openssl 使用命令

在linux系统中，直接运行openssl命令

1、查看openssl版本

$ openssl version

OpenSSL 1.0.1e-fips 11 Feb 2013

 

2、查看openssl支持的命令

$ openssl list-standard-commands
asn1parse
ca
ciphers
cms
crl
crl2pkcs7
dgst
dh
dhparam
dsa
dsaparam
ec
ecparam
enc
engine
errstr
gendh
gendsa
genpkey
genrsa
nseq
ocsp
passwd
pkcs12
pkcs7
pkcs8
pkey
pkeyparam
pkeyutl
prime
rand
req
rsa
rsautl
s_client
s_server
s_time
sess_id
smime
speed
spkac
ts
verify
version
x509

3、加密密令

$ openssl list-cipher-commands
aes-128-cbc
aes-128-ecb
aes-192-cbc
aes-192-ecb
aes-256-cbc
aes-256-ecb
base64
bf
bf-cbc
bf-cfb
bf-ecb
bf-ofb
camellia-128-cbc
camellia-128-ecb
camellia-192-cbc
camellia-192-ecb
camellia-256-cbc
camellia-256-ecb
cast
cast-cbc
cast5-cbc
cast5-cfb
cast5-ecb
cast5-ofb
des
des-cbc
des-cfb
des-ecb
des-ede
des-ede-cbc
des-ede-cfb
des-ede-ofb
des-ede3
des-ede3-cbc
des-ede3-cfb
des-ede3-ofb
des-ofb
des3
desx
idea
idea-cbc
idea-cfb
idea-ecb
idea-ofb
rc2
rc2-40-cbc
rc2-64-cbc
rc2-cbc
rc2-cfb
rc2-ecb
rc2-ofb
rc4
rc4-40
seed
seed-cbc
seed-cfb
seed-ecb
seed-ofb
zlib

openssl enc -aes-256-cbc -in plain.txt -out encrypted.bin
使用这个命令，进行加密plain.txt的数据信息内容

openssl enc -aes-256-cbc -d -in encrypted.bin -pass pass:hello
使用这个命令进行解密

openssl genrsa -out key.pem 1024
使用这个命令