Function get_hsm_secret

tools/hsmtool.c:70–81

}

static void get_hsm_secret(struct secret *hsm_secret,
                           const char *hsm_secret_path)
{
	int fd;

	fd = open(hsm_secret_path, O_RDONLY);
	if (fd < 0)
		errx(EXITCODE_ERROR_HSM_FILE, "Could not open hsm_secret");
	if (!read_all(fd, hsm_secret, sizeof(*hsm_secret)))
		errx(EXITCODE_ERROR_HSM_FILE, "Could not read hsm_secret");
	close(fd);
}

/* Derive the encryption key from the password provided, and try to decrypt
 * the cipher. */