From de25fb5e53a1ec363e7a1f3b4b45d6005bc54d00 Mon Sep 17 00:00:00 2001
From: NoelBright <noel.n.bright@gmail.com>
Date: Thu, 15 Nov 2018 18:38:58 +0800
Subject: [PATCH] [bugfix] panic when creating wallet

1. fixbug : 'panic: crypto/cipher: input not full blocks'

Cause of the byte length of private key generated by crypto.GenKeyPair
is not equal to 32.

Signed-off-by: NoelBright <noel.n.bright@gmail.com>
---
 crypto/crypto.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/crypto/crypto.go b/crypto/crypto.go
index 453b1c8e8..178ee471e 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -49,9 +49,13 @@ func GenKeyPair() ([]byte, PubKey, error) {
 		return nil, *mPubKey, err
 	}
 
+	privkey := make([]byte, util.PRIVATEKEYLEN)
+	copy(privkey[util.PRIVATEKEYLEN-len(privateD):], privateD)
+
 	mPubKey.X = new(big.Int).Set(X)
 	mPubKey.Y = new(big.Int).Set(Y)
-	return privateD, *mPubKey, nil
+
+	return privkey, *mPubKey, nil
 }
 
 func Sign(privateKey []byte, data []byte) ([]byte, error) {