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#include <stdlib.h>
#include "randombytes.h"
#include "cpucycles.h"
#include "crypto_sign.h"
extern void printentry(long long,const char *,long long *,long long);
extern unsigned char *alignedcalloc(unsigned long long);
extern const char *primitiveimplementation;
extern const char *implementationversion;
extern const char *sizenames[];
extern const long long sizes[];
extern void allocate(void);
extern void measure(void);
const char *primitiveimplementation = crypto_sign_IMPLEMENTATION;
const char *implementationversion = crypto_sign_VERSION;
const char *sizenames[] = { "outputbytes", "publickeybytes", "secretkeybytes", 0 };
const long long sizes[] = { crypto_sign_BYTES, crypto_sign_PUBLICKEYBYTES, crypto_sign_SECRETKEYBYTES };
#define MAXTEST_BYTES 100000
static unsigned char *pk;
static unsigned char *sk;
static unsigned char *m; unsigned long long mlen;
static unsigned char *sm; unsigned long long smlen;
static unsigned char *t; unsigned long long tlen;
void preallocate(void)
{
#ifdef RAND_R_PRNG_NOT_SEEDED
RAND_status();
#endif
}
void allocate(void)
{
pk = alignedcalloc(crypto_sign_PUBLICKEYBYTES);
sk = alignedcalloc(crypto_sign_SECRETKEYBYTES);
m = alignedcalloc(MAXTEST_BYTES + crypto_sign_BYTES);
sm = alignedcalloc(MAXTEST_BYTES + crypto_sign_BYTES);
t = alignedcalloc(MAXTEST_BYTES + crypto_sign_BYTES);
}
#define TIMINGS 31
static long long cycles[TIMINGS + 1];
static long long bytes[TIMINGS + 1];
void measure(void)
{
int i;
int loop;
for (loop = 0;loop < LOOPS;++loop) {
for (i = 0;i <= TIMINGS;++i) {
cycles[i] = cpucycles();
crypto_sign_keypair(pk,sk);
}
for (i = 0;i < TIMINGS;++i) cycles[i] = cycles[i + 1] - cycles[i];
printentry(-1,"keypair_cycles",cycles,TIMINGS);
for (mlen = 0;mlen <= MAXTEST_BYTES;mlen += 1 + mlen / 4) {
randombytes(m,mlen);
for (i = 0;i <= TIMINGS;++i) {
cycles[i] = cpucycles();
bytes[i] = crypto_sign(sm,&smlen,m,mlen,sk);
if (bytes[i] == 0) bytes[i] = smlen;
}
for (i = 0;i < TIMINGS;++i) cycles[i] = cycles[i + 1] - cycles[i];
printentry(mlen,"cycles",cycles,TIMINGS);
printentry(mlen,"bytes",bytes,TIMINGS);
for (i = 0;i <= TIMINGS;++i) {
cycles[i] = cpucycles();
bytes[i] = crypto_sign_open(t,&tlen,sm,smlen,pk);
if (bytes[i] == 0) bytes[i] = tlen;
}
for (i = 0;i < TIMINGS;++i) cycles[i] = cycles[i + 1] - cycles[i];
printentry(mlen,"open_cycles",cycles,TIMINGS);
printentry(mlen,"open_bytes",bytes,TIMINGS);
}
}
}
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