feat: add rand, update decrypt

src/cmd_decrypt.rs

@@ -33,6 +33,7 @@ pub struct CmdDecrypt {
 }
 
 pub fn decrypt(cmd_decrypt: CmdDecrypt) -> XResult<()> {
+    debugging!("Cmd decrypt: {:?}", cmd_decrypt);
     for path in &cmd_decrypt.paths {
         match decrypt_single(path, &cmd_decrypt.pin, &cmd_decrypt.slot) {
             Ok(_) => success!("Decrypt {} succeed", path.to_str().unwrap_or("N/A")),