/**
 ****************************************************************************************
 * *
 * @file aes.c
 *
 * @brief Definition file for AES crypto module functions
 *
 * Copyright (C) RivieraWaves 2017-2018
 *
 ****************************************************************************************
 */

#include "aes.h"

#if (RWIP_AES_ENCRYPT)
#define USE_AES_ENCRYPT 0
#define USE_AES_DECRYPT 1

#if USE_AES_ENCRYPT    
    uint8_t key[16]={0x10,0x0f,0x0e,0x0d,0x0c,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x0d,0x0c,0x0b};
    uint8_t src_val[16]={0x0a,0x0a,0x0e,0x0d,0x0c,0x0b,0x0a,0x13,0x12,0x07,0x06,0x05,0x04,0x0d,0x02,0x01};
    uint8_t encrypt_val[16]={0xf7,0x3b,0x9a,0xe6,0x88,0xb0,0x06,0x3e,0x10,0xd4,0x0f,0xb6,0x80,0x4a,0x10,0xee};
#elif USE_AES_DECRYPT
    uint8_t key[16]={0x10,0x0f,0x0e,0x0d,0x0c,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x0d,0x0c,0x0b};
    uint8_t src_val[16]={0xf7,0x3b,0x9a,0xe6,0x88,0xb0,0x06,0x3e,0x10,0xd4,0x0f,0xb6,0x80,0x4a,0x10,0xee};
    uint8_t encrypt_val[16]={0x0a,0x0a,0x0e,0x0d,0x0c,0x0b,0x0a,0x13,0x12,0x07,0x06,0x05,0x04,0x0d,0x02,0x01};
#endif    

aes_func_result_cb aes_res(uint8_t status, const uint8_t* aes_res_data, uint32_t src_info)
{
    printf("src_info:0x%x\n",src_info);
    printf("aes_res:");
    for(int i=0;i<16;i++){
        printf("%02x-",aes_res_data[i]);
    }printf("\n");
    
    if(!memcmp(aes_res_data,encrypt_val,sizeof(encrypt_val))){
        printf("aes right\n");  
    }else{
        printf("aes error\n");  
    }
}

void aes_test(void)
{
    uint8_t copy=0;   
    static uint8_t cnt;
    
    if(xc_gpio_read_pin(GPIO_1) == GPIO_PIN_SET){
        if(cnt++ > 100){
            cnt = 0;
#if USE_AES_ENCRYPT
            printf("aes_encrypt\n");
            aes_encrypt(key, src_val, 1, aes_res, 0xff);
#elif USE_AES_DECRYPT
            printf("aes_decrypt\n");            
            aes_decrypt(key, src_val, copy, aes_res, 0xff);  
#endif            
        }
    }else{
        cnt = 0;
    }
    

}
#endif