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using System;
using NUnit.Framework;
using Org.BouncyCastle.Crypto.Agreement;
using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.Utilities.Test;
namespace Org.BouncyCastle.Crypto.Tests
{
[TestFixture]
public class X448Test
: SimpleTest
{
private static readonly SecureRandom Random = new SecureRandom();
public override string Name
{
get { return "X448"; }
}
[Test]
public void TestFunction()
{
string resultText = Perform().ToString();
Assert.AreEqual(Name + ": Okay", resultText);
}
public override void PerformTest()
{
for (int i = 0; i < 10; ++i)
{
DoTestAgreement();
}
}
private void DoTestAgreement()
{
IAsymmetricCipherKeyPairGenerator kpGen = new X448KeyPairGenerator();
kpGen.Init(new X448KeyGenerationParameters(Random));
AsymmetricCipherKeyPair kpA = kpGen.GenerateKeyPair();
AsymmetricCipherKeyPair kpB = kpGen.GenerateKeyPair();
X448Agreement agreeA = new X448Agreement();
agreeA.Init(kpA.Private);
byte[] secretA = new byte[agreeA.AgreementSize];
agreeA.CalculateAgreement(kpB.Public, secretA, 0);
X448Agreement agreeB = new X448Agreement();
agreeB.Init(kpB.Private);
byte[] secretB = new byte[agreeB.AgreementSize];
agreeB.CalculateAgreement(kpA.Public, secretB, 0);
if (!AreEqual(secretA, secretB))
{
Fail("X448 agreement failed");
}
}
}
}
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