private static IronDecryptResult CreateCryptoStreamAndDecryptResult(byte[] toDecrypt, IronKeyResult key, ICryptoTransform encryption, MemoryStream memoryStream)
{
using (var cryptoStream = new CryptoStream(memoryStream, encryption, CryptoStreamMode.Write))
{
cryptoStream.Write(toDecrypt, 0, toDecrypt.Length);
cryptoStream.FlushFinalBlock();
var encrypted = memoryStream.ToArray();
return(new IronDecryptResult()
{
Key = key,
DecryptedResult = System.Text.Encoding.UTF8.GetString(encrypted)
});
}
}
private static IronDecryptResult DecryptWithCorrectDecryptionAlgorithm(byte[] toDecrypt, IronKeyResult key, ICryptoTransform encryption)
{
using (var memoryStream = new MemoryStream())
{
return(CreateCryptoStreamAndDecryptResult(toDecrypt, key, encryption, memoryStream));
}
}
private static IronEncryptResult WriteEncryptionToMemoryStream(string toEncrypt, IronKeyResult key, ICryptoTransform encryption, MemoryStream memoryStream)
{
using (var cryptoStream = new CryptoStream(memoryStream, encryption, CryptoStreamMode.Write))
{
return(WriteContentToCryptoStreamAndReturnEncryptedResult(toEncrypt, key, memoryStream, cryptoStream));
}
}
private static IronEncryptResult WriteContentToCryptoStreamAndReturnEncryptedResult(string toEncrypt, IronKeyResult key, MemoryStream memoryStream, CryptoStream cryptoStream)
{
var bytesToEncrypt = System.Text.Encoding.UTF8.GetBytes(toEncrypt);
cryptoStream.Write(bytesToEncrypt, 0, bytesToEncrypt.Length);
cryptoStream.FlushFinalBlock();
var encrypted = memoryStream.ToArray();
return(new IronEncryptResult()
{
Key = key,
EncryptedResult = encrypted
});
}
private static IronEncryptResult EncryptWithCorrectEncryption(string toEncrypt, IronKeyResult key, ICryptoTransform encryption)
{
using (var memoryStream = new MemoryStream())
{
return(WriteEncryptionToMemoryStream(toEncrypt, key, encryption, memoryStream));
}
}