public static extern bool CryptAcquireContext(out SafeCspHandle phProv, string pszContainer, string pszProvider, CapiNative.ProviderType dwProvType, CapiNative.CryptAcquireContextFlags dwFlags);
internal static SafeCspHandle AcquireCsp(string keyContainer, string providerName, CapiNative.ProviderType providerType, CapiNative.CryptAcquireContextFlags flags)
{
if ((flags & CapiNative.CryptAcquireContextFlags.VerifyContext) == CapiNative.CryptAcquireContextFlags.VerifyContext && (flags & CapiNative.CryptAcquireContextFlags.MachineKeyset) == CapiNative.CryptAcquireContextFlags.MachineKeyset)
{
flags &= ~CapiNative.CryptAcquireContextFlags.MachineKeyset;
}
SafeCspHandle phProv = (SafeCspHandle)null;
if (!CapiNative.UnsafeNativeMethods.CryptAcquireContext(out phProv, keyContainer, providerName, providerType, flags))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
return(phProv);
}