-\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.Security;
+using System.Collections.Generic;
+using System.Linq;
namespace Novacoin
/// </summary>
public CKeyPair(bool Compressed=true)
{
- ECKeyGenerationParameters genParams = new ECKeyGenerationParameters(domain, new SecureRandom());
- ECKeyPairGenerator generator = new ECKeyPairGenerator("ECDSA");
+ var genParams = new ECKeyGenerationParameters(domain, new SecureRandom());
+ var generator = new ECKeyPairGenerator("ECDSA");
generator.Init(genParams);
- AsymmetricCipherKeyPair ecKeyPair = generator.GenerateKeyPair();
+ var ecKeyPair = generator.GenerateKeyPair();
_Private = (ECPrivateKeyParameters)ecKeyPair.Private;
_Public = (ECPublicKeyParameters)ecKeyPair.Public;
/// </summary>
/// <param name="secretBytes">Byte sequence</param>
/// <param name="Compressed">Compression flag</param>
- public CKeyPair(IEnumerable<byte> secretBytes, bool Compressed=true)
+ public CKeyPair(byte[] secretBytes, bool Compressed=true)
{
// Deserialize secret value
- BigInteger D = new BigInteger(secretBytes.Take(32).ToArray());
+ var D = new BigInteger(secretBytes.Take(32).ToArray());
if (D.SignValue == -1)
{
- List<byte> fixedKeyBytes = secretBytes.Take(32).ToList();
+ var fixedKeyBytes = secretBytes.Take(32).ToList();
fixedKeyBytes.Insert(0, 0x00); // prepend with sign byte
D = new BigInteger(fixedKeyBytes.ToArray());
}
// Calculate public key
- ECPoint Q = curve.G.Multiply(D);
+ var Q = curve.G.Multiply(D);
_Private = new ECPrivateKeyParameters(D, domain);
_Public = new ECPublicKeyParameters(Q, domain);
/// Init key pair using secret sequence of bytes
/// </summary>
/// <param name="secretBytes">Byte sequence</param>
- public CKeyPair(IEnumerable<byte> secretBytes) :
- this (secretBytes.Take(32), (secretBytes.Count() == 33 && secretBytes.Last() == 0x01))
+ public CKeyPair(byte[] secretBytes) :
+ this (secretBytes.Take(32).ToArray(), (secretBytes.Count() == 33 && secretBytes.Last() == 0x01))
{
}
public CKeyPair(string strBase58)
{
- List<byte> rawBytes = AddressTools.Base58DecodeCheck(strBase58).ToList();
+ var rawBytes = AddressTools.Base58DecodeCheck(strBase58).ToList();
rawBytes.RemoveAt(0); // Remove key version byte
// Deserialize secret value
- BigInteger D = new BigInteger(rawBytes.Take(32).ToArray());
+ var D = new BigInteger(rawBytes.Take(32).ToArray());
if (D.SignValue == -1)
{
- List<byte> secretbytes = rawBytes.Take(32).ToList(); // Copy secret
+ var secretbytes = rawBytes.Take(32).ToList(); // Copy secret
secretbytes.Insert(0, 0x00); // Prepend with sign byte
D = new BigInteger(secretbytes.ToArray()); // Try decoding again
}
// Calculate public key
- ECPoint Q = curve.G.Multiply(D);
+ var Q = curve.G.Multiply(D);
_Private = new ECPrivateKeyParameters(D, domain);
_Public = new ECPublicKeyParameters(Q, domain);
/// <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 byte[] Sign(Hash sigHash)
{
- byte[] dataBytes = data.ToArray();
-
- ISigner signer = SignerUtilities.GetSigner("SHA-256withECDSA");
+ var signer = SignerUtilities.GetSigner("NONEwithECDSA");
signer.Init(true, _Private);
- signer.BlockUpdate(dataBytes, 0, dataBytes.Length);
+ signer.BlockUpdate(sigHash.hashBytes, 0, sigHash.hashSize);
return signer.GenerateSignature();
}
- public CPubKey GetPubKey()
+ public CPubKey PubKey
{
- return new CPubKey(Public);
+ get { return new CPubKey(PublicBytes); }
}
/// <summary>
- /// Secret part of key pair
+ /// SecretBytes part of key pair
/// </summary>
- public IEnumerable<byte> Secret
+ public byte[] SecretBytes
{
get
{
- List<byte> secretBytes = new List<byte>(_Private.D.ToByteArray());
+ var secretBytes = new List<byte>(_Private.D.ToByteArray());
if (secretBytes[0] == 0x00)
{
secretBytes.Add(0x01);
}
- return secretBytes;
+ return secretBytes.ToArray();
}
}
public string ToHex()
{
- return Interop.ToHex(Secret);
+ return Interop.ToHex(SecretBytes);
}
public override string ToString()
{
- List<byte> r = new List<byte>();
+ var r = new List<byte>();
r.Add((byte)(128 + AddrType.PUBKEY_ADDRESS)); // Key version
- r.AddRange(Secret); // Key data
+ r.AddRange(SecretBytes); // Key data
- return AddressTools.Base58EncodeCheck(r);
+ return AddressTools.Base58EncodeCheck(r.ToArray());
}
}
}