#include <stdio.h> #include <sys/time.h> #include <unistd.h> #include "des.h" main () { des_key_schedule k; unsigned char in[1024*1024]; unsigned char out[1024*1024]; unsigned char ivec[8]; int i; struct timeval tv; double t1,t2; des_set_key("abcdefgh",k); /* CBC TEST */ for (i=0; i<8; i++) ivec[i] = 0; for (i=0; i<1024*1024; i++) in[i] = ' '; gettimeofday(&tv, NULL); t1 = tv.tv_sec + tv.tv_usec * 1E-6; des_cbc_encrypt(in, out, 1024*1024, k, ivec, 1); gettimeofday(&tv, NULL); t2 = tv.tv_sec + tv.tv_usec * 1E-6; printf("%f\n", t2-t1); }