void ValidateNonce(ProtectedHeader protectedHeader)
{
if (!_nonceMgr.ValidateNonce(protectedHeader.Nonce))
{
throw new Exception("Bad Nonce");
}
}
private string GetSigningInput()
{
return(Encoding.ASCII.GetBytes(
Base64UrlEncode(Encoding.UTF8.GetBytes(ProtectedHeader.ToString())))
+ "."
+ Base64UrlEncode(Encoding.UTF8.GetBytes(Payload)));
}
public void Verify()
{
try
{
var validationResults = new List <IComputationError>();
var parts = GetParts();
foreach (var prop in ProtectedHeader.Properties())
{
switch (prop.Name)
{
case "alg":
ALGVerifySignature(prop.Value <string>(), parts);
break;
default:
throw new JsonWebSignatureException($"\"{prop.Name}\" Header Parameter has not been implemented.");
}
}
throw new JsonWebSignatureException("The JWS signature MUST use an algorithm of \"RS256\", \"RS384\", or \"RS512\".");
}
catch (Exception)
{
throw;
}
}
public string SerializeCompact()
{
return(string.Join(".", new string[] {
Base64UrlEncode(Encoding.UTF8.GetBytes(ProtectedHeader.ToString())),
Base64UrlEncode(Encoding.UTF8.GetBytes(Payload)),
Base64UrlEncode(Encoding.ASCII.GetBytes(Signature))
}));
}
public string[] GetParts()
{
string encodedProtectedHeader = Base64UrlEncode(Encoding.UTF8.GetBytes(ProtectedHeader.ToString()));
string payload = Base64UrlEncode(Encoding.UTF8.GetBytes(Payload));
string signature = Base64UrlEncode(Encoding.ASCII.GetBytes(Signature));
return(new string[] { encodedProtectedHeader, payload, signature });
}