<openssl rand> <fym0121@163.com>
               

介绍

openssl rand 用于产生指定长度个bytes的随机字符。

语法

openssl rand[-out file] [-randfile(s)] [-base64] [-hex]num                

E:\OpenSSL\foo>openssl rand 10
                            
騆oading 'screen' into random state - done
t嬍鴢vA

-base64 / -hex   对随机字符串进行base64编码或用hex格式显示

E:\OpenSSL\foo>openssl rand -hex 10
                            
Loading 'screen' into random state - done
325567f39cb3dbf15a32

E:\OpenSSL\foo>openssl rand -base64 20
                            
Loading 'screen' into random state - done
aA58hKadrquIX1Jfr4COCm9m/NE=

来自  https://blog.csdn.net/fym0121/article/details/7988071