aes.h

实现DES加密解密算法

/* AES.H*/

#ifndef HEADER_AES_H
#define HEADER_AES_H

#ifdef OPENSSL_NO_AES
#error AES is disabled.
#endif

#define AES_ENCRYPT	1
#define AES_DECRYPT	0

/* Because array size can't be a const in C, the following two are macros.
   Both sizes are in bytes. */
#define AES_MAXNR 14
#define AES_BLOCK_SIZE 16

#ifdef  __cplusplus
extern "C" {
#endif

/* This should be a hidden type, but EVP requires that the size be known */
struct aes_key_st {
    unsigned long rd_key[4 *(AES_MAXNR + 1)];
    int rounds;
};
typedef struct aes_key_st AES_KEY;

const char *AES_options(void);

int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
	AES_KEY *key);
int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
	AES_KEY *key);

void AES_encrypt(const unsigned char *in, unsigned char *out,
	const AES_KEY *key);
void AES_decrypt(const unsigned char *in, unsigned char *out,
	const AES_KEY *key);

void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
	const AES_KEY *key, const int enc);
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
	const unsigned long length, const AES_KEY *key,
	unsigned char *ivec, const int enc);
void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
	const unsigned long length, const AES_KEY *key,
	unsigned char *ivec, int *num, const int enc);
void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
	const unsigned long length, const AES_KEY *key,
	unsigned char *ivec, int *num);
void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
	const unsigned long length, const AES_KEY *key,
	unsigned char counter[AES_BLOCK_SIZE],
	unsigned char ecount_buf[AES_BLOCK_SIZE],
	unsigned int *num);




#ifdef  __cplusplus
}
#endif

#endif /* !HEADER_AES_H */


//#include "aes_locl.h"
#include <assert.h>



#ifndef AES_DEBUG
# ifndef NDEBUG
#  define NDEBUG
# endif
#endif
#include <assert.h>

#include <stdlib.h>
//#include <openssl/aes.h>
#ifndef HEADER_AES_LOCL_H
#define HEADER_AES_LOCL_H

#include "e_os2.h"

#ifdef OPENSSL_NO_AES
#error AES is disabled.
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#if defined(_MSC_VER) && !defined(OPENSSL_SYS_WINCE)
# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
# define GETU32(p) SWAP(*((u32 *)(p)))
# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
#else
# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
#endif

typedef unsigned long u32;
typedef unsigned short u16;
typedef unsigned char u8;

#define MAXKC   (256/32)
#define MAXKB   (256/8)
#define MAXNR   14

/* This controls loop-unrolling in aes_core.c */
#undef FULL_UNROLL

#endif /* !HEADER_AES_LOCL_H */

/*
Te0[x] = S [x].[02, 01, 01, 03];
Te1[x] = S [x].[03, 02, 01, 01];
Te2[x] = S [x].[01, 03, 02, 01];
Te3[x] = S [x].[01, 01, 03, 02];
Te4[x] = S [x].[01, 01, 01, 01];

Td0[x] = Si[x].[0e, 09, 0d, 0b];
Td1[x] = Si[x].[0b, 0e, 09, 0d];
Td2[x] = Si[x].[0d, 0b, 0e, 09];
Td3[x] = Si[x].[09, 0d, 0b, 0e];
Td4[x] = Si[x].[01, 01, 01, 01];
*/

static const u32 Te0[256] = {
	0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
	0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
	0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
	0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
	0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
	0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
	0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
	0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
	0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
	0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
	0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
	0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
	0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
	0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
	0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
	0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
	0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
	0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
	0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
	0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
	0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
	0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
	0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
	0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
	0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
	0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
	0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
	0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
	0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
	0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
	0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
	0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
	0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
	0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
	0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
	0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
	0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
	0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
	0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
	0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
	0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
	0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
	0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
	0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
	0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
	0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
	0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
	0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
	0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
	0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
	0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
	0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
	0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
	0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
	0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
	0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
	0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
	0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
	0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
	0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
	0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
	0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
	0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
	0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
};
static const u32 Te1[256] = {
	0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
	0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
	0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
	0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
	0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
	0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
	0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
	0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
	0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
	0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
	0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
	0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
	0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
	0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
	0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
	0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
	0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
	0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
	0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
	0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
	0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
	0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
	0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
	0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
	0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
	0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
	0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
	0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
	0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
	0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
	0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
	0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
	0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
	0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
	0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
	0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
	0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
	0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
	0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
	0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
	0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
	0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
	0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
	0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
	0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
	0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
	0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
	0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
	0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
	0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
	0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
	0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
	0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
	0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
	0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
	0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
	0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
	0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
	0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
	0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
	0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
	0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
	0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
	0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
};
static const u32 Te2[256] = {
	0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
	0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
	0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
	0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
	0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
	0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
	0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
	0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
	0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
	0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,