FilePermissions.S_IWUSR);
+#endif                                
 				CryptoStream csEncrypt = new CryptoStream(fsEncrypt, encryptor, 
 					CryptoStreamMode.Write);