codebase overhaul (#697)

1 files changed, 0 insertions, 71 deletions

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;

-}