From 7bf0984698e43b9aa2dd879f65951318ed410390 Mon Sep 17 00:00:00 2001
From: Maze <167211895+mazeincoding@users.noreply.github.com>
Date: Sat, 31 Jan 2026 00:20:04 +0100
Subject: codebase overhaul (#697)

---
 apps/web/src/lib/zk-encryption.ts | 71 ---------------------------------------
 1 file changed, 71 deletions(-)
 delete mode 100644 apps/web/src/lib/zk-encryption.ts

(limited to 'apps/web/src/lib/zk-encryption.ts')

diff --git a/apps/web/src/lib/zk-encryption.ts b/apps/web/src/lib/zk-encryption.ts
deleted file mode 100644
index 58734807..00000000
--- a/apps/web/src/lib/zk-encryption.ts
+++ /dev/null
@@ -1,71 +0,0 @@
-/**
- * True zero-knowledge encryption utilities
- * Keys are generated randomly in the browser and never derived from server secrets
- */
-
-export interface ZeroKnowledgeEncryptionResult {
-  encryptedData: ArrayBuffer;
-  key: ArrayBuffer;
-  iv: ArrayBuffer;
-}
-
-/**
- * Encrypt data with a randomly generated key (true zero-knowledge)
- */
-export async function encryptWithRandomKey(
-  data: ArrayBuffer
-): Promise<ZeroKnowledgeEncryptionResult> {
-  // Generate a truly random 256-bit key
-  const key = crypto.getRandomValues(new Uint8Array(32));
-
-  // Generate random IV
-  const iv = crypto.getRandomValues(new Uint8Array(12));
-
-  // Import the key for encryption
-  const cryptoKey = await crypto.subtle.importKey(
-    "raw",
-    key,
-    { name: "AES-GCM" },
-    false,
-    ["encrypt"]
-  );
-
-  // Encrypt the data
-  const encryptedResult = await crypto.subtle.encrypt(
-    { name: "AES-GCM", iv },
-    cryptoKey,
-    data
-  );
-
-  // For AES-GCM, we need to append the authentication tag
-  // The encrypted result contains both ciphertext and tag
-  return {
-    encryptedData: encryptedResult,
-    key: key.buffer,
-    iv: iv.buffer,
-  };
-}
-
-/**
- * Convert ArrayBuffer to base64 string for transmission
- */
-export function arrayBufferToBase64(buffer: ArrayBuffer): string {
-  const bytes = new Uint8Array(buffer);
-  let binary = "";
-  for (let i = 0; i < bytes.byteLength; i++) {
-    binary += String.fromCharCode(bytes[i]);
-  }
-  return btoa(binary);
-}
-
-/**
- * Convert base64 string back to ArrayBuffer
- */
-export function base64ToArrayBuffer(base64: string): ArrayBuffer {
-  const binary = atob(base64);
-  const bytes = new Uint8Array(binary.length);
-  for (let i = 0; i < binary.length; i++) {
-    bytes[i] = binary.charCodeAt(i);
-  }
-  return bytes.buffer;
-}
-- 
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