chore(release): 0.2.0-develop.32 [skip ci]

# [0.2.0-develop.32](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.31...v0.2.0-develop.32) (2023-08-20)

### Features

* change deriveChildKey to hkdf sha256 and create deriveBlakeChildKey that hashes based on the initial blake3 route used by s5 ([7fefaf0](7fefaf0818))

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [0.2.0-develop.32](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.31...v0.2.0-develop.32) (2023-08-20)
+
+
+### Features
+
+* change deriveChildKey to hkdf sha256 and create deriveBlakeChildKey that hashes based on the initial blake3 route used by s5 ([7fefaf0](https://git.lumeweb.com/LumeWeb/libweb/commit/7fefaf0818417f1cc4ae0c9f360e5b08734d68f3))
+
 # [0.2.0-develop.31](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.30...v0.2.0-develop.31) (2023-08-15)
 
 

npm-shrinkwrap.json

@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libweb",
-    "version": "0.2.0-develop.31",
+    "version": "0.2.0-develop.32",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libweb",
-            "version": "0.2.0-develop.31",
+            "version": "0.2.0-develop.32",
             "dependencies": {
                 "@lumeweb/community-portals": "^0.1.0-develop.6",
                 "@lumeweb/libportal": "0.2.0-develop.17",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libweb",
-    "version": "0.2.0-develop.31",
+    "version": "0.2.0-develop.32",
     "main": "lib/index.js",
     "type": "module",
     "repository": {

src/keys.ts

@@ -1,9 +1,18 @@
 import { blake3 } from "@noble/hashes/blake3";
 import { concatBytes } from "@noble/hashes/utils";
+import { hkdf } from "@noble/hashes/hkdf";
+import { sha256 } from "@noble/hashes/sha256";
 
 export function deriveChildKey(
   parentKey: Uint8Array,
   tweak: string,
+): Uint8Array {
+  return hkdf(sha256, parentKey, undefined, tweak, 32);
+}
+
+export function deriveBlakeChildKey(
+  parentKey: Uint8Array,
+  tweak: string,
 ): Uint8Array {
   const tweakHash = blake3(tweak);