[pkg-gnupg-maint] Bug#834447: Importing secret keys: Too much data for IPC layer

[Ryan Kavanagh]

Package: gnupg
Version: 2.1.14-5
Severity: normal

I am unable to import my secret key to gpg2.

------------------------8<------------------------------
rak at zeta:~/.gnupg$ gpg1 --list-secret-keys
/home/rak/.gnupg/secring.gpg
----------------------------
sec   1024D/E95EDDC9 2006-02-22
[snip]
ssb   2048g/74FCFC3F 2006-02-22
ssb   4096R/8C1ACB57 2006-11-07
ssb   4096R/9E1F3B91 2006-11-07

sec   10240R/4A11C97A 2009-09-23 [expires: 2016-01-25]
[snip]
ssb   10240R/0F5E9C64 2009-09-24

[snip]

rak at zeta:~/.gnupg$ gpg1 --export-secret-keys 0F5E9C64 --armor > 0F5E9C64.asc
rak at zeta:~/.gnupg$ gpg --import 0F5E9C64.asc
gpg: key 8F7BF8FC4A11C97A: "Ryan Kavanagh <rak at debian.org>" not changed
gpg: key 8F7BF8FC4A11C97A/8F7BF8FC4A11C97A: error sending to agent: Too much data for IPC layer
gpg: error building skey array: Too much data for IPC layer
gpg: Total number processed: 1
gpg:              unchanged: 1
gpg:       secret keys read: 1
rak at zeta:~/.gnupg$ gpg --list-secret-keys
/home/rak/.gnupg/pubring.kbx
----------------------------
sec   dsa1024 2006-02-22 [SC]
      4EBE56CB0EFECBED2A928D4F7BD15207E95EDDC9
[snip]
ssb   elg2048 2006-02-22 [E]
------------------------8<------------------------------

This may be because my key is "stupidly long" (cf. [0]). I admit, it is
stupidly long, but I generated it years ago and am stuck with it. So
could we please maintain support for it?

Best wishes,
Ryan

[0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=739424#10

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_CA.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gnupg depends on:
ii  gnupg-agent    2.1.14-5
ii  libassuan0     2.4.3-1
ii  libbz2-1.0     1.0.6-8
ii  libc6          2.23-4
ii  libgcrypt20    1.7.2-2
ii  libgpg-error0  1.24-1
ii  libksba8       1.3.4-4
ii  libreadline6   6.3-8+b4
ii  libsqlite3-0   3.14.1-1
ii  zlib1g         1:1.2.8.dfsg-2+b1

Versions of packages gnupg recommends:
ii  dirmngr     2.1.14-5
ii  gnupg-l10n  2.1.14-5

Versions of packages gnupg suggests:
pn  parcimonie  <none>
pn  xloadimage  <none>

-- no debconf information

-- 
|_)|_/  Ryan Kavanagh      | GPG: 4E46 9519 ED67 7734 268F
| \| \  https://ryanak.ca/ |      BD95 8F7B F8FC 4A11 C97A