From 5f912bdeae0d2f95b5be972bc1dea02c0d373dc0 Mon Sep 17 00:00:00 2001
From: Steven Roose <steven@stevenroose.org>
Date: Mon, 22 Oct 2018 00:06:46 +0100
Subject: [PATCH] Implement Debug for PrivKey

It returns a fixed string to prevent accidental data leakage.
---
 src/util/privkey.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util/privkey.rs b/src/util/privkey.rs
index d622be79..65c1c568 100644
--- a/src/util/privkey.rs
+++ b/src/util/privkey.rs
@@ -153,6 +153,12 @@ impl fmt::Display for Privkey {
     }
 }
 
+impl fmt::Debug for Privkey {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "[private key data]")
+    }
+}
+
 impl FromStr for Privkey {
     type Err = encode::Error;
     fn from_str(s: &str) -> Result<Privkey, encode::Error> {