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Groups > linux.debian.user > #194941

Re: encryption

From David Christensen <dpchrist@holgerdanske.com>
Newsgroups linux.debian.user
Subject Re: encryption
Date 2018-04-21 22:10 +0200
Message-ID <vH6ZA-2bM-19@gated-at.bofh.it> (permalink)
References <vGK2Z-3Dx-1@gated-at.bofh.it> <vH3Il-8kQ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 04/20/18 12:38, Brian wrote:
> DECRYPT=$(scrypt dec /usr/local/bin/myscript) && eval "$DECRYPT"

On 04/21/18 09:36, David Wright wrote:
> If so, then won't the password be revealed by ps while eval is 
> evaluating it?

Apparently, not:

2018-04-21 13:02:16 dpchrist@vstretch ~/sandbox/sh
$ cat environment-var-ps
CMD="echo hello" && eval "$CMD" && sleep 3 && echo world! &
ps -f

2018-04-21 13:02:18 dpchrist@vstretch ~/sandbox/sh
$ dash environment-var-ps
hello
UID        PID  PPID  C STIME TTY          TIME CMD
dpchrist  1681  1268  0 11:42 pts/1    00:00:00 -bash
dpchrist  2541  1681  0 13:02 pts/1    00:00:00 dash environment-var-ps
dpchrist  2542  2541  0 13:02 pts/1    00:00:00 dash environment-var-ps
dpchrist  2543  2541  0 13:02 pts/1    00:00:00 ps -f
dpchrist  2544  2542  0 13:02 pts/1    00:00:00 sleep 3

2018-04-21 13:02:21 dpchrist@vstretch ~/sandbox/sh
$ world!


2018-04-21 13:03:03 dpchrist@vstretch ~/sandbox/sh
$ bash environment-var-ps
hello
UID        PID  PPID  C STIME TTY          TIME CMD
dpchrist  1681  1268  0 11:42 pts/1    00:00:00 -bash
dpchrist  2556  1681  0 13:03 pts/1    00:00:00 bash environment-var-ps
dpchrist  2557  2556  0 13:03 pts/1    00:00:00 bash environment-var-ps
dpchrist  2558  2556  0 13:03 pts/1    00:00:00 ps -f
dpchrist  2559  2557  0 13:03 pts/1    00:00:00 sleep 3

2018-04-21 13:03:05 dpchrist@vstretch ~/sandbox/sh
$ world!


David

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Thread

encryption Brian <ad44@cityscape.co.uk> - 2018-04-20 21:40 +0200
  Re: encryption Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-20 22:00 +0200
  Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 02:10 +0200
    Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-21 17:30 +0200
      Re: encryption john doe <johndoe65534@mail.com> - 2018-04-21 17:40 +0200
        Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 22:00 +0200
          Re: encryption john doe <johndoe65534@mail.com> - 2018-04-22 08:30 +0200
            Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-22 20:30 +0200
      Re: encryption Glenn English <ghe2001@gmail.com> - 2018-04-21 19:00 +0200
        Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 22:30 +0200
      Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 21:50 +0200
        Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-22 18:20 +0200
          Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-22 18:50 +0200
            Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-23 10:50 +0200
              Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-23 13:20 +0200
                Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-24 20:50 +0200
  Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-21 18:40 +0200
    Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-21 20:20 +0200
      Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-21 21:00 +0200
        Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-21 21:20 +0200
          Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 23:30 +0200
          Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-22 04:30 +0200
            Re: encryption Curt <curty@free.fr> - 2018-04-22 11:20 +0200
              Re: encryption Reco <recoverym4n@gmail.com> - 2018-04-22 11:50 +0200
                Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-22 19:10 +0200
      Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 22:50 +0200
    Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-21 22:10 +0200
      Re: encryption David Wright <deblis@lionunicorn.co.uk> - 2018-04-22 04:00 +0200
        Re: encryption Brian <ad44@cityscape.co.uk> - 2018-04-22 17:40 +0200
          Re: encryption Richard Hector <richard@walnut.gen.nz> - 2018-04-23 08:00 +0200
            Re: encryption Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2018-04-23 09:00 +0200
        Re: encryption David Christensen <dpchrist@holgerdanske.com> - 2018-04-22 20:10 +0200

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