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HASHALOT - reference manual online

Read a passphrase and print a hash.

Chapter
09 Feb 2004
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 standard 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. This is not a general purpose hasher, only the first line is used, not even including the final newline. Thus, don't be surprised if the output seems to be different from other tools -- you'd have to hash exactly the same string. 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 algorithm: 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 <@paranoiacs.org> This manual page was written by Matthias Urlichs <@debian.org>.
09 Feb 2004 HASHALOT(1)
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hashalot(1) referred by fmtree(8) | signify-openbsd(1) | ssh-cron(1)
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