MD5 Encryption and SHA256 encryption

MD5 encryption

private static string Getmd5hash (String emailaddress)
{
byte[] data = MD5. Create (). ComputeHash (Encoding.UTF8.GetBytes (EmailAddress));
var sbuilder = new StringBuilder ();
for (int i = 0; i < data. Length; i++)
{
Sbuilder.append (Data[i]. ToString ("X2"));

}
return sbuilder.tostring ();

}

public static string Sha256 (string plaintext)        {            sha256managed _sha256 = new sha256managed ();            byte[] _ciphertext = _sha256.computehash (Encoding.Default.GetBytes (plaintext));            Return convert.tobase64string (_ciphertext);        }

MD5 Encryption and SHA256 encryption