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eapol: Add comment for handling MIC failures

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This commit is contained in:
Denis Kenzior 2015-03-29 20:57:58 -05:00
parent f31407dd46
commit cf3681efbe
1 changed files with 6 additions and 0 deletions
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6
src/eapol.c
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@ -754,6 +754,12 @@ static void eapol_handle_ptk_3_of_4(uint32_t ifindex,
ek->key_descriptor_version,
sm->replay_counter);
/*
* 802.11-2012, Section 11.6.6.4, step b):
* Verifies the Message 3 MIC. If the calculated MIC does not match
* the MIC that the Authenticator included in the EAPOL-Key frame,
* the Supplicant silently discards Message 3.
*/
if (!eapol_calculate_mic(ptk->kck, step4, mic))
goto fail;