C++ (Cpp) AES_SetVector示例

示例#1

文件： aes_hardware.c 项目： BackupTheBerlios/freemodbus

void aes_hard_init_CTR(void) 
{
    unsigned char key[16];
    unsigned char IV[16];
  
    TRACE_DEBUG("aes_hard_init_CTR\n\r");

    // Activate peripheral clock
#ifdef AT91C_ID_AES
    PMC_EnablePeripheral( AT91C_ID_AES );
#elif AT91C_ID_AESTDES
    PMC_EnablePeripheral( AT91C_ID_AESTDES );
#elif AT91C_ID_TDES
    PMC_EnablePeripheral( AT91C_ID_TDES );
#else
#error AES undefined
#endif

    // Load mode
    AT91C_BASE_AES->AES_MR = AT91C_AES_SMOD_PDC | AT91C_AES_OPMOD_CTR;
  
    // Convert and load key
    ASCII2Hex((unsigned char*)ENCRYPTION_KEY, key, ENCRYPTION_KEY_LENGTH);

    AES_SetKey((unsigned int*)key);

    // Convert and load IV
    ASCII2Hex((unsigned char*)ENCRYPTION_IV, IV, ENCRYPTION_BLOCK_LENGTH);

    AES_SetVector((unsigned int*)IV);
}

示例#2

文件： aes_hardware.c 项目： BackupTheBerlios/freemodbus

void aes_hard_init(void) 
{
    unsigned char key[16];

#if defined(ENCRYPTION_CTR) || defined(ENCRYPTION_CBC)
    unsigned char IV[16];
#endif
  
    TRACE_DEBUG("AES/HARD: Initializing ...\n\r");

    // Activate peripheral clock
#ifdef AT91C_ID_AES
    PMC_EnablePeripheral( AT91C_ID_AES );
#elif AT91C_ID_AESTDES
    PMC_EnablePeripheral( AT91C_ID_AESTDES );
#elif AT91C_ID_TDES
    PMC_EnablePeripheral( AT91C_ID_TDES );
#else
#error AES undefined
#endif

    // Load mode
#if defined(ENCRYPTION_ECB)
    //AES_Configure(AT91C_AES_CIPHER, AT91C_AES_SMOD_PDC, AT91C_AES_OPMOD_ECB);

    AT91C_BASE_AES->AES_MR = AT91C_AES_SMOD_PDC | AT91C_AES_OPMOD_ECB;
#elif defined(ENCRYPTION_CBC)
    AT91C_BASE_AES->AES_MR = AT91C_AES_SMOD_PDC | AT91C_AES_OPMOD_CBC;
#elif defined(ENCRYPTION_CTR)
    AT91C_BASE_AES->AES_MR = AT91C_AES_SMOD_PDC | AT91C_AES_OPMOD_CTR;
#endif
  
    // Convert and load key
    ASCII2Hex((unsigned char*)ENCRYPTION_KEY, key, ENCRYPTION_KEY_LENGTH);

    AES_SetKey((unsigned int*)key);

    // Convert and load IV
#if defined(ENCRYPTION_CTR) || defined(ENCRYPTION_CBC)
    ASCII2Hex((unsigned char*)ENCRYPTION_IV, IV, ENCRYPTION_BLOCK_LENGTH);

    AES_SetVector((unsigned int*)IV);
#endif

    TRACE_DEBUG("AES/HARD: Initialization done.\n\r");
}

示例#3

文件： aes_hardware.c 项目： Flyagin/BS-MRZV

void aes_hard_init_CBC(void) 
{
    unsigned char key[ENCRYPTION_KEY_LENGTH];
    unsigned char IV[ENCRYPTION_BLOCK_LENGTH];
  
    TRACE_DEBUG("aes_hard_init_CBC\n\r");

    // Activate peripheral clock
#ifdef AT91C_ID_AES
    PMC_EnablePeripheral( AT91C_ID_AES );
#elif AT91C_ID_AESTDES
    PMC_EnablePeripheral( AT91C_ID_AESTDES );
#elif AT91C_ID_TDES
    PMC_EnablePeripheral( AT91C_ID_TDES );
#else
#error AES undefined
#endif

    // Load mode
    AT91C_BASE_AES->AES_MR = AT91C_AES_SMOD_PDC   // PDC Mode
#if (ENCRYPTION_KEY_LENGTH == 32)
                           | AT91C_AES_KEYSIZE_256_BIT
#endif
#if (ENCRYPTION_KEY_LENGTH == 24)
                           | AT91C_AES_KEYSIZE_192_BIT
#endif
                           | AT91C_AES_OPMOD_CBC; // Cipher Block Chaining mode
  
    // Convert and load key
    ASCII2Hex((unsigned char*)ENCRYPTION_KEY, key, ENCRYPTION_KEY_LENGTH);

    AES_SetKey((unsigned int*)key, ENCRYPTION_KEY_LENGTH);

    // Convert and load IV
    ASCII2Hex((unsigned char*)ENCRYPTION_IV, IV, ENCRYPTION_BLOCK_LENGTH);

    AES_SetVector((unsigned int*)IV);
}