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Add build option to remove all internal RC4 uses

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The new CONFIG_NO_RC4=y build option can be used to remove all internal
hostapd and wpa_supplicant uses of RC4. It should be noted that external
uses (e.g., within a TLS library) do not get disabled when doing this.

This removes capability of supporting WPA/TKIP, dynamic WEP keys with
IEEE 802.1X, WEP shared key authentication, and MSCHAPv2 password
changes.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-08-01 23:37:07 +03:00
parent a1eabc74b8
commit 7cb53ded11
12 changed files with 82 additions and 0 deletions
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2
src/ap/wpa_auth.c
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@ -1540,6 +1540,7 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
else
WPA_PUT_BE16(key->key_data_length,
key_data_len);
#ifndef CONFIG_NO_RC4
} else if (sm->PTK.kek_len == 16) {
u8 ek[32];
os_memcpy(key->key_iv,
@ -1555,6 +1556,7 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
else
WPA_PUT_BE16(key->key_data_length,
key_data_len);
#endif /* CONFIG_NO_RC4 */
} else {
os_free(hdr);
os_free(buf);