(C++) Example: Crypt2.GetSignedAttributes method

Demonstrates how to call the GetSignedAttributes method.

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#include <CkCrypt2.h>
#include <CkBinData.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    CkCrypt2 crypt;

    CkBinData bdPkcs7;
    bool success = bdPkcs7.LoadFile("qa_data/cades/CAdES-T/Signature-C-T-1.p7m");
    if (success == false) {
        std::cout << bdPkcs7.lastErrorText() << "\r\n";
        return;
    }

    CkJsonObject json;
    json.put_EmitCompact(false);

    CkStringBuilder sbJson;
    int i = 0;
    bool tryNext = true;
    while (tryNext) {
        if (crypt.GetSignedAttributes(i,bdPkcs7,sbJson) == true) {
            json.LoadSb(sbJson);
            std::cout << i << ": " << "\r\n";
            std::cout << json.emit() << "\r\n";
        }
        else {
            tryNext = false;
        }

        i = i + 1;
    }

    // Sample output:

    // 0: 
    // {
    //   "signedAttributes": [
    //     {
    //       "oid": "1.2.840.113549.1.9.3",
    //       "name": "Content Type"
    //     },
    //     {
    //       "oid": "1.2.840.113549.1.9.5",
    //       "name": "Signing Time"
    //     },
    //     {
    //       "oid": "1.2.840.113549.1.9.4",
    //       "name": "Message Digest"
    //     },
    //     {
    //       "oid": "1.2.840.113549.1.9.16.2.47",
    //       "name": "Signing Certificate V2"
    //     }
    //   ]
    // }
    }