Great Circle Associates Firewalls
(March 1996)
 

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Subject: Re: Password generating program
From: long-morrow @ CS . YALE . EDU
Date: Fri, 8 Mar 1996 08:16:58 -0500 (EST)
To: bobk @ manzanita . DEV . 3Com . COM, firewalls @ greatcircle . com

bobk @
 manzanita .
 DEV .
 3Com .
 COM wrote:
>I've heard that there is a password generating program that will generate
>fairly random, but pronounceable passwords.
>
>If anyone knows of the source of such a program, I'd appreciate hearing
>from them.  Unless they do, I'll return the source of information to the list.

Well, I've added some additional randomness to my 'randpass' program
(adding a prompt for a random number between 1 and 4,294,967,295, this
is used with the system clock time and the process ID to build seeds.
It is hard to come up with good truly random numbers!).

When run as 'randpass -p' to produces more pronounceable passwords but
reduces the search space to just upper and lower case characters.

The standard mode ( just 'randpass' ) produces more random passwords
(which look like line noise), guarunteed to be a good mix of digits,
characters in both cases and punctuation symbols.

The software is available as a C source file via URLs:
 
 ftp://sparky.cs.yale.edu/pub/long/src/network/security/randpass.c
 http://sparky.cs.yale.edu/pub/long/src/network/security/randpass.c
 
- Morrow


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