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