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Cas Cremers f9a34f4de5 BUGFIX: Updating hashfunction usage in protocol files to new conventions. 
After the new function implementation, the 'Function' type is no longer one-way by default.
However, many protocol description files relied on this implicit assumption.
The solution is to use 'hashfunction' declarations instead to model one-wayness.

Original bug report by Binh Thanh Nguyen.
2014-01-08 15:13:16 +00:00
..
Gui Updating URLs. 2013-12-23 13:11:48 +00:00
Images - Reinstated the graphical about screen. 2007-01-27 22:52:22 +00:00
Protocols BUGFIX: Updating hashfunction usage in protocol files to new conventions. 2014-01-08 15:13:16 +00:00
Scripts Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
Scyther Cleanup of obsolete module import. 2013-12-09 14:25:11 +00:00
Time Added initial test script for the constraint solver module. 2008-03-14 00:01:25 +01:00
.gitignore More ignore patterns. 2011-03-31 15:01:13 +02:00
batcher.sh More comments. 2011-03-31 15:01:50 +02:00
Changelog.txt Updating URLs. 2013-12-23 13:11:48 +00:00
combos-book.sh Added test scripts for book and iso. 2011-01-25 10:24:37 +01:00
combos-ike.sh Adding missing scripts. 2011-03-31 15:00:56 +02:00
combos-ikev0.sh Adding missing scripts. 2011-03-31 15:00:56 +02:00
combos-ikev1.sh Adding missing scripts. 2011-03-31 15:00:56 +02:00
combos-ikev2.sh Adding missing scripts. 2011-03-31 15:00:56 +02:00
combos-iso.sh ISO test script now points to Scyther models in papers directory. 2011-09-23 11:24:02 +02:00
generate-attack-graphs.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
GNU-General-Public-License.txt Added GPL 2 License to the C sources. 2007-06-11 14:01:04 +02:00
INSTALL.md Added further information. 2013-12-13 22:58:26 +00:00
INSTALL.txt Updated installation markdown file. 2013-12-13 22:47:47 +00:00
json-scyther.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
make-bsub.py Adding make-bsub.py, which is needed by batcher.sh. 2011-01-26 13:21:02 +01:00
mpa.spdl Synchronising MPA branch with compromise branch where possible. 2012-04-25 17:03:51 +02:00
notes-brutus-mpa.txt Improving some scripts; exploit cache better. 2011-03-31 15:02:49 +02:00
ns3.spdl Added weak agreement claims to NS. 2012-05-01 16:37:04 +02:00
nsl3-broken.spdl Synchronising MPA branch with compromise branch where possible. 2012-04-25 17:03:51 +02:00
nsl3.spdl Adding weakagree claim to nsl3. 2012-05-02 10:15:33 +02:00
precompute-ike.sh Adding missing scripts. 2011-03-31 15:00:56 +02:00
progressbarDummy.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
README.md Merge branch 'master' of /home/cas/Dropbox/repos/scyther 2013-12-23 13:12:03 +00:00
scyther-gui.py Hack for Windows users to compensate for Graphviz "feature". 2013-12-09 14:24:57 +00:00
scyther-gui.rc - Added a windows resource file. 2006-08-09 09:13:39 +00:00
scyther-manual.pdf Updated manual. 2013-12-12 09:43:55 +00:00
scyther.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
test-delta.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
test-mpa.py Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
todo.txt Synchronising MPA branch with compromise branch where possible. 2012-04-25 17:03:51 +02:00
wiper.sh Added some minimal explanation to the wiper script. 2011-09-23 11:24:02 +02:00

README.md

The Scyther tool

Scyther is a tool for the symbolic analysis of security protocols. It is developed by Cas Cremers, and is available from http://www.cs.ox.ac.uk/people/cas.cremers/scyther/index.html.

The below instructions apply only to the distribution version of the Scyther tool. If you are working from the source files, some paths may be slightly different, and it is recommended to follow the instructions in ../README.md.

Running the scyther tool

Graphical user interface

The graphical user interface can be started by running scyther-gui.py, e.g., enter the following in a terminal and press return

python ./scyther-gui.py

Command-line usage

In the directory ./Scyther there should be an executable for the Scyther backend. Its name depends on the platform:

  • scyther-linux (Linux)
  • scyther-w32 (Windows)
  • scyther-mac (Mac OS X)

If this executable does not exist, you probably downloaded the source files, and will need to compile it first. See ../README.md for further details.

There are also various test scripts (for usage in Linux) in this directory.

Obtaining the sources

Scyther is being developed on Github, and its complete source files are availabe from https://github.com/cascremers/scyther.

Manual

We are currently rewriting the manual. The current (incomplete) distribution version of the manual can be found here:

Protocol Models

The protocol models have the extension .spdl and can be found in the following directories:

License

Currently the Scyther tool is licensed under the GPL 2, as indicated in the source code. Contact Cas Cremers if you have any questions.