protected override IKeyAgreement StartKeyAgreement()
{
IKeyAgreement agreement = null;
switch (random.Next(4))
{
case 0:
agreement = new BCryptDiffieHellmanOakleyGroup14();
break;
case 1:
agreement = new BCryptDiffieHellmanOakleyGroup2();
break;
case 2:
agreement = new ManagedDiffieHellmanOakley14();
break;
case 3:
agreement = new ManagedDiffieHellmanOakley2();
break;
}
W($"DH Type: {agreement.GetType()}");
if (agreement == null)
{
throw new ArgumentException("How did it get here?");
}
return(agreement);
}
public void ManagedExportAgreeswithNativeImportGroup2()
{
DiffieHellmanKey managedExport;
using (var alice = new ManagedDiffieHellmanOakley2())
using (var bob = new ManagedDiffieHellmanOakley2())
{
managedExport = alice.PrivateKey as DiffieHellmanKey;
alice.ImportPartnerKey(bob.PublicKey);
bob.ImportPartnerKey(alice.PublicKey);
AssertKeysAgree(alice, bob);
}
managedExport.Generator = Pad(managedExport.Generator, managedExport.KeyLength);
using (var alice = BCryptDiffieHellman.Import(managedExport))
using (var bob = new BCryptDiffieHellmanOakleyGroup2())
{
alice.ImportPartnerKey(bob.PublicKey);
bob.ImportPartnerKey(alice.PublicKey);
AssertKeysAgree(alice, bob);
}
}
public void ManagedAgreesWithNativeGroup2()
{
using (var alice = new BCryptDiffieHellmanOakleyGroup2())
using (var bob = new ManagedDiffieHellmanOakley2())
{
alice.ImportPartnerKey(bob.PublicKey);
bob.ImportPartnerKey(alice.PublicKey);
AssertKeysAgree(alice, bob);
}
}
public void ManagedExportMatchesNativeImport()
{
using (var alice = new ManagedDiffieHellmanOakley2())
{
var managedExportPrivate = alice.PrivateKey as DiffieHellmanKey;
var managedExportPublic = alice.PublicKey as DiffieHellmanKey;
managedExportPrivate.Generator = Pad(managedExportPrivate.Generator, managedExportPrivate.KeyLength);
managedExportPublic.Generator = Pad(managedExportPublic.Generator, managedExportPublic.KeyLength);
using (var bob = BCryptDiffieHellman.Import(managedExportPrivate))
{
AssertKeysMatch(alice.PrivateKey, bob.PrivateKey);
AssertKeysMatch(alice.PublicKey, bob.PublicKey);
alice.ImportPartnerKey(bob.PublicKey);
bob.ImportPartnerKey(alice.PublicKey);
AssertKeysAgree(alice, bob);
}
}
}
