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c2f1a563a5
This makes a second independent copy of an existing ssh_key, for situations where one piece of code is going to want to keep it after its current owner frees it. In order to have it work on an arbitrary ssh_key, whether public-only or a full public+private key pair, I've had to add an ssh_key query method to ask whether a private key is known. I'm surprised I haven't found a need for that before! But I suppose in most situations in an SSH client you statically know which kind of key you're dealing with.
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.