Fix KDF algorithm

packages/status-communities/package.json

@@ -25,6 +25,7 @@
   "devDependencies": {
     "@types/chai": "^4.2.22",
     "@types/mocha": "^9.0.0",
+    "@types/pbkdf2": "^3.1.0",
     "@types/secp256k1": "^4.0.3",
     "@typescript-eslint/eslint-plugin": "^4.31.1",
     "@typescript-eslint/parser": "^4.31.1",
@@ -47,6 +48,7 @@
     "ecies-geth": "^1.5.3",
     "js-sha3": "^0.8.0",
     "js-waku": "^0.13.1",
+    "pbkdf2": "^3.1.2",
     "protobufjs": "^6.11.2",
     "secp256k1": "^4.0.2"
   }

packages/status-communities/src/encryption.spec.ts

@@ -0,0 +1,14 @@
+import { expect } from "chai";
+
+import { createSymKeyFromPassword } from "./encryption";
+
+describe("Encryption", () => {
+  it("Generate symmetric key from password", async function () {
+    const str = "arbitrary data here";
+    const symKey = await createSymKeyFromPassword(str);
+
+    expect(Buffer.from(symKey).toString("hex")).to.eq(
+      "c49ad65ebf2a7b7253bf400e3d27719362a91b2c9b9f54d50a69117021666c33"
+    );
+  });
+});

packages/status-communities/src/encryption.ts

@@ -1,9 +1,15 @@
-import { kdf } from "ecies-geth";
+import pbkdf2 from "pbkdf2";
 
 const AESKeyLength = 32; // bytes
 
 export async function createSymKeyFromPassword(
   password: string
 ): Promise<Uint8Array> {
-  return kdf(Buffer.from(password, "utf-8"), AESKeyLength);
+  return pbkdf2.pbkdf2Sync(
+    Buffer.from(password, "utf-8"),
+    "",
+    65356,
+    AESKeyLength,
+    "sha256"
+  );
 }

yarn.lock

@@ -938,6 +938,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/pbkdf2@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "@types/pbkdf2@npm:3.1.0"
+  dependencies:
+    "@types/node": "*"
+  checksum: d15024b1957c21cf3b8887329d9bd8dfde754cf13a09d76ae25f1391cfc62bb8b8d7b760773c5dbaa748172fba8b3e0c3dbe962af6ccbd69b76df12a48dfba40
+  languageName: node
+  linkType: hard
+
 "@types/prettier@npm:^1.19.0":
   version: 1.19.1
   resolution: "@types/prettier@npm:1.19.1"
@@ -8755,7 +8764,7 @@ fsevents@~2.3.2:
   languageName: node
   linkType: hard
 
-"pbkdf2@npm:^3.0.3":
+"pbkdf2@npm:^3.0.3, pbkdf2@npm:^3.1.2":
   version: 3.1.2
   resolution: "pbkdf2@npm:3.1.2"
   dependencies:
@@ -10487,6 +10496,7 @@ resolve@^2.0.0-next.3:
   dependencies:
     "@types/chai": ^4.2.22
     "@types/mocha": ^9.0.0
+    "@types/pbkdf2": ^3.1.0
     "@types/secp256k1": ^4.0.3
     "@typescript-eslint/eslint-plugin": ^4.31.1
     "@typescript-eslint/parser": ^4.31.1
@@ -10503,6 +10513,7 @@ resolve@^2.0.0-next.3:
     js-waku: ^0.13.1
     mocha: ^9.1.1
     npm-run-all: ^4.1.5
+    pbkdf2: ^3.1.2
     prettier: ^2.4.0
     protobufjs: ^6.11.2
     secp256k1: ^4.0.2