(Go) Example: Mime.GetDecryptCertInfo method

Demonstrates the GetDecryptCertInfo method.

Note: This example requires Chilkat v11.4.0 or greater.

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    success := false

    mime := Mime_Ref.html">chilkat.NewMime()

    // Load MIME that is has Content-Type like this:
    // Content-Type: application/pkcs7-mime; smime-type="enveloped-data"; name="smime.p7m"; smime-type="enveloped-data"
    success = mime.LoadMimeFile("qa_data/mime/enveloped_data.eml")
    if success == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        return
    }

    // Get information about the certificate that would be needed to decrypt.
    // An enveloped-data can potentially be decrypted by multiple certificates if it was encrypted in a way that allows it,
    // but in most cases, only a single certificate with associated private key (that of the message recipient) is possible.
    json := JsonObject_Ref.html">chilkat.NewJsonObject()
    success = mime.GetDecryptCertInfo(json)
    if success == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        json.DisposeJsonObject()
        return
    }

    json.SetEmitCompact(false)
    fmt.Println(*json.Emit())

    // Sample output:

    // {
    //   "recipientInfo": [
    //     {
    //       "serial": "****",
    //       "issuerCN": "****"
    //     }
    //   ]
    // }

    // Get each certificate's information like this:
    var serial *string = new(string)
    var issuerCN *string = new(string)

    i := 0
    count := json.SizeOfArray("recipientInfo")
    for i < count {
        json.SetI(i)
        serial = json.StringOf("recipientInfo[i].serial")
        issuerCN = json.StringOf("recipientInfo[i].issuerCN")
        i = i + 1
    }


    mime.DisposeMime()
    json.DisposeJsonObject()