Add license header.

[NovacoinLibrary.git] / Novacoin / CKeyPair.cs

diff --git a/Novacoin/CKeyPair.cs b/Novacoin/CKeyPair.cs
index a729d50..6c7243c 100644 (file)
--- a/Novacoin/CKeyPair.cs
+++ b/Novacoin/CKeyPair.cs
@@ -1,14 +1,30 @@
-\feffusing System.Collections.Generic;
-using System.Linq;
-using System;
+\feff/**
+ *  Novacoin classes library
+ *  Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
 
-using Org.BouncyCastle.Math;
-using Org.BouncyCastle.Math.EC;
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Generators;
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Math.EC;
 using Org.BouncyCastle.Security;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 
 
 namespace Novacoin
@@ -116,15 +132,13 @@ namespace Novacoin
         /// <summary>
         /// Create signature for supplied data
         /// </summary>
-        /// <param name="data">Data bytes sequence</param>
+        /// <param name="data">Hash to sigh</param>
         /// <returns>Signature bytes sequence</returns>
-        public IEnumerable<byte> Sign(IEnumerable<byte> data)
+        public IEnumerable<byte> Sign(Hash sigHash)
         {
-            byte[] dataBytes = data.ToArray();
-
-            ISigner signer = SignerUtilities.GetSigner("SHA-256withECDSA");
+            ISigner signer = SignerUtilities.GetSigner("NONEwithECDSA");
             signer.Init(true, _Private);
-            signer.BlockUpdate(dataBytes, 0, dataBytes.Length);
+            signer.BlockUpdate(sigHash.hashBytes, 0, sigHash.hashSize);
 
             return signer.GenerateSignature();
         }