(Go) SFTP use Cert's Private Key from PFX (.pfx/.p12)

Demonstrates how to use the private key associated with a certificate from a .pfx/.p12 file.

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

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

    cert := chilkat.NewCert()

    pfxFilepath := "qa_data/pfx/my.pfx"
    pfxPassword := "secret"

    // A PFX typically contains certificates in the chain of authentication.
    // The Chilkat cert object will choose the certificate w/
    // private key farthest from the root authority cert.
    // To access all the certificates in a PFX, use the 
    // Chilkat certificate store object instead.
    success := cert.LoadPfxFile(pfxFilepath,pfxPassword)
    if success != true {
        fmt.Println(cert.LastErrorText())
        cert.DisposeCert()
        return
    }

    // Get the private key.  
    privKey := cert.ExportPrivateKey()
    if cert.LastMethodSuccess() == false {
        fmt.Println(cert.LastErrorText())
        cert.DisposeCert()
        return
    }

    privKeyPem := privKey.GetPkcs8Pem()
    if privKey.LastMethodSuccess() == false {
        fmt.Println(privKey.LastErrorText())
        cert.DisposeCert()
        return
    }

    sshKey := chilkat.NewSshKey()
    success = sshKey.FromOpenSshPrivateKey(*privKeyPem)
    if success == false {
        fmt.Println(sshKey.LastErrorText())
        cert.DisposeCert()
        sshKey.DisposeSshKey()
        return
    }

    // Connect to an SSH/SFTP server
    sftp := chilkat.NewSFtp()
    success = sftp.Connect("sftp.example.com",22)
    if success == false {
        fmt.Println(sftp.LastErrorText())
        cert.DisposeCert()
        sshKey.DisposeSshKey()
        sftp.DisposeSFtp()
        return
    }

    // Authenticate with the SSH server using a username + private key.
    // (The private key serves as the password.  The username identifies
    // the SSH user account on the server.)
    success = sftp.AuthenticatePk("mySshLogin",sshKey)
    if success == false {
        fmt.Println(sftp.LastErrorText())
        cert.DisposeCert()
        sshKey.DisposeSshKey()
        sftp.DisposeSFtp()
        return
    }

    fmt.Println("OK, the connection and authentication with the SSH server is completed.")

    // This example is only to show the connection + authentication using a private key associated with a certificate in the Windows certificate store...

    cert.DisposeCert()
    sshKey.DisposeSshKey()
    sftp.DisposeSFtp()