Implement PBKDF

Closes #12
2024-05-15 12:12:33 +02:00
parent 0347f30bd0
commit b0e34f3716
3 changed files with 41 additions and 0 deletions
@@ -0,0 +1,22 @@
+export async function pbkdf(password: string, salt: Uint8Array, usages: KeyUsage[]): Promise<CryptoKey> {
+    const keyMaterial = await window.crypto.subtle.importKey(
+        "raw",
+        new TextEncoder().encode(password),
+        "PBKDF2",
+        false,
+        ["deriveBits", "deriveKey"],
+    )
+
+    return crypto.subtle.deriveKey(
+        {
+            name: "PBKDF2",
+            iterations: 250_000,
+            hash: "SHA-512",
+            salt,
+        },
+        keyMaterial,
+        {name: "AES-GCM", length: 256},
+        false,
+        usages,
+    )
+}