public ActionResult publicKey([FromHeader] string key)
{
if (String.IsNullOrEmpty(key))
{
throw new ArgumentNullException("Couldn't get the public key");
}
if (UserDatabaseAccess.keyCheck(key))
{
byte[] dataToChange = Encoding.ASCII.GetBytes(key);
byte[] encrpyt;
byte[] decryptData;
RSAParameters publicKey;
RSAParameters privateKey;
string str;
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.PersistKeyInCsp = true;
publicKey = rsa.ExportParameters(false);
privateKey = rsa.ExportParameters(true);
encrpyt = RSAInternal.RSAEncrypt(dataToChange, publicKey);
str = RSACryptoExtensions.ToXmlStringCore22(rsa, false);
decryptData = RSAInternal.RSADecrypt(encrpyt, privateKey);
RSACryptoExtensions.FromXmlStringCore22(rsa, str);
}
return(Ok(str));
}
else
{
return(Ok("ApiKey invalid"));
}
}
static public string getPublicKey()
{
string key = RSACryptoExtensions.ToXmlStringCore22(rsa, false);
return(key);
}