[root@dhcp ~]# openssl genrsa -out my.key -idea
1024
usage: genrsa [args] [numbits]
-des
encrypt the generated key with DES in cbc mode
-des3 encrypt the
generated key with DES in ede cbc mode (168 bit key)
-aes128, -aes192,
-aes256
encrypt PEM output with cbc aes
-out file
output the key to 'file
-passout arg output file pass phrase
source
-f4 use F4 (0x10001) for the E value
-3
use 3 for the E value
-engine e use engine e, possibly a hardware
device.
-rand file:file:...
load the file (or the files
in the directory) into
the random number
generator
[root@dhcp ~]#
可以看到不支持 IDEA 加密，只支持 des 和 des3、aes 加密
[root@dhcp ~]# openssl list-cipher-commands |grep -i
idea
[root@dhcp ~]#
可以看到没有输出任何 IDEA 相关
[root@dhcp ~]# openssl genrsa -out my.key -des3
1024
Generating RSA private key, 1024 bit long
modulus
.............++++++
........................................++++++
e
is 65537 (0x10001)
Enter pass phrase for
my.key:
Verifying - Enter pass phrase for my.key:
[root@dhcp
~]#
[root@dhcp ~]# cat my.key
-----BEGIN RSA PRIVATE
KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info:
DES-EDE3-CBC,25C73BB141921808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-----END
RSA PRIVATE KEY-----
[root@dhcp ~]#
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