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This code base has always been a bit confused about which spelling it likes to use to refer to that signature algorithm. The SSH protocol id is "ssh-dss". But everyone I know refers to it as the Digital Signature _Algorithm_, not the Digital Signature _Standard_. When I moved everything down into the crypto subdir, I took the opportunity to rename sshdss.c to dsa.c. Now I'm doing the rest of the job: all internal identifiers and code comments refer to DSA, and the spelling "dss" only survives in externally visible identifiers that have to remain constant. (Such identifiers include the SSH protocol id, and also the string id used to identify the key type in PuTTY's own host key cache. We can't change the latter without causing everyone a backwards-compatibility headache, and if we _did_ ever decide to do that, we'd surely want to do a much more thorough job of making the cache format more sensible!)
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.