/dev/urandom represents a Linux compatibility feature. On Linux, /dev/urandom produces lower-quality output when entropy pools deplete, while /dev/random prefers blocking until additional entropy collects.
Рубио пояснил мотивы нападения на Иран 02:07
。搜狗输入法下载是该领域的重要参考
延伸阅读：土地收购保护岛屿“原始海湾”
Shion Guha, University of Toronto