[InlineData("1.2.840.10045.3.1.7", 256)] //secp256v1
public static void ECCurve_ctor_SEC2_OID_From_Value(string oidValue, int expectedKeySize)
{
ECCurve ecCurve = ECCurve.CreateFromValue(oidValue);
using (ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create(ecCurve))
{
Assert.Equal(expectedKeySize, ecdh.KeySize);
ecdh.Exercise();
}
}
public static void Equivalence_Hash()
{
using (ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create())
using (ECDiffieHellmanPublicKey publicKey = ecdh.PublicKey)
{
byte[] newWay = ecdh.DeriveKeyFromHash(publicKey, HashAlgorithmName.SHA256, null, null);
byte[] oldWay = ecdh.DeriveKeyMaterial(publicKey);
Assert.Equal(newWay, oldWay);
}
}
public static void TestNamedCurvesNegative(CurveDef curveDef)
{
if (!curveDef.Curve.IsNamed)
{
return;
}
// An exception may be thrown during Create() if the Oid is bad, or later during native calls
Assert.Throws <PlatformNotSupportedException>(() =>
{
using ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create(curveDef.Curve);
ecdh.ExportParameters(false);
});
}
public static void ECCurve_ctor()
{
using (ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create(ECCurve.NamedCurves.nistP256))
{
Assert.Equal(256, ecdh.KeySize);
ecdh.Exercise();
}
using (ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create(ECCurve.NamedCurves.nistP384))
{
Assert.Equal(384, ecdh.KeySize);
ecdh.Exercise();
}
using (ECDiffieHellman ecdh = ECDiffieHellmanFactory.Create(ECCurve.NamedCurves.nistP521))
{
Assert.Equal(521, ecdh.KeySize);
ecdh.Exercise();
}
}
