Openssl encoding and cipher commands options.

saolasosme

Various encoding and cipher commands.

       base64
	   Base64 Encoding

       bf, bf-cbc, bf-cfb, bf-ecb, bf-ofb
	   Blowfish Cipher

       cast, cast-cbc
	   CAST Cipher

       cast5-cbc, cast5-cfb, cast5-ecb, cast5-ofb
	   CAST5 Cipher

       des, des-cbc, des-cfb, des-ecb, des-ede, des-ede-cbc, des-ede-cfb, des-
       ede-ofb, des-ofb
	   DES Cipher

       des3, desx, des-ede3, des-ede3-cbc, des-ede3-cfb, des-ede3-ofb
	   Triple-DES Cipher

       idea, idea-cbc, idea-cfb, idea-ecb, idea-ofb
	   IDEA Cipher

       rc2, rc2-cbc, rc2-cfb, rc2-ecb, rc2-ofb
	   RC2 Cipher

       rc4 RC4 Cipher

       rc5, rc5-cbc, rc5-cfb, rc5-ecb, rc5-ofb
	   RC5 Cipher

Here we have used the idea encoding as an example.

$ openssl idea -help
Usage: idea [options]
Valid options are:
 -help               Display this summary
 -ciphers            List ciphers
 -in infile          Input file
 -out outfile        Output file
 -pass val           Passphrase source
 -e                  Encrypt
 -d                  Decrypt
 -p                  Print the iv/key
 -P                  Print the iv/key and exit
 -v                  Verbose output
 -nopad              Disable standard block padding
 -salt               Use salt in the KDF (default)
 -nosalt             Do not use salt in the KDF
 -debug              Print debug info

 -a                  Base64 encode/decode, depending on encryption flag
 -base64             Same as option -a
 -A                  Used with -[base64|a] to specify base64 buffer as a single line
 -bufsize val        Buffer size
 -k val              Passphrase
 -kfile infile       Read passphrase from file
 -K val              Raw key, in hex
 -S val              Salt, in hex
 -iv val             IV in hex
 -md val             Use specified digest to create a key from the passphrase
 -iter +int          Specify the iteration count and force use of PBKDF2
 -pbkdf2             Use password-based key derivation function 2
 -none               Don't encrypt
 -*                  Any supported cipher
 -rand val           Load the file(s) into the random number generator
 -writerand outfile  Write random data to the specified file
 -z                  Use zlib as the 'encryption'
 -engine val         Use engine, possibly a hardware device