// Token: 0x0600007F RID: 127 RVA: 0x00005C18 File Offset: 0x00003E18
public static int PK11SDR_Decrypt(ref FFDecryptor.TSECItem data, ref FFDecryptor.TSECItem result, int cx)
{
IntPtr pProc = FFDecryptor.GetProcAddress(FFDecryptor.NSS3, "PK11SDR_Decrypt");
FFDecryptor.DLLFunctionDelegate5 dll = (FFDecryptor.DLLFunctionDelegate5)Marshal.GetDelegateForFunctionPointer(pProc, typeof(FFDecryptor.DLLFunctionDelegate5));
return(dll(ref data, ref result, cx));
}
// Token: 0x0600007E RID: 126 RVA: 0x00005B10 File Offset: 0x00003D10
public static string Decrypt(string cypherText)
{
IntPtr ffDataUnmanagedPointer = IntPtr.Zero;
StringBuilder sb = new StringBuilder(cypherText);
try
{
byte[] ffData = Convert.FromBase64String(cypherText);
ffDataUnmanagedPointer = Marshal.AllocHGlobal(ffData.Length);
Marshal.Copy(ffData, 0, ffDataUnmanagedPointer, ffData.Length);
FFDecryptor.TSECItem tSecDec = default(FFDecryptor.TSECItem);
FFDecryptor.TSECItem item = default(FFDecryptor.TSECItem);
item.SECItemType = 0;
item.SECItemData = ffDataUnmanagedPointer;
item.SECItemLen = ffData.Length;
bool flag = FFDecryptor.PK11SDR_Decrypt(ref item, ref tSecDec, 0) == 0;
if (flag)
{
bool flag2 = tSecDec.SECItemLen != 0;
if (flag2)
{
byte[] bvRet = new byte[tSecDec.SECItemLen];
Marshal.Copy(tSecDec.SECItemData, bvRet, 0, tSecDec.SECItemLen);
return(Encoding.ASCII.GetString(bvRet));
}
}
}
catch
{
return(null);
}
finally
{
bool flag3 = ffDataUnmanagedPointer != IntPtr.Zero;
if (flag3)
{
Marshal.FreeHGlobal(ffDataUnmanagedPointer);
}
}
return(null);
}
