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         /// Quick validity test
  34         /// </summary>
  35         /// <returns>Validation result</returns>
  36         public bool IsValid
  37         {
  38             get { return !_Public.Q.IsInfinity; }
  39         }
  40
  41         /// <summary>
  42         /// Is this a compressed public key?
  43         /// </summary>
  44         /// <returns></returns>
  45         public bool IsCompressed
  46         {
  47             get { return _Public.Q.IsCompressed; }
  48         }
  49
  50         public override string ToString()
  51         {
  52             return Interop.ToHex(Public);
  53         }
  54     }
  55 }