diff options
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/Makefile | 35 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/aes.c | 469 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/api.c | 246 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/arc4.c | 103 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/autoload.c | 40 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/cipher.c | 299 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/compress.c | 64 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/digest.c | 108 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/kmap_types.h | 20 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/michael_mic.c | 194 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/proc.c | 116 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/scatterwalk.c | 126 | ||||
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/scatterwalk.h | 51 |
13 files changed, 0 insertions, 1871 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/Makefile b/drivers/staging/rtl8187se/ieee80211/Makefile deleted file mode 100644 index b5b78dc..0000000 --- a/drivers/staging/rtl8187se/ieee80211/Makefile +++ /dev/null @@ -1,35 +0,0 @@ - -#EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/wireless -#EXTRA_CFLAGS += -O2 - -EXTRA_CFLAGS += -DTHOMAS_TURBO -EXTRA_CFLAGS += -DENABLE_IPS - -ifeq ($(shell uname -r|cut -d. -f1,2,3,4), 2.6.16.60-0) -EXTRA_CFLAGS += -DOPENSUSE_SLED -endif - -ifeq ($(shell uname -r|cut -d. -f1,2,3,4), 2.6.26.3-29) -EXTRA_CFLAGS += -DFEDORACORE_9 -endif - - -#+YJ,080626 -EXTRA_CFLAGS += -DENABLE_DOT11D - -#enable it for legacy power save, disable it for leisure power save -#CFLAGS += -DENABLE_LPS - -ieee80211-rtl-objs := dot11d.o ieee80211_softmac.o ieee80211_rx.o ieee80211_tx.o ieee80211_wx.o ieee80211_module.o ieee80211_softmac_wx.o - -ieee80211_crypt-rtl-objs := ieee80211_crypt.o -ieee80211_crypt_tkip-rtl-objs := ieee80211_crypt_tkip.o -ieee80211_crypt_ccmp-rtl-objs := ieee80211_crypt_ccmp.o -ieee80211_crypt_wep-rtl-objs := ieee80211_crypt_wep.o - -obj-m +=ieee80211-rtl.o -obj-m +=ieee80211_crypt-rtl.o -obj-m +=ieee80211_crypt_wep-rtl.o -obj-m +=ieee80211_crypt_tkip-rtl.o -obj-m +=ieee80211_crypt_ccmp-rtl.o - diff --git a/drivers/staging/rtl8187se/ieee80211/aes.c b/drivers/staging/rtl8187se/ieee80211/aes.c deleted file mode 100644 index 0c176e2..0000000 --- a/drivers/staging/rtl8187se/ieee80211/aes.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * Cryptographic API. - * - * AES Cipher Algorithm. - * - * Based on Brian Gladman's code. - * - * Linux developers: - * Alexander Kjeldaas <astor@fast.no> - * Herbert Valerio Riedel <hvr@hvrlab.org> - * Kyle McMartin <kyle@debian.org> - * Adam J. Richter <adam@yggdrasil.com> (conversion to 2.5 API). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * --------------------------------------------------------------------------- - * Copyright (c) 2002, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK. - * All rights reserved. - * - * LICENSE TERMS - * - * The free distribution and use of this software in both source and binary - * form is allowed (with or without changes) provided that: - * - * 1. distributions of this source code include the above copyright - * notice, this list of conditions and the following disclaimer; - * - * 2. distributions in binary form include the above copyright - * notice, this list of conditions and the following disclaimer - * in the documentation and/or other associated materials; - * - * 3. the copyright holder's name is not used to endorse products - * built using this software without specific written permission. - * - * ALTERNATIVELY, provided that this notice is retained in full, this product - * may be distributed under the terms of the GNU General Public License (GPL), - * in which case the provisions of the GPL apply INSTEAD OF those given above. - * - * DISCLAIMER - * - * This software is provided 'as is' with no explicit or implied warranties - * in respect of its properties, including, but not limited to, correctness - * and/or fitness for purpose. - * --------------------------------------------------------------------------- - */ - -/* Some changes from the Gladman version: - s/RIJNDAEL(e_key)/E_KEY/g - s/RIJNDAEL(d_key)/D_KEY/g -*/ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <asm/byteorder.h> - -#define AES_MIN_KEY_SIZE 16 -#define AES_MAX_KEY_SIZE 32 - -#define AES_BLOCK_SIZE 16 - -static inline -u32 generic_rotr32 (const u32 x, const unsigned bits) -{ - const unsigned n = bits % 32; - return (x >> n) | (x << (32 - n)); -} - -static inline -u32 generic_rotl32 (const u32 x, const unsigned bits) -{ - const unsigned n = bits % 32; - return (x << n) | (x >> (32 - n)); -} - -#define rotl generic_rotl32 -#define rotr generic_rotr32 - -/* - * #define byte(x, nr) ((unsigned char)((x) >> (nr*8))) - */ -inline static u8 -byte(const u32 x, const unsigned n) -{ - return x >> (n << 3); -} - -#define u32_in(x) le32_to_cpu(*(const u32 *)(x)) -#define u32_out(to, from) (*(u32 *)(to) = cpu_to_le32(from)) - -struct aes_ctx { - int key_length; - u32 E[60]; - u32 D[60]; -}; - -#define E_KEY ctx->E -#define D_KEY ctx->D - -static u8 pow_tab[256] __initdata; -static u8 log_tab[256] __initdata; -static u8 sbx_tab[256] __initdata; -static u8 isb_tab[256] __initdata; -static u32 rco_tab[10]; -static u32 ft_tab[4][256]; -static u32 it_tab[4][256]; - -static u32 fl_tab[4][256]; -static u32 il_tab[4][256]; - -static inline u8 __init -f_mult (u8 a, u8 b) -{ - u8 aa = log_tab[a], cc = aa + log_tab[b]; - - return pow_tab[cc + (cc < aa ? 1 : 0)]; -} - -#define ff_mult(a,b) (a && b ? f_mult(a, b) : 0) - -#define f_rn(bo, bi, n, k) \ - bo[n] = ft_tab[0][byte(bi[n],0)] ^ \ - ft_tab[1][byte(bi[(n + 1) & 3],1)] ^ \ - ft_tab[2][byte(bi[(n + 2) & 3],2)] ^ \ - ft_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n) - -#define i_rn(bo, bi, n, k) \ - bo[n] = it_tab[0][byte(bi[n],0)] ^ \ - it_tab[1][byte(bi[(n + 3) & 3],1)] ^ \ - it_tab[2][byte(bi[(n + 2) & 3],2)] ^ \ - it_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n) - -#define ls_box(x) \ - ( fl_tab[0][byte(x, 0)] ^ \ - fl_tab[1][byte(x, 1)] ^ \ - fl_tab[2][byte(x, 2)] ^ \ - fl_tab[3][byte(x, 3)] ) - -#define f_rl(bo, bi, n, k) \ - bo[n] = fl_tab[0][byte(bi[n],0)] ^ \ - fl_tab[1][byte(bi[(n + 1) & 3],1)] ^ \ - fl_tab[2][byte(bi[(n + 2) & 3],2)] ^ \ - fl_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n) - -#define i_rl(bo, bi, n, k) \ - bo[n] = il_tab[0][byte(bi[n],0)] ^ \ - il_tab[1][byte(bi[(n + 3) & 3],1)] ^ \ - il_tab[2][byte(bi[(n + 2) & 3],2)] ^ \ - il_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n) - -static void __init -gen_tabs (void) -{ - u32 i, t; - u8 p, q; - - /* log and power tables for GF(2**8) finite field with - 0x011b as modular polynomial - the simplest primitive - root is 0x03, used here to generate the tables */ - - for (i = 0, p = 1; i < 256; ++i) { - pow_tab[i] = (u8) p; - log_tab[p] = (u8) i; - - p ^= (p << 1) ^ (p & 0x80 ? 0x01b : 0); - } - - log_tab[1] = 0; - - for (i = 0, p = 1; i < 10; ++i) { - rco_tab[i] = p; - - p = (p << 1) ^ (p & 0x80 ? 0x01b : 0); - } - - for (i = 0; i < 256; ++i) { - p = (i ? pow_tab[255 - log_tab[i]] : 0); - q = ((p >> 7) | (p << 1)) ^ ((p >> 6) | (p << 2)); - p ^= 0x63 ^ q ^ ((q >> 6) | (q << 2)); - sbx_tab[i] = p; - isb_tab[p] = (u8) i; - } - - for (i = 0; i < 256; ++i) { - p = sbx_tab[i]; - - t = p; - fl_tab[0][i] = t; - fl_tab[1][i] = rotl (t, 8); - fl_tab[2][i] = rotl (t, 16); - fl_tab[3][i] = rotl (t, 24); - - t = ((u32) ff_mult (2, p)) | - ((u32) p << 8) | - ((u32) p << 16) | ((u32) ff_mult (3, p) << 24); - - ft_tab[0][i] = t; - ft_tab[1][i] = rotl (t, 8); - ft_tab[2][i] = rotl (t, 16); - ft_tab[3][i] = rotl (t, 24); - - p = isb_tab[i]; - - t = p; - il_tab[0][i] = t; - il_tab[1][i] = rotl (t, 8); - il_tab[2][i] = rotl (t, 16); - il_tab[3][i] = rotl (t, 24); - - t = ((u32) ff_mult (14, p)) | - ((u32) ff_mult (9, p) << 8) | - ((u32) ff_mult (13, p) << 16) | - ((u32) ff_mult (11, p) << 24); - - it_tab[0][i] = t; - it_tab[1][i] = rotl (t, 8); - it_tab[2][i] = rotl (t, 16); - it_tab[3][i] = rotl (t, 24); - } -} - -#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b) - -#define imix_col(y,x) \ - u = star_x(x); \ - v = star_x(u); \ - w = star_x(v); \ - t = w ^ (x); \ - (y) = u ^ v ^ w; \ - (y) ^= rotr(u ^ t, 8) ^ \ - rotr(v ^ t, 16) ^ \ - rotr(t,24) - -/* initialise the key schedule from the user supplied key */ - -#define loop4(i) \ -{ t = rotr(t, 8); t = ls_box(t) ^ rco_tab[i]; \ - t ^= E_KEY[4 * i]; E_KEY[4 * i + 4] = t; \ - t ^= E_KEY[4 * i + 1]; E_KEY[4 * i + 5] = t; \ - t ^= E_KEY[4 * i + 2]; E_KEY[4 * i + 6] = t; \ - t ^= E_KEY[4 * i + 3]; E_KEY[4 * i + 7] = t; \ -} - -#define loop6(i) \ -{ t = rotr(t, 8); t = ls_box(t) ^ rco_tab[i]; \ - t ^= E_KEY[6 * i]; E_KEY[6 * i + 6] = t; \ - t ^= E_KEY[6 * i + 1]; E_KEY[6 * i + 7] = t; \ - t ^= E_KEY[6 * i + 2]; E_KEY[6 * i + 8] = t; \ - t ^= E_KEY[6 * i + 3]; E_KEY[6 * i + 9] = t; \ - t ^= E_KEY[6 * i + 4]; E_KEY[6 * i + 10] = t; \ - t ^= E_KEY[6 * i + 5]; E_KEY[6 * i + 11] = t; \ -} - -#define loop8(i) \ -{ t = rotr(t, 8); ; t = ls_box(t) ^ rco_tab[i]; \ - t ^= E_KEY[8 * i]; E_KEY[8 * i + 8] = t; \ - t ^= E_KEY[8 * i + 1]; E_KEY[8 * i + 9] = t; \ - t ^= E_KEY[8 * i + 2]; E_KEY[8 * i + 10] = t; \ - t ^= E_KEY[8 * i + 3]; E_KEY[8 * i + 11] = t; \ - t = E_KEY[8 * i + 4] ^ ls_box(t); \ - E_KEY[8 * i + 12] = t; \ - t ^= E_KEY[8 * i + 5]; E_KEY[8 * i + 13] = t; \ - t ^= E_KEY[8 * i + 6]; E_KEY[8 * i + 14] = t; \ - t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \ -} - -static int -aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) -{ - struct aes_ctx *ctx = ctx_arg; - u32 i, t, u, v, w; - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - ctx->key_length = key_len; - - E_KEY[0] = u32_in (in_key); - E_KEY[1] = u32_in (in_key + 4); - E_KEY[2] = u32_in (in_key + 8); - E_KEY[3] = u32_in (in_key + 12); - - switch (key_len) { - case 16: - t = E_KEY[3]; - for (i = 0; i < 10; ++i) - loop4 (i); - break; - - case 24: - E_KEY[4] = u32_in (in_key + 16); - t = E_KEY[5] = u32_in (in_key + 20); - for (i = 0; i < 8; ++i) - loop6 (i); - break; - - case 32: - E_KEY[4] = u32_in (in_key + 16); - E_KEY[5] = u32_in (in_key + 20); - E_KEY[6] = u32_in (in_key + 24); - t = E_KEY[7] = u32_in (in_key + 28); - for (i = 0; i < 7; ++i) - loop8 (i); - break; - } - - D_KEY[0] = E_KEY[0]; - D_KEY[1] = E_KEY[1]; - D_KEY[2] = E_KEY[2]; - D_KEY[3] = E_KEY[3]; - - for (i = 4; i < key_len + 24; ++i) { - imix_col (D_KEY[i], E_KEY[i]); - } - - return 0; -} - -/* encrypt a block of text */ - -#define f_nround(bo, bi, k) \ - f_rn(bo, bi, 0, k); \ - f_rn(bo, bi, 1, k); \ - f_rn(bo, bi, 2, k); \ - f_rn(bo, bi, 3, k); \ - k += 4 - -#define f_lround(bo, bi, k) \ - f_rl(bo, bi, 0, k); \ - f_rl(bo, bi, 1, k); \ - f_rl(bo, bi, 2, k); \ - f_rl(bo, bi, 3, k) - -static void aes_encrypt(void *ctx_arg, u8 *out, const u8 *in) -{ - const struct aes_ctx *ctx = ctx_arg; - u32 b0[4], b1[4]; - const u32 *kp = E_KEY + 4; - - b0[0] = u32_in (in) ^ E_KEY[0]; - b0[1] = u32_in (in + 4) ^ E_KEY[1]; - b0[2] = u32_in (in + 8) ^ E_KEY[2]; - b0[3] = u32_in (in + 12) ^ E_KEY[3]; - - if (ctx->key_length > 24) { - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - } - - if (ctx->key_length > 16) { - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - } - - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - f_nround (b1, b0, kp); - f_nround (b0, b1, kp); - f_nround (b1, b0, kp); - f_lround (b0, b1, kp); - - u32_out (out, b0[0]); - u32_out (out + 4, b0[1]); - u32_out (out + 8, b0[2]); - u32_out (out + 12, b0[3]); -} - -/* decrypt a block of text */ - -#define i_nround(bo, bi, k) \ - i_rn(bo, bi, 0, k); \ - i_rn(bo, bi, 1, k); \ - i_rn(bo, bi, 2, k); \ - i_rn(bo, bi, 3, k); \ - k -= 4 - -#define i_lround(bo, bi, k) \ - i_rl(bo, bi, 0, k); \ - i_rl(bo, bi, 1, k); \ - i_rl(bo, bi, 2, k); \ - i_rl(bo, bi, 3, k) - -static void aes_decrypt(void *ctx_arg, u8 *out, const u8 *in) -{ - const struct aes_ctx *ctx = ctx_arg; - u32 b0[4], b1[4]; - const int key_len = ctx->key_length; - const u32 *kp = D_KEY + key_len + 20; - - b0[0] = u32_in (in) ^ E_KEY[key_len + 24]; - b0[1] = u32_in (in + 4) ^ E_KEY[key_len + 25]; - b0[2] = u32_in (in + 8) ^ E_KEY[key_len + 26]; - b0[3] = u32_in (in + 12) ^ E_KEY[key_len + 27]; - - if (key_len > 24) { - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - } - - if (key_len > 16) { - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - } - - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - i_nround (b1, b0, kp); - i_nround (b0, b1, kp); - i_nround (b1, b0, kp); - i_lround (b0, b1, kp); - - u32_out (out, b0[0]); - u32_out (out + 4, b0[1]); - u32_out (out + 8, b0[2]); - u32_out (out + 12, b0[3]); -} - - -static struct crypto_alg aes_alg = { - .cra_name = "aes", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt - } - } -}; - -static int __init aes_init(void) -{ - gen_tabs(); - return crypto_register_alg(&aes_alg); -} - -static void __exit aes_fini(void) -{ - crypto_unregister_alg(&aes_alg); -} - -module_init(aes_init); -module_exit(aes_fini); - -MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); -MODULE_LICENSE("Dual BSD/GPL"); - diff --git a/drivers/staging/rtl8187se/ieee80211/api.c b/drivers/staging/rtl8187se/ieee80211/api.c deleted file mode 100644 index c627d02..0000000 --- a/drivers/staging/rtl8187se/ieee80211/api.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Scatterlist Cryptographic API. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * Copyright (c) 2002 David S. Miller (davem@redhat.com) - * - * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> - * and Nettle, by Niels Mé°ˆler. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include "kmap_types.h" - -#include <linux/init.h> -#include <linux/module.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/errno.h> -#include <linux/rwsem.h> -#include <linux/slab.h> -#include "internal.h" - -LIST_HEAD(crypto_alg_list); -DECLARE_RWSEM(crypto_alg_sem); - -static inline int crypto_alg_get(struct crypto_alg *alg) -{ - return try_inc_mod_count(alg->cra_module); -} - -static inline void crypto_alg_put(struct crypto_alg *alg) -{ - if (alg->cra_module) - __MOD_DEC_USE_COUNT(alg->cra_module); -} - -struct crypto_alg *crypto_alg_lookup(const char *name) -{ - struct crypto_alg *q, *alg = NULL; - - if (!name) - return NULL; - - down_read(&crypto_alg_sem); - - list_for_each_entry(q, &crypto_alg_list, cra_list) { - if (!(strcmp(q->cra_name, name))) { - if (crypto_alg_get(q)) - alg = q; - break; - } - } - - up_read(&crypto_alg_sem); - return alg; -} - -static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags) -{ - tfm->crt_flags = 0; - - switch (crypto_tfm_alg_type(tfm)) { - case CRYPTO_ALG_TYPE_CIPHER: - return crypto_init_cipher_flags(tfm, flags); - - case CRYPTO_ALG_TYPE_DIGEST: - return crypto_init_digest_flags(tfm, flags); - - case CRYPTO_ALG_TYPE_COMPRESS: - return crypto_init_compress_flags(tfm, flags); - - default: - break; - } - - BUG(); - return -EINVAL; -} - -static int crypto_init_ops(struct crypto_tfm *tfm) -{ - switch (crypto_tfm_alg_type(tfm)) { - case CRYPTO_ALG_TYPE_CIPHER: - return crypto_init_cipher_ops(tfm); - - case CRYPTO_ALG_TYPE_DIGEST: - return crypto_init_digest_ops(tfm); - - case CRYPTO_ALG_TYPE_COMPRESS: - return crypto_init_compress_ops(tfm); - - default: - break; - } - - BUG(); - return -EINVAL; -} - -static void crypto_exit_ops(struct crypto_tfm *tfm) -{ - switch (crypto_tfm_alg_type(tfm)) { - case CRYPTO_ALG_TYPE_CIPHER: - crypto_exit_cipher_ops(tfm); - break; - - case CRYPTO_ALG_TYPE_DIGEST: - crypto_exit_digest_ops(tfm); - break; - - case CRYPTO_ALG_TYPE_COMPRESS: - crypto_exit_compress_ops(tfm); - break; - - default: - BUG(); - - } -} - -struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags) -{ - struct crypto_tfm *tfm = NULL; - struct crypto_alg *alg; - - alg = crypto_alg_mod_lookup(name); - if (alg == NULL) - goto out; - - tfm = kmalloc(sizeof(*tfm) + alg->cra_ctxsize, GFP_KERNEL); - if (tfm == NULL) - goto out_put; - - memset(tfm, 0, sizeof(*tfm) + alg->cra_ctxsize); - - tfm->__crt_alg = alg; - - if (crypto_init_flags(tfm, flags)) - goto out_free_tfm; - - if (crypto_init_ops(tfm)) { - crypto_exit_ops(tfm); - goto out_free_tfm; - } - - goto out; - -out_free_tfm: - kfree(tfm); - tfm = NULL; -out_put: - crypto_alg_put(alg); -out: - return tfm; -} - -void crypto_free_tfm(struct crypto_tfm *tfm) -{ - struct crypto_alg *alg = tfm->__crt_alg; - int size = sizeof(*tfm) + alg->cra_ctxsize; - - crypto_exit_ops(tfm); - crypto_alg_put(alg); - memset(tfm, 0, size); - kfree(tfm); -} - -int crypto_register_alg(struct crypto_alg *alg) -{ - int ret = 0; - struct crypto_alg *q; - - down_write(&crypto_alg_sem); - - list_for_each_entry(q, &crypto_alg_list, cra_list) { - if (!(strcmp(q->cra_name, alg->cra_name))) { - ret = -EEXIST; - goto out; - } - } - - list_add_tail(&alg->cra_list, &crypto_alg_list); -out: - up_write(&crypto_alg_sem); - return ret; -} - -int crypto_unregister_alg(struct crypto_alg *alg) -{ - int ret = -ENOENT; - struct crypto_alg *q; - - BUG_ON(!alg->cra_module); - - down_write(&crypto_alg_sem); - list_for_each_entry(q, &crypto_alg_list, cra_list) { - if (alg == q) { - list_del(&alg->cra_list); - ret = 0; - goto out; - } - } -out: - up_write(&crypto_alg_sem); - return ret; -} - -int crypto_alg_available(const char *name, u32 flags) -{ - int ret = 0; - struct crypto_alg *alg = crypto_alg_mod_lookup(name); - - if (alg) { - crypto_alg_put(alg); - ret = 1; - } - - return ret; -} - -static int __init init_crypto(void) -{ - printk(KERN_INFO "Initializing Cryptographic API\n"); - crypto_init_proc(); - return 0; -} - -__initcall(init_crypto); - -/* -EXPORT_SYMBOL_GPL(crypto_register_alg); -EXPORT_SYMBOL_GPL(crypto_unregister_alg); -EXPORT_SYMBOL_GPL(crypto_alloc_tfm); -EXPORT_SYMBOL_GPL(crypto_free_tfm); -EXPORT_SYMBOL_GPL(crypto_alg_available); -*/ - -EXPORT_SYMBOL_NOVERS(crypto_register_alg); -EXPORT_SYMBOL_NOVERS(crypto_unregister_alg); -EXPORT_SYMBOL_NOVERS(crypto_alloc_tfm); -EXPORT_SYMBOL_NOVERS(crypto_free_tfm); -EXPORT_SYMBOL_NOVERS(crypto_alg_available); diff --git a/drivers/staging/rtl8187se/ieee80211/arc4.c b/drivers/staging/rtl8187se/ieee80211/arc4.c deleted file mode 100644 index 654f0e9..0000000 --- a/drivers/staging/rtl8187se/ieee80211/arc4.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Cryptographic API - * - * ARC4 Cipher Algorithm - * - * Jon Oberheide <jon@oberheide.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include "rtl_crypto.h" - -#define ARC4_MIN_KEY_SIZE 1 -#define ARC4_MAX_KEY_SIZE 256 -#define ARC4_BLOCK_SIZE 1 - -struct arc4_ctx { - u8 S[256]; - u8 x, y; -}; - -static int arc4_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags) -{ - struct arc4_ctx *ctx = ctx_arg; - int i, j = 0, k = 0; - - ctx->x = 1; - ctx->y = 0; - - for(i = 0; i < 256; i++) - ctx->S[i] = i; - - for(i = 0; i < 256; i++) - { - u8 a = ctx->S[i]; - j = (j + in_key[k] + a) & 0xff; - ctx->S[i] = ctx->S[j]; - ctx->S[j] = a; - if(++k >= key_len) - k = 0; - } - - return 0; -} - -static void arc4_crypt(void *ctx_arg, u8 *out, const u8 *in) -{ - struct arc4_ctx *ctx = ctx_arg; - - u8 *const S = ctx->S; - u8 x = ctx->x; - u8 y = ctx->y; - u8 a, b; - - a = S[x]; - y = (y + a) & 0xff; - b = S[y]; - S[x] = b; - S[y] = a; - x = (x + 1) & 0xff; - *out++ = *in ^ S[(a + b) & 0xff]; - - ctx->x = x; - ctx->y = y; -} - -static struct crypto_alg arc4_alg = { - .cra_name = "arc4", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = ARC4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct arc4_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(arc4_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = ARC4_MIN_KEY_SIZE, - .cia_max_keysize = ARC4_MAX_KEY_SIZE, - .cia_setkey = arc4_set_key, - .cia_encrypt = arc4_crypt, - .cia_decrypt = arc4_crypt } } -}; - -static int __init arc4_init(void) -{ - return crypto_register_alg(&arc4_alg); -} - - -static void __exit arc4_exit(void) -{ - crypto_unregister_alg(&arc4_alg); -} - -module_init(arc4_init); -module_exit(arc4_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("ARC4 Cipher Algorithm"); -MODULE_AUTHOR("Jon Oberheide <jon@oberheide.org>"); diff --git a/drivers/staging/rtl8187se/ieee80211/autoload.c b/drivers/staging/rtl8187se/ieee80211/autoload.c deleted file mode 100644 index c97756f..0000000 --- a/drivers/staging/rtl8187se/ieee80211/autoload.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Cryptographic API. - * - * Algorithm autoloader. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include "kmap_types.h" - -#include <linux/kernel.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/string.h> -#include <linux/kmod.h> -#include "internal.h" - -/* - * A far more intelligent version of this is planned. For now, just - * try an exact match on the name of the algorithm. - */ -void crypto_alg_autoload(const char *name) -{ - request_module(name); -} - -struct crypto_alg *crypto_alg_mod_lookup(const char *name) -{ - struct crypto_alg *alg = crypto_alg_lookup(name); - if (alg == NULL) { - crypto_alg_autoload(name); - alg = crypto_alg_lookup(name); - } - return alg; -} diff --git a/drivers/staging/rtl8187se/ieee80211/cipher.c b/drivers/staging/rtl8187se/ieee80211/cipher.c deleted file mode 100644 index 1968acf..0000000 --- a/drivers/staging/rtl8187se/ieee80211/cipher.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * Cryptographic API. - * - * Cipher operations. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <linux/kernel.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/errno.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <asm/scatterlist.h> -#include "internal.h" -#include "scatterwalk.h" - -typedef void (cryptfn_t)(void *, u8 *, const u8 *); -typedef void (procfn_t)(struct crypto_tfm *, u8 *, - u8*, cryptfn_t, int enc, void *, int); - -static inline void xor_64(u8 *a, const u8 *b) -{ - ((u32 *)a)[0] ^= ((u32 *)b)[0]; - ((u32 *)a)[1] ^= ((u32 *)b)[1]; -} - -static inline void xor_128(u8 *a, const u8 *b) -{ - ((u32 *)a)[0] ^= ((u32 *)b)[0]; - ((u32 *)a)[1] ^= ((u32 *)b)[1]; - ((u32 *)a)[2] ^= ((u32 *)b)[2]; - ((u32 *)a)[3] ^= ((u32 *)b)[3]; -} - - -/* - * Generic encrypt/decrypt wrapper for ciphers, handles operations across - * multiple page boundaries by using temporary blocks. In user context, - * the kernel is given a chance to schedule us once per block. - */ -static int crypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes, cryptfn_t crfn, - procfn_t prfn, int enc, void *info) -{ - struct scatter_walk walk_in, walk_out; - const unsigned int bsize = crypto_tfm_alg_blocksize(tfm); - u8 tmp_src[bsize]; - u8 tmp_dst[bsize]; - - if (!nbytes) - return 0; - - if (nbytes % bsize) { - tfm->crt_flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; - return -EINVAL; - } - - scatterwalk_start(&walk_in, src); - scatterwalk_start(&walk_out, dst); - - for(;;) { - u8 *src_p, *dst_p; - int in_place; - - scatterwalk_map(&walk_in, 0); - scatterwalk_map(&walk_out, 1); - src_p = scatterwalk_whichbuf(&walk_in, bsize, tmp_src); - dst_p = scatterwalk_whichbuf(&walk_out, bsize, tmp_dst); - in_place = scatterwalk_samebuf(&walk_in, &walk_out, - src_p, dst_p); - - nbytes -= bsize; - - scatterwalk_copychunks(src_p, &walk_in, bsize, 0); - - prfn(tfm, dst_p, src_p, crfn, enc, info, in_place); - - scatterwalk_done(&walk_in, 0, nbytes); - - scatterwalk_copychunks(dst_p, &walk_out, bsize, 1); - scatterwalk_done(&walk_out, 1, nbytes); - - if (!nbytes) - return 0; - - crypto_yield(tfm); - } -} - -static void cbc_process(struct crypto_tfm *tfm, u8 *dst, u8 *src, - cryptfn_t fn, int enc, void *info, int in_place) -{ - u8 *iv = info; - - /* Null encryption */ - if (!iv) - return; - - if (enc) { - tfm->crt_u.cipher.cit_xor_block(iv, src); - fn(crypto_tfm_ctx(tfm), dst, iv); - memcpy(iv, dst, crypto_tfm_alg_blocksize(tfm)); - } else { - u8 stack[in_place ? crypto_tfm_alg_blocksize(tfm) : 0]; - u8 *buf = in_place ? stack : dst; - - fn(crypto_tfm_ctx(tfm), buf, src); - tfm->crt_u.cipher.cit_xor_block(buf, iv); - memcpy(iv, src, crypto_tfm_alg_blocksize(tfm)); - if (buf != dst) - memcpy(dst, buf, crypto_tfm_alg_blocksize(tfm)); - } -} - -static void ecb_process(struct crypto_tfm *tfm, u8 *dst, u8 *src, - cryptfn_t fn, int enc, void *info, int in_place) -{ - fn(crypto_tfm_ctx(tfm), dst, src); -} - -static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; - - if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) { - tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } else - return cia->cia_setkey(crypto_tfm_ctx(tfm), key, keylen, - &tfm->crt_flags); -} - -static int ecb_encrypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_encrypt, - ecb_process, 1, NULL); -} - -static int ecb_decrypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_decrypt, - ecb_process, 1, NULL); -} - -static int cbc_encrypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_encrypt, - cbc_process, 1, tfm->crt_cipher.cit_iv); -} - -static int cbc_encrypt_iv(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes, u8 *iv) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_encrypt, - cbc_process, 1, iv); -} - -static int cbc_decrypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_decrypt, - cbc_process, 0, tfm->crt_cipher.cit_iv); -} - -static int cbc_decrypt_iv(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes, u8 *iv) -{ - return crypt(tfm, dst, src, nbytes, - tfm->__crt_alg->cra_cipher.cia_decrypt, - cbc_process, 0, iv); -} - -static int nocrypt(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes) -{ - return -ENOSYS; -} - -static int nocrypt_iv(struct crypto_tfm *tfm, - struct scatterlist *dst, - struct scatterlist *src, - unsigned int nbytes, u8 *iv) -{ - return -ENOSYS; -} - -int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags) -{ - u32 mode = flags & CRYPTO_TFM_MODE_MASK; - - tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB; - if (flags & CRYPTO_TFM_REQ_WEAK_KEY) - tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY; - - return 0; -} - -int crypto_init_cipher_ops(struct crypto_tfm *tfm) -{ - int ret = 0; - struct cipher_tfm *ops = &tfm->crt_cipher; - - ops->cit_setkey = setkey; - - switch (tfm->crt_cipher.cit_mode) { - case CRYPTO_TFM_MODE_ECB: - ops->cit_encrypt = ecb_encrypt; - ops->cit_decrypt = ecb_decrypt; - break; - - case CRYPTO_TFM_MODE_CBC: - ops->cit_encrypt = cbc_encrypt; - ops->cit_decrypt = cbc_decrypt; - ops->cit_encrypt_iv = cbc_encrypt_iv; - ops->cit_decrypt_iv = cbc_decrypt_iv; - break; - - case CRYPTO_TFM_MODE_CFB: - ops->cit_encrypt = nocrypt; - ops->cit_decrypt = nocrypt; - ops->cit_encrypt_iv = nocrypt_iv; - ops->cit_decrypt_iv = nocrypt_iv; - break; - - case CRYPTO_TFM_MODE_CTR: - ops->cit_encrypt = nocrypt; - ops->cit_decrypt = nocrypt; - ops->cit_encrypt_iv = nocrypt_iv; - ops->cit_decrypt_iv = nocrypt_iv; - break; - - default: - BUG(); - } - - if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) { - - switch (crypto_tfm_alg_blocksize(tfm)) { - case 8: - ops->cit_xor_block = xor_64; - break; - - case 16: - ops->cit_xor_block = xor_128; - break; - - default: - printk(KERN_WARNING "%s: block size %u not supported\n", - crypto_tfm_alg_name(tfm), - crypto_tfm_alg_blocksize(tfm)); - ret = -EINVAL; - goto out; - } - - ops->cit_ivsize = crypto_tfm_alg_blocksize(tfm); - ops->cit_iv = kmalloc(ops->cit_ivsize, GFP_KERNEL); - if (ops->cit_iv == NULL) - ret = -ENOMEM; - } - -out: - return ret; -} - -void crypto_exit_cipher_ops(struct crypto_tfm *tfm) -{ - if (tfm->crt_cipher.cit_iv) - kfree(tfm->crt_cipher.cit_iv); -} diff --git a/drivers/staging/rtl8187se/ieee80211/compress.c b/drivers/staging/rtl8187se/ieee80211/compress.c deleted file mode 100644 index c2df80e..0000000 --- a/drivers/staging/rtl8187se/ieee80211/compress.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Cryptographic API. - * - * Compression operations. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <linux/types.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/errno.h> -#include <asm/scatterlist.h> -#include <linux/string.h> -#include "internal.h" - -static int crypto_compress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - return tfm->__crt_alg->cra_compress.coa_compress(crypto_tfm_ctx(tfm), - src, slen, dst, - dlen); -} - -static int crypto_decompress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - return tfm->__crt_alg->cra_compress.coa_decompress(crypto_tfm_ctx(tfm), - src, slen, dst, - dlen); -} - -int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags) -{ - return flags ? -EINVAL : 0; -} - -int crypto_init_compress_ops(struct crypto_tfm *tfm) -{ - int ret = 0; - struct compress_tfm *ops = &tfm->crt_compress; - - ret = tfm->__crt_alg->cra_compress.coa_init(crypto_tfm_ctx(tfm)); - if (ret) - goto out; - - ops->cot_compress = crypto_compress; - ops->cot_decompress = crypto_decompress; - -out: - return ret; -} - -void crypto_exit_compress_ops(struct crypto_tfm *tfm) -{ - tfm->__crt_alg->cra_compress.coa_exit(crypto_tfm_ctx(tfm)); -} diff --git a/drivers/staging/rtl8187se/ieee80211/digest.c b/drivers/staging/rtl8187se/ieee80211/digest.c deleted file mode 100644 index 1a95f2d..0000000 --- a/drivers/staging/rtl8187se/ieee80211/digest.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Cryptographic API. - * - * Digest operations. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/mm.h> -#include <linux/errno.h> -#include <linux/highmem.h> -#include <asm/scatterlist.h> -#include "internal.h" - -static void init(struct crypto_tfm *tfm) -{ - tfm->__crt_alg->cra_digest.dia_init(crypto_tfm_ctx(tfm)); -} - -static void update(struct crypto_tfm *tfm, - struct scatterlist *sg, unsigned int nsg) -{ - unsigned int i; - - for (i = 0; i < nsg; i++) { - - struct page *pg = sg[i].page; - unsigned int offset = sg[i].offset; - unsigned int l = sg[i].length; - - do { - unsigned int bytes_from_page = min(l, ((unsigned int) - (PAGE_SIZE)) - - offset); - char *p = crypto_kmap(pg, 0) + offset; - - tfm->__crt_alg->cra_digest.dia_update - (crypto_tfm_ctx(tfm), p, - bytes_from_page); - crypto_kunmap(p, 0); - crypto_yield(tfm); - offset = 0; - pg++; - l -= bytes_from_page; - } while (l > 0); - } -} - -static void final(struct crypto_tfm *tfm, u8 *out) -{ - tfm->__crt_alg->cra_digest.dia_final(crypto_tfm_ctx(tfm), out); -} - -static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - u32 flags; - if (tfm->__crt_alg->cra_digest.dia_setkey == NULL) - return -ENOSYS; - return tfm->__crt_alg->cra_digest.dia_setkey(crypto_tfm_ctx(tfm), - key, keylen, &flags); -} - -static void digest(struct crypto_tfm *tfm, - struct scatterlist *sg, unsigned int nsg, u8 *out) -{ - unsigned int i; - - tfm->crt_digest.dit_init(tfm); - - for (i = 0; i < nsg; i++) { - char *p = crypto_kmap(sg[i].page, 0) + sg[i].offset; - tfm->__crt_alg->cra_digest.dia_update(crypto_tfm_ctx(tfm), - p, sg[i].length); - crypto_kunmap(p, 0); - crypto_yield(tfm); - } - crypto_digest_final(tfm, out); -} - -int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags) -{ - return flags ? -EINVAL : 0; -} - -int crypto_init_digest_ops(struct crypto_tfm *tfm) -{ - struct digest_tfm *ops = &tfm->crt_digest; - - ops->dit_init = init; - ops->dit_update = update; - ops->dit_final = final; - ops->dit_digest = digest; - ops->dit_setkey = setkey; - - return crypto_alloc_hmac_block(tfm); -} - -void crypto_exit_digest_ops(struct crypto_tfm *tfm) -{ - crypto_free_hmac_block(tfm); -} diff --git a/drivers/staging/rtl8187se/ieee80211/kmap_types.h b/drivers/staging/rtl8187se/ieee80211/kmap_types.h deleted file mode 100644 index de67bb0..0000000 --- a/drivers/staging/rtl8187se/ieee80211/kmap_types.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef __KMAP_TYPES_H - -#define __KMAP_TYPES_H - - -enum km_type { - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BH_IRQ, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR -}; - -#define _ASM_KMAP_TYPES_H - -#endif diff --git a/drivers/staging/rtl8187se/ieee80211/michael_mic.c b/drivers/staging/rtl8187se/ieee80211/michael_mic.c deleted file mode 100644 index df256e4..0000000 --- a/drivers/staging/rtl8187se/ieee80211/michael_mic.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Cryptographic API - * - * Michael MIC (IEEE 802.11i/TKIP) keyed digest - * - * Copyright (c) 2004 Jouni Malinen <jkmaline@cc.hut.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" - - -struct michael_mic_ctx { - u8 pending[4]; - size_t pending_len; - - u32 l, r; -}; - - -static inline u32 rotl(u32 val, int bits) -{ - return (val << bits) | (val >> (32 - bits)); -} - - -static inline u32 rotr(u32 val, int bits) -{ - return (val >> bits) | (val << (32 - bits)); -} - - -static inline u32 xswap(u32 val) -{ - return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8); -} - - -#define michael_block(l, r) \ -do { \ - r ^= rotl(l, 17); \ - l += r; \ - r ^= xswap(l); \ - l += r; \ - r ^= rotl(l, 3); \ - l += r; \ - r ^= rotr(l, 2); \ - l += r; \ -} while (0) - - -static inline u32 get_le32(const u8 *p) -{ - return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); -} - - -static inline void put_le32(u8 *p, u32 v) -{ - p[0] = v; - p[1] = v >> 8; - p[2] = v >> 16; - p[3] = v >> 24; -} - - -static void michael_init(void *ctx) -{ - struct michael_mic_ctx *mctx = ctx; - mctx->pending_len = 0; -} - - -static void michael_update(void *ctx, const u8 *data, unsigned int len) -{ - struct michael_mic_ctx *mctx = ctx; - - if (mctx->pending_len) { - int flen = 4 - mctx->pending_len; - if (flen > len) - flen = len; - memcpy(&mctx->pending[mctx->pending_len], data, flen); - mctx->pending_len += flen; - data += flen; - len -= flen; - - if (mctx->pending_len < 4) - return; - - mctx->l ^= get_le32(mctx->pending); - michael_block(mctx->l, mctx->r); - mctx->pending_len = 0; - } - - while (len >= 4) { - mctx->l ^= get_le32(data); - michael_block(mctx->l, mctx->r); - data += 4; - len -= 4; - } - - if (len > 0) { - mctx->pending_len = len; - memcpy(mctx->pending, data, len); - } -} - - -static void michael_final(void *ctx, u8 *out) -{ - struct michael_mic_ctx *mctx = ctx; - u8 *data = mctx->pending; - - /* Last block and padding (0x5a, 4..7 x 0) */ - switch (mctx->pending_len) { - case 0: - mctx->l ^= 0x5a; - break; - case 1: - mctx->l ^= data[0] | 0x5a00; - break; - case 2: - mctx->l ^= data[0] | (data[1] << 8) | 0x5a0000; - break; - case 3: - mctx->l ^= data[0] | (data[1] << 8) | (data[2] << 16) | - 0x5a000000; - break; - } - michael_block(mctx->l, mctx->r); - /* l ^= 0; */ - michael_block(mctx->l, mctx->r); - - put_le32(out, mctx->l); - put_le32(out + 4, mctx->r); -} - - -static int michael_setkey(void *ctx, const u8 *key, unsigned int keylen, - u32 *flags) -{ - struct michael_mic_ctx *mctx = ctx; - if (keylen != 8) { - if (flags) - *flags = CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - mctx->l = get_le32(key); - mctx->r = get_le32(key + 4); - return 0; -} - - -static struct crypto_alg michael_mic_alg = { - .cra_name = "michael_mic", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = 8, - .cra_ctxsize = sizeof(struct michael_mic_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(michael_mic_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = 8, - .dia_init = michael_init, - .dia_update = michael_update, - .dia_final = michael_final, - .dia_setkey = michael_setkey } } -}; - - -static int __init michael_mic_init(void) -{ - return crypto_register_alg(&michael_mic_alg); -} - - -static void __exit michael_mic_exit(void) -{ - crypto_unregister_alg(&michael_mic_alg); -} - - -module_init(michael_mic_init); -module_exit(michael_mic_exit); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("Michael MIC"); -MODULE_AUTHOR("Jouni Malinen <jkmaline@cc.hut.fi>"); diff --git a/drivers/staging/rtl8187se/ieee80211/proc.c b/drivers/staging/rtl8187se/ieee80211/proc.c deleted file mode 100644 index 4f3f9ed..0000000 --- a/drivers/staging/rtl8187se/ieee80211/proc.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Scatterlist Cryptographic API. - * - * Procfs information. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <linux/init.h> -//#include <linux/crypto.h> -#include "rtl_crypto.h" -#include <linux/rwsem.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include "internal.h" - -extern struct list_head crypto_alg_list; -extern struct rw_semaphore crypto_alg_sem; - -static void *c_start(struct seq_file *m, loff_t *pos) -{ - struct list_head *v; - loff_t n = *pos; - - down_read(&crypto_alg_sem); - list_for_each(v, &crypto_alg_list) - if (!n--) - return list_entry(v, struct crypto_alg, cra_list); - return NULL; -} - -static void *c_next(struct seq_file *m, void *p, loff_t *pos) -{ - struct list_head *v = p; - - (*pos)++; - v = v->next; - return (v == &crypto_alg_list) ? - NULL : list_entry(v, struct crypto_alg, cra_list); -} - -static void c_stop(struct seq_file *m, void *p) -{ - up_read(&crypto_alg_sem); -} - -static int c_show(struct seq_file *m, void *p) -{ - struct crypto_alg *alg = (struct crypto_alg *)p; - - seq_printf(m, "name : %s\n", alg->cra_name); - seq_printf(m, "module : %s\n", - (alg->cra_module ? - alg->cra_module->name : - "kernel")); - - switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) { - case CRYPTO_ALG_TYPE_CIPHER: - seq_printf(m, "type : cipher\n"); - seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); - seq_printf(m, "min keysize : %u\n", - alg->cra_cipher.cia_min_keysize); - seq_printf(m, "max keysize : %u\n", - alg->cra_cipher.cia_max_keysize); - break; - - case CRYPTO_ALG_TYPE_DIGEST: - seq_printf(m, "type : digest\n"); - seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); - seq_printf(m, "digestsize : %u\n", - alg->cra_digest.dia_digestsize); - break; - case CRYPTO_ALG_TYPE_COMPRESS: - seq_printf(m, "type : compression\n"); - break; - default: - seq_printf(m, "type : unknown\n"); - break; - } - - seq_putc(m, '\n'); - return 0; -} - -static struct seq_operations crypto_seq_ops = { - .start = c_start, - .next = c_next, - .stop = c_stop, - .show = c_show -}; - -static int crypto_info_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &crypto_seq_ops); -} - -static struct file_operations proc_crypto_ops = { - .open = crypto_info_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release -}; - -void __init crypto_init_proc(void) -{ - struct proc_dir_entry *proc; - - proc = create_proc_entry("crypto", 0, NULL); - if (proc) - proc->proc_fops = &proc_crypto_ops; -} diff --git a/drivers/staging/rtl8187se/ieee80211/scatterwalk.c b/drivers/staging/rtl8187se/ieee80211/scatterwalk.c deleted file mode 100644 index 49f401f..0000000 --- a/drivers/staging/rtl8187se/ieee80211/scatterwalk.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Cryptographic API. - * - * Cipher operations. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * 2002 Adam J. Richter <adam@yggdrasil.com> - * 2004 Jean-Luc Cooke <jlcooke@certainkey.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include "kmap_types.h" - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/pagemap.h> -#include <linux/highmem.h> -#include <asm/scatterlist.h> -#include "internal.h" -#include "scatterwalk.h" - -enum km_type crypto_km_types[] = { - KM_USER0, - KM_USER1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, -}; - -void *scatterwalk_whichbuf(struct scatter_walk *walk, unsigned int nbytes, void *scratch) -{ - if (nbytes <= walk->len_this_page && - (((unsigned long)walk->data) & (PAGE_CACHE_SIZE - 1)) + nbytes <= - PAGE_CACHE_SIZE) - return walk->data; - else - return scratch; -} - -static void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out) -{ - if (out) - memcpy(sgdata, buf, nbytes); - else - memcpy(buf, sgdata, nbytes); -} - -void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg) -{ - unsigned int rest_of_page; - - walk->sg = sg; - - walk->page = sg->page; - walk->len_this_segment = sg->length; - - rest_of_page = PAGE_CACHE_SIZE - (sg->offset & (PAGE_CACHE_SIZE - 1)); - walk->len_this_page = min(sg->length, rest_of_page); - walk->offset = sg->offset; -} - -void scatterwalk_map(struct scatter_walk *walk, int out) -{ - walk->data = crypto_kmap(walk->page, out) + walk->offset; -} - -static void scatterwalk_pagedone(struct scatter_walk *walk, int out, - unsigned int more) -{ - /* walk->data may be pointing the first byte of the next page; - however, we know we transfered at least one byte. So, - walk->data - 1 will be a virtual address in the mapped page. */ - - if (out) - flush_dcache_page(walk->page); - - if (more) { - walk->len_this_segment -= walk->len_this_page; - - if (walk->len_this_segment) { - walk->page++; - walk->len_this_page = min(walk->len_this_segment, - (unsigned)PAGE_CACHE_SIZE); - walk->offset = 0; - } - else - scatterwalk_start(walk, sg_next(walk->sg)); - } -} - -void scatterwalk_done(struct scatter_walk *walk, int out, int more) -{ - crypto_kunmap(walk->data, out); - if (walk->len_this_page == 0 || !more) - scatterwalk_pagedone(walk, out, more); -} - -/* - * Do not call this unless the total length of all of the fragments - * has been verified as multiple of the block size. - */ -int scatterwalk_copychunks(void *buf, struct scatter_walk *walk, - size_t nbytes, int out) -{ - if (buf != walk->data) { - while (nbytes > walk->len_this_page) { - memcpy_dir(buf, walk->data, walk->len_this_page, out); - buf += walk->len_this_page; - nbytes -= walk->len_this_page; - - crypto_kunmap(walk->data, out); - scatterwalk_pagedone(walk, out, 1); - scatterwalk_map(walk, out); - } - - memcpy_dir(buf, walk->data, nbytes, out); - } - - walk->offset += nbytes; - walk->len_this_page -= nbytes; - walk->len_this_segment -= nbytes; - return 0; -} diff --git a/drivers/staging/rtl8187se/ieee80211/scatterwalk.h b/drivers/staging/rtl8187se/ieee80211/scatterwalk.h deleted file mode 100644 index b164465..0000000 --- a/drivers/staging/rtl8187se/ieee80211/scatterwalk.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Cryptographic API. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * Copyright (c) 2002 Adam J. Richter <adam@yggdrasil.com> - * Copyright (c) 2004 Jean-Luc Cooke <jlcooke@certainkey.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ - -#ifndef _CRYPTO_SCATTERWALK_H -#define _CRYPTO_SCATTERWALK_H -#include <linux/mm.h> -#include <asm/scatterlist.h> - -struct scatter_walk { - struct scatterlist *sg; - struct page *page; - void *data; - unsigned int len_this_page; - unsigned int len_this_segment; - unsigned int offset; -}; - -/* Define sg_next is an inline routine now in case we want to change - scatterlist to a linked list later. */ -static inline struct scatterlist *sg_next(struct scatterlist *sg) -{ - return sg + 1; -} - -static inline int scatterwalk_samebuf(struct scatter_walk *walk_in, - struct scatter_walk *walk_out, - void *src_p, void *dst_p) -{ - return walk_in->page == walk_out->page && - walk_in->offset == walk_out->offset && - walk_in->data == src_p && walk_out->data == dst_p; -} - -void *scatterwalk_whichbuf(struct scatter_walk *walk, unsigned int nbytes, void *scratch); -void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg); -int scatterwalk_copychunks(void *buf, struct scatter_walk *walk, size_t nbytes, int out); -void scatterwalk_map(struct scatter_walk *walk, int out); -void scatterwalk_done(struct scatter_walk *walk, int out, int more); - -#endif /* _CRYPTO_SCATTERWALK_H */ |
