internal static SafeEcKeyHandle EcKeyCreateByExplicitCurve(ECCurve curve)
{
byte[] p;
if (curve.IsPrime)
{
p = curve.Prime;
}
else if (curve.IsCharacteristic2)
{
p = curve.Polynomial;
}
else
{
throw new PlatformNotSupportedException(SR.Format(SR.Cryptography_CurveNotSupported, curve.CurveType.ToString()));
}
SafeEcKeyHandle key = Interop.Crypto.EcKeyCreateByExplicitParameters(
curve.CurveType,
null, 0,
null, 0,
null, 0,
p, p.Length,
curve.A, curve.A.Length,
curve.B, curve.B.Length,
curve.G.X, curve.G.X.Length,
curve.G.Y, curve.G.Y.Length,
curve.Order, curve.Order.Length,
curve.Cofactor, curve.Cofactor.Length,
curve.Seed, curve.Seed == null ? 0 : curve.Seed.Length);
if (key == null || key.IsInvalid)
{
if (key != null)
{
key.Dispose();
}
throw Interop.Crypto.CreateOpenSslCryptographicException();
}
// EcKeyCreateByExplicitParameters may have polluted the error queue, but key was good in the end.
// Clean up the error queue.
Interop.Crypto.ErrClearError();
return(key);
}
internal static SafeEcKeyHandle EcKeyCreateByExplicitCurve(ECCurve curve)
{
byte[] p;
if (curve.IsPrime)
{
p = curve.Prime !;
}
else if (curve.IsCharacteristic2)
{
p = curve.Polynomial !;
}
else
{
throw new PlatformNotSupportedException(SR.Format(SR.Cryptography_CurveNotSupported, curve.CurveType.ToString()));
}
SafeEcKeyHandle key = EcKeyCreateByExplicitParameters(
curve.CurveType,
null, 0,
null, 0,
null, 0,
p, p.Length,
curve.A !, curve.A !.Length,
curve.B !, curve.B !.Length,
curve.G.X !, curve.G.X !.Length,
curve.G.Y !, curve.G.Y !.Length,
curve.Order !, curve.Order !.Length,
curve.Cofactor, curve.Cofactor !.Length,
curve.Seed, curve.Seed == null ? 0 : curve.Seed.Length);
if (key == null || key.IsInvalid)
{
if (key != null)
{
key.Dispose();
}
throw new CryptographicException();
}
return(key);
}
