public IActionResult RsaGenerateKeys([FromBody] RsaKeyViewModel viewModel)
{
BasicRsa rsa = new BasicRsa();
rsa.GenerateKey(viewModel.P, viewModel.Q);
string publicKey = rsa.N + "," + rsa.E;
string privateKey = rsa.N + "," + rsa.D;
return(Json(new { publicKey = publicKey, privateKey = privateKey }));
}
public IActionResult Encrypt([FromBody] RsaEncryptViewModel viewModel)
{
BasicRsa rsa = new BasicRsa();
BigInteger E = BigInteger.Parse(viewModel.EorD);
BigInteger N = BigInteger.Parse(viewModel.N);
string[] encrypted = new string[viewModel.Message.Length];
for (int i = 0; i < viewModel.Message.Length; i++)
{
var character = viewModel.Message[i];
encrypted[i] = rsa.Encrypt(character, E, N).ToString();
}
var result = String.Join(',', encrypted);
return(Json(result));
}
public IActionResult Decrypt([FromBody] RsaDecryptViewModel viewModel)
{
BasicRsa rsa = new BasicRsa();
BigInteger E = BigInteger.Parse(viewModel.EorD);
BigInteger N = BigInteger.Parse(viewModel.N);
try
{
StringBuilder sb = new StringBuilder(viewModel.Message.Length);
for (int i = 0; i < viewModel.Message.Length; i++)
{
var value = rsa.Decrypt(BigInteger.Parse(viewModel.Message[i]), E, N);
sb.Append(Convert.ToChar(value));
}
return(Json(sb.ToString()));
}
catch (Exception e)
{
return(BadRequest(new { Result = false, Message = e.Message }));
}
}
