From 6c42969d01e855cc7959f14e0782e8dbf4fc0718 Mon Sep 17 00:00:00 2001
From: "Ryan X. Charles" <ryan@bitpay.com>
Date: Tue, 16 Sep 2014 11:44:51 -0700
Subject: [PATCH] improve error message

---
 lib/ecdsa.js  | 2 +-
 test/ecdsa.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ecdsa.js b/lib/ecdsa.js
index f33ea51..ddb4af6 100644
--- a/lib/ecdsa.js
+++ b/lib/ecdsa.js
@@ -114,7 +114,7 @@ ECDSA.prototype.sig2pubkey = function() {
 
 ECDSA.prototype.sigError = function() {
   if (!Buffer.isBuffer(this.hashbuf) || this.hashbuf.length !== 32)
-    return 'Invalid hash';
+    return 'hashbuf must be a 32 byte buffer';
 
   try {
     this.keypair.pubkey.validate();
diff --git a/test/ecdsa.js b/test/ecdsa.js
index bf04979..5de755e 100644
--- a/test/ecdsa.js
+++ b/test/ecdsa.js
@@ -105,7 +105,7 @@ describe("ECDSA", function() {
 
     it('should return an error if the hash is invalid', function() {
       var ecdsa = new ECDSA();
-      ecdsa.sigError().should.equal('Invalid hash');
+      ecdsa.sigError().should.equal('hashbuf must be a 32 byte buffer');
     });
 
     it('should return an error if the pubkey is invalid', function() {