DES/des3 加密程序

   1 #ifndef POLARSSL_DES_H
 #define POLARSSL_DES_H

 #define DES_ENCRYPT     1
 #define DES_DECRYPT     0

 #define POLARSSL_ERR_DES_INVALID_INPUT_LENGTH               -0x0C00

 /**
  * \brief          DES context structure
  */
 typedef struct
 {
     int mode;                   /*!<  encrypt/decrypt   */
     unsigned long sk[];       /*!<  DES subkeys       */
 }
 des_context;

 /**
  * \brief          Triple-DES context structure
  */
 typedef struct
 {
     int mode;                   /*!<  encrypt/decrypt   */
     unsigned long sk[];       /*!<  3DES subkeys      */
 }
 des3_context;

 #ifdef __cplusplus
 extern "C" {
 #endif

 /**
  * \brief          DES key schedule (56-bit, encryption)
  *
  * \param ctx      DES context to be initialized
  * \param key      8-byte secret key
  */
 void des_setkey_enc( des_context *ctx, const unsigned char key[] );

 /**
  * \brief          DES key schedule (56-bit, decryption)
  *
  * \param ctx      DES context to be initialized
  * \param key      8-byte secret key
  */
 void des_setkey_dec( des_context *ctx, const unsigned char key[] );

 /**
  * \brief          Triple-DES key schedule (112-bit, encryption)
  *
  * \param ctx      3DES context to be initialized
  * \param key      16-byte secret key
  */
 void des3_set2key_enc( des3_context *ctx, const unsigned char key[] );

 /**
  * \brief          Triple-DES key schedule (112-bit, decryption)
  *
  * \param ctx      3DES context to be initialized
  * \param key      16-byte secret key
  */
 void des3_set2key_dec( des3_context *ctx, const unsigned char key[] );

 /**
  * \brief          Triple-DES key schedule (168-bit, encryption)
  *
  * \param ctx      3DES context to be initialized
  * \param key      24-byte secret key
  */
 void des3_set3key_enc( des3_context *ctx, const unsigned char key[] );

 /**
  * \brief          Triple-DES key schedule (168-bit, decryption)
  *
  * \param ctx      3DES context to be initialized
  * \param key      24-byte secret key
  */
 void des3_set3key_dec( des3_context *ctx, const unsigned char key[] );

 /**
  * \brief          DES-ECB block encryption/decryption
  *
  * \param ctx      DES context
  * \param input    64-bit input block
  * \param output   64-bit output block
  *
  * \return         0 if successful
  */
 int des_crypt_ecb( des_context *ctx,
                     const unsigned char input[],
                     unsigned char output[] );

 /**
  * \brief          DES-CBC buffer encryption/decryption
  *
  * \param ctx      DES context
  * \param mode     DES_ENCRYPT or DES_DECRYPT
  * \param length   length of the input data
  * \param iv       initialization vector (updated after use)
  * \param input    buffer holding the input data
  * \param output   buffer holding the output data
  */
 int des_crypt_cbc( des_context *ctx,
                     int mode,
                     int length,
                     unsigned char iv[],
                     const unsigned char *input,
                     unsigned char *output );

 /**
  * \brief          3DES-ECB block encryption/decryption
  *
  * \param ctx      3DES context
  * \param input    64-bit input block
  * \param output   64-bit output block
  *
  * \return         0 if successful
  */
 int des3_crypt_ecb( des3_context *ctx,
                      const unsigned char input[],
                      unsigned char output[] );

 /**
  * \brief          3DES-CBC buffer encryption/decryption
  *
  * \param ctx      3DES context
  * \param mode     DES_ENCRYPT or DES_DECRYPT
  * \param length   length of the input data
  * \param iv       initialization vector (updated after use)
  * \param input    buffer holding the input data
  * \param output   buffer holding the output data
  *
  * \return         0 if successful, or POLARSSL_ERR_DES_INVALID_INPUT_LENGTH
  */
 int des3_crypt_cbc( des3_context *ctx,
                      int mode,
                      int length,
                      unsigned char iv[],
                      const unsigned char *input,
                      unsigned char *output );

 /*
  * \brief          Checkup routine
  *
  * \return         0 if successful, or 1 if the test failed
  */
 int des_self_test( int verbose );

 #ifdef __cplusplus
 }
 #endif

 #endif /* des.h */
 #ifndef POLARSSL_CONFIG_H
 #define POLARSSL_CONFIG_H

 #ifndef _CRT_SECURE_NO_DEPRECATE
 #define _CRT_SECURE_NO_DEPRECATE 1
 #endif

 /*
  * Uncomment if native integers are 8-bit wide.
  *
 #define POLARSSL_HAVE_INT8
  */

 /*
  * Uncomment if native integers are 16-bit wide.
  *
 #define POLARSSL_HAVE_INT16
  */

 /*
  * Uncomment if the compiler supports long long.
  *
 #define POLARSSL_HAVE_LONGLONG
  */

 /*
  * Uncomment to enable the use of assembly code.
  *
  * Requires support for asm() in compiler.
  *
  * Used in:
  *      library/timing.c
  *      library/padlock.c
  *      include/polarssl/bn_mul.h
  *
  */
 #define POLARSSL_HAVE_ASM

 /*
  * Uncomment if the CPU supports SSE2 (IA-32 specific).
  *
 #define POLARSSL_HAVE_SSE2
  */

 /*
  * Enable all SSL/TLS debugging messages.
  */
 #define POLARSSL_DEBUG_MSG

 /*
  * Enable the checkup functions (*_self_test).
  */
 #define POLARSSL_SELF_TEST

 /*
  * Enable run-time version information functions
  */
 #define POLARSSL_VERSION_C

 /*
  * Enable the prime-number generation code.
  */
 #define POLARSSL_GENPRIME

 /*
  * Uncomment this macro to store the AES tables in ROM.
  *
 #define POLARSSL_AES_ROM_TABLES
  */

 /*
  * Module:  library/aes.c
  * Caller:  library/ssl_tls.c
  *
  * This module enables the following ciphersuites:
  *      SSL_RSA_AES_128_SHA
  *      SSL_RSA_AES_256_SHA
  *      SSL_EDH_RSA_AES_256_SHA
  */
 #define POLARSSL_AES_C

 /*
  * Module:  library/arc4.c
  * Caller:  library/ssl_tls.c
  *
  * This module enables the following ciphersuites:
  *      SSL_RSA_RC4_128_MD5
  *      SSL_RSA_RC4_128_SHA
  */
 #define POLARSSL_ARC4_C

 /*
  * Module:  library/base64.c
  * Caller:  library/x509parse.c
  *
  * This module is required for X.509 support.
  */
 #define POLARSSL_BASE64_C

 /*
  * Module:  library/bignum.c
  * Caller:  library/dhm.c
  *          library/rsa.c
  *          library/ssl_tls.c
  *          library/x509parse.c
  *
  * This module is required for RSA and DHM support.
  */
 #define POLARSSL_BIGNUM_C

 /*
  * Module:  library/camellia.c
  * Caller:  library/ssl_tls.c
  *
  * This module enabled the following cipher suites:
  *      SSL_RSA_CAMELLIA_128_SHA
  *      SSL_RSA_CAMELLIA_256_SHA
  *      SSL_EDH_RSA_CAMELLIA_256_SHA
  */
 #define POLARSSL_CAMELLIA_C

 /*
  * Module:  library/certs.c
  * Caller:
  *
  * This module is used for testing (ssl_client/server).
  */
 #define POLARSSL_CERTS_C

 /*
  * Module:  library/debug.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *          library/ssl_tls.c
  *
  * This module provides debugging functions.
  */
 #define POLARSSL_DEBUG_C

 /*
  * Module:  library/des.c
  * Caller:  library/ssl_tls.c
  *
  * This module enables the following ciphersuites:
  *      SSL_RSA_DES_168_SHA
  *      SSL_EDH_RSA_DES_168_SHA
  */
 #define POLARSSL_DES_C

 /*
  * Module:  library/dhm.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *
  * This module enables the following ciphersuites:
  *      SSL_EDH_RSA_DES_168_SHA
  *      SSL_EDH_RSA_AES_256_SHA
  *      SSL_EDH_RSA_CAMELLIA_256_SHA
  */
 #define POLARSSL_DHM_C

 /*
  * Module:  library/havege.c
  * Caller:
  *
  * This module enables the HAVEGE random number generator.
  */
 #define POLARSSL_HAVEGE_C

 /*
  * Module:  library/md2.c
  * Caller:  library/x509parse.c
  *
  * Uncomment to enable support for (rare) MD2-signed X.509 certs.
  *
 #define POLARSSL_MD2_C
  */

 /*
  * Module:  library/md4.c
  * Caller:  library/x509parse.c
  *
  * Uncomment to enable support for (rare) MD4-signed X.509 certs.
  *
 #define POLARSSL_MD4_C
  */

 /*
  * Module:  library/md5.c
  * Caller:  library/ssl_tls.c
  *          library/x509parse.c
  *
  * This module is required for SSL/TLS and X.509.
  */
 #define POLARSSL_MD5_C

 /*
  * Module:  library/net.c
  * Caller:
  *
  * This module provides TCP/IP networking routines.
  */
 #define POLARSSL_NET_C

 /*
  * Module:  library/padlock.c
  * Caller:  library/aes.c
  *
  * This modules adds support for the VIA PadLock on x86.
  */
 #define POLARSSL_PADLOCK_C

 /*
  * Module:  library/rsa.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *          library/ssl_tls.c
  *          library/x509.c
  *
  * This module is required for SSL/TLS and MD5-signed certificates.
  */
 #define POLARSSL_RSA_C

 /*
  * Module:  library/sha1.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *          library/ssl_tls.c
  *          library/x509parse.c
  *
  * This module is required for SSL/TLS and SHA1-signed certificates.
  */
 #define POLARSSL_SHA1_C

 /*
  * Module:  library/sha2.c
  * Caller:
  *
  * This module adds support for SHA-224 and SHA-256.
  */
 #define POLARSSL_SHA2_C

 /*
  * Module:  library/sha4.c
  * Caller:
  *
  * This module adds support for SHA-384 and SHA-512.
  */
 #define POLARSSL_SHA4_C

 /*
  * Module:  library/ssl_cli.c
  * Caller:
  *
  * This module is required for SSL/TLS client support.
  */
 #define POLARSSL_SSL_CLI_C

 /*
  * Module:  library/ssl_srv.c
  * Caller:
  *
  * This module is required for SSL/TLS server support.
  */
 #define POLARSSL_SSL_SRV_C

 /*
  * Module:  library/ssl_tls.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *
  * This module is required for SSL/TLS.
  */
 #define POLARSSL_SSL_TLS_C

 /*
  * Module:  library/timing.c
  * Caller:  library/havege.c
  *
  * This module is used by the HAVEGE random number generator.
  */
 #define POLARSSL_TIMING_C

 /*
  * Module:  library/x509parse.c
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *          library/ssl_tls.c
  *
  * This module is required for X.509 certificate parsing.
  */
 #define POLARSSL_X509_PARSE_C

 /*
  * Module:  library/x509_write.c
  * Caller:
  *
  * This module is required for X.509 certificate writing.
  */
 #define POLARSSL_X509_WRITE_C

 /*
  * Module:  library/xtea.c
  * Caller:
  */
 #define POLARSSL_XTEA_C

 #endif /* config.h */

 #ifndef POLARSSL_TIMING_H
 #define POLARSSL_TIMING_H

 struct hr_time
 {
     unsigned char opaque[];
 };

 #ifdef __cplusplus
 extern "C" {
 #endif

 extern int alarmed;
 unsigned long hardclock( void );

 unsigned long get_timer( struct hr_time *val, int reset );

 void set_alarm( int seconds );

 void m_sleep( int milliseconds );

 #ifdef __cplusplus
 }
 #endif

 #endif 

 #define BUFSIZE  32768

 #if defined(POLARSSL_TIMING_C)

 #if defined(_WIN32)

 #include <windows.h>
 #include <winbase.h>

 struct _hr_time
 {
     LARGE_INTEGER start;
 };

 #else

 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <signal.h>
 #include <time.h>

 struct _hr_time
 {
     struct timeval start;
 };

 #endif

 #if defined(POLARSSL_HAVE_ASM) &&                     \
     (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)

 unsigned long hardclock( void )
 {
     unsigned long tsc;
     __asm   rdtsc
     __asm   mov  [tsc], eax
     return( tsc );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__i386__)

 unsigned long hardclock( void )
 {
     unsigned long tsc;
     asm( "rdtsc" : "=a" (tsc) );
     return( tsc );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) &&             \
     (defined(__amd64__) || defined(__x86_64__))

 unsigned long hardclock( void )
 {
     unsigned long lo, hi;
     asm( "rdtsc" : "=a" (lo), "=d" (hi) );
     return( lo | (hi << ) );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) &&             \
     (defined(__powerpc__) || defined(__ppc__))

 unsigned long hardclock( void )
 {
     unsigned long tbl, tbu0, tbu1;

     do
     {
         asm( "mftbu %0" : "=r" (tbu0) );
         asm( "mftb  %0" : "=r" (tbl ) );
         asm( "mftbu %0" : "=r" (tbu1) );
     }
     while( tbu0 != tbu1 );

     return( tbl );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__sparc__)

 unsigned long hardclock( void )
 {
     unsigned long tick;
     asm( ".byte 0x83, 0x41, 0x00, 0x00" );
     asm( "mov   %%g1, %0" : "=r" (tick) );
     return( tick );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__alpha__)

 unsigned long hardclock( void )
 {
     unsigned long cc;
     asm( "rpcc %0" : "=r" (cc) );
     return( cc & 0xFFFFFFFF );
 }

 #else
 #if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__ia64__)

 unsigned long hardclock( void )
 {
     unsigned long itc;
     asm( "mov %0 = ar.itc" : "=r" (itc) );
     return( itc );
 }

 #else

 static int hardclock_init = ;
 static struct timeval tv_init;

 unsigned long hardclock( void )
 {
     struct timeval tv_cur;

     if( hardclock_init ==  )
     {
         gettimeofday( &tv_init, NULL );
         hardclock_init = ;
     }

     gettimeofday( &tv_cur, NULL );
     return( ( tv_cur.tv_sec  - tv_init.tv_sec  ) *
           + ( tv_cur.tv_usec - tv_init.tv_usec ) );
 }

 #endif /* generic */
 #endif /* IA-64   */
 #endif /* Alpha   */
 #endif /* SPARC8  */
 #endif /* PowerPC */
 #endif /* AMD64   */
 #endif /* i586+   */

 int alarmed = ;

 #if defined(_WIN32)

 unsigned long get_timer( struct hr_time *val, int reset )
 {
     unsigned long delta;
     LARGE_INTEGER offset, hfreq;
     struct _hr_time *t = (struct _hr_time *) val;

     QueryPerformanceCounter(  &offset );
     QueryPerformanceFrequency( &hfreq );

     delta = (unsigned long)( (  *
         ( offset.QuadPart - t->start.QuadPart ) ) /
            hfreq.QuadPart );

     if( reset )
         QueryPerformanceCounter( &t->start );

     return( delta );
 }

 DWORD WINAPI TimerProc( LPVOID uElapse )
 {
     Sleep( (DWORD) uElapse );
     alarmed = ;
     return( TRUE );
 }

 void set_alarm( int seconds )
 {
     DWORD ThreadId;

     alarmed = ;
     CloseHandle( CreateThread( NULL, , TimerProc,
         (LPVOID) ( seconds *  ), , &ThreadId ) );
 }

 void m_sleep( int milliseconds )
 {
     Sleep( milliseconds );
 }

 #else

 unsigned long get_timer( struct hr_time *val, int reset )
 {
     unsigned long delta;
     struct timeval offset;
     struct _hr_time *t = (struct _hr_time *) val;

     gettimeofday( &offset, NULL );

     delta = ( offset.tv_sec  - t->start.tv_sec  ) *
           + ( offset.tv_usec - t->start.tv_usec ) / ;

     if( reset )
     {
         t->start.tv_sec  = offset.tv_sec;
         t->start.tv_usec = offset.tv_usec;
     }

     return( delta );
 }

 static void sighandler( int signum )
 {
     alarmed = ;
     signal( signum, sighandler );
 }

 void set_alarm( int seconds )
 {
     alarmed = ;
     signal( SIGALRM, sighandler );
     alarm( seconds );
 }

 void m_sleep( int milliseconds )
 {
     struct timeval tv;

     tv.tv_sec  = milliseconds / ;
     tv.tv_usec = milliseconds * ;

     select( , NULL, NULL, NULL, &tv );
 }

 #endif

 #endif

 #if defined(POLARSSL_DES_C)

 #include <string.h>

 /*
  * 32-bit integer manipulation macros (big endian)
  */
 #ifndef GET_ULONG_BE
 #define GET_ULONG_BE(n,b,i)                             \
 {                                                       \
     (n) = ( (unsigned long) (b)[(i)    ] <<  )        \
         | ( (unsigned long) (b)[(i) + ] <<  )        \
         | ( (unsigned long) (b)[(i) + ] <<   )        \
         | ( (unsigned long) (b)[(i) + ]       );       \
 }
 #endif

 #ifndef PUT_ULONG_BE
 #define PUT_ULONG_BE(n,b,i)                             \
 {                                                       \
     (b)[(i)    ] = (unsigned char) ( (n) >>  );       \
     (b)[(i) + ] = (unsigned char) ( (n) >>  );       \
     (b)[(i) + ] = (unsigned char) ( (n) >>   );       \
     (b)[(i) + ] = (unsigned char) ( (n)       );       \
 }
 #endif

 /*
  * Expanded DES S-boxes
  */
 static const unsigned long SB1[] =
 {
     0x01010400, 0x00000000, 0x00010000, 0x01010404,
     0x01010004, 0x00010404, 0x00000004, 0x00010000,
     0x00000400, 0x01010400, 0x01010404, 0x00000400,
     0x01000404, 0x01010004, 0x01000000, 0x00000004,
     0x00000404, 0x01000400, 0x01000400, 0x00010400,
     0x00010400, 0x01010000, 0x01010000, 0x01000404,
     0x00010004, 0x01000004, 0x01000004, 0x00010004,
     0x00000000, 0x00000404, 0x00010404, 0x01000000,
     0x00010000, 0x01010404, 0x00000004, 0x01010000,
     0x01010400, 0x01000000, 0x01000000, 0x00000400,
     0x01010004, 0x00010000, 0x00010400, 0x01000004,
     0x00000400, 0x00000004, 0x01000404, 0x00010404,
     0x01010404, 0x00010004, 0x01010000, 0x01000404,
     0x01000004, 0x00000404, 0x00010404, 0x01010400,
     0x00000404, 0x01000400, 0x01000400, 0x00000000,
     0x00010004, 0x00010400, 0x00000000, 0x01010004
 };

 static const unsigned long SB2[] =
 {
     0x80108020, 0x80008000, 0x00008000, 0x00108020,
     0x00100000, 0x00000020, 0x80100020, 0x80008020,
     0x80000020, 0x80108020, 0x80108000, 0x80000000,
     0x80008000, 0x00100000, 0x00000020, 0x80100020,
     0x00108000, 0x00100020, 0x80008020, 0x00000000,
     0x80000000, 0x00008000, 0x00108020, 0x80100000,
     0x00100020, 0x80000020, 0x00000000, 0x00108000,
     0x00008020, 0x80108000, 0x80100000, 0x00008020,
     0x00000000, 0x00108020, 0x80100020, 0x00100000,
     0x80008020, 0x80100000, 0x80108000, 0x00008000,
     0x80100000, 0x80008000, 0x00000020, 0x80108020,
     0x00108020, 0x00000020, 0x00008000, 0x80000000,
     0x00008020, 0x80108000, 0x00100000, 0x80000020,
     0x00100020, 0x80008020, 0x80000020, 0x00100020,
     0x00108000, 0x00000000, 0x80008000, 0x00008020,
     0x80000000, 0x80100020, 0x80108020, 0x00108000
 };

 static const unsigned long SB3[] =
 {
     0x00000208, 0x08020200, 0x00000000, 0x08020008,
     0x08000200, 0x00000000, 0x00020208, 0x08000200,
     0x00020008, 0x08000008, 0x08000008, 0x00020000,
     0x08020208, 0x00020008, 0x08020000, 0x00000208,
     0x08000000, 0x00000008, 0x08020200, 0x00000200,
     0x00020200, 0x08020000, 0x08020008, 0x00020208,
     0x08000208, 0x00020200, 0x00020000, 0x08000208,
     0x00000008, 0x08020208, 0x00000200, 0x08000000,
     0x08020200, 0x08000000, 0x00020008, 0x00000208,
     0x00020000, 0x08020200, 0x08000200, 0x00000000,
     0x00000200, 0x00020008, 0x08020208, 0x08000200,
     0x08000008, 0x00000200, 0x00000000, 0x08020008,
     0x08000208, 0x00020000, 0x08000000, 0x08020208,
     0x00000008, 0x00020208, 0x00020200, 0x08000008,
     0x08020000, 0x08000208, 0x00000208, 0x08020000,
     0x00020208, 0x00000008, 0x08020008, 0x00020200
 };

 static const unsigned long SB4[] =
 {
     0x00802001, 0x00002081, 0x00002081, 0x00000080,
     0x00802080, 0x00800081, 0x00800001, 0x00002001,
     0x00000000, 0x00802000, 0x00802000, 0x00802081,
     0x00000081, 0x00000000, 0x00800080, 0x00800001,
     0x00000001, 0x00002000, 0x00800000, 0x00802001,
     0x00000080, 0x00800000, 0x00002001, 0x00002080,
     0x00800081, 0x00000001, 0x00002080, 0x00800080,
     0x00002000, 0x00802080, 0x00802081, 0x00000081,
     0x00800080, 0x00800001, 0x00802000, 0x00802081,
     0x00000081, 0x00000000, 0x00000000, 0x00802000,
     0x00002080, 0x00800080, 0x00800081, 0x00000001,
     0x00802001, 0x00002081, 0x00002081, 0x00000080,
     0x00802081, 0x00000081, 0x00000001, 0x00002000,
     0x00800001, 0x00002001, 0x00802080, 0x00800081,
     0x00002001, 0x00002080, 0x00800000, 0x00802001,
     0x00000080, 0x00800000, 0x00002000, 0x00802080
 };

 static const unsigned long SB5[] =
 {
     0x00000100, 0x02080100, 0x02080000, 0x42000100,
     0x00080000, 0x00000100, 0x40000000, 0x02080000,
     0x40080100, 0x00080000, 0x02000100, 0x40080100,
     0x42000100, 0x42080000, 0x00080100, 0x40000000,
     0x02000000, 0x40080000, 0x40080000, 0x00000000,
     0x40000100, 0x42080100, 0x42080100, 0x02000100,
     0x42080000, 0x40000100, 0x00000000, 0x42000000,
     0x02080100, 0x02000000, 0x42000000, 0x00080100,
     0x00080000, 0x42000100, 0x00000100, 0x02000000,
     0x40000000, 0x02080000, 0x42000100, 0x40080100,
     0x02000100, 0x40000000, 0x42080000, 0x02080100,
     0x40080100, 0x00000100, 0x02000000, 0x42080000,
     0x42080100, 0x00080100, 0x42000000, 0x42080100,
     0x02080000, 0x00000000, 0x40080000, 0x42000000,
     0x00080100, 0x02000100, 0x40000100, 0x00080000,
     0x00000000, 0x40080000, 0x02080100, 0x40000100
 };

 static const unsigned long SB6[] =
 {
     0x20000010, 0x20400000, 0x00004000, 0x20404010,
     0x20400000, 0x00000010, 0x20404010, 0x00400000,
     0x20004000, 0x00404010, 0x00400000, 0x20000010,
     0x00400010, 0x20004000, 0x20000000, 0x00004010,
     0x00000000, 0x00400010, 0x20004010, 0x00004000,
     0x00404000, 0x20004010, 0x00000010, 0x20400010,
     0x20400010, 0x00000000, 0x00404010, 0x20404000,
     0x00004010, 0x00404000, 0x20404000, 0x20000000,
     0x20004000, 0x00000010, 0x20400010, 0x00404000,
     0x20404010, 0x00400000, 0x00004010, 0x20000010,
     0x00400000, 0x20004000, 0x20000000, 0x00004010,
     0x20000010, 0x20404010, 0x00404000, 0x20400000,
     0x00404010, 0x20404000, 0x00000000, 0x20400010,
     0x00000010, 0x00004000, 0x20400000, 0x00404010,
     0x00004000, 0x00400010, 0x20004010, 0x00000000,
     0x20404000, 0x20000000, 0x00400010, 0x20004010
 };

 static const unsigned long SB7[] =
 {
     0x00200000, 0x04200002, 0x04000802, 0x00000000,
     0x00000800, 0x04000802, 0x00200802, 0x04200800,
     0x04200802, 0x00200000, 0x00000000, 0x04000002,
     0x00000002, 0x04000000, 0x04200002, 0x00000802,
     0x04000800, 0x00200802, 0x00200002, 0x04000800,
     0x04000002, 0x04200000, 0x04200800, 0x00200002,
     0x04200000, 0x00000800, 0x00000802, 0x04200802,
     0x00200800, 0x00000002, 0x04000000, 0x00200800,
     0x04000000, 0x00200800, 0x00200000, 0x04000802,
     0x04000802, 0x04200002, 0x04200002, 0x00000002,
     0x00200002, 0x04000000, 0x04000800, 0x00200000,
     0x04200800, 0x00000802, 0x00200802, 0x04200800,
     0x00000802, 0x04000002, 0x04200802, 0x04200000,
     0x00200800, 0x00000000, 0x00000002, 0x04200802,
     0x00000000, 0x00200802, 0x04200000, 0x00000800,
     0x04000002, 0x04000800, 0x00000800, 0x00200002
 };

 static const unsigned long SB8[] =
 {
     0x10001040, 0x00001000, 0x00040000, 0x10041040,
     0x10000000, 0x10001040, 0x00000040, 0x10000000,
     0x00040040, 0x10040000, 0x10041040, 0x00041000,
     0x10041000, 0x00041040, 0x00001000, 0x00000040,
     0x10040000, 0x10000040, 0x10001000, 0x00001040,
     0x00041000, 0x00040040, 0x10040040, 0x10041000,
     0x00001040, 0x00000000, 0x00000000, 0x10040040,
     0x10000040, 0x10001000, 0x00041040, 0x00040000,
     0x00041040, 0x00040000, 0x10041000, 0x00001000,
     0x00000040, 0x10040040, 0x00001000, 0x00041040,
     0x10001000, 0x00000040, 0x10000040, 0x10040000,
     0x10040040, 0x10000000, 0x00040000, 0x10001040,
     0x00000000, 0x10041040, 0x00040040, 0x10000040,
     0x10040000, 0x10001000, 0x10001040, 0x00000000,
     0x10041040, 0x00041000, 0x00041000, 0x00001040,
     0x00001040, 0x00040040, 0x10000000, 0x10041000
 };

 /*
  * PC1: left and right halves bit-swap
  */
 static const unsigned long LHs[] =
 {
     0x00000000, 0x00000001, 0x00000100, 0x00000101,
     0x00010000, 0x00010001, 0x00010100, 0x00010101,
     0x01000000, 0x01000001, 0x01000100, 0x01000101,
     0x01010000, 0x01010001, 0x01010100, 0x01010101
 };

 static const unsigned long RHs[] =
 {
     0x00000000, 0x01000000, 0x00010000, 0x01010000,
     0x00000100, 0x01000100, 0x00010100, 0x01010100,
     0x00000001, 0x01000001, 0x00010001, 0x01010001,
     0x00000101, 0x01000101, 0x00010101, 0x01010101,
 };

 /*
  * Initial Permutation macro
  */
 #define DES_IP(X,Y)                                             \
 {                                                               \
     T = ((X >>  ) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  );   \
     T = ((X >> ) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << );   \
     T = ((Y >>  ) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  );   \
     T = ((Y >>  ) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  );   \
     Y = ((Y << ) | (Y >> )) & 0xFFFFFFFF;                    \
     T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T;                   \
     X = ((X << ) | (X >> )) & 0xFFFFFFFF;                    \
 }

 /*
  * Final Permutation macro
  */
 #define DES_FP(X,Y)                                             \
 {                                                               \
     X = ((X << ) | (X >> )) & 0xFFFFFFFF;                    \
     T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T;                   \
     Y = ((Y << ) | (Y >> )) & 0xFFFFFFFF;                    \
     T = ((Y >>  ) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  );   \
     T = ((Y >>  ) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  );   \
     T = ((X >> ) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << );   \
     T = ((X >>  ) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  );   \
 }

 /*
  * DES round macro
  */
 #define DES_ROUND(X,Y)                          \
 {                                               \
     T = *SK++ ^ X;                              \
     Y ^= SB8[ (T      ) & 0x3F ] ^              \
          SB6[ (T >>  ) & 0x3F ] ^              \
          SB4[ (T >> ) & 0x3F ] ^              \
          SB2[ (T >> ) & 0x3F ];               \
                                                 \
     T = *SK++ ^ ((X << ) | (X >> ));         \
     Y ^= SB7[ (T      ) & 0x3F ] ^              \
          SB5[ (T >>  ) & 0x3F ] ^              \
          SB3[ (T >> ) & 0x3F ] ^              \
          SB1[ (T >> ) & 0x3F ];               \
 }

 #define SWAP(a,b) { unsigned long t = a; a = b; b = t; t = 0; }

 static void des_setkey( unsigned long SK[], const unsigned char key[] )
 {
     int i;
     unsigned long X, Y, T;

     GET_ULONG_BE( X, key,  );
     GET_ULONG_BE( Y, key,  );

     /*
      * Permuted Choice 1
      */
     T =  ((Y >>  ) ^ X) & 0x0F0F0F0F;  X ^= T; Y ^= (T <<  );
     T =  ((Y      ) ^ X) & 0x10101010;  X ^= T; Y ^= (T      );

     X =   (LHs[ (X      ) & 0xF] << ) | (LHs[ (X >>  ) & 0xF ] << )
         | (LHs[ (X >> ) & 0xF] << ) | (LHs[ (X >> ) & 0xF ]     )
         | (LHs[ (X >>  ) & 0xF] << ) | (LHs[ (X >> ) & 0xF ] << )
         | (LHs[ (X >> ) & 0xF] << ) | (LHs[ (X >> ) & 0xF ] << );

     Y =   (RHs[ (Y >>  ) & 0xF] << ) | (RHs[ (Y >>  ) & 0xF ] << )
         | (RHs[ (Y >> ) & 0xF] << ) | (RHs[ (Y >> ) & 0xF ]     )
         | (RHs[ (Y >>  ) & 0xF] << ) | (RHs[ (Y >> ) & 0xF ] << )
         | (RHs[ (Y >> ) & 0xF] << ) | (RHs[ (Y >> ) & 0xF ] << );

     X &= 0x0FFFFFFF;
     Y &= 0x0FFFFFFF;

     /*
      * calculate subkeys
      */
     for( i = ; i < ; i++ )
     {
         if( i <  || i ==  || i ==  )
         {
             X = ((X <<  ) | (X >> )) & 0x0FFFFFFF;
             Y = ((Y <<  ) | (Y >> )) & 0x0FFFFFFF;
         }
         else
         {
             X = ((X <<  ) | (X >> )) & 0x0FFFFFFF;
             Y = ((Y <<  ) | (Y >> )) & 0x0FFFFFFF;
         }

         *SK++ =   ((X <<  ) & 0x24000000) | ((X << ) & 0x10000000)
                 | ((X << ) & 0x08000000) | ((X << ) & 0x02080000)
                 | ((X <<  ) & 0x01000000) | ((X <<  ) & 0x00200000)
                 | ((X >>  ) & 0x00100000) | ((X << ) & 0x00040000)
                 | ((X <<  ) & 0x00020000) | ((X >> ) & 0x00010000)
                 | ((Y >> ) & 0x00002000) | ((Y >>  ) & 0x00001000)
                 | ((Y <<  ) & 0x00000800) | ((Y >>  ) & 0x00000400)
                 | ((Y >> ) & 0x00000200) | ((Y      ) & 0x00000100)
                 | ((Y >>  ) & 0x00000020) | ((Y >> ) & 0x00000010)
                 | ((Y >>  ) & 0x00000008) | ((Y >> ) & 0x00000004)
                 | ((Y >> ) & 0x00000002) | ((Y >> ) & 0x00000001);

         *SK++ =   ((X << ) & 0x20000000) | ((X << ) & 0x10000000)
                 | ((X << ) & 0x08000000) | ((X << ) & 0x04000000)
                 | ((X >>  ) & 0x02000000) | ((X <<  ) & 0x01000000)
                 | ((X << ) & 0x00200000) | ((X << ) & 0x00100000)
                 | ((X <<  ) & 0x00080000) | ((X >>  ) & 0x00040000)
                 | ((X << ) & 0x00020000) | ((X >>  ) & 0x00010000)
                 | ((Y >>  ) & 0x00002000) | ((Y <<  ) & 0x00001000)
                 | ((Y >> ) & 0x00000808) | ((Y >>  ) & 0x00000400)
                 | ((Y      ) & 0x00000200) | ((Y <<  ) & 0x00000100)
                 | ((Y >>  ) & 0x00000020) | ((Y >>  ) & 0x00000011)
                 | ((Y <<  ) & 0x00000004) | ((Y >> ) & 0x00000002);
     }
 }

 /*
  * DES key schedule (56-bit, encryption)
  */
 void des_setkey_enc( des_context *ctx, const unsigned char key[] )
 {
     des_setkey( ctx->sk, key );
 }

 /*
  * DES key schedule (56-bit, decryption)
  */
 void des_setkey_dec( des_context *ctx, const unsigned char key[] )
 {
     int i;

     des_setkey( ctx->sk, key );

     for( i = ; i < ; i +=  )
     {
         SWAP( ctx->sk[i    ], ctx->sk[ - i] );
         SWAP( ctx->sk[i + ], ctx->sk[ - i] );
     }
 }

 static void des3_set2key( unsigned long esk[],
                           unsigned long dsk[],
                           const unsigned char key[] )
 {
     int i;

     des_setkey( esk, key );
     des_setkey( dsk + , key +  );

     for( i = ; i < ; i +=  )
     {
         dsk[i     ] = esk[ - i];
         dsk[i +  ] = esk[ - i];

         esk[i + ] = dsk[ - i];
         esk[i + ] = dsk[ - i];

         esk[i + ] = esk[i    ];
         esk[i + ] = esk[i + ];

         dsk[i + ] = dsk[i    ];
         dsk[i + ] = dsk[i + ];
     }
 }

 /*
  * Triple-DES key schedule (112-bit, encryption)
  */
 void des3_set2key_enc( des3_context *ctx, const unsigned char key[] )
 {
     unsigned long sk[];

     des3_set2key( ctx->sk, sk, key );
     memset( sk,  , sizeof( sk ) );
 }

 /*
  * Triple-DES key schedule (112-bit, decryption)
  */
 void des3_set2key_dec( des3_context *ctx, const unsigned char key[] )
 {
     unsigned long sk[];

     des3_set2key( sk, ctx->sk, key );
     memset( sk,  , sizeof( sk ) );
 }

 static void des3_set3key( unsigned long esk[],
                           unsigned long dsk[],
                           const unsigned char key[] )
 {
     int i;

     des_setkey( esk, key );
     des_setkey( dsk + , key +   );
     des_setkey( esk + , key +  );

     for( i = ; i < ; i +=  )
     {
         dsk[i     ] = esk[ - i];
         dsk[i +  ] = esk[ - i];

         esk[i + ] = dsk[ - i];
         esk[i + ] = dsk[ - i];

         dsk[i + ] = esk[ - i];
         dsk[i + ] = esk[ - i];
     }
 }

 /*
  * Triple-DES key schedule (168-bit, encryption)
  */
 void des3_set3key_enc( des3_context *ctx, const unsigned char key[] )
 {
     unsigned long sk[];

     des3_set3key( ctx->sk, sk, key );
     memset( sk, , sizeof( sk ) );
 }

 /*
  * Triple-DES key schedule (168-bit, decryption)
  */
 void des3_set3key_dec( des3_context *ctx, const unsigned char key[] )
 {
     unsigned long sk[];

     des3_set3key( sk, ctx->sk, key );
     memset( sk, , sizeof( sk ) );
 }

 /*
  * DES-ECB block encryption/decryption
  */
 int des_crypt_ecb( des_context *ctx,
                     const unsigned char input[],
                     unsigned char output[] )
 {
     int i;
     unsigned long X, Y, T, *SK;

     SK = ctx->sk;

     GET_ULONG_BE( X, input,  );
     GET_ULONG_BE( Y, input,  );

     DES_IP( X, Y );

     for( i = ; i < ; i++ )
     {
         DES_ROUND( Y, X );
         DES_ROUND( X, Y );
     }

     DES_FP( Y, X );

     PUT_ULONG_BE( Y, output,  );
     PUT_ULONG_BE( X, output,  );

     return(  );
 }

 /*
  * DES-CBC buffer encryption/decryption
  */
 int des_crypt_cbc( des_context *ctx,
                     int mode,
                     int length,
                     unsigned char iv[],
                     const unsigned char *input,
                     unsigned char *output )
 {
     int i;
     unsigned char temp[];

     if( length %  )
         return( POLARSSL_ERR_DES_INVALID_INPUT_LENGTH );

     if( mode == DES_ENCRYPT )
     {
         while( length >  )
         {
             for( i = ; i < ; i++ )
                 output[i] = (unsigned char)( input[i] ^ iv[i] );

             des_crypt_ecb( ctx, output, output );
             memcpy( iv, output,  );

             input  += ;
             output += ;
             length -= ;
         }
     }
     else /* DES_DECRYPT */
     {
         while( length >  )
         {
             memcpy( temp, input,  );
             des_crypt_ecb( ctx, input, output );

             for( i = ; i < ; i++ )
                 output[i] = (unsigned char)( output[i] ^ iv[i] );

             memcpy( iv, temp,  );

             input  += ;
             output += ;
             length -= ;
         }
     }

     return(  );
 }

 /*
  * 3DES-ECB block encryption/decryption
  */
 int des3_crypt_ecb( des3_context *ctx,
                      const unsigned char input[],
                      unsigned char output[] )
 {
     int i;
     unsigned long X, Y, T, *SK;

     SK = ctx->sk;

     GET_ULONG_BE( X, input,  );
     GET_ULONG_BE( Y, input,  );

     DES_IP( X, Y );

     for( i = ; i < ; i++ )
     {
         DES_ROUND( Y, X );
         DES_ROUND( X, Y );
     }

     for( i = ; i < ; i++ )
     {
         DES_ROUND( X, Y );
         DES_ROUND( Y, X );
     }

     for( i = ; i < ; i++ )
     {
         DES_ROUND( Y, X );
         DES_ROUND( X, Y );
     }

     DES_FP( Y, X );

     PUT_ULONG_BE( Y, output,  );
     PUT_ULONG_BE( X, output,  );

     return(  );
 }

 /*
  * 3DES-CBC buffer encryption/decryption
  */
 int des3_crypt_cbc( des3_context *ctx,
                      int mode,
                      int length,
                      unsigned char iv[],
                      const unsigned char *input,
                      unsigned char *output )
 {
     int i;
     unsigned char temp[];

     if( length %  )
         return( POLARSSL_ERR_DES_INVALID_INPUT_LENGTH );

     if( mode == DES_ENCRYPT )
     {
         while( length >  )
         {
             for( i = ; i < ; i++ )
                 output[i] = (unsigned char)( input[i] ^ iv[i] );

             des3_crypt_ecb( ctx, output, output );
             memcpy( iv, output,  );

             input  += ;
             output += ;
             length -= ;
         }
     }
     else /* DES_DECRYPT */
     {
         while( length >  )
         {
             memcpy( temp, input,  );
             des3_crypt_ecb( ctx, input, output );

             for( i = ; i < ; i++ )
                 output[i] = (unsigned char)( output[i] ^ iv[i] );

             memcpy( iv, temp,  );

             input  += ;
             output += ;
             length -= ;
         }
     }

     return(  );
 }

 #if defined(POLARSSL_SELF_TEST)

 #include <stdio.h>

 /*
  * DES and 3DES test vectors from:

  */
 static const unsigned char des3_test_keys[] =
 {
     0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
     0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01,
     0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23
 };

 static const unsigned char des3_test_iv[] =
 {
     0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF,
 };

 static const unsigned char des3_test_buf[] =
 {
     0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74
 };

 static const unsigned char des3_test_ecb_dec[][] =
 {
     { 0xCD, 0xD6, 0x4F, 0x2F, 0x94, 0x27, 0xC1, 0x5D },
     { 0x69, 0x96, 0xC8, 0xFA, 0x47, 0xA2, 0xAB, 0xEB },
     { 0x83, 0x25, 0x39, 0x76, 0x44, 0x09, 0x1A, 0x0A }
 };

 static const unsigned char des3_test_ecb_enc[][] =
 {
     { 0x6A, 0x2A, 0x19, 0xF4, 0x1E, 0xCA, 0x85, 0x4B },
     { 0x03, 0xE6, 0x9F, 0x5B, 0xFA, 0x58, 0xEB, 0x42 },
     { 0xDD, 0x17, 0xE8, 0xB8, 0xB4, 0x37, 0xD2, 0x32 }
 };

 static const unsigned char des3_test_cbc_dec[][] =
 {
     { 0x12, 0x9F, 0x40, 0xB9, 0xD2, 0x00, 0x56, 0xB3 },
     { 0x47, 0x0E, 0xFC, 0x9A, 0x6B, 0x8E, 0xE3, 0x93 },
     { 0xC5, 0xCE, 0xCF, 0x63, 0xEC, 0xEC, 0x51, 0x4C }
 };

 static const unsigned char des3_test_cbc_enc[][] =
 {
     { 0x54, 0xF1, 0x5A, 0xF6, 0xEB, 0xE3, 0xA4, 0xB4 },
     { 0x35, 0x76, 0x11, 0x56, 0x5F, 0xA1, 0x8E, 0x4D },
     { 0xCB, 0x19, 0x1F, 0x85, 0xD1, 0xED, 0x84, 0x39 }
 };

 /*
  * Checkup routine
  */
 int des_self_test( int verbose )
 {
     int i, j, u, v;
     des_context ctx;
     des3_context ctx3;
     unsigned char key[];
     unsigned char buf[];
     unsigned char prv[];
     unsigned char iv[];

     memset( key, ,  );

     /*
      * ECB mode
      */
     for( i = ; i < ; i++ )
     {
         u = i >> ;
         v = i  & ;

         if( verbose !=  )
             printf( "  DES%c-ECB-%3d (%s): ",
                     ( u ==  ) ? ' ' : '',  + u * ,
                     ( v == DES_DECRYPT ) ? "dec" : "enc" );

         memcpy( buf, des3_test_buf,  );

         switch( i )
         {
         case :
             des_setkey_dec( &ctx, (unsigned char *) des3_test_keys );
             break;

         case :
             des_setkey_enc( &ctx, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set2key_dec( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set2key_enc( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set3key_dec( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set3key_enc( &ctx3, (unsigned char *) des3_test_keys );
             break;

         default:
             return(  );
         }

         for( j = ; j < ; j++ )
         {
             if( u ==  )
                 des_crypt_ecb( &ctx, buf, buf );
             else
                 des3_crypt_ecb( &ctx3, buf, buf );
         }

         if( ( v == DES_DECRYPT &&
                 memcmp( buf, des3_test_ecb_dec[u],  ) !=  ) ||
             ( v != DES_DECRYPT &&
                 memcmp( buf, des3_test_ecb_enc[u],  ) !=  ) )
         {
             if( verbose !=  )
                 printf( "failed\n" );

             return(  );
         }

         if( verbose !=  )
             printf( "passed\n" );
     }

     if( verbose !=  )
         printf( "\n" );

     /*
      * CBC mode
      */
     for( i = ; i < ; i++ )
     {
         u = i >> ;
         v = i  & ;

         if( verbose !=  )
             printf( "  DES%c-CBC-%3d (%s): ",
                     ( u ==  ) ? ' ' : '',  + u * ,
                     ( v == DES_DECRYPT ) ? "dec" : "enc" );

         memcpy( iv,  des3_test_iv,   );
         memcpy( prv, des3_test_iv,   );
         memcpy( buf, des3_test_buf,  );

         switch( i )
         {
         case :
             des_setkey_dec( &ctx, (unsigned char *) des3_test_keys );
             break;

         case :
             des_setkey_enc( &ctx, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set2key_dec( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set2key_enc( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set3key_dec( &ctx3, (unsigned char *) des3_test_keys );
             break;

         case :
             des3_set3key_enc( &ctx3, (unsigned char *) des3_test_keys );
             break;

         default:
             return(  );
         }

         if( v == DES_DECRYPT )
         {
             for( j = ; j < ; j++ )
             {
                 if( u ==  )
                     des_crypt_cbc( &ctx, v, , iv, buf, buf );
                 else
                     des3_crypt_cbc( &ctx3, v, , iv, buf, buf );
             }
         }
         else
         {
             for( j = ; j < ; j++ )
             {
                 unsigned char tmp[];

                 if( u ==  )
                     des_crypt_cbc( &ctx, v, , iv, buf, buf );
                 else
                     des3_crypt_cbc( &ctx3, v, , iv, buf, buf );

                 memcpy( tmp, prv,  );
                 memcpy( prv, buf,  );
                 memcpy( buf, tmp,  );
             }

             memcpy( buf, prv,  );
         }

         if( ( v == DES_DECRYPT &&
                 memcmp( buf, des3_test_cbc_dec[u],  ) !=  ) ||
             ( v != DES_DECRYPT &&
                 memcmp( buf, des3_test_cbc_enc[u],  ) !=  ) )
         {
             if( verbose !=  )
                 printf( "failed\n" );

             return(  );
         }

         if( verbose !=  )
             printf( "passed\n" );
     }

     if( verbose !=  )
         printf( "\n" );

     return(  );
 }

 #endif

 #endif
 /*里面包含加密  解密    des    DES3    */
 /*
 int for_encrypt_des3(char *data, unsigned int len)
 {
     int i, j;
     unsigned char buf[BUFSIZE];
     unsigned long tsc;
       unsigned char tmp[64];
     FILE *fp;

     des3_context des3;

 //    des_context des;

     des_setkey_enc( &des, tmp);
         set_alarm( 1 );
         for(i=1; !alarmed; i++)  des_crypt_cbc( &des, DES_ENCRYPT, BUFSIZE, tmp, buf, buf );
         tsc = hardclock();
         for(j=0; j<1024; j++)    des_crypt_cbc( &des, DES_ENCRYPT, BUFSIZE, tmp, buf, buf );
         printf("DES  speed: %9lu Kb/s,  %9lu cycles/byte\n", i*BUFSIZE /1024,  (hardclock()-tsc)/(j*BUFSIZE));

     des3_set3key_enc( &des3, tmp );
     set_alarm( 1 );
     for(i=1; !alarmed; i++)  des3_crypt_cbc( &des3, DES_ENCRYPT, BUFSIZE, tmp, buf, buf );
     tsc = hardclock();
     for(j=0; j<1024; j++)    des3_crypt_cbc( &des3, DES_ENCRYPT, BUFSIZE, tmp, buf, buf );

     DO_LOG("DES3 speed: %9lu Kb/s,  %9lu cycles/byte\n", i*BUFSIZE/1024, (hardclock()-tsc)/(j*BUFSIZE));

     memset(tmp, 0, sizeof(tmp)); strcpy(tmp, "01234567abcdefgh");
     memset(buf, 0, sizeof(buf)); strncpy(buf, data,len);
     des3_set3key_enc( &des3, tmp);
     DO_LOG("DES3 pwd=%s, txt=%s\n", tmp, buf);
     des3_crypt_cbc(&des3, DES_ENCRYPT, 32768, tmp, buf, buf );
     DO_LOG("encrypt txt=%s\n",buf);
     fp = fopen("/D1", "wb");
         if(fp!=NULL)
         {
             fprintf(fp,"%s",buf);
             fclose(fp);
         }

 memset(tmp, 0, sizeof(tmp)); strcpy(tmp, "01234567abcdefgh");
     des3_set3key_dec(&des3, tmp);
     des3_crypt_cbc(&des3, DES_DECRYPT, 32768, tmp, buf, buf );
     //DO_LOG("decrypt txt=  %s\n",buf);

     memset(tmp, 0, sizeof(tmp)); strcpy(tmp, "01234567abcdefgh");
     des_setkey_dec(&des, tmp);
     des_crypt_cbc(&des, DES_DECRYPT, 32768, tmp, buf, buf );
     fp = fopen("/D2", "wb");
         if(fp!=NULL)
         {
             fprintf(fp,"%s",buf);
             fclose(fp);
         }
     return 0;
 }
 */
 int hexcharToInt(char c)
 {
     if (c >= '' && c <= '') return (c - '');
     if (c >= 'A' && c <= 'F') return (c - 'A' + );
     if (c >= 'a' && c <= 'f') return (c - 'a' + );
     return ;
 }

 void hexstringToBytes(char* hexstring,char* bytes,int hexlength)
 {
     int i= ;
     //cout<<"length is :"<<sizeof(hexstring)/sizeof(char)<<endl;
     for (i= ; i <hexlength ; i+=)
         {
         bytes[i/] = (char) ((hexcharToInt(hexstring[i]) << )| hexcharToInt(hexstring[i+]));
     }
 }

 void for_decode_des3(unsigned char *data, unsigned int len)//解密
 {
     char buf[];
       unsigned char tmp[];
     des3_context des3;
     memset(buf, , );
     hexstringToBytes((char *)data, buf, );
     memset(data,,);
     strncpy((char*)data,buf,strlen(buf));

     memset(tmp, , sizeof(tmp)); strcpy((char*)tmp, "JDWA2003");
     des3_set3key_dec(&des3, tmp);
     des3_crypt_cbc(&des3, DES_DECRYPT, , tmp, data,data);
 }