C

Encrypt MIME using PEM Certificate

See more MIME Examples

Encrypt MIME using a PEM certificate. C

#include <C_CkMime.h>
#include <C_CkCert.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkMime mime;
    HCkCert cert;

    success = FALSE;

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

    mime = CkMime_Create();

    // Create a simple MIME message to be encrypted:
    success = CkMime_AddHeaderField(mime,"Content-Type","text/plain");
    success = CkMime_AddHeaderField(mime,"abc","123");
    CkMime_SetBody(mime,"This is a test");

    cert = CkCert_Create();
    success = CkCert_LoadFromFile(cert,"qa_data/pem/mf_public_rsa.pem");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkMime_Dispose(mime);
        CkCert_Dispose(cert);
        return;
    }

    // Encrypt the MIME.
    success = CkMime_Encrypt(mime,cert);
    if (success == FALSE) {
        printf("%s\n",CkMime_lastErrorText(mime));
        CkMime_Dispose(mime);
        CkCert_Dispose(cert);
        return;
    }

    // Display the MIME:
    printf("%s\n",CkMime_getMime(mime));

    // The resulting S/MIME looks like this:

    // Content-Type: application/x-pkcs7-mime; name="smime.p7m"; smime-type="enveloped-data"
    // abc: 123
    // Content-Disposition: attachment; filename="smime.p7m"
    // Content-Transfer-Encoding: base64
    // 
    // MIICMAYJKoZIhvcNAQcDoIICITCCAh0CAQAxggGoMIIBpAIBADCBizB3MQswCQYDVQQGEwJQTDEi
    // MCAGA1UEChMZVW5pemV0byBUZWNobm9sb2dpZXMgUy5BLjEnMCUGA1UECxMeQ2VydHVtIENlcnRp
    // ZmljYXRpb24gQXV0aG9yaXR5MRswGQYDVQQDExJDZXJ0dW0gTGV2ZWwgSVYgQ0ECEDVuXbie8bb5
    // sHeajm5k3ZYwDQYJKoZIhvcNAQEBBQAEggEADNac7gEUOvTWfyqwe0cS+m65Lte7ZmDGRElvqeo7
    // C2+JZJfuxl2Roy+4vTovnn+9U2Yf5Kqc1m2ZPCE5Q8ExvOV4M0cTocLNLK6sfCR7cvo1xgf220qf
    // XYqWF1/ePuP9j1FrkFvBOoS4BREAnXsEa4zvuhvNPsMfjInK8wWnMftbLUiriAZBq391D+dxxX8M
    // kB1EHCWaS3H8WQI/caTnkRS6YdOCOrctJHtotkcU+4gcIxfTcq6yeloceURbesAYAvdRbIGszKCQ
    // FA2sC1x8SkDQCHfNUvmyS/fmkq5waFpmq1ksOspInb4ZM7SOjEUu+22vkAgbTmOS3MUdieuRcTBs
    // BgkqhkiG9w0BBwEwHQYJYIZIAWUDBAECBBClRoHLQZyzdHwoZA6pZjLYgEChuMzbQRXOjNF3RpnI
    // ZjNTKFDuhaUqk0rRTTn3D89F7ZMUBtoCP0bw+bH5UE9zpDaAgCF9s3W3/D5YNgAuw4AZ


    CkMime_Dispose(mime);
    CkCert_Dispose(cert);

    }