internal static bool CryptAcquireContext([In, Out] ref SafeCryptProvHandle hCryptProv, [In, MarshalAs(UnmanagedType.LPStr)] string pwszContainer, [In, MarshalAs(UnmanagedType.LPStr)] string pwszProvider, [In] uint dwProvType, [In] uint dwFlags)
{
CspParameters parameters = new CspParameters {
ProviderName = pwszProvider,
KeyContainerName = pwszContainer,
ProviderType = (int)dwProvType,
KeyNumber = -1,
Flags = ((dwFlags & 0x20) == 0x20) ? CspProviderFlags.UseMachineKeyStore : CspProviderFlags.NoFlags
};
KeyContainerPermission permission = new KeyContainerPermission(KeyContainerPermissionFlags.NoFlags);
KeyContainerPermissionAccessEntry accessEntry = new KeyContainerPermissionAccessEntry(parameters, KeyContainerPermissionFlags.Open);
permission.AccessEntries.Add(accessEntry);
permission.Demand();
bool flag = CAPIUnsafe.CryptAcquireContext(ref hCryptProv, pwszContainer, pwszProvider, dwProvType, dwFlags);
if (!flag && (Marshal.GetLastWin32Error() == -2146893802))
{
flag = CAPIUnsafe.CryptAcquireContext(ref hCryptProv, pwszContainer, pwszProvider, dwProvType, dwFlags | 8);
}
return(flag);
}
