aaaaaaaaaaaaaaaaaa

static/js/lz-string.min.js

@@ -1,3 +1,14 @@
+/**
+ * Copyright (c) 2013 Pieroxy <pieroxy@pieroxy.net>
+ * This work is free. You can redistribute it and/or modify it
+ * under the terms of the WTFPL, Version 2
+ * For more information see LICENSE.txt or http://www.wtfpl.net/
+ *
+ * For more information, the home page:
+ * http://pieroxy.net/blog/pages/lz-string/testing.html
+ *
+ * LZ-based compression algorithm, version 1.4.5
+ */
 var LZString = (function () {
     var r = String.fromCharCode,
         o = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

static/js/modules/crypto/random_primes.js

@@ -1,6 +1,6 @@
 import { mod_exp } from "./math.js";
 
-export const KEY_SIZE = 1024;
+export const KEY_SIZE = 512;
 
 export function cryptoRandom(bits) {
     if (bits === undefined) {
@@ -90,7 +90,7 @@ function miller_rabin(n, k) {
 
 export function generate_prime() {
     while (true) {
-        let n = generate_bigint();
+        let n = generate_bigint() | 0b11n;
         if (small_prime_test(n) && miller_rabin(n, 40)) {
             return n;
         }
@@ -109,6 +109,8 @@ export function generate_safe_prime() {
     }
 }
 
+window.generate_safe_prime = generate_safe_prime;
+
 const SMALL_PRIMES = [
     2n,
     3n,

static/js/modules/interface/game.js

@@ -12,6 +12,7 @@ export class Game {
         this.us = null;
         this.players = {};
         this.state = WAITING;
+        this.contendedRegion = null;
 
         this.allPlaced = false;
     }

static/js/modules/interface/main.js

@@ -165,6 +165,11 @@ document.addEventListener("ACT", async (ev) => {
     }
 });
 
+document.addEventListener("RESOLVE", (ev) => {
+    const data = ev.detail;
+    game.contendedRegion.handleResolve(data);
+});
+
 // todo has to filter by player
 document.addEventListener("PROOF", async (ev) => {
     const data = ev.detail;

static/js/modules/interface/map.js

@@ -113,6 +113,10 @@ export class Region {
         this.neighbours = new Set();
         this.continent = continent;
 
+        this.attackResolver = null;
+        this.attackerRes = null;
+        this.defenderRes = null;
+
         REGIONS[name] = this;
     }
 
@@ -172,6 +176,48 @@ export class Region {
     verify(plainText, a) {
         this.strength.verify(this.name, plainText, a);
     }
+
+    async handleResolve(resolution) {
+        await navigator.locks.request(`region-${this.name}`, () => {
+            if (resolution.author === this.owner.id) {
+                this.defenderRes = resolution;
+            } else {
+                this.attackerRes = resolution;
+            }
+
+            if (
+                this.attackResolver !== null &&
+                this.defenderRes !== null &&
+                this.attackerRes !== null
+            ) {
+                this.attackResolver({
+                    attackerRes: this.attackerRes,
+                    defenderRes: this.defenderRes,
+                });
+            }
+        });
+    }
+
+    async resolveAttack() {
+        let promise;
+        await navigator.locks.request(`region-${this.name}`, () => {
+            if (this.attackerRes === null || this.defenderRes === null) {
+                let resolver;
+                promise = new Promise((resolve) => {
+                    resolver = resolve;
+                });
+                this.attackResolver = resolver;
+            } else {
+                promise = new Promise((resolve) => {
+                    resolve({
+                        attackerRes: this.attackerRes,
+                        defenderRes: this.defenderRes,
+                    });
+                });
+            }
+        });
+        return promise;
+    }
 }
 
 window.Region = Region;

static/js/modules/interface/packet.js

@@ -161,4 +161,28 @@ export class Packet {
             region: region,
         });
     }
+
+    static createRegionProof(proof) {
+        return this._sign({
+            ...this._createBase("RESOLVE"),
+            action: "MAINTAIN",
+            proof: proof,
+        });
+    }
+
+    static createRegionYield() {
+        return this._sign({
+            ...this._createBase("RESOLVE"),
+            action: "YIELD",
+            proof: proof,
+        });
+    }
+
+    static createRegionCapture(cipherText) {
+        return this._sign({
+            ...this._createBase("RESOLVE"),
+            action: "CAPTURE",
+            cipherText: cipherText,
+        });
+    }
 }

static/js/modules/interface/player.js

@@ -5,6 +5,7 @@ import { PaillierPubKey, ReadOnlyCiphertext } from "../crypto/paillier.js";
 import { Region } from "./map.js";
 import { showDefenseDom } from "./dom.js";
 import {
+    proveBitLength,
     proveFortify,
     proveRange,
     proveRegions,
@@ -325,6 +326,8 @@ export class Player {
             return false;
         }
 
+        game.contendedRegion = defender;
+
         // If we're the defender, we need to send a packet to state our defense.
         if (defender.owner === game.us) {
             showDefenseDom(defender.name);
@@ -340,8 +343,6 @@ export class Player {
             defenderStrength = await defender.owner.getDefense();
         }
 
-        console.log(defenderStrength);
-
         /* How do Risk attacks work?
         - Offender signs 1-3 armies, defender signs 1-2 armies
         - Both roll respective dice
@@ -387,10 +388,16 @@ export class Player {
         // Handle aftermath.
         if (defender.owner === game.us) {
             if (defender.strength.cipherText.plainText === 0n) {
-                // Handle region loss
+                // State we don't control the region. This makes programming easier.
+                socket.emit("message", Packet.createRegionYield());
             } else {
+                let ct = defender.strength.cipherText.clone();
+                ct.update(new Ciphertext(ct.pubKey, -2n, 0n));
                 // Prove we still control the region
-                let proof = proveRange(defender.strength.cipherText, 2n ** 32n);
+                let proof = proveBitLength(ct);
+
+                // Send proof we maintain it
+                socket.emit("message", Packet.createRegionProof(proof));
             }
         } else if (this === game.us) {
             if (defender.strength.assumedStrength === 0n) {
@@ -400,14 +407,29 @@ export class Player {
                     new Ciphertext(this.paillierPubKey, offenderRolls.length + 1),
                     defender.name
                 );
+
+                // Send the new ciphertext
+                socket.emit(
+                    "message",
+                    Packet.createRegionCapture(defender.strength.cipherText)
+                );
+            } else {
+                // State we didn't capture. Again, makes programming easier.
+                socket.emit("message", Packet.createRegionYield());
             }
         } else {
-            await defender.resolveConflict();
+            let resolutions = await defender.resolveAttack();
+
+            console.log(resolutions);
         }
 
         // Reset the promises in case they attack again.
         defender.owner.defenderPromise = null;
         defender.owner.defenderAmount = null;
+        defender.defenderRes = null;
+        defender.attackerRes = null;
+        defender.attackResolver = null;
+        game.contendedRegion = null;
     }
 
     async setDefense(amount) {

static/js/modules/interface/proofs.js

@@ -1,7 +1,7 @@
 import { cryptoRandom } from "../crypto/random_primes.js";
 import { Region } from "./map.js";
 
-const ROUNDS = 24;
+const ROUNDS = 12;
 
 function cryptoRange(upper) {
     // This is ridiculous: why implement a BigInt primitive, have it behave like a number, and then _not_ offer