(Unicode C++) Create a WinZip/7-Zip compatible AES Encrypted Zip

Creates a WinZip compatible AES-encrypted .zip archive

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#include <CkZipW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZipW zip;

    bool success = zip.NewZip(L"/myZipDir/aes.zip");
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        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 for AES encryption:
    zip.put_EncryptPassword(L"myPassword");

    // Add a directory tree to be zipped.  (The files
    // are not compressed at this point -- only references
    // to the files and directories are added to the zip object.)
    bool recurse = true;
    success = zip.AppendFiles(L"c:/temp/a/*",recurse);
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    // Create the encrypted zip ("/myZipDir/aes.zip")
    // The path of the zip is what was originally passed
    // to the NewZip method (above).  
    bool success = zip.WriteZipAndClose();
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    wprintf(L"Created AES Encrypted Zip.\n");
    }