feat: updates

src/cmd_piv_ecdh.rs

@@ -7,7 +7,7 @@ use rust_util::util_clap::{Command, CommandError};
 use yubikey::{PinPolicy, YubiKey};
 use yubikey::piv::{AlgorithmId, decrypt_data, metadata};
 
-use crate::{cmdutil, ecdhutil, pinutil, pivutil};
+use crate::{cmdutil, ecdhutil, pinutil, pivutil, util};
 use crate::pivutil::get_algorithm_id;
 
 pub struct CommandImpl;
@@ -126,7 +126,7 @@ impl Command for CommandImpl {
         }
 
         if json_output {
-            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+            util::print_pretty_json(&json);
         }
         Ok(None)
     }