public static string Convert(Stream pemData)
{
var pemObject = new PemReader(new StreamReader(pemData)).ReadObject();
RSA key;
bool isPrivate;
if (pemObject is AsymmetricCipherKeyPair)
{
isPrivate = true;
var privateKeyParams = ((AsymmetricCipherKeyPair)pemObject).Private;
key = DotNetUtilities.ToRSA((RsaPrivateCrtKeyParameters)privateKeyParams);
}
else if (pemObject is RsaKeyParameters)
{
isPrivate = false;
key = DotNetUtilities.ToRSA((RsaKeyParameters)pemObject);
}
else
{
throw new ArgumentException("object is not PEM encoded RSA key " +
$"(decoded: {pemObject.GetType().Name})",
nameof(pemData));
}
return(RsaKeyLoader.ToXmlString(key, isPrivate));
}
public static string SignData(string data, string privateKeyPath = "private-key.xml")
{
var privateKey = RsaKeyLoader.FromXmlFile(privateKeyPath);
var signature = privateKey.SignData(PaymentHandler.DigestEncoding.GetBytes(data),
PaymentHandler.HashAlgorithm,
PaymentHandler.SignaturePadding);
return(Convert.ToBase64String(signature));
}
public static async Task <string> SendRequest(
string accountKey,
PaymentHandler.Gateway gateway,
string payloadPath = "payload.xml",
string privateKeyPath = "private-key.xml",
string hostname = "paymentapi.contact-world.net")
{
var payload = File.ReadAllText(payloadPath).Trim();
var privateKey = RsaKeyLoader.FromXmlFile(privateKeyPath);
var handler = new PaymentHandler(accountKey, gateway, hostname, privateKey, TimeSpan.FromSeconds(1));
return(await handler.MakePayment(payload, Console.WriteLine));
}
public static bool VerifySignature(string signatureBase64,
string data,
string publicKeyPath = "public-key.xml")
{
var publicKey = RsaKeyLoader.FromXmlFile(publicKeyPath);
var signature = Convert.FromBase64String(signatureBase64);
var dataBytes = PaymentHandler.DigestEncoding.GetBytes(data);
return(publicKey.VerifyData(dataBytes,
signature,
PaymentHandler.HashAlgorithm,
PaymentHandler.SignaturePadding));
}
public static string GenerateKeys(string privateKeyPath = "private-key.xml",
string publicKeyPath = "public-key.xml")
{
var key = RSA.Create();
key.KeySize = PaymentHandler.KeySize;
File.WriteAllText(privateKeyPath, RsaKeyLoader.ToXmlString(key, includePrivateParameters: true));
File.WriteAllText(publicKeyPath, RsaKeyLoader.ToXmlString(key, includePrivateParameters: false));
return($"Files written to {Path.GetDirectoryName(Path.GetFullPath(privateKeyPath))}\n" +
$" {privateKeyPath}: keep this one secure and never pass to anyone\n"+
$" {publicKeyPath}: pass this one to NewVoiceMedia operations");
}
public static bool CheckKeys(
string privateKeyPath = "private-key.xml",
string publicKeyPath = "public-key.xml")
{
var privateKey = RsaKeyLoader.FromXmlFile(privateKeyPath);
var publicKey = RsaKeyLoader.FromXmlFile(publicKeyPath);
var testData = PaymentHandler.DigestEncoding.GetBytes("NewVoiceMedia Rulezzz");
var signature = privateKey.SignData(testData,
PaymentHandler.HashAlgorithm,
PaymentHandler.SignaturePadding);
return(publicKey.VerifyData(testData,
signature,
PaymentHandler.HashAlgorithm,
PaymentHandler.SignaturePadding));
}
public static async Task <string> RelayRequest(
string accountKey,
PaymentHandler.Gateway gateway,
string privateKeyPath = "private-key.xml",
string hostname = "paymentapi.contact-world.net")
{
var payload = new StringBuilder();
string line;
while ((line = Console.ReadLine()) != null)
{
payload.AppendLine(line);
}
var privateKey = RsaKeyLoader.FromXmlFile(privateKeyPath);
var handler = new PaymentHandler(accountKey, gateway, hostname, privateKey, TimeSpan.FromSeconds(1));
return(await handler.MakePayment(payload.ToString(), Console.WriteLine));
}