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cfg80211: use key size constants

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Instead of hardcoding the key length for validation, use the
constants Zhu Yi recently added and add one for AES_CMAC too.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-05-24 16:57:19 +02:00 committed by John W. Linville
parent 362a415dce
commit 8fc0fee092
2 changed files with 6 additions and 6 deletions
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1
include/linux/ieee80211.h
View File

@ -1092,6 +1092,7 @@ enum ieee80211_key_len {
WLAN_KEY_LEN_WEP104 = 13,
WLAN_KEY_LEN_CCMP = 16,
WLAN_KEY_LEN_TKIP = 32,
WLAN_KEY_LEN_AES_CMAC = 16,
};
/*

11
net/wireless/util.c
View File

@ -157,26 +157,25 @@ int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
params->cipher != WLAN_CIPHER_SUITE_WEP104)
return -EINVAL;
/* TODO: add definitions for the lengths to linux/ieee80211.h */
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
if (params->key_len != 5)
if (params->key_len != WLAN_KEY_LEN_WEP40)
return -EINVAL;
break;
case WLAN_CIPHER_SUITE_TKIP:
if (params->key_len != 32)
if (params->key_len != WLAN_KEY_LEN_TKIP)
return -EINVAL;
break;
case WLAN_CIPHER_SUITE_CCMP:
if (params->key_len != 16)
if (params->key_len != WLAN_KEY_LEN_CCMP)
return -EINVAL;
break;
case WLAN_CIPHER_SUITE_WEP104:
if (params->key_len != 13)
if (params->key_len != WLAN_KEY_LEN_WEP104)
return -EINVAL;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
if (params->key_len != 16)
if (params->key_len != WLAN_KEY_LEN_AES_CMAC)
return -EINVAL;
break;
default: