Function getPasswordKey

frontend/src/utils/crypto.ts:9–18

* Derives a cryptographic key from a password string using PBKDF2.

(password: string)

 * Derives a cryptographic key from a password string using PBKDF2.
 */
async function getPasswordKey(password: string): Promise<CryptoKey> {
  const enc = new TextEncoder();
  return await crypto.subtle.importKey(
    "raw",
    enc.encode(password),
    { name: "PBKDF2" },
    false,
    ["deriveBits", "deriveKey"],
  );
}

/**
 * Derives an AES-GCM key using the password key and a random salt.