public void DecodeX509KeyUsageExtension(byte[] encoded, out X509KeyUsageFlags keyUsages)
{
unsafe
{
uint keyUsagesAsUint = 0;
encoded.DecodeObject(
CryptDecodeObjectStructType.X509_KEY_USAGE,
delegate(void *pvDecoded, int cbDecoded)
{
Debug.Assert(cbDecoded >= sizeof(CRYPT_BIT_BLOB));
CRYPT_BIT_BLOB *pBlob = (CRYPT_BIT_BLOB *)pvDecoded;
keyUsagesAsUint = 0;
byte *pbData = pBlob->pbData;
if (pbData != null)
{
Debug.Assert((uint)pBlob->cbData < 3, "Unexpected length for X509_KEY_USAGE data");
switch (pBlob->cbData)
{
case 1:
keyUsagesAsUint = *pbData;
break;
case 2:
keyUsagesAsUint = *(ushort *)(pbData);
break;
}
}
}
);
keyUsages = (X509KeyUsageFlags)keyUsagesAsUint;
}
}
public void DecodeX509KeyUsageExtension(byte[] encoded, out X509KeyUsageFlags keyUsages)
{
unsafe
{
uint keyUsagesAsUint = 0;
encoded.DecodeObject(
CryptDecodeObjectStructType.X509_KEY_USAGE,
delegate(void *pvDecoded)
{
CRYPT_BIT_BLOB *pBlob = (CRYPT_BIT_BLOB *)pvDecoded;
keyUsagesAsUint = 0;
if (pBlob->pbData != null)
{
keyUsagesAsUint = *(uint *)(pBlob->pbData);
}
}
);
keyUsages = (X509KeyUsageFlags)keyUsagesAsUint;
}
}
