public static void TestX509Certificate2()
{
Console.WriteLine("TestX509Certificate2");
// Generated using:
// openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -keyout private.key -out certificate_pub.crt
string certificateText = File.ReadAllText("certificate_pub.crt");
string privateKeyText = File.ReadAllText("private.key");
ICertificateProvider provider = new CertificateFromFileProvider(certificateText, privateKeyText);
X509Certificate2 certificate = provider.Certificate;
Console.WriteLine("X509Certificate2:");
Console.WriteLine(certificate);
Console.WriteLine();
Console.WriteLine("PrivateKey:");
RSACryptoServiceProvider cryptoServiceProvider = provider.PrivateKey;
ShowRSAProperties(cryptoServiceProvider);
var xml = XDocument.Parse(RSAExtensions.ToXmlString(cryptoServiceProvider, true));
Console.WriteLine(xml.ToString());
// Sign the data
byte[] hello = new UTF8Encoding().GetBytes("Hello World");
byte[] hashValue = cryptoServiceProvider.Encrypt(hello, false);
// var publicKey = provider.PublicKey;
byte[] decrypted = cryptoServiceProvider.Decrypt(hashValue, false);
Console.WriteLine("decrypted: {0}", Encoding.UTF8.GetString(decrypted));
}
public static void GenerateKeys(string publicKeyFile, string privateKeyFile)
{
using (var rsa = new RSACryptoServiceProvider((int)KeySizes.SIZE_2048))
{
rsa.PersistKeyInCsp = false;
if (File.Exists(privateKeyFile))
{
File.Delete(privateKeyFile);
}
if (File.Exists(publicKeyFile))
{
File.Delete(publicKeyFile);
}
string publicKey = RSAExtensions.ToXmlString(rsa, false);
File.WriteAllText(publicKeyFile, publicKey);
string privateKey = RSAExtensions.ToXmlString(rsa, true);
File.WriteAllText(privateKeyFile, privateKey);
}
}