public IActionResult PlayfairDecrypt([FromBody] PlayfairCipherViewModel viewModel)
{
PlayfairCipher cipher = new PlayfairCipher(viewModel.Key);
string decrypted = "";
try
{
decrypted = cipher.Decrypt(viewModel.Message);
}
catch (Exception e)
{
return(BadRequest(new { Result = false, Message = e.Message }));
}
return(Json(decrypted));
}
public IActionResult PlayfairEncrypt([FromBody] PlayfairCipherViewModel viewModel)
{
PlayfairCipher cipher = new PlayfairCipher(viewModel.Key);
string encrypted = "";
try
{
encrypted = cipher.Encrypt(viewModel.Message);
}
catch (Exception e)
{
return(BadRequest(new { Result = false, Message = "Uzupełnij wartość tajnego klucza!" }));
}
return(Json(encrypted));
}
public IActionResult PlayfairVisualization([FromBody] PlayfairCipherViewModel viewModel)
{
PlayfairCipher cipher = new PlayfairCipher(viewModel.Key);
string encrypted = "";
string input = viewModel.Message;
string[] results = new string[4] {
"output", "input", "table", "digrams"
};
input = StringHelper.ReplaceWhitespace(input, "");
input = input.ToUpper();
results[1] = input;
char[,] table;
try
{
encrypted = cipher.Encrypt(viewModel.Message);
results[0] = encrypted;
table = cipher.KeyMatrix;
var stringTable = new StringBuilder();
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
stringTable.Append(table[i, j]);
}
}
results[2] = stringTable.ToString();
if (input.Length % 2 != 0)
{
input += "X";
}
results[3] = input;
}
catch (Exception e)
{
return(BadRequest(new { Result = false, Message = e.Message }));
}
return(Json(results));
}
