+++ /dev/null
-#ifndef __INC_ENDIANFREE_H
-#define __INC_ENDIANFREE_H
-
-/*
- * Call endian free function when
- * 1. Read/write packet content.
- * 2. Before write integer to IO.
- * 3. After read integer from IO.
- */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-#ifndef bool
-typedef enum{false = 0, true} bool;
-#endif
-#endif
-
-#define __MACHINE_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define __MACHINE_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */
-
-#define BYTE_ORDER __MACHINE_LITTLE_ENDIAN
-
-#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
-// Convert data
-#define EF1Byte(_val) ((u8)(_val))
-#define EF2Byte(_val) ((u16)(_val))
-#define EF4Byte(_val) ((u32)(_val))
-
-#else
-// Convert data
-#define EF1Byte(_val) ((u8)(_val))
-#define EF2Byte(_val) (((((u16)(_val))&0x00ff)<<8)|((((u16)(_val))&0xff00)>>8))
-#define EF4Byte(_val) (((((u32)(_val))&0x000000ff)<<24)|\
- ((((u32)(_val))&0x0000ff00)<<8)|\
- ((((u32)(_val))&0x00ff0000)>>8)|\
- ((((u32)(_val))&0xff000000)>>24))
-#endif
-
-// Read data from memory
-#define ReadEF1Byte(_ptr) EF1Byte(*((u8 *)(_ptr)))
-#define ReadEF2Byte(_ptr) EF2Byte(*((u16 *)(_ptr)))
-#define ReadEF4Byte(_ptr) EF4Byte(*((u32 *)(_ptr)))
-
-// Write data to memory
-#define WriteEF1Byte(_ptr, _val) (*((u8 *)(_ptr)))=EF1Byte(_val)
-#define WriteEF2Byte(_ptr, _val) (*((u16 *)(_ptr)))=EF2Byte(_val)
-#define WriteEF4Byte(_ptr, _val) (*((u32 *)(_ptr)))=EF4Byte(_val)
-// Convert Host system specific byte ording (litten or big endia) to Network byte ording (big endian).
-// 2006.05.07, by rcnjko.
-#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
-#define H2N1BYTE(_val) ((u8)(_val))
-#define H2N2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\
- ((((u16)(_val))&0xff00)>>8))
-#define H2N4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\
- ((((u32)(_val))&0x0000ff00)<<8) |\
- ((((u32)(_val))&0x00ff0000)>>8) |\
- ((((u32)(_val))&0xff000000)>>24))
-#else
-#define H2N1BYTE(_val) ((u8)(_val))
-#define H2N2BYTE(_val) ((u16)(_val))
-#define H2N4BYTE(_val) ((u32)(_val))
-#endif
-
-// Convert from Network byte ording (big endian) to Host system specific byte ording (litten or big endia).
-// 2006.05.07, by rcnjko.
-#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
-#define N2H1BYTE(_val) ((u8)(_val))
-#define N2H2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\
- ((((u16)(_val))&0xff00)>>8))
-#define N2H4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\
- ((((u32)(_val))&0x0000ff00)<<8) |\
- ((((u32)(_val))&0x00ff0000)>>8) |\
- ((((u32)(_val))&0xff000000)>>24))
-#else
-#define N2H1BYTE(_val) ((u8)(_val))
-#define N2H2BYTE(_val) ((u16)(_val))
-#define N2H4BYTE(_val) ((u32)(_val))
-#endif
-
-//
-// Example:
-// BIT_LEN_MASK_32(0) => 0x00000000
-// BIT_LEN_MASK_32(1) => 0x00000001
-// BIT_LEN_MASK_32(2) => 0x00000003
-// BIT_LEN_MASK_32(32) => 0xFFFFFFFF
-//
-#define BIT_LEN_MASK_32(__BitLen) (0xFFFFFFFF >> (32 - (__BitLen)))
-//
-// Example:
-// BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
-// BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
-//
-#define BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) (BIT_LEN_MASK_32(__BitLen) << (__BitOffset))
-
-//
-// Description:
-// Return 4-byte value in host byte ordering from
-// 4-byte pointer in litten-endian system.
-//
-#define LE_P4BYTE_TO_HOST_4BYTE(__pStart) (EF4Byte(*((u32 *)(__pStart))))
-
-//
-// Description:
-// Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to
-// 4-byte value in host byte ordering.
-//
-#define LE_BITS_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- ( LE_P4BYTE_TO_HOST_4BYTE(__pStart) >> (__BitOffset) ) \
- & \
- BIT_LEN_MASK_32(__BitLen) \
- )
-
-//
-// Description:
-// Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering
-// and return the result in 4-byte value in host byte ordering.
-//
-#define LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- LE_P4BYTE_TO_HOST_4BYTE(__pStart) \
- & \
- ( ~BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) ) \
- )
-
-//
-// Description:
-// Set subfield of little-endian 4-byte value to specified value.
-//
-#define SET_BITS_TO_LE_4BYTE(__pStart, __BitOffset, __BitLen, __Value) \
- *((u32 *)(__pStart)) = \
- EF4Byte( \
- LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
- | \
- ( (((u32)__Value) & BIT_LEN_MASK_32(__BitLen)) << (__BitOffset) ) \
- );
-
-
-#define BIT_LEN_MASK_16(__BitLen) \
- (0xFFFF >> (16 - (__BitLen)))
-
-#define BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) \
- (BIT_LEN_MASK_16(__BitLen) << (__BitOffset))
-
-#define LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
- (EF2Byte(*((u16 *)(__pStart))))
-
-#define LE_BITS_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- ( LE_P2BYTE_TO_HOST_2BYTE(__pStart) >> (__BitOffset) ) \
- & \
- BIT_LEN_MASK_16(__BitLen) \
- )
-
-#define LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
- & \
- ( ~BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) ) \
- )
-
-#define SET_BITS_TO_LE_2BYTE(__pStart, __BitOffset, __BitLen, __Value) \
- *((u16 *)(__pStart)) = \
- EF2Byte( \
- LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
- | \
- ( (((u16)__Value) & BIT_LEN_MASK_16(__BitLen)) << (__BitOffset) ) \
- );
-
-#define BIT_LEN_MASK_8(__BitLen) \
- (0xFF >> (8 - (__BitLen)))
-
-#define BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) \
- (BIT_LEN_MASK_8(__BitLen) << (__BitOffset))
-
-#define LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
- (EF1Byte(*((u8 *)(__pStart))))
-
-#define LE_BITS_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- ( LE_P1BYTE_TO_HOST_1BYTE(__pStart) >> (__BitOffset) ) \
- & \
- BIT_LEN_MASK_8(__BitLen) \
- )
-
-#define LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
- ( \
- LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
- & \
- ( ~BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) ) \
- )
-
-#define SET_BITS_TO_LE_1BYTE(__pStart, __BitOffset, __BitLen, __Value) \
- *((u8 *)(__pStart)) = \
- EF1Byte( \
- LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
- | \
- ( (((u8)__Value) & BIT_LEN_MASK_8(__BitLen)) << (__BitOffset) ) \
- );
-
-#endif // #ifndef __INC_ENDIANFREE_H
+++ /dev/null
-/*
- * 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");
-
+++ /dev/null
-/*
- * 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);
+++ /dev/null
-/*
- * 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((unsigned int)++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>");
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-/*
- * 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);
-}
+++ /dev/null
-/*
- * 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));
-}
+++ /dev/null
-/*
- * Header file to maintain compatibility among different kernel versions.
- *
- * Copyright (c) 2004-2006 <lawrence_wang@realsil.com.cn>
- *
- * 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. See README and COPYING for
- * more details.
- */
-
-#include <linux/crypto.h>
-
-static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
-}
-
-
-static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
-}
-
-#if 0
-/*
- * crypto_free_tfm - Free crypto transform
- * @tfm: Transform to free
- *
- * crypto_free_tfm() frees up the transform and any associated resources,
- * then drops the refcount on the associated algorithm.
- */
-void crypto_free_tfm(struct crypto_tfm *tfm)
-{
- struct crypto_alg *alg;
- int size;
-
- if (unlikely(!tfm))
- return;
-
- alg = tfm->__crt_alg;
- size = sizeof(*tfm) + alg->cra_ctxsize;
-
- if (alg->cra_exit)
- alg->cra_exit(tfm);
- crypto_exit_ops(tfm);
- crypto_mod_put(alg);
- memset(tfm, 0, size);
- kfree(tfm);
-}
-
-#endif
-#if 1
- struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
-{
- struct crypto_tfm *tfm = NULL;
- int err;
- printk("call crypto_alloc_tfm!!!\n");
- do {
- struct crypto_alg *alg;
-
- alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC);
- err = PTR_ERR(alg);
- if (IS_ERR(alg))
- continue;
-
- tfm = __crypto_alloc_tfm(alg, flags);
- err = 0;
- if (IS_ERR(tfm)) {
- crypto_mod_put(alg);
- err = PTR_ERR(tfm);
- tfm = NULL;
- }
- } while (err == -EAGAIN && !signal_pending(current));
-
- return tfm;
-}
-#endif
-//EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
-//EXPORT_SYMBOL_GPL(crypto_free_tfm);
-
-
+++ /dev/null
-/*
- * 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);
-}
+++ /dev/null
-/*
- * Cryptographic API.
- *
- * 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.
- *
- */
-#ifndef _CRYPTO_INTERNAL_H
-#define _CRYPTO_INTERNAL_H
-
-
-//#include <linux/crypto.h>
-#include "rtl_crypto.h"
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/init.h>
-#include <asm/hardirq.h>
-#include <asm/softirq.h>
-#include <asm/kmap_types.h>
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
-#define list_for_each_entry(pos, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- prefetch(pos->member.next); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member), \
- prefetch(pos->member.next))
-
-static inline void cond_resched(void)
-{
- if (need_resched()) {
- set_current_state(TASK_RUNNING);
- schedule();
- }
-}
-#endif
-
-extern enum km_type crypto_km_types[];
-
-static inline enum km_type crypto_kmap_type(int out)
-{
- return crypto_km_types[(in_softirq() ? 2 : 0) + out];
-}
-
-static inline void *crypto_kmap(struct page *page, int out)
-{
- return kmap_atomic(page, crypto_kmap_type(out));
-}
-
-static inline void crypto_kunmap(void *vaddr, int out)
-{
- kunmap_atomic(vaddr, crypto_kmap_type(out));
-}
-
-static inline void crypto_yield(struct crypto_tfm *tfm)
-{
- if (!in_softirq())
- cond_resched();
-}
-
-static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
-{
- return (void *)&tfm[1];
-}
-
-struct crypto_alg *crypto_alg_lookup(const char *name);
-
-#ifdef CONFIG_KMOD
-void crypto_alg_autoload(const char *name);
-struct crypto_alg *crypto_alg_mod_lookup(const char *name);
-#else
-static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name)
-{
- return crypto_alg_lookup(name);
-}
-#endif
-
-#ifdef CONFIG_CRYPTO_HMAC
-int crypto_alloc_hmac_block(struct crypto_tfm *tfm);
-void crypto_free_hmac_block(struct crypto_tfm *tfm);
-#else
-static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
-{
- return 0;
-}
-
-static inline void crypto_free_hmac_block(struct crypto_tfm *tfm)
-{ }
-#endif
-
-#ifdef CONFIG_PROC_FS
-void __init crypto_init_proc(void);
-#else
-static inline void crypto_init_proc(void)
-{ }
-#endif
-
-int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags);
-int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags);
-int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags);
-
-int crypto_init_digest_ops(struct crypto_tfm *tfm);
-int crypto_init_cipher_ops(struct crypto_tfm *tfm);
-int crypto_init_compress_ops(struct crypto_tfm *tfm);
-
-void crypto_exit_digest_ops(struct crypto_tfm *tfm);
-void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
-void crypto_exit_compress_ops(struct crypto_tfm *tfm);
-
-#endif /* _CRYPTO_INTERNAL_H */
-
+++ /dev/null
-#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
+++ /dev/null
-/*
- * 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>");
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-/*
- * 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.
- *
- */
-#ifndef _LINUX_CRYPTO_H
-#define _LINUX_CRYPTO_H
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/list.h>
-#include <linux/string.h>
-#include <asm/page.h>
-#include <asm/errno.h>
-
-#define crypto_register_alg crypto_register_alg_rsl
-#define crypto_unregister_alg crypto_unregister_alg_rsl
-#define crypto_alloc_tfm crypto_alloc_tfm_rsl
-#define crypto_free_tfm crypto_free_tfm_rsl
-#define crypto_alg_available crypto_alg_available_rsl
-
-/*
- * Algorithm masks and types.
- */
-#define CRYPTO_ALG_TYPE_MASK 0x000000ff
-#define CRYPTO_ALG_TYPE_CIPHER 0x00000001
-#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
-#define CRYPTO_ALG_TYPE_COMPRESS 0x00000004
-
-/*
- * Transform masks and values (for crt_flags).
- */
-#define CRYPTO_TFM_MODE_MASK 0x000000ff
-#define CRYPTO_TFM_REQ_MASK 0x000fff00
-#define CRYPTO_TFM_RES_MASK 0xfff00000
-
-#define CRYPTO_TFM_MODE_ECB 0x00000001
-#define CRYPTO_TFM_MODE_CBC 0x00000002
-#define CRYPTO_TFM_MODE_CFB 0x00000004
-#define CRYPTO_TFM_MODE_CTR 0x00000008
-
-#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
-#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
-#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000
-#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000
-#define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000
-#define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000
-
-/*
- * Miscellaneous stuff.
- */
-#define CRYPTO_UNSPEC 0
-#define CRYPTO_MAX_ALG_NAME 64
-
-struct scatterlist;
-
-/*
- * Algorithms: modular crypto algorithm implementations, managed
- * via crypto_register_alg() and crypto_unregister_alg().
- */
-struct cipher_alg {
- unsigned int cia_min_keysize;
- unsigned int cia_max_keysize;
- int (*cia_setkey)(void *ctx, const u8 *key,
- unsigned int keylen, u32 *flags);
- void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src);
- void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src);
-};
-
-struct digest_alg {
- unsigned int dia_digestsize;
- void (*dia_init)(void *ctx);
- void (*dia_update)(void *ctx, const u8 *data, unsigned int len);
- void (*dia_final)(void *ctx, u8 *out);
- int (*dia_setkey)(void *ctx, const u8 *key,
- unsigned int keylen, u32 *flags);
-};
-
-struct compress_alg {
- int (*coa_init)(void *ctx);
- void (*coa_exit)(void *ctx);
- int (*coa_compress)(void *ctx, const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen);
- int (*coa_decompress)(void *ctx, const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen);
-};
-
-#define cra_cipher cra_u.cipher
-#define cra_digest cra_u.digest
-#define cra_compress cra_u.compress
-
-struct crypto_alg {
- struct list_head cra_list;
- u32 cra_flags;
- unsigned int cra_blocksize;
- unsigned int cra_ctxsize;
- const char cra_name[CRYPTO_MAX_ALG_NAME];
-
- union {
- struct cipher_alg cipher;
- struct digest_alg digest;
- struct compress_alg compress;
- } cra_u;
-
- struct module *cra_module;
-};
-
-/*
- * Algorithm registration interface.
- */
-int crypto_register_alg(struct crypto_alg *alg);
-int crypto_unregister_alg(struct crypto_alg *alg);
-
-/*
- * Algorithm query interface.
- */
-int crypto_alg_available(const char *name, u32 flags);
-
-/*
- * Transforms: user-instantiated objects which encapsulate algorithms
- * and core processing logic. Managed via crypto_alloc_tfm() and
- * crypto_free_tfm(), as well as the various helpers below.
- */
-struct crypto_tfm;
-
-struct cipher_tfm {
- void *cit_iv;
- unsigned int cit_ivsize;
- u32 cit_mode;
- int (*cit_setkey)(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen);
- int (*cit_encrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_encrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- int (*cit_decrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_decrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- void (*cit_xor_block)(u8 *dst, const u8 *src);
-};
-
-struct digest_tfm {
- void (*dit_init)(struct crypto_tfm *tfm);
- void (*dit_update)(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg);
- void (*dit_final)(struct crypto_tfm *tfm, u8 *out);
- void (*dit_digest)(struct crypto_tfm *tfm, struct scatterlist *sg,
- unsigned int nsg, u8 *out);
- int (*dit_setkey)(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen);
-#ifdef CONFIG_CRYPTO_HMAC
- void *dit_hmac_block;
-#endif
-};
-
-struct compress_tfm {
- int (*cot_compress)(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen);
- int (*cot_decompress)(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen);
-};
-
-#define crt_cipher crt_u.cipher
-#define crt_digest crt_u.digest
-#define crt_compress crt_u.compress
-
-struct crypto_tfm {
-
- u32 crt_flags;
-
- union {
- struct cipher_tfm cipher;
- struct digest_tfm digest;
- struct compress_tfm compress;
- } crt_u;
-
- struct crypto_alg *__crt_alg;
-};
-
-/*
- * Transform user interface.
- */
-
-/*
- * crypto_alloc_tfm() will first attempt to locate an already loaded algorithm.
- * If that fails and the kernel supports dynamically loadable modules, it
- * will then attempt to load a module of the same name or alias. A refcount
- * is grabbed on the algorithm which is then associated with the new transform.
- *
- * crypto_free_tfm() frees up the transform and any associated resources,
- * then drops the refcount on the associated algorithm.
- */
-struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
-void crypto_free_tfm(struct crypto_tfm *tfm);
-
-/*
- * Transform helpers which query the underlying algorithm.
- */
-static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm)
-{
- return tfm->__crt_alg->cra_name;
-}
-
-static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm)
-{
- struct crypto_alg *alg = tfm->__crt_alg;
-
- if (alg->cra_module)
- return alg->cra_module->name;
- else
- return NULL;
-}
-
-static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
-{
- return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
-}
-
-static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->__crt_alg->cra_cipher.cia_min_keysize;
-}
-
-static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->__crt_alg->cra_cipher.cia_max_keysize;
-}
-
-static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_ivsize;
-}
-
-static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
-{
- return tfm->__crt_alg->cra_blocksize;
-}
-
-static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- return tfm->__crt_alg->cra_digest.dia_digestsize;
-}
-
-/*
- * API wrappers.
- */
-static inline void crypto_digest_init(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- tfm->crt_digest.dit_init(tfm);
-}
-
-static inline void crypto_digest_update(struct crypto_tfm *tfm,
- struct scatterlist *sg,
- unsigned int nsg)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- tfm->crt_digest.dit_update(tfm, sg, nsg);
-}
-
-static inline void crypto_digest_final(struct crypto_tfm *tfm, u8 *out)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- tfm->crt_digest.dit_final(tfm, out);
-}
-
-static inline void crypto_digest_digest(struct crypto_tfm *tfm,
- struct scatterlist *sg,
- unsigned int nsg, u8 *out)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- tfm->crt_digest.dit_digest(tfm, sg, nsg, out);
-}
-
-static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- if (tfm->crt_digest.dit_setkey == NULL)
- return -ENOSYS;
- return tfm->crt_digest.dit_setkey(tfm, key, keylen);
-}
-
-static inline int crypto_cipher_setkey(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_setkey(tfm, key, keylen);
-}
-
-static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
-}
-
-static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
- return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
-}
-
-static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
-}
-
-static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
- return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
-}
-
-static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
- const u8 *src, unsigned int len)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(tfm->crt_cipher.cit_iv, src, len);
-}
-
-static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
- u8 *dst, unsigned int len)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(dst, tfm->crt_cipher.cit_iv, len);
-}
-
-static inline int crypto_comp_compress(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
- return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen);
-}
-
-static inline int crypto_comp_decompress(struct crypto_tfm *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int *dlen)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
- return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen);
-}
-
-/*
- * HMAC support.
- */
-#ifdef CONFIG_CRYPTO_HMAC
-void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen);
-void crypto_hmac_update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg);
-void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key,
- unsigned int *keylen, u8 *out);
-void crypto_hmac(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen,
- struct scatterlist *sg, unsigned int nsg, u8 *out);
-#endif /* CONFIG_CRYPTO_HMAC */
-
-#endif /* _LINUX_CRYPTO_H */
-
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-/*
- * 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 */
projects / openwrt / staging / blogic.git / commitdiff