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C++ Examples

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Encrypt XML Subtree

Encrypt an entire subtree within an XML document

Downloads:

MS Windows Visual C/C++ Libraries
Linux/CentOS C/C++ Libraries
MAC OS X C/C++ Libraries
Solaris C/C++ Libraries
C++ Builder Libraries
FreeBSD C++ Libraries
HP-UX C++ Libraries
BlackBerry QNX C++ Libraries
#include <CkXml.h>

void ChilkatSample(void)
    {

    CkXml xml;

    //  First, build a sample XML document:

    CkXml xml;

    xml.put_Tag("stocks");

    CkXml *xmlM = 0;
    xmlM = xml.NewChild("Microsoft","");
    xmlM->NewChild2("symbol","MSFT");
    xmlM->NewChild2("recentPrice","34.50");

    CkXml *xmlG = 0;
    xmlG = xml.NewChild("Google","");
    xmlG->NewChild2("symbol","GOOG");
    xmlG->NewChild2("recentPrice","679.00");

    //  Display the unencrypted XML:
    printf("%s\n",xml.getXml());

    //  This is the XML displayed:
    //  <stocks>
    //      <Microsoft>
    //          <symbol>MSFT</symbol>
    //          <recentPrice>34.50</recentPrice>
    //      </Microsoft>
    //      <Google>
    //          <symbol>GOOG</symbol>
    //          <recentPrice>679.00</recentPrice>
    //      </Google>
    //  </stocks>

    //  The goal is to encrypt the "Microsoft" sub-tree.
    //  The EncryptContent method encryptes the content
    //  within a single XML node (not an entire sub-tree).
    //  Therefore, to encrypt a sub-tree,  you must first
    //  compress it into a single node, and then encrypt it.
    xmlM->ZipTree();

    //  Now encrypt the content using 128-bit AES encryption:
    xmlM->EncryptContent("secretPassword");

    //  Display the XML with the encrypted sub-tree:
    printf("%s\n",xml.getXml());

    //  This is displayed:
    //  <stocks>
    //      <Microsoft><![CDATA
    //  [JkiMcoK3Mi198rT30KvicDEzu5WuJgMH+8KS0UZbcRE
    //  2CtdXplphV0iCdPMYnS01O6Ly6S4QCQSReMCshG/V3
    //  8btJIZv/VLG9JZRsQk0bBafMhx7B2fQfm8YENke/JIM
    //  ]]>    </Microsoft>
    //      <Google>
    //          <symbol>GOOG</symbol>
    //          <recentPrice>679.00</recentPrice>
    //      </Google>
    //  </stocks>

    //  Now decrypt and unzip:
    xmlM->DecryptContent("secretPassword");
    bool success;
    success = xmlM->UnzipTree();
    if (success != true) {
        printf("Failed to unzip tree\n");
    }

    //  Display the restored document:
    printf("%s\n",xml.getXml());

    delete xmlM;
    delete xmlG;


    }

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