-/*
+/* ---------------------------------------------------------------------------
+ Copyright (c) 1998-2006, Brian Gladman, Worcester, UK. All rights reserved.
- rijndael_internal.h
+ LICENSE TERMS
- Author: Pekka Riikonen <priikone@silcnet.org>
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ 1. distributions of this source code include the above copyright
+ notice, this list of conditions and the following disclaimer;
- 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; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ 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.
+ ---------------------------------------------------------------------------
+ Issue 09/09/2006
*/
#ifndef RIJNDAEL_INTERNAL_H
#include "ciphers_def.h"
-/* Cipher's context */
+#define KS_LENGTH 60
+
+typedef union {
+ uint_32t l;
+ uint_8t b[4];
+} aes_inf;
+
+typedef struct {
+ uint_32t ks[KS_LENGTH];
+ aes_inf inf;
+} aes_encrypt_ctx;
+
+typedef struct {
+ uint_32t ks[KS_LENGTH];
+ aes_inf inf;
+} aes_decrypt_ctx;
+
typedef struct {
- u4byte e_key[60];
- u4byte d_key[60];
- u4byte k_len;
-} RijndaelContext;
-
-/* Prototypes */
-u4byte *rijndael_set_key(RijndaelContext *ctx,
- const u4byte in_key[], const u4byte key_len);
-void rijndael_encrypt(RijndaelContext *ctx,
- const u4byte in_blk[4], u4byte out_blk[4]);
-void rijndael_decrypt(RijndaelContext *ctx,
- const u4byte in_blk[4], u4byte out_blk[4]);
+ aes_encrypt_ctx enc;
+ aes_decrypt_ctx dec;
+} AesContext;
+#define AES_RETURN void
+#define AES_REV_DKS /* define to reverse decryption key schedule */
+#define AES_BLOCK_SIZE 16 /* the AES block size in bytes */
+#define N_COLS 4 /* the number of columns in the state */
+#define RC_LENGTH (5 * (AES_BLOCK_SIZE / 4 - 2))
+#define WPOLY 0x011b
+#define BPOLY 0x1b
+#define m1 0x80808080
+#define m2 0x7f7f7f7f
+#define gf_mulx(x) ((((x) & m2) << 1) ^ ((((x) & m1) >> 7) * BPOLY))
+#define s(x,c) x[c]
+#define lp32(x) ((uint_32t*)(x))
+
+#if defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
+#define TABLE_ALIGN 32
+#endif
+
+#if defined( bswap32 )
+#define aes_sw32 bswap32
+#elif defined( bswap_32 )
+#define aes_sw32 bswap_32
+#else
+#define brot(x,n) (((uint_32t)(x) << n) | ((uint_32t)(x) >> (32 - n)))
+#define aes_sw32(x) ((brot((x),8) & 0x00ff00ff) | (brot((x),24) & 0xff00ff00))
#endif
+
+#ifdef WORDS_BIGENDIAN
+#define upr(x,n) (((uint_32t)(x) >> (8 * (n))) | \
+ ((uint_32t)(x) << (32 - 8 * (n))))
+#define ups(x,n) ((uint_32t) (x) >> (8 * (n)))
+#define bval(x,n) ((uint_8t)((x) >> (24 - 8 * (n))))
+#define bytes2word(b0, b1, b2, b3) (((uint_32t)(b0) << 24) | \
+ ((uint_32t)(b1) << 16) | \
+ ((uint_32t)(b2) << 8) | (b3))
+#else
+#define upr(x,n) (((uint_32t)(x) << (8 * (n))) | \
+ ((uint_32t)(x) >> (32 - 8 * (n))))
+#define ups(x,n) ((uint_32t) (x) << (8 * (n)))
+#define bval(x,n) ((uint_8t)((x) >> (8 * (n))))
+#define bytes2word(b0, b1, b2, b3) (((uint_32t)(b3) << 24) | \
+ ((uint_32t)(b2) << 16) | \
+ ((uint_32t)(b1) << 8) | (b0))
+#endif /* WORDS_BIGENDIAN */
+
+#define word_in(x,c) bytes2word(((const uint_8t*)(x)+4*c)[0], \
+ ((const uint_8t*)(x)+4*c)[1], \
+ ((const uint_8t*)(x)+4*c)[2], \
+ ((const uint_8t*)(x)+4*c)[3])
+#define word_out(x,c,v) { \
+ ((uint_8t*)(x)+4*c)[0] = bval(v,0); \
+ ((uint_8t*)(x)+4*c)[1] = bval(v,1); \
+ ((uint_8t*)(x)+4*c)[2] = bval(v,2); \
+ ((uint_8t*)(x)+4*c)[3] = bval(v,3); \
+}
+
+#define four_tables(x,tab,vf,rf,c) \
+ ( tab[0][bval(vf(x,0,c),rf(0,c))] \
+ ^ tab[1][bval(vf(x,1,c),rf(1,c))] \
+ ^ tab[2][bval(vf(x,2,c),rf(2,c))] \
+ ^ tab[3][bval(vf(x,3,c),rf(3,c))])
+
+#define vf1(x,r,c) (x)
+#define rf1(r,c) (r)
+#define rf2(r,c) ((8+r-c)&3)
+
+#define dec_fmvars uint_32t g2
+#define fwd_mcol(x) (g2 = gf_mulx(x), g2 ^ upr((x) ^ g2, 3) ^ upr((x), 2) ^ upr((x), 1))
+#define inv_mcol(x) four_tables(x,t_use(i,m),vf1,rf1,0)
+#define ls_box(x,c) four_tables(x,t_use(f,l),vf1,rf2,c)
+
+#define ff(x) inv_mcol(x)
+#if defined( dec_imvars )
+#define d_vars dec_imvars
+#endif
+
+#define sb_data(w) {\
+ w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\
+ w(0x30), w(0x01), w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76),\
+ w(0xca), w(0x82), w(0xc9), w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0),\
+ w(0xad), w(0xd4), w(0xa2), w(0xaf), w(0x9c), w(0xa4), w(0x72), w(0xc0),\
+ w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), w(0x3f), w(0xf7), w(0xcc),\
+ w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), w(0x31), w(0x15),\
+ w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), w(0x9a),\
+ w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75),\
+ w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0),\
+ w(0x52), w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84),\
+ w(0x53), w(0xd1), w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b),\
+ w(0x6a), w(0xcb), w(0xbe), w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf),\
+ w(0xd0), w(0xef), w(0xaa), w(0xfb), w(0x43), w(0x4d), w(0x33), w(0x85),\
+ w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), w(0x3c), w(0x9f), w(0xa8),\
+ w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), w(0x38), w(0xf5),\
+ w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), w(0xd2),\
+ w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17),\
+ w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73),\
+ w(0x60), w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88),\
+ w(0x46), w(0xee), w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb),\
+ w(0xe0), w(0x32), w(0x3a), w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c),\
+ w(0xc2), w(0xd3), w(0xac), w(0x62), w(0x91), w(0x95), w(0xe4), w(0x79),\
+ w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), w(0xd5), w(0x4e), w(0xa9),\
+ w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), w(0xae), w(0x08),\
+ w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), w(0xc6),\
+ w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a),\
+ w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e),\
+ w(0x61), w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e),\
+ w(0xe1), w(0xf8), w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94),\
+ w(0x9b), w(0x1e), w(0x87), w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf),\
+ w(0x8c), w(0xa1), w(0x89), w(0x0d), w(0xbf), w(0xe6), w(0x42), w(0x68),\
+ w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), w(0x54), w(0xbb), w(0x16) }
+
+#define isb_data(w) {\
+ w(0x52), w(0x09), w(0x6a), w(0xd5), w(0x30), w(0x36), w(0xa5), w(0x38),\
+ w(0xbf), w(0x40), w(0xa3), w(0x9e), w(0x81), w(0xf3), w(0xd7), w(0xfb),\
+ w(0x7c), w(0xe3), w(0x39), w(0x82), w(0x9b), w(0x2f), w(0xff), w(0x87),\
+ w(0x34), w(0x8e), w(0x43), w(0x44), w(0xc4), w(0xde), w(0xe9), w(0xcb),\
+ w(0x54), w(0x7b), w(0x94), w(0x32), w(0xa6), w(0xc2), w(0x23), w(0x3d),\
+ w(0xee), w(0x4c), w(0x95), w(0x0b), w(0x42), w(0xfa), w(0xc3), w(0x4e),\
+ w(0x08), w(0x2e), w(0xa1), w(0x66), w(0x28), w(0xd9), w(0x24), w(0xb2),\
+ w(0x76), w(0x5b), w(0xa2), w(0x49), w(0x6d), w(0x8b), w(0xd1), w(0x25),\
+ w(0x72), w(0xf8), w(0xf6), w(0x64), w(0x86), w(0x68), w(0x98), w(0x16),\
+ w(0xd4), w(0xa4), w(0x5c), w(0xcc), w(0x5d), w(0x65), w(0xb6), w(0x92),\
+ w(0x6c), w(0x70), w(0x48), w(0x50), w(0xfd), w(0xed), w(0xb9), w(0xda),\
+ w(0x5e), w(0x15), w(0x46), w(0x57), w(0xa7), w(0x8d), w(0x9d), w(0x84),\
+ w(0x90), w(0xd8), w(0xab), w(0x00), w(0x8c), w(0xbc), w(0xd3), w(0x0a),\
+ w(0xf7), w(0xe4), w(0x58), w(0x05), w(0xb8), w(0xb3), w(0x45), w(0x06),\
+ w(0xd0), w(0x2c), w(0x1e), w(0x8f), w(0xca), w(0x3f), w(0x0f), w(0x02),\
+ w(0xc1), w(0xaf), w(0xbd), w(0x03), w(0x01), w(0x13), w(0x8a), w(0x6b),\
+ w(0x3a), w(0x91), w(0x11), w(0x41), w(0x4f), w(0x67), w(0xdc), w(0xea),\
+ w(0x97), w(0xf2), w(0xcf), w(0xce), w(0xf0), w(0xb4), w(0xe6), w(0x73),\
+ w(0x96), w(0xac), w(0x74), w(0x22), w(0xe7), w(0xad), w(0x35), w(0x85),\
+ w(0xe2), w(0xf9), w(0x37), w(0xe8), w(0x1c), w(0x75), w(0xdf), w(0x6e),\
+ w(0x47), w(0xf1), w(0x1a), w(0x71), w(0x1d), w(0x29), w(0xc5), w(0x89),\
+ w(0x6f), w(0xb7), w(0x62), w(0x0e), w(0xaa), w(0x18), w(0xbe), w(0x1b),\
+ w(0xfc), w(0x56), w(0x3e), w(0x4b), w(0xc6), w(0xd2), w(0x79), w(0x20),\
+ w(0x9a), w(0xdb), w(0xc0), w(0xfe), w(0x78), w(0xcd), w(0x5a), w(0xf4),\
+ w(0x1f), w(0xdd), w(0xa8), w(0x33), w(0x88), w(0x07), w(0xc7), w(0x31),\
+ w(0xb1), w(0x12), w(0x10), w(0x59), w(0x27), w(0x80), w(0xec), w(0x5f),\
+ w(0x60), w(0x51), w(0x7f), w(0xa9), w(0x19), w(0xb5), w(0x4a), w(0x0d),\
+ w(0x2d), w(0xe5), w(0x7a), w(0x9f), w(0x93), w(0xc9), w(0x9c), w(0xef),\
+ w(0xa0), w(0xe0), w(0x3b), w(0x4d), w(0xae), w(0x2a), w(0xf5), w(0xb0),\
+ w(0xc8), w(0xeb), w(0xbb), w(0x3c), w(0x83), w(0x53), w(0x99), w(0x61),\
+ w(0x17), w(0x2b), w(0x04), w(0x7e), w(0xba), w(0x77), w(0xd6), w(0x26),\
+ w(0xe1), w(0x69), w(0x14), w(0x63), w(0x55), w(0x21), w(0x0c), w(0x7d) }
+
+#define mm_data(w) {\
+ w(0x00), w(0x01), w(0x02), w(0x03), w(0x04), w(0x05), w(0x06), w(0x07),\
+ w(0x08), w(0x09), w(0x0a), w(0x0b), w(0x0c), w(0x0d), w(0x0e), w(0x0f),\
+ w(0x10), w(0x11), w(0x12), w(0x13), w(0x14), w(0x15), w(0x16), w(0x17),\
+ w(0x18), w(0x19), w(0x1a), w(0x1b), w(0x1c), w(0x1d), w(0x1e), w(0x1f),\
+ w(0x20), w(0x21), w(0x22), w(0x23), w(0x24), w(0x25), w(0x26), w(0x27),\
+ w(0x28), w(0x29), w(0x2a), w(0x2b), w(0x2c), w(0x2d), w(0x2e), w(0x2f),\
+ w(0x30), w(0x31), w(0x32), w(0x33), w(0x34), w(0x35), w(0x36), w(0x37),\
+ w(0x38), w(0x39), w(0x3a), w(0x3b), w(0x3c), w(0x3d), w(0x3e), w(0x3f),\
+ w(0x40), w(0x41), w(0x42), w(0x43), w(0x44), w(0x45), w(0x46), w(0x47),\
+ w(0x48), w(0x49), w(0x4a), w(0x4b), w(0x4c), w(0x4d), w(0x4e), w(0x4f),\
+ w(0x50), w(0x51), w(0x52), w(0x53), w(0x54), w(0x55), w(0x56), w(0x57),\
+ w(0x58), w(0x59), w(0x5a), w(0x5b), w(0x5c), w(0x5d), w(0x5e), w(0x5f),\
+ w(0x60), w(0x61), w(0x62), w(0x63), w(0x64), w(0x65), w(0x66), w(0x67),\
+ w(0x68), w(0x69), w(0x6a), w(0x6b), w(0x6c), w(0x6d), w(0x6e), w(0x6f),\
+ w(0x70), w(0x71), w(0x72), w(0x73), w(0x74), w(0x75), w(0x76), w(0x77),\
+ w(0x78), w(0x79), w(0x7a), w(0x7b), w(0x7c), w(0x7d), w(0x7e), w(0x7f),\
+ w(0x80), w(0x81), w(0x82), w(0x83), w(0x84), w(0x85), w(0x86), w(0x87),\
+ w(0x88), w(0x89), w(0x8a), w(0x8b), w(0x8c), w(0x8d), w(0x8e), w(0x8f),\
+ w(0x90), w(0x91), w(0x92), w(0x93), w(0x94), w(0x95), w(0x96), w(0x97),\
+ w(0x98), w(0x99), w(0x9a), w(0x9b), w(0x9c), w(0x9d), w(0x9e), w(0x9f),\
+ w(0xa0), w(0xa1), w(0xa2), w(0xa3), w(0xa4), w(0xa5), w(0xa6), w(0xa7),\
+ w(0xa8), w(0xa9), w(0xaa), w(0xab), w(0xac), w(0xad), w(0xae), w(0xaf),\
+ w(0xb0), w(0xb1), w(0xb2), w(0xb3), w(0xb4), w(0xb5), w(0xb6), w(0xb7),\
+ w(0xb8), w(0xb9), w(0xba), w(0xbb), w(0xbc), w(0xbd), w(0xbe), w(0xbf),\
+ w(0xc0), w(0xc1), w(0xc2), w(0xc3), w(0xc4), w(0xc5), w(0xc6), w(0xc7),\
+ w(0xc8), w(0xc9), w(0xca), w(0xcb), w(0xcc), w(0xcd), w(0xce), w(0xcf),\
+ w(0xd0), w(0xd1), w(0xd2), w(0xd3), w(0xd4), w(0xd5), w(0xd6), w(0xd7),\
+ w(0xd8), w(0xd9), w(0xda), w(0xdb), w(0xdc), w(0xdd), w(0xde), w(0xdf),\
+ w(0xe0), w(0xe1), w(0xe2), w(0xe3), w(0xe4), w(0xe5), w(0xe6), w(0xe7),\
+ w(0xe8), w(0xe9), w(0xea), w(0xeb), w(0xec), w(0xed), w(0xee), w(0xef),\
+ w(0xf0), w(0xf1), w(0xf2), w(0xf3), w(0xf4), w(0xf5), w(0xf6), w(0xf7),\
+ w(0xf8), w(0xf9), w(0xfa), w(0xfb), w(0xfc), w(0xfd), w(0xfe), w(0xff) }
+
+#define rc_data(w) {\
+ w(0x01), w(0x02), w(0x04), w(0x08), w(0x10),w(0x20), w(0x40), w(0x80),\
+ w(0x1b), w(0x36) }
+
+#define h0(x) (x)
+
+#define w0(p) bytes2word(p, 0, 0, 0)
+#define w1(p) bytes2word(0, p, 0, 0)
+#define w2(p) bytes2word(0, 0, p, 0)
+#define w3(p) bytes2word(0, 0, 0, p)
+
+#define u0(p) bytes2word(f2(p), p, p, f3(p))
+#define u1(p) bytes2word(f3(p), f2(p), p, p)
+#define u2(p) bytes2word(p, f3(p), f2(p), p)
+#define u3(p) bytes2word(p, p, f3(p), f2(p))
+
+#define v0(p) bytes2word(fe(p), f9(p), fd(p), fb(p))
+#define v1(p) bytes2word(fb(p), fe(p), f9(p), fd(p))
+#define v2(p) bytes2word(fd(p), fb(p), fe(p), f9(p))
+#define v3(p) bytes2word(f9(p), fd(p), fb(p), fe(p))
+
+#define f2(x) ((x<<1) ^ (((x>>7) & 1) * WPOLY))
+#define f4(x) ((x<<2) ^ (((x>>6) & 1) * WPOLY) ^ (((x>>6) & 2) * WPOLY))
+#define f8(x) ((x<<3) ^ (((x>>5) & 1) * WPOLY) ^ (((x>>5) & 2) * WPOLY) \
+ ^ (((x>>5) & 4) * WPOLY))
+#define f3(x) (f2(x) ^ x)
+#define f9(x) (f8(x) ^ x)
+#define fb(x) (f8(x) ^ f2(x) ^ x)
+#define fd(x) (f8(x) ^ f4(x) ^ x)
+#define fe(x) (f8(x) ^ f4(x) ^ f2(x))
+
+#define t_dec(m,n) t_##m##n
+#define t_set(m,n) t_##m##n
+#define t_use(m,n) t_##m##n
+
+#if defined(_MSC_VER) && defined(TABLE_ALIGN)
+#define ALIGN __declspec(align(TABLE_ALIGN))
+#else
+#define ALIGN
+#endif
+
+AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
+AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1]);
+AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
+AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1]);
+AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1]);
+AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
+AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1]);
+AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
+AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1]);
+AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1]);
+
+#endif /* RIJNGDAEL_INTERNAL */
projects / silc.git / blobdiff