write all to encrypted file instead

crypt/src/main.rs

@@ -22,9 +22,8 @@ fn main() -> std::io::Result<()> {
     let fname = args.get(1).unwrap();
     let plaintext_bytes = read(fname).expect("Failed to read file");
 
-    // Create output files with consistent naming
-    let mut encrypted_file = File::create("encrypted_Input.bin")?;
-    let mut metadata_file = File::create("decryption_metadata.bin")?;
+    // Create single output file
+    let mut output_file = File::create("encrypted_dll.dll")?;
 
     // Master password (in production, this should be securely provided)
     let master_password = "YourSecureMasterPassword123!"; // Change this!
@@ -72,17 +71,14 @@ fn main() -> std::io::Result<()> {
         ciphertext.extend_from_slice(&block);
     }
 
-    // Write encrypted data
-    encrypted_file.write_all(&ciphertext)?;
-
-    // Write metadata for external decryption
-    metadata_file.write_all(&salt)?;
-    metadata_file.write_all(&iv)?;
-    metadata_file.write_all(&(ciphertext.len() as u32).to_le_bytes())?;
+    // Write metadata first, then encrypted data
+    output_file.write_all(&salt)?;
+    output_file.write_all(&iv)?;
+    output_file.write_all(&(ciphertext.len() as u32).to_le_bytes())?;
+    output_file.write_all(&ciphertext)?;
     
     println!("Encryption complete!");
-    println!("Encrypted file: encrypted_Input.bin");
-    println!("Metadata file: decryption_metadata.bin");
+    println!("Encrypted DLL: encrypted_dll.dll");
     println!("Master password: {}", master_password);
     Ok(())
 }