pdfcrack from home:sleep_walker:aggregate project
选择您的操作系统
添加软件源并手动安装
对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:sleep_walker:aggregate/openSUSE_Tumbleweed/home:sleep_walker:aggregate.repo zypper refresh zypper install pdfcrack