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iPDC-suite
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UPDATED attack detect function

This commit is contained in:
pavanvpatil 2022-09-24 23:36:34 +05:30
parent 1edf6729e2
commit 50dc610c43
3 changed files with 47 additions and 46 deletions
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29
iPDC/Attack_detect.c
View File

@ -1,30 +1 @@
#include "Attack_detect.h"
#include "parser.h"
/* pavan changes */
void attack_detect(struct data_frame *df,clock_t START)
{
float CURR_FREQ=to_intconvertor(df->dpmu[0]->freq);
SUM_OF_FREQUENCY+=CURR_FREQ;
COUNT=0;
float FREQ_AVG=SUM_OF_FREQUENCY/(COUNT*1.0f);
float DETECT_PERCENT=(abs(FREQ_AVG-CURR_FREQ)/(FREQ_AVG*1.0f))*100;
double END = clock();
printf("Detect_percent: %f\n",DETECT_PERCENT);
if(DETECT_PERCENT>THRESHOLD)
printf("ATTACK DETECTED\n");
else
printf("NO PROBLEM\n");
cpu_time_used = ((double) (END - START)) / CLOCKS_PER_SEC;
if(cpu_time_used > 10)
{
START = 0;
SUM_OF_FREQUENCY=CURR_FREQ;
COUNT=1;
}
}
/* pavan changes */

14
iPDC/Attack_detect.h
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@ -1,14 +0,0 @@
/* pavan changes */
#include <time.h>
/* variables declared */
float SUM_OF_FREQUENCY=0;
float COUNT=0;
float THRESHOLD=25;
double cpu_time_used;
/* functions declared */
void attack_detect(struct data_frame *df,clock_t START);
/* pavan changes */

50
iPDC/parser.c
View File

@ -72,6 +72,52 @@
/* also in the file `cfg.bin` by calling */
/* ---------------------------------------------------------------------------- */
/* pavan changes */
/* variables declared */
float SUM_OF_FREQUENCY=0;
float COUNT=0;
float THRESHOLD=25;
double time_used;
time_t START;
void attack_detect(struct data_frame *df)
{
COUNT++;
float CURR_FREQ=to_intconvertor(df->dpmu[0]->freq);
SUM_OF_FREQUENCY+=CURR_FREQ;
float FREQ_AVG=SUM_OF_FREQUENCY/(COUNT*1.0f);
float DETECT_PERCENT=(abs(FREQ_AVG-CURR_FREQ)/(FREQ_AVG*1.0f))*100;
printf("Detect_percent: %f\n",DETECT_PERCENT);
printf("frequency average: %f\n",FREQ_AVG);
if(DETECT_PERCENT>THRESHOLD)
printf("ATTACK DETECTED\n");
else
printf("NO PROBLEM\n");
if(COUNT==1)
time(&START);
time_t END;
time(&END);
time_used = difftime(END,START);
printf("time used %lf\n",time_used);
if(time_used > 60)
{
time(&START);
SUM_OF_FREQUENCY=CURR_FREQ;
COUNT=1;
}
}
/* pavan changes */
void cfgparser(unsigned char st[]){
unsigned char *s;
@ -1273,9 +1319,7 @@ int dataparser(unsigned char data[]) {
}
/*pavan changes*/
//#include "Attack_detect.h"
//clock_t START = clock();
//attack_detect(df,START);
attack_detect(df);
/*pavan changes*/
// temp code