INNER CODE UNIT · Python

salt

stratumauth/app · extra/decrypt_backup.py:49

    salt = data[len(HEADER) : len(HEADER) + SALT_LENGTH]
    iv = data[len(HEADER) + SALT_LENGTH : len(HEADER) + SALT_LENGTH + IV_LENGTH]
    payload = data[len(HEADER) + SALT_LENGTH + IV_LENGTH :]

    password_bytes = password.encode("utf-8")

    key = argon2.low_level.hash_secret_raw(
        password_bytes,
        salt,
        time_cost=ITERATIONS,
        memory_cost=MEMORY_SIZE,
        parallelism=PARALLELISM,
        hash_len=KEY_LENGTH,
        type=Type.ID,
    )

    aes = AESGCM(key)
    return aes.decrypt(iv, payload, None)

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