public override void DecodeX509EnhancedKeyUsageExtension(byte[] encoded, out OidCollection usages)
{
OidCollection oids = new OidCollection();
using (SafeEkuExtensionHandle eku = Interop.Crypto.DecodeExtendedKeyUsage(encoded, encoded.Length))
{
Interop.Crypto.CheckValidOpenSslHandle(eku);
int count = Interop.Crypto.GetX509EkuFieldCount(eku);
for (int i = 0; i < count; i++)
{
IntPtr oidPtr = Interop.Crypto.GetX509EkuField(eku, i);
if (oidPtr == IntPtr.Zero)
{
throw Interop.Crypto.CreateOpenSslCryptographicException();
}
string oidValue = Interop.Crypto.GetOidValue(oidPtr);
oids.Add(new Oid(oidValue));
}
}
usages = oids;
}
public unsafe void DecodeX509EnhancedKeyUsageExtension(byte[] encoded, out OidCollection usages)
{
OidCollection oids = new OidCollection();
using (SafeEkuExtensionHandle eku = Interop.libcrypto.OpenSslD2I(Interop.libcrypto.d2i_EXTENDED_KEY_USAGE, encoded))
{
Interop.libcrypto.CheckValidOpenSslHandle(eku);
int count = Interop.Crypto.GetX509EkuFieldCount(eku);
for (int i = 0; i < count; i++)
{
IntPtr oidPtr = Interop.Crypto.GetX509EkuField(eku, i);
if (oidPtr == IntPtr.Zero)
{
throw Interop.libcrypto.CreateOpenSslCryptographicException();
}
string oidValue = Interop.libcrypto.OBJ_obj2txt_helper(oidPtr);
oids.Add(new Oid(oidValue));
}
}
usages = oids;
}
internal static extern IntPtr GetX509EkuField(SafeEkuExtensionHandle eku, int loc);
internal static extern int GetX509EkuFieldCount(SafeEkuExtensionHandle eku);
