public IHttpActionResult Encrypt([FromBody] Cryptographymodel item)
{
try
{
byte[] keyBytes = Convert.FromBase64String(item.PublicKey);
RsaKeyParameters publicKeyInfo = (RsaKeyParameters)PublicKeyFactory.CreateKey(keyBytes);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
RSAParameters rsaParameters = new RSAParameters();
rsaParameters.Modulus = publicKeyInfo.Modulus.ToByteArrayUnsigned();
rsaParameters.Exponent = publicKeyInfo.Exponent.ToByteArrayUnsigned();
rsa.ImportParameters(rsaParameters);
byte[] bytes = Encoding.UTF8.GetBytes(item.Plaintext);
byte[] enc = rsa.Encrypt(bytes, false);
string base64Enc = Convert.ToBase64String(enc);
return(Ok(base64Enc));
}
catch (Exception ex)
{
return(InternalServerError(ex));
}
}
public IHttpActionResult Decrypt([FromBody] Cryptographymodel item)
{
try
{
RsaPrivateCrtKeyParameters privateKey = (RsaPrivateCrtKeyParameters)PrivateKeyFactory.CreateKey(Convert.FromBase64String(item.PrivateKey));
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
RSAParameters rsaParameters2 = DotNetUtilities.ToRSAParameters((RsaPrivateCrtKeyParameters)privateKey);
rsa.ImportParameters(rsaParameters2);
byte[] dec = rsa.Decrypt(Convert.FromBase64String(item.Chipertext), false);
string decStr = Encoding.UTF8.GetString(dec);
return(Ok(decStr));
}
catch (Exception ex)
{
return(InternalServerError(ex));
}
}
