(Go) Load Base64-encoded X.509 Certificate (.cer)

Loads a digital certificate from a base64 encoded DER X.509 Certificate (.cer, .crt) and fetches information about the cert.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    cert := chilkat.NewCert()

    var success bool

    // LoadFromFile will load virtually any certificate format file.
    // It will auto-recognize the format and load appropiately.
    // A base64-encoded DER X.509 certificate file
    // contains the binary DER in base64 encoded form.
    // Therefore, it is a text file that will begin like this:
    // -----BEGIN CERTIFICATE-----
    // MIIFbjCCBFagAwIBAgIGdDPNv/L0MA0GCSqGSIb3DQEBBQUAMIHKMQswCQYDVQQG
    // EwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEaMBgG
    // ...

    success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_base64.cer")
    if success != true {
        fmt.Println(cert.LastErrorText())
        cert.DisposeCert()
        return
    }

    // DN = "Distinguished Name"
    fmt.Println("SubjectDN:", cert.SubjectDN())

    fmt.Println("Common Name:", cert.SubjectCN())
    fmt.Println("Issuer Common Name:", cert.IssuerCN())

    fmt.Println("Serial Number:", cert.SerialNumber())

    cert.DisposeCert()