Exemple #1
0
 static public byte[] FromLegacy(byte[] legacy)
 {
     if (legacy.Length == 65)
     {
         var result = new ECDSAPublicKey();
         result.PublicKeyData = legacy;
         return(result.Serialize());
     }
     return(legacy);
 }
Exemple #2
0
 public virtual Task <byte[]> SharedSecret(ECDSAPublicKey Pbk)
 {
     return(Task.Run(() =>
     {
         lock (Cache)
         {
             var clipped = Pbk.FingerprintEncodedClipped;
             if (Cache.ContainsKey(clipped))
             {
                 return Cache[clipped];
             }
         }
         var agree = new ECDHBasicAgreement();
         agree.Init(PrivateKey);
         var result = agree.CalculateAgreement(Pbk.PublicKey).ToByteArrayUnsigned();
         result = CryptoHelper.Sha256(result);
         lock (Cache)
             Cache[Pbk.FingerprintEncodedClipped] = result;
         return result;
     }));
 }