Novacoin/CPubKey.cs

   1 \feffusing System.Collections.Generic;
   2 using System.Linq;
   3 using Org.BouncyCastle.Math.EC;
   4 using Org.BouncyCastle.Crypto.Parameters;
   5
   6 namespace Novacoin
   7 {
   8     /// <summary>
   9     /// Representation of ECDSA public key
  10     /// </summary>
  11     public class CPubKey : CKey
  12     {
  13         /// <summary>
  14         /// Initializes a new instance of CPubKey class as the copy of another instance
  15         /// </summary>
  16         /// <param name="pubKey">Another CPubKey instance</param>
  17         public CPubKey(CPubKey pubKey)
  18         {
  19             _Public = pubKey._Public;
  20         }
  21
  22         /// <summary>
  23         /// Initializes a new instance of CPubKey class using supplied sequence of bytes
  24         /// </summary>
  25         /// <param name="bytes">Byte sequence</param>
  26         public CPubKey(IEnumerable<byte> bytes)
  27         {
  28             ECPoint pQ = curve.Curve.DecodePoint(bytes.ToArray());
  29             _Public = new ECPublicKeyParameters(pQ, domain);
  30         }
  31
  32         /// <summary>
  33         /// Init with base58 encoded sequence of bytes
  34         /// </summary>
  35         /// <param name="strBase58"></param>
  36         public CPubKey(string strBase58)
  37         {
  38             ECPoint pQ = curve.Curve.DecodePoint(AddressTools.Base58DecodeCheck(strBase58).ToArray());
  39             _Public = new ECPublicKeyParameters(pQ, domain);
  40         }
  41
  42         /// <summary>
  43         /// Quick validity test
  44         /// </summary>
  45         /// <returns>Validation result</returns>
  46         public bool IsValid
  47         {
  48             get { return !_Public.Q.IsInfinity; }
  49         }
  50
  51         public string ToHex()
  52         {
  53             return Interop.ToHex(PublicBytes);
  54         }
  55
  56         public override string ToString()
  57         {
  58             List<byte> r = new List<byte>();
  59
  60             r.Add((byte)(AddrType.PUBKEY_ADDRESS));
  61             r.AddRange(PublicBytes);
  62
  63             return AddressTools.Base58EncodeCheck(r);
  64         }
  65     }
  66 }