// Create an RSAOAEPKeyExchangeDeformatter object with a new RSA key.
// Display its properties to the console.
private void ConstructDeformatter()
{
// Construct an empty OAEP key exchange.
//<Snippet10>
RSAOAEPKeyExchangeDeformatter rsaDeformatter =
new RSAOAEPKeyExchangeDeformatter();
//</Snippet10>
// Create an RSAKey and set it into the specified
// RSAOAEPKeyExchangeFormatter.
//<Snippet11>
RSA key = RSA.Create();
rsaDeformatter.SetKey(key);
//</Snippet11>
Console.WriteLine();
Console.WriteLine("**" + rsaDeformatter.ToString() + "**");
//<Snippet12>
string xmlParameters = rsaDeformatter.Parameters;
//</Snippet12>
Console.WriteLine();
Console.WriteLine("The RSA deformatter has the following ");
Console.WriteLine("parameters:" + xmlParameters);
}
public void Properties()
{
RSAOAEPKeyExchangeDeformatter keyex = new RSAOAEPKeyExchangeDeformatter();
keyex.SetKey(key);
Assertion.AssertNull("RSAOAEPKeyExchangeDeformatter.Parameters", keyex.Parameters);
Assertion.AssertEquals("RSAOAEPKeyExchangeDeformatter.ToString()", "System.Security.Cryptography.RSAOAEPKeyExchangeDeformatter", keyex.ToString());
}
public void Properties()
{
RSAOAEPKeyExchangeDeformatter keyex = new RSAOAEPKeyExchangeDeformatter();
keyex.SetKey(key);
Assert.IsNull(keyex.Parameters, "RSAOAEPKeyExchangeDeformatter.Parameters");
Assert.AreEqual("System.Security.Cryptography.RSAOAEPKeyExchangeDeformatter", keyex.ToString());
}
public byte[] DecryptSessionKeyByRSA(byte[] exchangeData)
{
AsymmetricAlgorithm rsa = algo;
RSAOAEPKeyExchangeDeformatter defor = new RSAOAEPKeyExchangeDeformatter();
defor.SetKey(rsa);
byte[] keySession = defor.DecryptKeyExchange(exchangeData);
return(keySession);
}
