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7db526c730
The ec_name_to_curve and ec_curve_to_name functions shouldn't really
have had to exist at all: whenever any part of the PuTTY codebase
starts using sshecc.c, it's starting from an ssh_signkey or ssh_kex
pointer already found by some other means. So if we make sure not to
lose that pointer, we should never need to do any string-based lookups
to find the curve we want, and conversely, when we need to know the
name of our curve or our algorithm, we should be able to look it up as
a straightforward const char * starting from the algorithm pointer.
This commit cleans things up so that that is indeed what happens. The
ssh_signkey and ssh_kex structures defined in sshecc.c now have
'extra' fields containing pointers to all the necessary stuff;
ec_name_to_curve and ec_curve_to_name have been completely removed;
struct ec_curve has a string field giving the curve's name (but only
for those curves which _have_ a name exposed in the wire protocol,
i.e. the three NIST ones); struct ec_key keeps a pointer to the
ssh_signkey it started from, and uses that to remember the algorithm
name rather than reconstructing it from the curve. And I think I've
got rid of all the ad-hockery scattered around the code that switches
on curve->fieldBits or manually constructs curve names using stuff
like sprintf("nistp%d"); the only remaining switch on fieldBits
(necessary because that's the UI for choosing a curve in PuTTYgen) is
at least centralised into one place in sshecc.c.
One user-visible result is that the format of ed25519 host keys in the
registry has changed: there's now no curve name prefix on them,
because I think it's not really right to make up a name to use. So any
early adopters who've been using snapshot PuTTY in the last week will
be inconvenienced; sorry about that.
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| .. | ||
| pageant.ico | ||
| pageant.mft | ||
| pageant.rc | ||
| pageants.ico | ||
| plink.rc | ||
| pscp.ico | ||
| pscp.rc | ||
| psftp.rc | ||
| putty.ico | ||
| putty.iss | ||
| putty.mft | ||
| putty.rc | ||
| puttycfg.ico | ||
| puttygen.ico | ||
| puttygen.mft | ||
| puttygen.rc | ||
| puttyins.ico | ||
| puttytel.rc | ||
| rcstuff.h | ||
| README.txt | ||
| sizetip.c | ||
| version.rc2 | ||
| website.url | ||
| win_res.h | ||
| win_res.rc2 | ||
| wincfg.c | ||
| wincons.c | ||
| winctrls.c | ||
| windefs.c | ||
| windlg.c | ||
| window.c | ||
| wingss.c | ||
| winhandl.c | ||
| winhelp.c | ||
| winhelp.h | ||
| winhsock.c | ||
| winjump.c | ||
| winmisc.c | ||
| winnet.c | ||
| winnoise.c | ||
| winnojmp.c | ||
| winnpc.c | ||
| winnps.c | ||
| winpgen.c | ||
| winpgnt.c | ||
| winpgntc.c | ||
| winplink.c | ||
| winprint.c | ||
| winproxy.c | ||
| winsecur.c | ||
| winsecur.h | ||
| winser.c | ||
| winsftp.c | ||
| winshare.c | ||
| winstore.c | ||
| winstuff.h | ||
| wintime.c | ||
| winucs.c | ||
| winutils.c | ||
| winx11.c | ||
PuTTY README
============
This is the README file for the PuTTY installer distribution. If
you're reading this, you've probably just run our installer and
installed PuTTY on your system.
What should I do next?
----------------------
If you want to use PuTTY to connect to other computers, or use PSFTP
to transfer files, you should just be able to run them from the
Start menu.
If you want to use the command-line-only file transfer utility PSCP,
you will probably want to put the PuTTY installation directory on
your PATH. On Windows 7 and similar versions, you can do this at
Control Panel > System and Security > System > Advanced system
settings > Environment Variables.
Some versions of Windows will refuse to run HTML Help files (.CHM)
if they are installed on a network drive. If you have installed
PuTTY on a network drive, you might want to check that the help file
works properly. If not, see http://support.microsoft.com/kb/896054
for information on how to solve this problem.
What do I do if it doesn't work?
--------------------------------
The PuTTY home web site is
http://www.chiark.greenend.org.uk/~sgtatham/putty/
Here you will find our list of known bugs and pending feature
requests. If your problem is not listed in there, or in the FAQ, or
in the manuals, read the Feedback page to find out how to report
bugs to us. PLEASE read the Feedback page carefully: it is there to
save you time as well as us. Do not send us one-line bug reports
telling us `it doesn't work'.