This commit is groundwork for full certificate support, but doesn't
complete the job by itself. It introduces the new key types, and adds
a test in cryptsuite ensuring they work as expected, but nothing else.
If you manually construct a PPK file for one of the new key types, so
that it has a certificate in the public key field, then this commit
enables PuTTY to present that key to a server for user authentication,
either directly or via Pageant storing and using it. But I haven't yet
provided any mechanism for making such a PPK, so by itself, this isn't
much use.
Also, these new key types are not yet included in the KEXINIT host
keys list, because if they were, they'd just be treated as normal host
keys, in that you'd be asked to manually confirm the SSH fingerprint
of the certificate. I'll enable them for host keys once I add the
missing pieces.
This is the README for PuTTY, a free Windows and Unix Telnet and SSH
client.
PuTTY is built using CMake <https://cmake.org/>. To compile in the
simplest way (on any of Linux, Windows or Mac), run these commands in
the source directory:
cmake .
cmake --build .
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory using `doc/Makefile'. If you aren't using one of our
source snapshots, you'll need to do this yourself. Halibut can be
found at <https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.
The PuTTY home web site is
https://www.chiark.greenend.org.uk/~sgtatham/putty/
If you want to send bug reports or feature requests, please read the
Feedback section of the web site before doing so. Sending one-line
reports saying `it doesn't work' will waste your time as much as
ours.
See the file LICENCE for the licence conditions.
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