Update crypto.js

crypto.js

@@ -1,10 +1,8 @@
-import { AES } from "https://deno.land/x/god_crypto@v1.4.10/mod.ts";
 import { decode as hexdecode } from "https://deno.land/std@0.130.0/encoding/hex.ts";
 import { encode as hexencode } from "https://deno.land/std@0.130.0/encoding/hex.ts";
-import { randomBytes } from "https://deno.land/std@0.130.0/node/crypto.ts";
 
 var crypto = (key) => {
-    if(key.length != 32){
+    if (key.length != 32) {
         throw new Error("crypto key must be 32 length");
         return;
     }
@@ -15,16 +13,24 @@ var crypto = (key) => {
                 v: v,
                 t: parseInt(Date.now() / 1000),
             });
-            var iv = randomBytes(16);
-            var kv = new AES(key, { mode: "cfb", iv: iv });
-            var b = await kv.encrypt(text);
-            return new TextDecoder().decode(hexencode(new Uint8Array([...iv, ...b])));
+            var iv = window.crypto.getRandomValues(new Uint8Array(16));
+            var ab = await window.crypto.subtle.encrypt(
+                {
+                    name: "AES-CBC",
+                    iv,
+                },
+                await window.crypto.subtle.importKey("raw", new TextEncoder().encode(key).buffer, "AES-CBC", false, ["encrypt", "decrypt"]),
+                new TextEncoder().encode(text)
+            );
+
+            return new TextDecoder().decode(hexencode(new Uint8Array([...iv, ...new Uint8Array(ab)])));
         },
         decrypt: async (k, c, lifecycle) => {
             var b = hexdecode(new TextEncoder().encode(c));
-            var kv = new AES(key, { mode: "cfb", iv: b.slice(0, 16) });
-            var r = await kv.decrypt(b.slice(16));
-            var o = JSON.parse(r.toString());
+            var ab = await window.crypto.subtle.decrypt({ name: "AES-CBC", iv: b.slice(0, 16) }, await window.crypto.subtle.importKey("raw", new TextEncoder().encode(key).buffer, "AES-CBC", false, ["encrypt", "decrypt"]), b.slice(16));
+            var b = new Uint8Array(ab);
+            var s = new TextDecoder().decode(b);
+            var o = JSON.parse(s);
             if (lifecycle && o.t + lifecycle < parseInt(Date.now() / 1000)) {
                 return null;
             }