[tor-bugs] #19777 [Core Tor/Tor]: tor-gencert should warn nicely when PEM passphrases are too short

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#19777: tor-gencert should warn nicely when PEM passphrases are too short
------------------------------+---------------------
     Reporter:  isis          |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Very Low      |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Minor         |   Keywords:  gencert
Actual Points:                |  Parent ID:
       Points:  1             |   Reviewer:
      Sponsor:                |
------------------------------+---------------------
 If you do `$ ./src/tools/tor-gencert --create-identity-key` and then give
 a horribly insecure passphrase like "tor" as the passphrase to the PEM
 certificate, tor-gencert will give this rather cryptic error message:

 {{{
 Jul 28 18:46:45.709 [err] Couldn't write identity key to
 ./authority_identity_key
 Jul 28 18:46:45.710 [err] crypto error while Writing identity key:
 problems getting password (in PEM routines:PEM_def_callback)
 Jul 28 18:46:45.710 [err] crypto error while Writing identity key: read
 key (in PEM routines:DO_PK8PKEY)
 }}}

 It would be nice if instead it just said "I require a passphrase with a
 minimum of 8 characters!" or something like that.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19777>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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