88 KB include stdio include string include openssl aes int main unsign

  • Anonymous
  • Text only
  • 05 Apr 2019 
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1.88 KB



#include <stdio.h>



#include <string.h>



#include <openssl/aes.h>



int main()



{



    unsigned char req_num[12] = "514685077602";



    unsigned long longInt = 190550043697;



    unsigned char local_84[12];



    unsigned char aes_user_key [16];



    unsigned char aes_iv [16];



    unsigned long long req_num_encrypted;



    //undefined4 uStack80;



    unsigned char formatted_req_num_encrypted [12];



    int operation_amount = 5000;



    AES_KEY aes_key;



 



    void print_hex_memory(void *mem) {



      int i;



      unsigned char *p = (unsigned char *)mem;



      for (i=0;i<8;i++) {



        printf("%02X ", p[i]);



        if ((i%16==0) && i)



          printf("\n");



      }



      printf("\n");



    }



 



    unsigned char byteArray[8];



    memset(byteArray, 0, 8);



    byteArray[0] = (char)(longInt & 0xFF );



    byteArray[1] = (char)(longInt >> 8 & 0xFF );



    byteArray[2] = (char)(longInt >> 16 & 0xFF );



    byteArray[3] = (char)(longInt >> 24 & 0xFF );



    byteArray[4] = (char)(longInt >> 32 & 0xFF );



    byteArray[5] = (char)(longInt >> 40 & 0xFF );



    byteArray[6] = (char)(longInt >> 48 & 0xFF );



    byteArray[7] = (char)(longInt >> 56 & 0xFF );



 



    memset(aes_user_key,0,0x10);



    memset(aes_iv,0,0x10);



    strcpy((char *)aes_user_key,"cityManageoffer");



    sprintf((char *)aes_iv,"initvector_%d",operation_amount);



    AES_set_encrypt_key(aes_user_key,0x80,&aes_key);



    memset(&req_num_encrypted,0,0x10);



    AES_cbc_encrypt(byteArray,(unsigned char *)&req_num_encrypted,8,&aes_key,aes_iv,1);



    print_hex_memory(&byteArray);



    printf("up: byteArray\n");



    print_hex_memory((unsigned char *)&req_num_encrypted);



    printf("%llu\n", req_num_encrypted);



    sprintf((char *)&formatted_req_num_encrypted,"%llu",req_num_encrypted); //uStack80);



    memset(&local_84,0,0xd);



    strcpy(local_84, formatted_req_num_encrypted);



    printf("%s\n", (char *)&local_84);



}
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