| ieee80211_crypto_wep.c (302408) | ieee80211_crypto_wep.c (305614) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 10 unchanged lines hidden (view full) --- 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 10 unchanged lines hidden (view full) --- 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include <sys/cdefs.h> |
| 27__FBSDID("$FreeBSD: stable/11/sys/net80211/ieee80211_crypto_wep.c 288526 2015-10-03 00:50:13Z adrian $"); | 27__FBSDID("$FreeBSD: stable/11/sys/net80211/ieee80211_crypto_wep.c 305614 2016-09-08 15:05:25Z pfg $"); |
| 28 29/* 30 * IEEE 802.11 WEP crypto support. 31 */ 32#include "opt_wlan.h" 33 34#include <sys/param.h> 35#include <sys/systm.h> --- 392 unchanged lines hidden (view full) --- 428 j = 0; 429 keylen = key->wk_keylen + IEEE80211_WEP_IVLEN; 430 for (i = 0; i < 256; i++) { 431 j = (j + S[i] + rc4key[i % keylen]) & 0xff; 432 S_SWAP(i, j); 433 } 434 435 off = hdrlen + wep.ic_header; | 28 29/* 30 * IEEE 802.11 WEP crypto support. 31 */ 32#include "opt_wlan.h" 33 34#include <sys/param.h> 35#include <sys/systm.h> --- 392 unchanged lines hidden (view full) --- 428 j = 0; 429 keylen = key->wk_keylen + IEEE80211_WEP_IVLEN; 430 for (i = 0; i < 256; i++) { 431 j = (j + S[i] + rc4key[i % keylen]) & 0xff; 432 S_SWAP(i, j); 433 } 434 435 off = hdrlen + wep.ic_header; |
| 436 data_len = m->m_pkthdr.len - (off + wep.ic_trailer), | 436 data_len = m->m_pkthdr.len - (off + wep.ic_trailer); |
| 437 438 /* Compute CRC32 over unencrypted data and apply RC4 to data */ 439 crc = ~0; 440 i = j = 0; 441 pos = mtod(m, uint8_t *) + off; 442 buflen = m->m_len - off; 443 for (;;) { 444 if (buflen > data_len) --- 50 unchanged lines hidden --- | 437 438 /* Compute CRC32 over unencrypted data and apply RC4 to data */ 439 crc = ~0; 440 i = j = 0; 441 pos = mtod(m, uint8_t *) + off; 442 buflen = m->m_len - off; 443 for (;;) { 444 if (buflen > data_len) --- 50 unchanged lines hidden --- |