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README.md

rpass

Strong password generator for humans

Features:

  • Short to type, ideal for use on mobile devices or the command line
  • No shift or alternate keyboard needed when typing
  • Both visually and phonetically unambiguous
  • Blanks can be inserted at arbitrary places to enhance visual representation

Requirements

Build requirements:

  • C89 compiler

Run-time requirements:

Install on OpenBSD

$ make
$ doas make install

Install on macOS

$ make
$ sudo make install

Examples

Random password from a 40 bit key space:

$ rpass
jikmus xuzjex

Random password from a 60 bit key space:

$ rpass 60
loltuk zahxok takrep

Key space requirements

The default key space of 40 bits relies on the following requirements:

  • the adversary has no more than $25,000.00 to spend on brute forcing the password (as of 2019 according to 8x Nvidia GTX 1080 Ti Hashcat Benchmarks)
  • the password is stored using bcrypt(3) with 2^10 rounds
  • the password only has to be secure for one year

Additional details about this calculation can be found in the manual.

Documentation

All features are documented in the manual: rpass(1).

License

ISC

Copyright (c) 2017, 2019 Tim Kuijsten

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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Strong password generator for humans

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