Sample code for 30+ languages & platforms
C++

Example: Crypt2.GetSignedAttributes method

Demonstrates how to call the GetSignedAttributes method.

Chilkat C++ Downloads

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

void ChilkatSample(void)
    {
    bool success = false;

    CkCrypt2 crypt;

    CkBinData bdPkcs7;
    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"
    //      }
    //    ]
    //  }
    }