private void ThrowBetterException(bool keyMustExist)
{
SafeCryptContextHandle hProv = null;
int success = 0;
try {
success = UnsafeNativeMethods.CryptAcquireContext(out hProv, KeyContainerName, CspProviderName, PROV_Rsa_FULL, UseMachineContainer ? CRYPT_MACHINE_KEYSET : 0);
if (success != 0)
{
return; // propagate original exception
}
int hr = Marshal.GetHRForLastWin32Error();
if (hr == HResults.NteBadKeySet && !keyMustExist)
{
return; // propagate original exception
}
switch (hr)
{
case HResults.NteBadKeySet:
case HResults.Win32AccessDenied:
case HResults.Win32InvalidHandle:
throw new ConfigurationErrorsException(SR.GetString(SR.Key_container_doesnt_exist_or_access_denied));
default:
Marshal.ThrowExceptionForHR(hr);
break;
}
} finally {
if (!(hProv == null || hProv.IsInvalid))
{
hProv.Dispose();
}
}
}
private void ThrowBetterException(bool keyMustExist)
{
SafeCryptContextHandle phProv = null;
try
{
if (Microsoft.Win32.UnsafeNativeMethods.CryptAcquireContext(out phProv, this.KeyContainerName, this.CspProviderName, 1, this.UseMachineContainer ? 0x20 : 0) == 0)
{
int errorCode = Marshal.GetHRForLastWin32Error();
if ((errorCode != -2146893802) || keyMustExist)
{
switch (errorCode)
{
case -2147024891:
case -2147024890:
case -2146893802:
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Key_container_doesnt_exist_or_access_denied"));
}
Marshal.ThrowExceptionForHR(errorCode);
}
}
}
finally
{
if ((phProv != null) && !phProv.IsInvalid)
{
phProv.Dispose();
}
}
}
