public void Prepare()
{
rsaKeys = RsaKeys.Create(VirtualSecuredTransferProtocolHelper.DwKeySize);
serverSideRsaProvider = rsaKeys.CreateRsaProvider();
clientSideRsaProvider = new RsaKeys {
DoubleWordKeySize = rsaKeys.DoubleWordKeySize, PublicKey = rsaKeys.PublicKey
}.CreateRsaPublicProvider();
}
public void TestRsa()
{
var dwKeySize = 2048;
using (var originRsaProvider = new RSACryptoServiceProvider(dwKeySize))
{
var rsaKey = new RsaKeys
{
PrivateKey = originRsaProvider.ExportCspBlob(true),
PublicKey = originRsaProvider.ExportCspBlob(false),
DoubleWordKeySize = originRsaProvider.KeySize
};
var publicProvider = rsaKey.CreateRsaPublicProvider();
var privateProvider = rsaKey.CreateRsaProvider();
var originalEncyptedText = originRsaProvider.Encrypt(Encoding.UTF8.GetBytes(testData), true).EncodeBase64();
var publicEncyptedText = publicProvider.Encrypt(Encoding.UTF8.GetBytes(testData), true).EncodeBase64();
var privateEncyptedText = privateProvider.Encrypt(Encoding.UTF8.GetBytes(testData), true).EncodeBase64();
//self
var originalDecyptedText1 = Encoding.UTF8.GetString(originRsaProvider.Decrypt(originalEncyptedText.DecodeBase64ToByteArray(), true));
var privateDecyptedText1 = Encoding.UTF8.GetString(privateProvider.Decrypt(privateEncyptedText.DecodeBase64ToByteArray(), true));
Assert.AreEqual(testData, originalDecyptedText1);
Assert.AreEqual(testData, privateDecyptedText1);
// from private
var originalDecyptedText2 = Encoding.UTF8.GetString(originRsaProvider.Decrypt(privateEncyptedText.DecodeBase64ToByteArray(), true));
var privateDecyptedText2 = Encoding.UTF8.GetString(privateProvider.Decrypt(originalEncyptedText.DecodeBase64ToByteArray(), true));
Assert.AreEqual(testData, originalDecyptedText2);
Assert.AreEqual(testData, privateDecyptedText2);
// from public
var originalDecyptedText3 = Encoding.UTF8.GetString(originRsaProvider.Decrypt(publicEncyptedText.DecodeBase64ToByteArray(), true));
var privateDecyptedText3 = Encoding.UTF8.GetString(privateProvider.Decrypt(publicEncyptedText.DecodeBase64ToByteArray(), true));
Assert.AreEqual(testData, originalDecyptedText3);
Assert.AreEqual(testData, privateDecyptedText3);
}
}