crypt information

> which openssl
/usr/local/bin/openssl
> openssl version
OpenSSL 1.0.2-chacha (1.0.2k-dev)
> 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)
md2               md4               md5               mdc2              
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              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            rc5               rc5-cbc           rc5-cfb           
rc5-ecb           rc5-ofb           seed              seed-cbc          
seed-cfb          seed-ecb          seed-ofb          zlib              

> openssl enc -help
unknown option '-help'
options are
-in      input file
-out     output file
-pass     pass phrase source
-e             encrypt
-d             decrypt
-a/-base64     base64 encode/decode, depending on encryption flag
-k             passphrase is the next argument
-kfile         passphrase is the first line of the file argument
-md            the next argument is the md to use to create a key
                 from a passphrase.  One of md2, md5, sha or sha1
-S             salt in hex is the next argument
-K/-iv         key/iv in hex is the next argument
-[pP]          print the iv/key (then exit if -P)
-bufsize    buffer size
-nopad         disable standard block padding
-engine e      use engine e, possibly a hardware device.
Cipher Types
-aes-128-cbc               -aes-128-cbc-hmac-sha1     -aes-128-ccm              
-aes-128-cfb               -aes-128-cfb1              -aes-128-cfb8             
-aes-128-ctr               -aes-128-ecb               -aes-128-gcm              
-aes-128-ofb               -aes-128-xts               -aes-192-cbc              
-aes-192-ccm               -aes-192-cfb               -aes-192-cfb1             
-aes-192-cfb8              -aes-192-ctr               -aes-192-ecb              
-aes-192-gcm               -aes-192-ofb               -aes-256-cbc              
-aes-256-cbc-hmac-sha1     -aes-256-ccm               -aes-256-cfb              
-aes-256-cfb1              -aes-256-cfb8              -aes-256-ctr              
-aes-256-ecb               -aes-256-gcm               -aes-256-ofb              
-aes-256-xts               -aes128                    -aes192                   
-aes256                    -bf                        -bf-cbc                   
-bf-cfb                    -bf-ecb                    -bf-ofb                   
-blowfish                  -camellia-128-cbc          -camellia-128-cfb         
-camellia-128-cfb1         -camellia-128-cfb8         -camellia-128-ecb         
-camellia-128-ofb          -camellia-192-cbc          -camellia-192-cfb         
-camellia-192-cfb1         -camellia-192-cfb8         -camellia-192-ecb         
-camellia-192-ofb          -camellia-256-cbc          -camellia-256-cfb         
-camellia-256-cfb1         -camellia-256-cfb8         -camellia-256-ecb         
-camellia-256-ofb          -camellia128               -camellia192              
-camellia256               -cast                      -cast-cbc                 
-cast5-cbc                 -cast5-cfb                 -cast5-ecb                
-cast5-ofb                 -des                       -des-cbc                  
-des-cfb                   -des-cfb1                  -des-cfb8                 
-des-ecb                   -des-ede                   -des-ede-cbc              
-des-ede-cfb               -des-ede-ofb               -des-ede3                 
-des-ede3-cbc              -des-ede3-cfb              -des-ede3-cfb1            
-des-ede3-cfb8             -des-ede3-ofb              -des-ofb                  
-des3                      -desx                      -desx-cbc                 
-id-aes128-CCM             -id-aes128-GCM             -id-aes128-wrap           
-id-aes192-CCM             -id-aes192-GCM             -id-aes192-wrap           
-id-aes256-CCM             -id-aes256-GCM             -id-aes256-wrap           
-id-smime-alg-CMS3DESwrap  -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                   
-rc4-hmac-md5              -rc5                       -rc5-cbc                  
-rc5-cfb                   -rc5-ecb                   -rc5-ofb                  
-seed                      -seed-cbc                  -seed-cfb                 
-seed-ecb                  -seed-ofb                  
> yes | head -n 32 |
| openssl enc -k 12345678 -aes-256-ecb |
| hexdump -Cv
yes: stdout: Broken pipe
00000000  53 61 6c 74 65 64 5f 5f  41 4e 8b f3 45 c8 c4 9a  |Salted__AN..E...|
00000010  06 7b 6a 27 99 b8 6f 06  80 0d 35 18 2a 7d d2 1d  |.{j'..o...5.*}..|
00000020  06 7b 6a 27 99 b8 6f 06  80 0d 35 18 2a 7d d2 1d  |.{j'..o...5.*}..|
00000030  06 7b 6a 27 99 b8 6f 06  80 0d 35 18 2a 7d d2 1d  |.{j'..o...5.*}..|
00000040  06 7b 6a 27 99 b8 6f 06  80 0d 35 18 2a 7d d2 1d  |.{j'..o...5.*}..|
00000050  fd 27 63 28 1e 0b 03 65  b4 64 58 d1 4f 46 4b f2  |.'c(...e.dX.OFK.|
00000060
> yes | head -n 32 |
| openssl enc -k 12345678 -aes-256-ecb |
| openssl enc -d -k 12345678 -aes-256-ecb | uniq -c
yes: stdout: Broken pipe
  32 y
> yes | head -n 32 |
| openssl enc -k 12345678 -aes-256-cbc |
| hexdump -Cv
yes: stdout: Broken pipe
00000000  53 61 6c 74 65 64 5f 5f  25 22 3b 00 01 ef f9 46  |Salted__%";....F|
00000010  20 76 9e 29 46 81 03 2e  53 99 34 60 e3 44 30 86  | v.)F...S.4`.D0.|
00000020  0b 32 f4 27 f1 dd 42 0a  7c da 09 3e 61 b3 4a 15  |.2.'..B.|..>a.J.|
00000030  3a 52 80 d2 63 f6 99 ea  f3 bd 49 88 e1 e3 e1 14  |:R..c.....I.....|
00000040  81 98 53 67 2b 55 6d 34  3e d4 9d 68 dd 20 31 a9  |..Sg+Um4>..h. 1.|
00000050  c1 2d 22 d6 be ed 82 7f  28 d7 92 78 d0 4d c2 c4  |.-".....(..x.M..|
00000060
> yes | head -n 32 |
| openssl enc -k 12345678 -aes-256-cbc |
| openssl enc -d -k 12345678 -aes-256-cbc | uniq -c
yes: stdout: Broken pipe
  32 y
parent directory