/// <summary>
/// Imports the PKC s7.
/// </summary>
/// <param name="storeName">Name of the store.</param>
/// <param name="storeLoc">The store loc.</param>
/// <param name="pkcsBlob">The PKCS BLOB.</param>
/// <returns></returns>
/// <exception cref="System.Security.Cryptography.CryptographicException"></exception>
public static string ImportPKCS7(string storeName, StoreLocation storeLoc, byte[] pkcsBlob)
{
var pvPara = IntPtr.Zero;
var hMemStore = IntPtr.Zero;
var cBlob = new Crypt.CRYPT_DATA_BLOB()
{
cbData = pkcsBlob.Length, pbData = Marshal.AllocHGlobal(pkcsBlob.Length)
};
Marshal.Copy(pkcsBlob, 0, cBlob.pbData, pkcsBlob.Length);
try
{
pvPara = Marshal.AllocHGlobal(Marshal.SizeOf(cBlob));
Marshal.StructureToPtr(cBlob, pvPara, false);
var encodingType = Crypt.PKCS_7_ASN_ENCODING | Crypt.X509_ASN_ENCODING;
hMemStore = Crypt.CertOpenStore(Crypt.CERT_STORE_PROV_PKCS7, encodingType, IntPtr.Zero, 0, pvPara);
if (hMemStore == IntPtr.Zero)
{
throw new CryptographicException(Kernel.GetFormatMessage(Marshal.GetLastWin32Error()));
}
var memStore = new X509Store(hMemStore);
var certs = new X509Certificate2[memStore.Certificates.Count];
memStore.Certificates.CopyTo(certs, 0);
return(ImportCertificates(storeName, storeLoc, certs));
}
finally
{
if (hMemStore != IntPtr.Zero)
{
Crypt.CertCloseStore(hMemStore, Crypt.CERT_CLOSE_STORE_CHECK_FLAG);
}
if (pvPara != IntPtr.Zero)
{
Marshal.FreeHGlobal(pvPara);
}
if (cBlob.pbData != IntPtr.Zero)
{
Marshal.FreeHGlobal(cBlob.pbData);
}
}
}