author | wenzelm |
Tue, 03 Jan 2023 17:21:24 +0100 | |
changeset 76887 | d8cdddf7b9a5 |
parent 62145 | 5b946c81dfbf |
permissions | -rw-r--r-- |
32631 | 1 |
theory All_Symmetric |
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imports Message |
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begin |
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text \<open>All keys are symmetric\<close> |
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overloading all_symmetric \<equiv> all_symmetric |
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begin |
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definition "all_symmetric \<equiv> True" |
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end |
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2e31b8cc8788
ZhouGollmann: new example (fair non-repudiation protocol)
paulson
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changeset
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lemma isSym_keys: "K \<in> symKeys" |
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by (simp add: symKeys_def all_symmetric_def invKey_symmetric) |
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end |