Remove Node crypto dependency from sim

Author: Zarel

package-lock.json

@@ -71,7 +71,7 @@
     "@stylistic/eslint-plugin": "^4.0.1",
     "@types/better-sqlite3": "^7.6.2",
     "@types/cloud-env": "^0.2.2",
-    "@types/node": "^14.18.63",
+    "@types/node": "^18.19.76",
     "@types/node-static": "^0.7.7",
     "@types/nodemailer": "^6.4.4",
     "@types/pg": "^8.6.5",

package.json

@@ -14,7 +14,6 @@
 
 import { Chacha20 } from 'ts-chacha20';
 import { Utils } from '../lib/utils';
-import * as crypto from 'crypto';
 
 export type PRNGSeed = `${'sodium' | 'gen5' | number},${string}`;
 export type SodiumRNGSeed = ['sodium', string];
@@ -209,9 +208,17 @@ export class SodiumRNG implements RNG {
 	}
 
 	static generateSeed(): SodiumRNGSeed {
+		const seed = new Uint32Array(4);
+		// @ts-expect-error Web Crypto is available in Node
+		crypto.getRandomValues(seed);
+		// 32 bits each, 128 bits total (16 bytes)
+		const strSeed = seed[0].toString(16).padStart(8, '0') +
+			seed[1].toString(16).padStart(8, '0') +
+			seed[2].toString(16).padStart(8, '0') +
+			seed[3].toString(16).padStart(8, '0');
 		return [
 			'sodium',
-			crypto.randomBytes(16).toString('hex'),
+			strSeed,
 		];
 	}
 }