#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <CommonCrypto/CommonDigest.h>
#include "cputime.h"
#include "common.h"
static void usage(char **argv)
{
printf("Usage: %s bytecount [q(uiet)]\n", argv[0]);
exit(1);
}
#define BUFSIZE (8 * 1024)
int main(int argc, char **argv)
{
bool quiet = false;
unsigned byteCount;
if(argc < 2) {
usage(argv);
}
byteCount = atoi(argv[1]);
for(int arg=2; arg<argc; arg++) {
switch(argv[arg][0]) {
case 'q':
quiet = true;
break;
default:
usage(argv);
}
}
unsigned char *text = (unsigned char *)malloc(BUFSIZE);
appGetRandomBytes(text, BUFSIZE);
unsigned toMove = byteCount;
unsigned thisMove;
CPUTime startTime;
double timeSpentMs;
if(!quiet) {
printf("...testing SHA1\n");
}
CC_SHA1_CTX ctx1;
unsigned char dig1[CC_SHA1_DIGEST_LENGTH];
CC_SHA1_Init(&ctx1);
startTime = CPUTimeRead();
do {
if(toMove > BUFSIZE) {
thisMove = BUFSIZE;
}
else {
thisMove = toMove;
}
toMove -= thisMove;
CC_SHA1_Update(&ctx1, text, thisMove);
} while(toMove);
CC_SHA1_Final(dig1, &ctx1);
timeSpentMs = CPUTimeDeltaMs(startTime, CPUTimeRead());
printf("SHA1: Digest %u bytes : %.2f ms\n", byteCount, timeSpentMs);
if(!quiet) {
printf("...testing SHA256\n");
}
CC_SHA256_CTX ctx256;
unsigned char dig256[CC_SHA256_DIGEST_LENGTH];
toMove = byteCount;
CC_SHA256_Init(&ctx256);
startTime = CPUTimeRead();
do {
if(toMove > BUFSIZE) {
thisMove = BUFSIZE;
}
else {
thisMove = toMove;
}
toMove -= thisMove;
CC_SHA256_Update(&ctx256, text, thisMove);
} while(toMove);
CC_SHA256_Final(dig256, &ctx256);
timeSpentMs = CPUTimeDeltaMs(startTime, CPUTimeRead());
printf("SHA256: Digest %u bytes : %.2f ms\n", byteCount, timeSpentMs);
if(!quiet) {
printf("...testing SHA512\n");
}
CC_SHA512_CTX ctx512;
unsigned char dig512[CC_SHA512_DIGEST_LENGTH];
toMove = byteCount;
CC_SHA512_Init(&ctx512);
startTime = CPUTimeRead();
do {
if(toMove > BUFSIZE) {
thisMove = BUFSIZE;
}
else {
thisMove = toMove;
}
toMove -= thisMove;
CC_SHA512_Update(&ctx512, text, thisMove);
} while(toMove);
CC_SHA512_Final(dig512, &ctx512);
timeSpentMs = CPUTimeDeltaMs(startTime, CPUTimeRead());
printf("SHA512: Digest %u bytes : %.2f ms\n", byteCount, timeSpentMs);
return 0;
}