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207 Commits

Author SHA1 Message Date
Cas Cremers
1c3e32a2da Refactoring. 2018-10-19 21:28:22 -04:00
Cas Cremers
178c20a61c Refactoring code. 2018-10-19 20:27:35 -04:00
Cas Cremers
024a76a32b Minor refactoring. 2018-10-19 20:17:50 -04:00
Cas Cremers
0d9c23c33b Reindent code for consistency. 2018-10-15 09:40:07 -04:00
Cas Cremers
7956eb5953 Removed a simple nested function. 2018-10-14 17:43:13 +02:00
Cas Cremers
6374683d17 Visualisation improvement: role variables get priority in assigning concrete values. 
Previously, if a local (non-role) variable would have (implicit) agent type,
it would be assigned a concrete term before the roles. This would lead to
non-optimal choices, since we care more about the role instantiations than about other variables.

However, when making traces concrete, we use the run's 'locals' list. Because of
the way this is constructed (in reverse), non-role variables precede the role variables.
We therefore choose to traverse the list in reverse.
 2014-07-06 21:31:20 +01:00
Cas Cremers
b0e5128e23 Attack output improvement: better choice of agent names. 
When an attack pattern is displayed, Scyther instantiates open variables with concrete names.
This is often more intuitive for humans.

In the case of instantiating role names, we often ended up assigning Alice to the B role and
Bob to the A role. This patch provides a more clever heuristic to find agent names
that start with the same letter as the role (variable) name. In case this fails, we
still try to map Alice to roles starting with 'I' and Bob to 'R', and otherwise we just pick something.

Also added "Simon" and "Pete" to cover some common role names.

Conflicts:
	src/arachne.c
 2014-06-30 17:06:23 +01:00
Cas Cremers
4fa48239a5 Cleanup: added missing header files. 2014-03-18 13:53:51 +00:00
Cas Cremers
d06247fcfe Updating time stamps for next release. 2013-10-05 23:56:12 +01:00
Cas Cremers
45d5cb0a3a Cleanup: Cleanup of some spacing, conform coding conventions. 
This is simply the result from running reindent.sh again.
 2013-06-19 23:03:26 +02:00
Cas Cremers
7658644295 Rati Gelashvili reported a rare but annoying bug in the hash function handling. 
The fix requires a significant reworking of the function handling. This
is a first attempt.

Conflicts:
	src/knowledge.c
	src/knowledge.h

Regression test suggests that the Hashfunction fix works.
 2013-04-26 14:47:27 +02:00
Cas Cremers
1bbd2f1ab7 Introduced markers in proof output for consistency with book description. 2012-10-02 13:43:30 +02:00
Cas Cremers
2242a5fcbd Fixing read->recv conventions. 2012-04-25 09:53:07 +02:00
Cas Cremers
1cbe9826ac Updated dates. 2012-04-24 13:56:51 +02:00
Cas Cremers
6afcfe1d10 NEW: Added SID & SKR dummy claims. 
This allows for input file reuse among branches (i.e. compromise).
 2011-01-04 15:50:25 +01:00
Cas Cremers
fcf694dbd9 CLEANUP: Reindenting code. 2010-11-11 00:09:16 +01:00
Cas Cremers
739f59174f Removed unused functions. 2008-08-21 16:58:12 +02:00
Cas Cremers
2107d76532 Proof output improved for occurrences of the Athena problem. 2007-09-18 15:36:11 +02:00
Cas Cremers
a93b555b1a Added cast to solve long-standing compilation warning. 
Note that the cast does not seem to be needed after manual inspection, but
the compiler insists.
 2007-09-17 16:53:37 +02:00
Cas Cremers
7d584cca1e Added GPL 2 License to the C sources. 
A first step towards releasing Scyther completely to the public.
 2007-06-11 14:01:04 +02:00
Cas Cremers
1542d65def - Big catchup commit to make sure we are up to beta7. 
This includes a number of single patches, ranging from the vista fix with the buffers, to the start of many new minor features.
 2007-05-18 14:06:29 +02:00
ccremers
16291579e7 - Fixed malloc problem. 2007-01-09 14:47:33 +00:00
ccremers
89c3a20acf - Many cleanups to make -Wall happy. Next up is pedantic... 2007-01-06 14:45:29 +00:00
ccremers
8d66dc48fd - Fixed intruder generated value displays. 2006-12-05 10:10:17 +00:00
ccremers
31f1753e4e - Added malloc wrappers for OSX builds. 2006-09-12 16:17:49 +00:00
ccremers
341bbfeb0c - Minor refactoring. 2006-08-08 14:50:28 +00:00
ccremers
ec3be3d55b - Implemented --claim=ns3,I switch to filter certain claims. 2006-08-08 12:30:29 +00:00
ccremers
5e10206df1 - Added encapsulated dot output and claim reporting to the XML output. 2006-08-01 07:31:40 +00:00
ccremers
9a98e66671 - Claim status is now reported after each claim. 2006-08-01 06:10:12 +00:00
ccremers
92a98a85cc - Single claim check branched. 2006-08-01 06:04:01 +00:00
ccremers
f31b5bfe9c - Started rewrite of main algorithm, by removing dynamic addition of M_0 
nodes, and simply restricting it to a single M_0 send node.
 2006-07-09 15:08:42 +00:00
ccremers
a8dee79504 - Added support for different attack heuristics. Disable with --prune=2. 2006-07-06 15:52:13 +00:00
ccremers
d2058d937b - Revised cost heuristic. Trace length is no longer the real 
optimization.
 2006-04-02 12:29:02 +00:00
ccremers
52708d09b4 - MakeTraceConcrete now yields nicer choices, e.g. "Agent1" or "Nonce2". 2006-04-02 11:56:22 +00:00
ccremers
8c03bba02a - Fixed a bug in output overwrite for de-class code. 2006-03-31 12:24:32 +00:00
ccremers
881eccd6be - Fixed --disable-intruder: it now also uses no tupling shortcuts. 2006-03-19 12:59:26 +00:00
ccremers
5624f7e7b6 - Added some comments. 2006-03-15 08:56:23 +00:00
ccremers
25244c5b23 - Fixed bug in new tuple expansion code (again, caused by the intricate 
"realX" versus "isX" distinction.)
- Added structures for rho, sigma, constants, but did not activate them
  yet.
 2006-03-15 08:51:08 +00:00
ccremers
16a59624fe - Revised dot output. 
- Reintroduced intruder events.
  - Added colors.
 2006-03-14 11:37:28 +00:00
ccremers
5487d3ae90 - From this version onwards, Scyther no longer supports the modelchecker 
method. A big cleanup has been started, but is not finished yet, so
  minor artefacts might still remain. These are to be cleaned up later.
 2006-03-08 13:58:46 +00:00
ccremers
1678577ce0 - Improved proof reports. 
- Minor (epsilon type) efficiency improvement.
 2006-03-05 15:18:39 +00:00
ccremers
f3d94b8e0d - Removed old hack lemmas by clean ones. 2006-02-28 15:01:58 +00:00
ccremers
00616e45ed - Bit masking was incorrect: & binds less strong than == ! 
This caused many of the --experimental switches not to work.
 2006-02-28 13:41:36 +00:00
ccremers
cf832ca1b1 - Seems to work again, but further testing is needed. 2006-02-27 22:27:09 +00:00
ccremers
b49d13b6ee - [[[ Broken commit. ]]] 
Stuff seems to be working again, slightly less efficient though (count
  states).
 2006-02-27 16:08:17 +00:00
ccremers
c22173e5ee - [[[ Broken commit ]]] 
More work on the arachne multiple-decryptor. Horrific.
 2006-02-26 20:01:22 +00:00
ccremers
95df010a54 - [[[ Broken commit ]]] 
More intermediate work.
 2006-02-26 17:18:59 +00:00
ccremers
0ce88af6ac - [[[ Broken commit ]]] 
Committing partial new Warshall work because it is getting too big.
 2006-02-26 15:00:58 +00:00
ccremers
b16023bf0e - Cleaned up heuristic code. Note that there is a "hidden" heuristic: 
implicitly, older goals are resolved first, if some goals have equal
  weights. This is encoded in the "w <=" comparison; if this is set to
  "w <", the heuristic becomes much less effective.
 2006-02-23 15:03:43 +00:00
ccremers
921c82876d - experimental=4 now disables some things. Weirdly enough, they don't 
seem to make much difference.
 2006-02-22 09:53:50 +00:00