namespace com.hitrust.Security.Signature
{
    using com.hitrust.Security.Certificates;
    using System;
    using System.Security.Cryptography;
    using System.Text;

    internal class Receiver
    {
        private Certificate iCertificate;

        public Receiver(Certificate aCertificate)
        {
            this.iCertificate = aCertificate;
        }

        public void DecryptData(byte[] encrypted)
        {
            ASCIIEncoding myAscii = new ASCIIEncoding();
            byte[] fromEncrypt = this.iCertificate.PrivateKey.Decrypt(encrypted, false);
            string roundTrip = myAscii.GetString(fromEncrypt);
            Console.WriteLine("RoundTrip: {0}", roundTrip);
        }

        public bool VerifyHash(byte[] signedData, byte[] signature)
        {
            byte[] hashedData = new SHA1Managed().ComputeHash(signedData);
            return this.iCertificate.PublicKey.VerifyHash(hashedData, CryptoConfig.MapNameToOID("SHA1"), signature);
        }
    }
}