Create a WinZip compatible AES Encrypted Zip

Creates a WinZip compatible 128-bit AES-encrypted .zip archive

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// Needs #include <CkZip.h>

    CkString strOut;


    CkZip zip;

    bool success;

    //  Any string unlocks the component for the 1st 30-days.
    success = zip.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = zip.NewZip("aes.zip");
    if (success != true) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Set properties to indicate that the Zip should be
    //  AES encrypted.

    //  A value of 4 indicates WinZip compatible AES encryption.
    zip.put_Encryption(4);

    //  Key length can be 128, 192, or 256 bits.
    zip.put_EncryptKeyLength(128);

    //  Set the password needed to unzip.
    zip.SetPassword("myPassword");

    //  Append a directory tree.  The AppendFiles does
    //  not read the file contents or append them to the zip
    //  object in memory.  It simply appends references
    //  to the files so that when WriteZip (or WriteZipAndClose,
    //  or WriteExe, etc.) is called, the files are compressed
    //  and encrypted.
    bool recurse;
    recurse = true;
    zip.AppendFiles("c:/temp/a/*",recurse);

    //  Write "AesEncrypted.zip"

    success = zip.WriteZipAndClose();
    if (success != true) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("Zip Created!\r\n");

    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());