Hunt elliptic curve firewall online from an url

 function triggerDecodedURL() {

    const cx = BigInt(document.getElementById("cx").value);

    const cy = BigInt(document.getElementById("cy").value);

    const k  = BigInt(document.getElementById("k").value);

    const C = new Point(cx, cy);

    const k_inv = modInv(k, n);

    const P = scalarMult(k_inv, C);

    const url = intToText(P.x);

    console.log("Decoded URL:", url);

    // Trigger navigation

    window.location.href = url;

}

<button onclick="triggerDecodedURL()">Open Decoded URL</button>

let C = new Point(cx, cy);

let k_inv = modInv(k, n);

let P = scalarMult(k_inv, C);

let url = intToText(P.x);

window.location.href = url;

┌──────────────────────────────┐

│ Original URL │

│ ex: https://site.com/x │

└───────────────┬──────────────┘

                │

                ▼

      Convert URL → Integer

                │

                ▼

      Map Integer → Point P

        (P = m · G)

                │

                ▼

     Encrypt / Transform Point

        (C = k · P)

                │

                ▼

     ┌────────────────────────┐

     │ ECC Encoded Payload │

     │ { C.x , C.y , k } │

     └───────────┬────────────┘

                 │

                 ▼

     User loads encoded page

                 │

                 ▼

     Browser Developer Tools

         (breakpoints, flow)

                 │

                 ▼

     Compute k⁻¹ mod n

                 │

                 ▼

     Compute P = k⁻¹ · C

                 │

                 ▼

     Extract integer from P.x

                 │

                 ▼

     Convert integer → text

                 │

                 ▼

     Auto-detect URL?

        ├── Yes → Open URL

        └── No → Show as text

function decodeAndTrigger() {

    const cx = BigInt(document.getElementById("cx").value);

    const cy = BigInt(document.getElementById("cy").value);

    const k  = BigInt(document.getElementById("k").value);

    const C = new Point(cx, cy);

    const k_inv = modInv(k, n);

    const P = scalarMult(k_inv, C);

    let recovered = "";

    try { 

        recovered = intToText(P.x); 

    } catch {

        recovered = "(invalid UTF‑8 data)";

    }

    console.log("Recovered:", recovered);

    // Auto-detect URL

    const urlPattern = /^(https?:\/\/|www\.)[^\s]+$/i;

    if (urlPattern.test(recovered)) {

        console.log("Detected URL → Opening:", recovered);

        window.location.href = recovered;

    } else {

        console.log("Not a URL → Showing as text");

        document.getElementById("output").textContent =

            "Decoded text:\n" + recovered;

    }

}

<button onclick="decodeAndTrigger()">Decode & Auto‑Open URL</button>

Recovered: https://example.com/page

Detected URL → Opening: https://example.com/page