Load a Private Key from BinData (Any Format)

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Demonstrates the Chilkat PrivateKey.LoadAnyFormat method, which loads a private key by inspecting the bytes in a BinData. The first argument is the BinData and the second is the password (used if the detected key is encrypted).

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own key file.

Background: When you have key bytes in memory but do not know their exact format — downloaded, decrypted, or pulled from a database — this figures it out for you, recognizing PKCS #1/#8 DER, encrypted PKCS #8, PEM, JWK, Chilkat XML, Microsoft formats, and more. It removes the guesswork of choosing a specific loader, at the small cost of the detection step. Supply the password so it can decrypt an encrypted key without a second call.

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    success := false

    //  Demonstrates the PrivateKey.LoadAnyFormat method, which loads a private key by inspecting the
    //  bytes in a BinData.  The 1st argument is the BinData and the 2nd is the password (used if the
    //  detected key is encrypted).

    bd := chilkat.NewBinData()
    success = bd.LoadFile("qa_data/some_private_key")
    if success == false {
        fmt.Println(bd.LastErrorText())
        bd.DisposeBinData()
        return
    }

    privKey := chilkat.NewPrivateKey()

    //  The key password is not hard-coded in a real application; obtain it from an interactive
    //  prompt, environment variable, or a secrets vault.
    password := "myKeyPassword"

    //  Chilkat auto-detects the representation: PKCS #1/#8 DER, encrypted PKCS #8, PEM, JWK,
    //  Chilkat XML, Microsoft formats, and more.
    success = privKey.LoadAnyFormat(bd,password)
    if success == false {
        fmt.Println(privKey.LastErrorText())
        bd.DisposeBinData()
        privKey.DisposePrivateKey()
        return
    }

    fmt.Println("Loaded a ", privKey.KeyType(), " private key.")

    bd.DisposeBinData()
    privKey.DisposePrivateKey()