iTextSharp.text.pdf.PdfEncryption.CompareArray C# (CSharp) Метод

        private static bool CompareArray(byte[] a, byte[] b, int len)
        {
            for (int k = 0; k < len; ++k) {
            if (a[k] != b[k]) {
                return false;
            }
            }
            return true;
        }