debian man page for hashalot

HASHALOT(1)						      General Commands Manual						       HASHALOT(1)

NAME
       hashalot - read a passphrase and print a hash

SYNOPSIS
       hashalot [ -s SALT ] [ -x ] [ -n #BYTES ] [ -q ] [ HASHTYPE ]
       HASHTYPE [ -s SALT ] [ -x ] [ -n #BYTES ] [ -q ]

DESCRIPTION
       hashalot  is  a small tool that reads a passphrase from standard input, hashes it using the given hash type, and prints the result to stan-
       dard output.

       Warning: If you do not use the -x option, the hash is printed in binary. This may wedge your terminal settings, or even force  you  to  log
       out.

       Supported values for HASHTYPE:
	       ripemd160 rmd160 rmd160compat sha256 sha384 sha512

OPTIONS
       The option -s SALT specifies an initialization vector to the hashing algorithm. You need this if you want to prevent identical passwords to
       map to identical hashes, which is a security risk.

       If the -x option is given then the hash will be printed as a string of hexadecimal digits.

       The -n option can be used to limit (or increase) the number of bytes output. The default is as appropriate for  the  specified  hash  algo-
       rithm:  20  bytes  for RIPEMD160, 32 bytes for SHA256, etc. The default for the "rmd160compat" hash is 16 bytes, for compatibility with the
       old kerneli.org utilities.

       The -q option causes hashalot to be more quiet and not print some warnings which may be superfluous.

AUTHOR
       Ben Slusky <sluskyb@paranoiacs.org>

       This manual page was written by Matthias Urlichs <smurf@debian.org>.

								    09 Feb 2004 						       HASHALOT(1)