Unfortunately, "good" random number generators such as getrandom(2) or /dev/urandom aren't actually specified in POSIX (even though they are reasonably-widely available).
Code ChangeNow we have a validated spec. Time to generate the actual implementation.，详情可参考爱思助手
SelectWhat's included，更多细节参见手游
全栈自研域控制器、4D毫米波雷达、显示与交互终端（图源/企业）
Марина Совина (ночной редактор)