C++

Subject Alternative Name for ICP Brasil Certs

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Demonstrates how to access the multiple names contained in the Subject Alternative Name of a certificate. This example is for an ICP Brasil certificate. C++

#include <CkCert.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkCert cert;

    success = cert.LoadFromFile("qa_data/certs/testIcpBrasil.cer");
    if (success == false) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    // If the cert's Subject Alternative Name contains multiple values, each specified by an OID,
    // then the Rfc822Name property returns XML.
    const char *subjectAltNameXml = cert.rfc822Name();

    std::cout << subjectAltNameXml << "\r\n";

    // Here's a sample of the subjectAltNameXml:

    // <SubjectAltName>
    //     <name type="oid" oid="2.16.76.1.3.4">290999653223955019700000000000000000000150424SRJUXPTS</name>
    //     <name type="oid" oid="2.16.76.1.3.2">JOAO SILVA</name>
    //     <name type="oid" oid="2.16.76.1.3.3">02408939000115</name>
    //     <name type="oid" oid="2.16.76.1.3.7">000000000000</name>
    // </SubjectAltName>

    // The XML can be parsed like this:

    CkXml xml;
    xml.LoadXml(subjectAltNameXml);

    const char *oid = 0;
    const char *name = 0;

    int i = 0;
    int count_i = xml.NumChildrenHavingTag("name");
    while (i < count_i) {
        xml.put_I(i);
        oid = xml.chilkatPath("name[i]|(oid)");
        name = xml.getChildContent("name[i]");
        std::cout << oid << ": " << name << "\r\n";
        i = i + 1;
    }
    }