/// <summary>
/// Decrypts the cipherbytes. Implements <see cref="IAESService.Decrypt(byte[])"/>.
/// </summary>
/// <param name="cipherbytes">The cipherbytes to be decrypted.</param>
/// <returns>The JSON object.</returns>
public JObject Decrypt(byte[] cipherbytes)
{
helperAES = new AESHelper();
algorithm = new Grasshopper();
byte[] plainbytes = new byte[cipherbytes.Length];
using (MemoryStream stream = new MemoryStream(cipherbytes))
{
byte[] block = new byte[16];
int count = 0;
while (stream.Read(block, 0, blockLength) > 0)
{
Array.Copy(algorithm.Decrypt(block, Keys.GrasshopperKey), 0, plainbytes, count, blockLength);
count += blockLength;
}
return(helperAES.ParseToJson(plainbytes));
}
}