mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-28 21:19:24 +01:00
md5: Remove and move to src/crypto.c
This commit is contained in:
Denis Kenzior
parent
cefff31273
commit
260ef5bb9d
@ -47,7 +47,6 @@ src_iwd_SOURCES = src/main.c linux/nl80211.h linux/kdbus.h \
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src/wiphy.h src/wiphy.c \
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src/aes.h src/aes.c \
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src/arc4.h src/arc4.c \
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src/md5.h src/md5.c \
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src/sha1.h src/sha1.c \
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src/ie.h src/ie.c \
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src/dbus.h src/dbus.c \
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@ -72,9 +71,9 @@ monitor_iwmon_SOURCES = monitor/main.c linux/nl80211.h \
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src/mpdu.h src/mpdu.c \
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src/util.h src/util.c \
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src/sha1.h src/sha1.c \
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src/md5.h src/md5.c \
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src/aes.h src/aes.c \
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src/arc4.h src/arc4.c \
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src/crypto.h src/crypto.c \
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src/eapol.h src/eapol.c
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monitor_iwmon_LDADD = ell/libell-internal.la
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@ -102,7 +101,8 @@ unit_test_arc4_SOURCES = unit/test-arc4.c \
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unit_test_arc4_LDADD = ell/libell-internal.la
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unit_test_hmac_md5_SOURCES = unit/test-hmac-md5.c \
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src/md5.h src/md5.c
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src/sha1.h src/sha1.c \
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src/crypto.h src/crypto.c
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unit_test_hmac_md5_LDADD = ell/libell-internal.la
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unit_test_hmac_sha1_SOURCES = unit/test-hmac-sha1.c \
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@ -136,7 +136,6 @@ unit_test_mpdu_LDADD = ell/libell-internal.la
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unit_test_eapol_SOURCES = unit/test-eapol.c \
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src/sha1.h src/sha1.c \
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src/md5.h src/md5.c \
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src/aes.h src/aes.c \
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src/arc4.h src/arc4.c \
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src/crypto.h src/crypto.c \
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19
src/crypto.c
19
src/crypto.c
@ -34,12 +34,13 @@
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#include "sha1.h"
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#include "crypto.h"
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bool hmac_sha256(const void *key, size_t key_len,
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static bool hmac_common(enum l_checksum_type type,
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const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size)
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{
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struct l_checksum *hmac;
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hmac = l_checksum_new_hmac(L_CHECKSUM_SHA256, key, key_len);
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hmac = l_checksum_new_hmac(type, key, key_len);
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if (!hmac)
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return false;
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@ -50,6 +51,20 @@ bool hmac_sha256(const void *key, size_t key_len,
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return true;
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}
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bool hmac_md5(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size)
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{
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return hmac_common(L_CHECKSUM_MD5, key, key_len, data, data_len,
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output, size);
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}
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bool hmac_sha256(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size)
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{
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return hmac_common(L_CHECKSUM_SHA256, key, key_len, data, data_len,
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output, size);
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}
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/* 802.11, Section 11.6.2, Table 11-4 */
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int crypto_cipher_key_len(enum crypto_cipher cipher)
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{
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@ -37,6 +37,8 @@ struct crypto_ptk {
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uint8_t tk[0];
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} __attribute__ ((packed));
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bool hmac_md5(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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bool hmac_sha256(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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@ -28,9 +28,9 @@
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#include <ell/ell.h>
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#include "sha1.h"
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#include "md5.h"
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#include "aes.h"
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#include "arc4.h"
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#include "crypto.h"
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#include "eapol.h"
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#define VERIFY_IS_ZERO(field) \
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95
src/md5.c
95
src/md5.c
@ -1,95 +0,0 @@
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/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <ell/ell.h>
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#include "src/md5.h"
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#define MD5_MAC_LEN 16
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static void __hmac_md5(struct l_checksum *checksum,
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const void *key, size_t key_len,
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const void *data, size_t data_len,
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void *output, size_t size)
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{
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unsigned char ipad[64];
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unsigned char opad[64];
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unsigned char digest[MD5_MAC_LEN];
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int i;
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/* if key is longer than 64 bytes reset it to key=MD5(key) */
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if (key_len > 64) {
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l_checksum_update(checksum, key, key_len);
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l_checksum_get_digest(checksum, digest, MD5_MAC_LEN);
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l_checksum_reset(checksum);
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key = digest;
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key_len = MD5_MAC_LEN;
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}
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/* start out by storing key in pads */
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memset(ipad, 0, sizeof(ipad));
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memset(opad, 0, sizeof(opad));
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memcpy(ipad, key, key_len);
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memcpy(opad, key, key_len);
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/* XOR key with ipad and opad values */
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for (i = 0; i < 64; i++) {
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ipad[i] ^= 0x36;
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opad[i] ^= 0x5c;
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}
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/* perform inner MD5 */
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l_checksum_update(checksum, ipad, sizeof(ipad));
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l_checksum_update(checksum, data, data_len);
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l_checksum_get_digest(checksum, digest, MD5_MAC_LEN);
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l_checksum_reset(checksum);
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/* perform outer MD5 */
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l_checksum_update(checksum, opad, sizeof(opad));
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l_checksum_update(checksum, digest, MD5_MAC_LEN);
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l_checksum_get_digest(checksum, output,
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size > MD5_MAC_LEN ? MD5_MAC_LEN : size);
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l_checksum_reset(checksum);
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}
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bool hmac_md5(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size)
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{
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struct l_checksum *checksum;
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checksum = l_checksum_new(L_CHECKSUM_MD5);
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__hmac_md5(checksum, key, key_len, data, data_len, output, size);
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l_checksum_free(checksum);
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return true;
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}
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26
src/md5.h
26
src/md5.h
@ -1,26 +0,0 @@
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/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdbool.h>
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bool hmac_md5(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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