C# (CSharp) AesSherableKey.Parse Exemples

Exemple #1

Fichier : Cipher.cs Projet : tide-foundation/Tide-Protocol

        public static byte[] Decrypt(byte[] data, C25519Key key)
        {
            var size         = data[1] & 127;
            var sizeLength   = 0;
            var hasFieldSize = (data[1] & 128) != 0;

            if (hasFieldSize)
            {
                sizeLength = size;
                size       = (int)new BigInteger(data.Skip(2).Take(sizeLength).ToArray(), true, true);
            }
            var step = 2 + sizeLength;

            var asymmetricCipher = data.Skip(step).Take(32 * 3).ToArray();

            var asymmetricPlain = key.Decrypt(asymmetricCipher);

            step += AsymmetricSize;

            if (size == 200)
            {
                return(UnPad32(asymmetricPlain));
            }

            var symmetricKey = AesSherableKey.Parse(asymmetricPlain);

            return(symmetricKey.Decrypt(data.Skip(step).ToArray()));
        }

Exemple #2

 public AesSherableKey GenKey(AesKey key) => AesSherableKey.Parse(key.Hash(ToByteArray()));