Difference between revisions of "OpenSSL/Cheatsheet"
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(Created page with "== Command line shortcuts == === Base64 === Encode openssl base64 < file.b64 > file.txt Decode openssl base64 -d < file.txt > file.b64 === MD5 === Checksum a file openssl ...") |
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== Command line shortcuts == |
== Command line shortcuts == |
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=== Base64 === |
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Encode |
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openssl base64 < file.b64 > file.txt |
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{| class="wikitable sortable collapsible" |
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Decode |
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openssl base64 -d < file.txt > file.b64 |
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! Type !! Action !! Command !! Comment |
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| Help || List || <tt>openssl list-standard-commands</tt> || |
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| Base64 || Encode || <tt>openssl base64 -in <span class="input"><INPUT>.txt</span> -out <span class="input"><OUTPUT>.b64</span></tt> || |
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| Base64 || Decode || <tt>openssl base64 -d -in <span class="input"><File>.b64</span> -out <span class="input"><File>.txt</span></tt> || |
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| MD5 || Checksum || <tt>openssl md5 <span class="input"><File></span> </tt> || Same as <tt>md5sum <span class="input"><File></span></tt> |
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| SHA1 || Checksum || <tt>openssl sha1 <span class="input"><File></span> </tt> || Same as <tt>sha1sum <span class="input"><File></span></tt> |
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| SHA224 || Checksum || <tt>openssl sha224 <span class="input"><File></span> </tt> || Same as <tt>sha224sum <span class="input"><File></span></tt> |
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| SHA256 || Checksum || <tt>openssl sha256 <span class="input"><File></span> </tt> || Same as <tt>sha256sum <span class="input"><File></span></tt> |
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| SHA384 || Checksum || <tt>openssl sha384 <span class="input"><File></span> </tt> || Same as <tt>sha384sum <span class="input"><File></span></tt> |
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| SHA512 || Checksum || <tt>openssl sha512 <span class="input"><File></span> </tt> || Same as <tt>sha512sum <span class="input"><File></span></tt> |
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| Password || Encrypt || <tt>openssl passwd <span class="input"><Password></span> </tt> || Creates a crypt-ed password for use with <tt>/etc/shadow</tt> [1] |
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| Password || Encrypt || <tt>openssl passwd -1 <span class="input"><Password></span> </tt> || Creates a md5 password for use with <tt>/etc/shadow</tt> [1] |
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=== |
=== Notes === |
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# Newer versions of Debian use the sha-512 there is a tool called <tt>mkpasswd</tt> that will create compatible passwords. |
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Checksum a file |
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openssl md5 file |
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=== SHA1 === |
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Checksum a file |
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openssl sha1 file |
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=== Generate Passwords === |
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Crypt |
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openssl passwd <password> |
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MD5 (for /etc/passwd and /etc/shadow) |
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openssl passwd -1 |
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=== File encryption === |
=== File encryption === |
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Encrypt |
Encrypt |
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openssl enc -aes-256-cbc < |
openssl enc -aes-256-cbc -in <span class="input"><File></span> -out <span class="input"><File></span>.aes |
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enter aes-256-cbc encryption password: |
enter aes-256-cbc encryption password: |
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Verifying - enter aes-256-cbc encryption password: |
Verifying - enter aes-256-cbc encryption password: |
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Encrypt with password from file |
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openssl enc -aes-256-cbc -pass file:<span class="input"><PwFile></span>> -in <span class="input"><File></span> -out <span class="input"><File></span>.aes |
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Decrypt |
Decrypt |
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openssl enc -d -aes-256-cbc -in |
openssl enc -d -aes-256-cbc -in <span class="input"><File></span>.aes -out <span class="input"><File></span> |
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enter aes-256-cbc decryption password: |
enter aes-256-cbc decryption password: |
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Decrypt with password from file |
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openssl enc -d -aes-256-cbc -pass file:<span class="input"><PwFile></span> -in <span class="input"><File></span>.aes -out <span class="input"><File></span> |
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[[Category:OpenSSL]] |
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Latest revision as of 08:27, 4 October 2015
Command line shortcuts
| Type | Action | Command | Comment |
|---|---|---|---|
| Help | List | openssl list-standard-commands | |
| Base64 | Encode | openssl base64 -in <INPUT>.txt -out <OUTPUT>.b64 | |
| Base64 | Decode | openssl base64 -d -in <File>.b64 -out <File>.txt | |
| MD5 | Checksum | openssl md5 <File> | Same as md5sum <File> |
| SHA1 | Checksum | openssl sha1 <File> | Same as sha1sum <File> |
| SHA224 | Checksum | openssl sha224 <File> | Same as sha224sum <File> |
| SHA256 | Checksum | openssl sha256 <File> | Same as sha256sum <File> |
| SHA384 | Checksum | openssl sha384 <File> | Same as sha384sum <File> |
| SHA512 | Checksum | openssl sha512 <File> | Same as sha512sum <File> |
| Password | Encrypt | openssl passwd <Password> | Creates a crypt-ed password for use with /etc/shadow [1] |
| Password | Encrypt | openssl passwd -1 <Password> | Creates a md5 password for use with /etc/shadow [1] |
Notes
- Newer versions of Debian use the sha-512 there is a tool called mkpasswd that will create compatible passwords.
File encryption
Encrypt
openssl enc -aes-256-cbc -in <File> -out <File>.aes enter aes-256-cbc encryption password: Verifying - enter aes-256-cbc encryption password:
Encrypt with password from file
openssl enc -aes-256-cbc -pass file:<PwFile>> -in <File> -out <File>.aes
Decrypt
openssl enc -d -aes-256-cbc -in <File>.aes -out <File> enter aes-256-cbc decryption password:
Decrypt with password from file
openssl enc -d -aes-256-cbc -pass file:<PwFile> -in <File>.aes -out <File>