Function decrypt

pkg/encryption.ts:36–51

(encrypted: string, keyData: Uint8Array, iv: string, keyVersion: number)

}

export async function decrypt(encrypted: string, keyData: Uint8Array, iv: string, keyVersion: number): Promise<string> {
  const algorithm = keyVersion === 1 ? "AES-CBC" : "AES-GCM";

  const key = await crypto.subtle.importKey("raw", keyData, { name: algorithm, length: 128 }, false, ["decrypt"]);

  const decrypted = await crypto.subtle.decrypt(
    {
      name: algorithm,
      iv: fromBase58(iv),
    },
    key,
    fromBase58(encrypted),
  );

  return new TextDecoder().decode(decrypted);
}