(Go) Convert PuTTY Private Key (ppk) to OpenSSH (pem)

Convert a PuTTY format private key file (.ppk) to OpenSSH (.pem).

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

    key := chilkat.NewSshKey()

    var success bool

    // Load an unencrypted or encrypted PuTTY private key.

    // If  your PuTTY private key is encrypted, set the Password
    // property before calling FromPuttyPrivateKey.
    // If your PuTTY private key is not encrypted, it makes no diffference
    // if Password is set or not set.
    key.SetPassword("secret")

    // First load the .ppk file into a string:
    var keyStr *string = new(string)
    keyStr = key.LoadText("putty_private_key.ppk")

    // Import into the SSH key object:
    success = key.FromPuttyPrivateKey(*keyStr)
    if success != true {
        fmt.Println(key.LastErrorText())
        key.DisposeSshKey()
        return
    }

    // Convert to an encrypted or unencrypted OpenSSH key.

    // First demonstrate converting to an unencrypted OpenSSH key
    var unencryptedKeyStr *string = new(string)
    bEncrypt := false
    unencryptedKeyStr = key.ToOpenSshPrivateKey(bEncrypt)
    success = key.SaveText(*unencryptedKeyStr,"unencrypted_openssh.pem")
    if success != true {
        fmt.Println(key.LastErrorText())
        key.DisposeSshKey()
        return
    }

    // Save to an encrypted OpenSSH PEM file:
    var encryptedKeyStr *string = new(string)
    bEncrypt = true
    key.SetPassword("myPassword")
    encryptedKeyStr = key.ToOpenSshPrivateKey(bEncrypt)
    success = key.SaveText(*encryptedKeyStr,"encrypted_openssh.pem")
    if success != true {
        fmt.Println(key.LastErrorText())
        key.DisposeSshKey()
        return
    }

    fmt.Println("Done!")

    key.DisposeSshKey()