# Command Line Utilities

When installed on your system openssl binary is entry point for many functions.

- launching openssl without any parameter will enter an interactive mode with an OpenSSL> prompt
- to quit: quit
- enter a command it will set a command context in which parameters depends on command.

- to known what commands and parameters you can issue for openssl do :
- openssl help

openssl:Error: 'help' is an invalid command. 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 srp ts verify version x509 Message Digest commands (see the `dgst' command for more details) md4 md5 rmd160 sha sha1 Cipher commands (see the `enc' command for more details) 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 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

## Contents

## commands

### Get information about your openssl toolkit

#### version

OpenSSL> version OpenSSL 1.0.1e 11 Feb 2013

#### ciphers

returns SSL/TLS ciphers supported.

OpenSSL> ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:SRP-DSS-AES-256-CBC-SHA:SRP-RSA-AES-256-CBC-SHA:DHE-DSS-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA256:DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:DHE-RSA-CAMELLIA256-SHA:DHE-DSS-CAMELLIA256-SHA:ECDH-RSA-AES256-GCM-SHA384:ECDH-ECDSA-AES256-GCM-SHA384:ECDH-RSA-AES256-SHA384:ECDH-ECDSA-AES256-SHA384:ECDH-RSA-AES256-SHA:ECDH-ECDSA-AES256-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:CAMELLIA256-SHA:PSK-AES256-CBC-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:SRP-DSS-3DES-EDE-CBC-SHA:SRP-RSA-3DES-EDE-CBC-SHA:EDH-RSA-DES-CBC3-SHA:EDH-DSS-DES-CBC3-SHA:ECDH-RSA-DES-CBC3-SHA:ECDH-ECDSA-DES-CBC3-SHA:DES-CBC3-SHA:PSK-3DES-EDE-CBC-SHA:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:SRP-DSS-AES-128-CBC-SHA:SRP-RSA-AES-128-CBC-SHA:DHE-DSS-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256:DHE-DSS-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA:DHE-RSA-SEED-SHA:DHE-DSS-SEED-SHA:DHE-RSA-CAMELLIA128-SHA:DHE-DSS-CAMELLIA128-SHA:ECDH-RSA-AES128-GCM-SHA256:ECDH-ECDSA-AES128-GCM-SHA256:ECDH-RSA-AES128-SHA256:ECDH-ECDSA-AES128-SHA256:ECDH-RSA-AES128-SHA:ECDH-ECDSA-AES128-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:SEED-SHA:CAMELLIA128-SHA:PSK-AES128-CBC-SHA:ECDHE-RSA-RC4-SHA:ECDHE-ECDSA-RC4-SHA:ECDH-RSA-RC4-SHA:ECDH-ECDSA-RC4-SHA:RC4-SHA:RC4-MD5:PSK-RC4-SHA:EDH-RSA-DES-CBC-SHA:EDH-DSS-DES-CBC-SHA:DES-CBC-SHA:EXP-EDH-RSA-DES-CBC-SHA:EXP-EDH-DSS-DES-CBC-SHA:EXP-DES-CBC-SHA:EXP-RC2-CBC-MD5:EXP-RC4-MD5

#### speed

returns informations of toolkit performance on cryptographic functions computations.

( Ex: on Linux 3.1.0-1-amd64 #1 SMP x86_64 GNU/Linux, HP dv7 i7 4Gb )

Doing md4 for 3s on 16 size blocks: 12430613 md4's in 3.00s
Doing md4 for 3s on 64 size blocks: 9266418 md4's in 3.00s
Doing md4 for 3s on 256 size blocks: 5461882 md4's in 3.00s
Doing md4 for 3s on 1024 size blocks: 2102125 md4's in 3.00s
Doing md4 for 3s on 8192 size blocks: 305082 md4's in 3.00s
Doing md5 for 3s on 16 size blocks: 8943943 md5's in 2.99s
Doing md5 for 3s on 64 size blocks: 6560162 md5's in 3.00s
Doing md5 for 3s on 256 size blocks: 3674563 md5's in 3.00s
Doing md5 for 3s on 1024 size blocks: 1325803 md5's in 3.00s
Doing md5 for 3s on 8192 size blocks: 190271 md5's in 3.00s
Doing hmac(md5) for 3s on 16 size blocks: 7289025 hmac(md5)'s in 3.00s
Doing hmac(md5) for 3s on 64 size blocks: 5519732 hmac(md5)'s in 3.00s
Doing hmac(md5) for 3s on 256 size blocks: 3319123 hmac(md5)'s in 3.00s
Doing hmac(md5) for 3s on 1024 size blocks: 1275475 hmac(md5)'s in 3.00s
Doing hmac(md5) for 3s on 8192 size blocks: 187134 hmac(md5)'s in 3.00s
Doing sha1 for 3s on 16 size blocks: 10089842 sha1's in 2.99s
Doing sha1 for 3s on 64 size blocks: 7033355 sha1's in 3.00s
Doing sha1 for 3s on 256 size blocks: 3919372 sha1's in 3.00s
Doing sha1 for 3s on 1024 size blocks: 1374314 sha1's in 3.00s
Doing sha1 for 3s on 8192 size blocks: 198808 sha1's in 3.00s
Doing sha256 for 3s on 16 size blocks: 6462822 sha256's in 3.00s
Doing sha256 for 3s on 64 size blocks: 3504641 sha256's in 3.00s
Doing sha256 for 3s on 256 size blocks: 1486771 sha256's in 3.00s
Doing sha256 for 3s on 1024 size blocks: 440613 sha256's in 3.00s
Doing sha256 for 3s on 8192 size blocks: 58418 sha256's in 3.00s
Doing sha512 for 3s on 16 size blocks: 5040453 sha512's in 2.99s
Doing sha512 for 3s on 64 size blocks: 5089425 sha512's in 3.00s
Doing sha512 for 3s on 256 size blocks: 1865240 sha512's in 3.00s
Doing sha512 for 3s on 1024 size blocks: 643708 sha512's in 3.00s
Doing sha512 for 3s on 8192 size blocks: 90615 sha512's in 3.00s
Doing whirlpool for 3s on 16 size blocks: 3817167 whirlpool's in 3.00s
Doing whirlpool for 3s on 64 size blocks: 2032819 whirlpool's in 3.00s
Doing whirlpool for 3s on 256 size blocks: 844404 whirlpool's in 3.00s
Doing whirlpool for 3s on 1024 size blocks: 251884 whirlpool's in 3.00s
Doing whirlpool for 3s on 8192 size blocks: 33204 whirlpool's in 3.00s
Doing rmd160 for 3s on 16 size blocks: 5942051 rmd160's in 2.99s
Doing rmd160 for 3s on 64 size blocks: 3578179 rmd160's in 3.00s
Doing rmd160 for 3s on 256 size blocks: 1619293 rmd160's in 3.00s
Doing rmd160 for 3s on 1024 size blocks: 495545 rmd160's in 3.00s
Doing rmd160 for 3s on 8192 size blocks: 66719 rmd160's in 3.00s
Doing rc4 for 3s on 16 size blocks: 59589913 rc4's in 3.00s
Doing rc4 for 3s on 64 size blocks: 24879865 rc4's in 3.00s
Doing rc4 for 3s on 256 size blocks: 7250123 rc4's in 3.00s
Doing rc4 for 3s on 1024 size blocks: 1894998 rc4's in 3.00s
Doing rc4 for 3s on 8192 size blocks: 238972 rc4's in 3.00s
Doing des cbc for 3s on 16 size blocks: 9780527 des cbc's in 2.99s
Doing des cbc for 3s on 64 size blocks: 2554218 des cbc's in 3.00s
Doing des cbc for 3s on 256 size blocks: 632576 des cbc's in 3.00s
Doing des cbc for 3s on 1024 size blocks: 160569 des cbc's in 3.00s
Doing des cbc for 3s on 8192 size blocks: 19837 des cbc's in 3.00s
Doing des ede3 for 3s on 16 size blocks: 3792920 des ede3's in 3.00s
Doing des ede3 for 3s on 64 size blocks: 946528 des ede3's in 3.00s
Doing des ede3 for 3s on 256 size blocks: 238725 des ede3's in 2.99s
Doing des ede3 for 3s on 1024 size blocks: 60116 des ede3's in 3.01s
Doing des ede3 for 3s on 8192 size blocks: 7706 des ede3's in 3.00s
Doing aes-128 cbc for 3s on 16 size blocks: 16505952 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 64 size blocks: 4395057 aes-128 cbc's in 2.99s
Doing aes-128 cbc for 3s on 256 size blocks: 1115857 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 1024 size blocks: 280724 aes-128 cbc's in 3.00s
Doing aes-128 cbc for 3s on 8192 size blocks: 35217 aes-128 cbc's in 3.00s
Doing aes-192 cbc for 3s on 16 size blocks: 13702376 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 64 size blocks: 3670450 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 256 size blocks: 929139 aes-192 cbc's in 3.00s
Doing aes-192 cbc for 3s on 1024 size blocks: 233856 aes-192 cbc's in 2.99s
Doing aes-192 cbc for 3s on 8192 size blocks: 29225 aes-192 cbc's in 3.01s
Doing aes-256 cbc for 3s on 16 size blocks: 11898031 aes-256 cbc's in 3.00s
Doing aes-256 cbc for 3s on 64 size blocks: 3139673 aes-256 cbc's in 2.99s
Doing aes-256 cbc for 3s on 256 size blocks: 778274 aes-256 cbc's in 3.00s
Doing aes-256 cbc for 3s on 1024 size blocks: 197364 aes-256 cbc's in 3.00s
Doing aes-256 cbc for 3s on 8192 size blocks: 24414 aes-256 cbc's in 3.00s
Doing aes-128 ige for 3s on 16 size blocks: 16016722 aes-128 ige's in 3.00s
Doing aes-128 ige for 3s on 64 size blocks: 4134351 aes-128 ige's in 3.00s
Doing aes-128 ige for 3s on 256 size blocks: 1062665 aes-128 ige's in 3.00s
Doing aes-128 ige for 3s on 1024 size blocks: 262749 aes-128 ige's in 2.99s
Doing aes-128 ige for 3s on 8192 size blocks: 32813 aes-128 ige's in 3.01s
Doing aes-192 ige for 3s on 16 size blocks: 13857610 aes-192 ige's in 3.00s
Doing aes-192 ige for 3s on 64 size blocks: 3566365 aes-192 ige's in 3.00s
Doing aes-192 ige for 3s on 256 size blocks: 895341 aes-192 ige's in 2.99s
Doing aes-192 ige for 3s on 1024 size blocks: 224284 aes-192 ige's in 3.00s
Doing aes-192 ige for 3s on 8192 size blocks: 28124 aes-192 ige's in 3.00s
Doing aes-256 ige for 3s on 16 size blocks: 11984134 aes-256 ige's in 3.00s
Doing aes-256 ige for 3s on 64 size blocks: 3067424 aes-256 ige's in 3.00s
Doing aes-256 ige for 3s on 256 size blocks: 750465 aes-256 ige's in 3.00s
Doing aes-256 ige for 3s on 1024 size blocks: 185800 aes-256 ige's in 3.00s
Doing aes-256 ige for 3s on 8192 size blocks: 23331 aes-256 ige's in 2.99s
...