| author | Thomas Lindae <thomas.lindae@in.tum.de> |
| Thu, 18 Jul 2024 22:08:46 +0200 | |
| changeset 81079 | ff813e8a3271 |
| parent 62145 | 5b946c81dfbf |
| permissions | -rw-r--r-- |
| 32631 | 1 |
theory All_Symmetric |
2 |
imports Message |
|
3 |
begin |
|
| 1944 | 4 |
|
| 61830 | 5 |
text \<open>All keys are symmetric\<close> |
| 1944 | 6 |
|
| 62145 | 7 |
overloading all_symmetric \<equiv> all_symmetric |
8 |
begin |
|
9 |
definition "all_symmetric \<equiv> True" |
|
10 |
end |
|
|
14145
2e31b8cc8788
ZhouGollmann: new example (fair non-repudiation protocol)
paulson
parents:
13922
diff
changeset
|
11 |
|
| 32631 | 12 |
lemma isSym_keys: "K \<in> symKeys" |
13 |
by (simp add: symKeys_def all_symmetric_def invKey_symmetric) |
|
| 18886 | 14 |
|
| 32631 | 15 |
end |