[实例] rsautl 命令（对数据签名）

[root@dhcp ~]# ll testfile
-rw-r--r--  1 root root 12 Feb 20 15:36 testfile
[root@dhcp ~]# cat testfile
abcdefghijk
[root@dhcp ~]# openssl rsautl -in testfile  -out testfile.sign -inkey my.key -sign
Enter pass phrase for my.key:
[root@dhcp ~]#
[root@dhcp ~]# ll testfile*
-rw-r--r--  1 root root  12 Feb 20 15:36 testfile
-rw-r--r--  1 root root 128 Feb 20 15:40 testfile.sign
[root@dhcp ~]#
[root@dhcp ~]# cat testfile.sign

                ??t??PvF?-t?t′?^uì?lǔ;g++?cV(??T
?:??oR???.????[root@dhcp ~]#
[root@dhcp ~]# file testfile.sign
testfile.sign: data
[root@dhcp ~]#