|
private CryptAcquireContext ( |
||
| hProv | ||
| containerName | string | |
| providerName | string | |
| providerType | int | |
| flags | CryptContextFlags | |
| Результат | bool | |
/// <summary>
/// Passa PIN Code (Senha/Password) para Certificados
/// eToken como o A3 do SERASA do Brasil
/// </summary>
/// <param name="_Certificado">O Certificado que está sendo usado
/// para a criptografia</param>
/// <param name="_PinPassword">O Pin Code / Senha / Password</param>
public static void SetPinPrivateKey(this X509Certificate2 _Certificado, string _PinPassword)
{
if (_Certificado == null)
{
throw new ArgumentNullException("_Certificado == null!");
}
var key = (RSACryptoServiceProvider)_Certificado.PrivateKey;
IntPtr ProviderHandle = IntPtr.Zero;
byte[] PinBuffer = Encoding.ASCII.GetBytes(_PinPassword);
//Não é necessário descarregar o handle
SafeNativeMethods.Execute(() => SafeNativeMethods.CryptAcquireContext(
ref ProviderHandle,
key.CspKeyContainerInfo.KeyContainerName,
key.CspKeyContainerInfo.ProviderName,
key.CspKeyContainerInfo.ProviderType,
SafeNativeMethods.CryptContextFlags.Silent)
);
SafeNativeMethods.Execute(() => SafeNativeMethods.CryptSetProvParam(
ProviderHandle,
SafeNativeMethods.CryptParameter.KeyExchangePin,
PinBuffer,
0)
);
SafeNativeMethods.Execute(() => SafeNativeMethods.CertSetCertificateContextProperty(
_Certificado.Handle,
SafeNativeMethods.CertificateProperty.CryptoProviderHandle,
0,
ProviderHandle)
);
}