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hmackeys - utility program for generating good HMAC-SHA1 keys


hmackeys [ keynames_filename ]


hmackeys writes files containing randomized 160-bit key values suitable for use by
HMAC-SHA1 in support of Bundle Authentication Block processing, Bundle Relay Service
connections, or other functions for which symmetric hash computation is applicable. One
file is written for each key name presented to hmackeys; the content of each file is 20
consecutive randomly selected 8-bit integer values, and the name given to each file is
simply "keyname.hmk".

hmackeys operates in response to the key names found in the file keynames_filename, one
name per file text line, if provided; if not, hmackeys prints a simple prompt (:) so that
the user may type key names directly into standard input.

When the program is run in interactive mode, either enter 'q' or press ^C to terminate.


"0" Completion of key generation.


Enter interactive HMAC/SHA1 key generation mode.

hmackeys host1.keynames
Create a key file for each key name in host1.keynames, then terminate immediately.

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