Bug#920215: certtool: improve documentation for values of --key-type

[Daniel Kahn Gillmor]

Package: gnutls-bin
Version: 3.6.5-2
Severity: minor

In certtool(1), it says:

       --key-type=string
              Specify the key type to use on key generation.

              This option can be combined with --generate-privkey, to specify
                  the key type to be generated. Valid options are, 'rsa',
              'rsa-pss',

there are more valid options than 'rsa' and 'rsa-pss' (e.g. i just
tested, and 'ed25519' works fine), but those are the only two listed
in the manpage.

       --dkg


-- System Information:
Debian Release: buster/sid
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'testing'), (200, 'unstable-debug'), (200, 'unstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gnutls-bin depends on:
ii  libc6            2.28-5
ii  libgmp10         2:6.1.2+dfsg-4
ii  libgnutls-dane0  3.6.5-2
ii  libgnutls30      3.6.5-2
ii  libhogweed4      3.4.1~rc1-1
ii  libidn2-0        2.0.5-1
ii  libnettle6       3.4.1~rc1-1
ii  libopts25        1:5.18.12-4
ii  libp11-kit0      0.23.14-2
ii  libtasn1-6       4.13-3
ii  libunistring2    0.9.10-1

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