public string Encrypt(string text, SheetCrypting algorithm)
{
if (algorithm == SheetCrypting.Algo1)
{
return(Base64Encode(computeXor(text, Password)));
}
if (algorithm == SheetCrypting.Algo2)
{
return(Base64Encode(text));
}
return(text);
}
/// <summary>
/// Decrypts the specified text.
/// </summary>
/// <param name="text">The input string to decrypt.</param>
/// <returns>The decrypted value of the specified input.</returns>
public string Decrypt(string text, SheetCrypting algorithm)
{
switch (algorithm)
{
case SheetCrypting.Algo1:
var b64Decoded = Base64Decode(text);
var r = computeXor(b64Decoded, Password);
return(r);
case SheetCrypting.Algo2:
return(Base64Decode(text));
}
return(text);
}
private static string cryptoToStr(string crypted, SheetCrypting algorithm)
{
return(string.IsNullOrWhiteSpace(crypted)
? string.Empty
: Encryption.Instance.Decrypt(crypted, algorithm));
}
