public string Decrypt(string encryptedMessage, string hexKey)
{
var encryptedToken = new EncryptedToken(encryptedMessage);
var keyBits = new BitArray(hexKey.GetBytesFromHex());
BitArray[] dencryptedResult = encryptedToken.EncryptedBitBlocks
.Select(bitsBlock => this.algorithm.Decrypt(bitsBlock, keyBits))
.ToArray();
var decryptedToken = new DecryptedToken(encryptedToken.OriginalBytesCount, dencryptedResult);
return(decryptedToken.ToString());
}
public void Encrypt_WhenDataAndKeyAreValid_ReturnsEncryptedData()
{
string originalMessage = "hello world";
var parsedToken = new ParsedToken(originalMessage);
var keyBits = new BitArray("13-34-57-79-9B-BC-DF-F1".GetBytesFromHex());
var algorithm = this.resolver.Resolve <IDesAlgorithm>();
BitArray[] encryptedResult = parsedToken.BitBlocks.Select(block => algorithm.Encrypt(block, keyBits)).ToArray();
BitArray[] decryptedResult = encryptedResult.Select(block => algorithm.Decrypt(block, keyBits)).ToArray();
var decryptedToken = new DecryptedToken(parsedToken.OriginalBytesCount, decryptedResult);
Assert.AreEqual(originalMessage, decryptedToken.ToString());
}
