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eapol: Convert memsets to explicit_bzero
We were wiping out certain secrets via memset. Convert them to explicit_bzero just in case the compiler decides to optimize them out.
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@ -258,7 +258,7 @@ uint8_t *eapol_decrypt_key_data(enum ie_rsn_akm_suite akm, const uint8_t *kek,
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memcpy(key + 16, kek, 16);
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memcpy(key + 16, kek, 16);
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ret = arc4_skip(key, 32, 256, key_data, key_data_len, buf);
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ret = arc4_skip(key, 32, 256, key_data, key_data_len, buf);
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memset(key, 0, sizeof(key));
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explicit_bzero(key, sizeof(key));
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if (!ret)
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if (!ret)
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goto error;
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goto error;
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@ -795,9 +795,9 @@ static void eapol_sm_destroy(void *value)
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eapol_frame_watch_remove(sm->watch_id);
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eapol_frame_watch_remove(sm->watch_id);
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sm->installed_gtk_len = 0;
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sm->installed_gtk_len = 0;
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memset(sm->installed_gtk, 0, sizeof(sm->installed_gtk));
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explicit_bzero(sm->installed_gtk, sizeof(sm->installed_gtk));
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sm->installed_igtk_len = 0;
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sm->installed_igtk_len = 0;
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memset(sm->installed_igtk, 0, sizeof(sm->installed_igtk));
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explicit_bzero(sm->installed_igtk, sizeof(sm->installed_igtk));
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l_free(sm);
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l_free(sm);
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