DOS ain't dead - GnuPG 1.4.23 for DOS

GnuPG 1.4.23 for DOS (Announce)

posted by bencollver , 08.05.2024, 22:19

I reproduced the problem in MS-DOS. While generating a key pair, i get as far as entering the passphrase twice. Then it freezes. Printf() debugging shows the following "backtrace."

passphrase_to_dek()
hash_passphrase()
randomize_buffer()
get_random_bits()
read_pool()
random_poll()
read_random_source()
getfnc_gather_random()
rndlinux_gather_random()

There's a do/while loop in rndlinux_gather_random() that never ends on MS-DOS. Every read from /dev/urandom$ returns 0 bytes and no errors.

I can read urandom$ from the command line, so the problem must have something to do with how GPG / DJGPP is reading it. I will troubleshoot this further when i find the time.

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Complete thread:

GnuPG 1.4.23 for DOS - bencollver, 08.05.2024, 07:03 (Announce)
- GnuPG 1.4.23 for DOS - rosegondon, 08.05.2024, 11:09
  - GnuPG 1.4.23 for DOS - bencollver, 08.05.2024, 16:48
    - GnuPG 1.4.23 for DOS - rosegondon, 08.05.2024, 18:20
      - GnuPG 1.4.23 for DOS - bencollver, 08.05.2024, 22:19
        GnuPG 1.4.23 for DOS - bencollver, 09.05.2024, 05:18
        GnuPG 1.4.23 for DOS - rosegondon, 09.05.2024, 12:48
        GnuPG 1.4.23 for DOS - bencollver, 09.05.2024, 16:32
        GnuPG 1.4.23 for DOS - rosegondon, 09.05.2024, 17:11
        GnuPG 1.4.23 for DOS - bencollver, 09.05.2024, 19:30
        GnuPG 1.4.23 for DOS - rosegondon, 09.05.2024, 21:08
        GnuPG 1.4.23 for DOS - bencollver, 09.05.2024, 23:32
        GnuPG 1.4.23 for DOS - rosegondon, 10.05.2024, 19:10
        GnuPG 1.4.23 for DOS - RayeR, 14.05.2024, 20:49
        GnuPG 1.4.23 for DOS - bencollver, 14.05.2024, 22:36
        GnuPG 1.4.23 for DOS - RayeR, 14.05.2024, 23:55
        NSA is coming to get you (and your cat)! - Rugxulo, 15.05.2024, 06:21
        NSA is coming to get you (and your cat)! - rosegondon, 15.05.2024, 11:48
        NSA is coming to get you (and your cat)! - RayeR, 15.05.2024, 17:40
        GnuPG 1.4.23 for DOS - rosegondon, 10.05.2024, 19:30
        GnuPG 1.4.23 for DOS - bencollver, 11.05.2024, 20:44
        GnuPG 1.4.23 for DOS - bencollver, 13.05.2024, 07:12
        GnuPG 1.4.23 for DOS - bencollver, 14.05.2024, 01:31
        GnuPG 1.4.23 for DOS - rosegondon, 14.05.2024, 09:53
        GnuPG 1.4.23 for DOS - bencollver, 14.05.2024, 17:04
        GnuPG 1.4.23 for DOS - rosegondon, 14.05.2024, 18:33
        GnuPG 1.4.23 for DOS - rosegondon, 15.05.2024, 11:43
        GnuPG 1.4.23 for DOS - bencollver, 15.05.2024, 17:00
        GnuPG 1.4.23 for DOS - rosegondon, 16.05.2024, 07:13
        GnuPG 1.4.23 for DOS - bencollver, 17.05.2024, 02:20
        GnuPG 1.4.23 for DOS - rosegondon, 17.05.2024, 07:31
        GnuPG 1.4.23 for DOS - bencollver, 17.05.2024, 16:14
        GnuPG 1.4.23 for DOS - rosegondon, 17.05.2024, 18:38
        GnuPG 1.4.23 for DOS - bencollver, 17.05.2024, 19:22
        GnuPG 1.4.23 for DOS - rosegondon, 17.05.2024, 22:03
        GnuPG 1.4.23 for DOS - rosegondon, 17.05.2024, 22:17
        GnuPG 1.4.23 for DOS - bencollver, 19.05.2024, 05:53
        GnuPG 1.4.23 for DOS - rosegondon, 17.05.2024, 22:31
        GnuPG 1.4.23 for DOS - bencollver, 19.05.2024, 05:10
        GnuPG 1.4.23 for DOS - rosegondon, 20.05.2024, 21:04
        GnuPG 1.4.23 for DOS - bencollver, 20.05.2024, 21:53
- GnuPG 1.4.23 for DOS - bencollver, 31.05.2024, 00:17
  - GnuPG 1.4.23 for DOS - bencollver, 31.05.2024, 02:04