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|
/* ----- sign/ed25519, derived from supercop/crypto_sign/try.c */
/*
derived from djb work from lib25519/libntruprime
mj modifications:
- rename files to test-crypto.c and _crypto_<>.<>.inc
- fix compiler warnings
- include crypto.h
- use less rounds for valgrind test
- reformat using clang-format
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "crypto.h"
#define fail ((ok = 0), printf)
static const char *sign_ed25519_checksums[] = {
"ce11fd7c1eac4dd0bc5eec49b26ad1e91aef696fae50ce377dbd806dc394da01",
"2ed857f17c917a8185e6c296303a11772ae45683a5e7cb5b095489bad65fffde",
};
static int (*crypto_sign_keypair)(unsigned char *, unsigned char *);
static int (*crypto_sign)(unsigned char *, unsigned long long *,
const unsigned char *, unsigned long long,
const unsigned char *);
static int (*crypto_sign_open)(unsigned char *, unsigned long long *,
const unsigned char *, unsigned long long,
const unsigned char *);
#define crypto_sign_SECRETKEYBYTES crypto_sign_ed25519_SECRETKEYBYTES
#define crypto_sign_PUBLICKEYBYTES crypto_sign_ed25519_PUBLICKEYBYTES
#define crypto_sign_BYTES crypto_sign_ed25519_BYTES
static void *storage_sign_ed25519_p;
static unsigned char *test_sign_ed25519_p;
static void *storage_sign_ed25519_s;
static unsigned char *test_sign_ed25519_s;
static void *storage_sign_ed25519_m;
static unsigned char *test_sign_ed25519_m;
static void *storage_sign_ed25519_c;
static unsigned char *test_sign_ed25519_c;
static void *storage_sign_ed25519_t;
static unsigned char *test_sign_ed25519_t;
static void *storage_sign_ed25519_p2;
static unsigned char *test_sign_ed25519_p2;
static void *storage_sign_ed25519_s2;
static unsigned char *test_sign_ed25519_s2;
static void *storage_sign_ed25519_m2;
static unsigned char *test_sign_ed25519_m2;
static void *storage_sign_ed25519_c2;
static unsigned char *test_sign_ed25519_c2;
static void *storage_sign_ed25519_t2;
static unsigned char *test_sign_ed25519_t2;
static void test_sign_ed25519_impl(long long impl) {
unsigned char *p = test_sign_ed25519_p;
unsigned char *s = test_sign_ed25519_s;
unsigned char *m = test_sign_ed25519_m;
unsigned char *c = test_sign_ed25519_c;
unsigned char *t = test_sign_ed25519_t;
unsigned char *p2 = test_sign_ed25519_p2;
unsigned char *s2 = test_sign_ed25519_s2;
unsigned char *m2 = test_sign_ed25519_m2;
unsigned char *c2 = test_sign_ed25519_c2;
unsigned char *t2 = test_sign_ed25519_t2;
unsigned long long plen = crypto_sign_PUBLICKEYBYTES;
unsigned long long slen = crypto_sign_SECRETKEYBYTES;
unsigned long long mlen;
unsigned long long clen;
unsigned long long tlen;
if (targetn && atol(targetn) != impl) return;
crypto_sign_keypair = crypto_sign_ed25519_keypair;
crypto_sign = crypto_sign_ed25519;
crypto_sign_open = crypto_sign_ed25519_open;
for (long long checksumbig = 0; checksumbig < 2; ++checksumbig) {
long long loops = checksumbig ? 64 : 8;
long long maxtest = checksumbig ? 4096 : 128;
if (checksumbig && valgrind) break;
checksum_clear();
for (long long loop = 0; loop < loops; ++loop) {
int result;
mlen = myrandom() % (maxtest + 1);
output_prepare(p2, p, plen);
output_prepare(s2, s, slen);
crypto_sign_keypair(p, s);
public(p, plen);
public(s, slen);
checksum(p, plen);
checksum(s, slen);
output_compare(p2, p, plen, "crypto_sign_keypair");
output_compare(s2, s, slen, "crypto_sign_keypair");
clen = mlen + crypto_sign_BYTES;
output_prepare(c2, c, clen);
input_prepare(m2, m, mlen);
memcpy(s2, s, slen);
double_canary(s2, s, slen);
secret(m, mlen);
secret(s, slen);
crypto_sign(c, &clen, m, mlen, s);
public(m, mlen);
public(s, slen);
public(c, clen);
if (clen < mlen)
fail(
"failure: crypto_sign returns smaller output than input\n");
if (clen > mlen + crypto_sign_BYTES)
fail("failure: crypto_sign returns more than crypto_sign_BYTES "
"extra bytes\n");
checksum(c, clen);
output_compare(c2, c, clen, "crypto_sign");
input_compare(m2, m, mlen, "crypto_sign");
input_compare(s2, s, slen, "crypto_sign");
tlen = clen;
output_prepare(t2, t, tlen);
memcpy(c2, c, clen);
double_canary(c2, c, clen);
memcpy(p2, p, plen);
double_canary(p2, p, plen);
public(c, clen);
public(p, plen);
result = crypto_sign_open(t, &tlen, c, clen, p);
public(&result, sizeof result);
if (result != 0)
fail("failure: crypto_sign_open returns nonzero\n");
public(c, clen);
public(p, plen);
public(t, tlen);
if (tlen != mlen)
fail("failure: crypto_sign_open does not match mlen\n");
if (memcmp(t, m, mlen) != 0)
fail("failure: crypto_sign_open does not match m\n");
checksum(t, tlen);
output_compare(t2, t, clen, "crypto_sign_open");
input_compare(c2, c, clen, "crypto_sign_open");
input_compare(p2, p, plen, "crypto_sign_open");
double_canary(t2, t, tlen);
double_canary(c2, c, clen);
double_canary(p2, p, plen);
public(c2, clen);
public(p2, plen);
result = crypto_sign_open(t2, &tlen, c2, clen, p2);
public(&result, sizeof result);
if (result != 0)
fail("failure: crypto_sign_open returns nonzero\n");
public(c2, clen);
public(p2, plen);
public(t2, tlen);
if (memcmp(t2, t, tlen) != 0)
fail("failure: crypto_sign_open is nondeterministic\n");
double_canary(t2, t, tlen);
double_canary(c2, c, clen);
double_canary(p2, p, plen);
public(c2, clen);
public(p, plen);
result = crypto_sign_open(c2, &tlen, c2, clen, p);
public(&result, sizeof result);
if (result != 0)
fail("failure: crypto_sign_open with c=t overlap returns "
"nonzero\n");
public(c2, tlen);
public(p, plen);
if (memcmp(c2, t, tlen) != 0)
fail("failure: crypto_sign_open does not handle c=t overlap\n");
memcpy(c2, c, clen);
public(c, clen);
public(p2, plen);
result = crypto_sign_open(p2, &tlen, c, clen, p2);
public(&result, sizeof result);
if (result != 0)
fail("failure: crypto_sign_open with p=t overlap returns "
"nonzero\n");
public(p2, tlen);
public(c, clen);
if (memcmp(p2, t, tlen) != 0)
fail("failure: crypto_sign_open does not handle p=t overlap\n");
memcpy(p2, p, plen);
c[myrandom() % clen] += 1 + (myrandom() % 255);
if (crypto_sign_open(t, &tlen, c, clen, p) == 0)
if ((tlen != mlen) || (memcmp(t, m, mlen) != 0))
fail(
"failure: crypto_sign_open allows trivial forgeries\n");
c[myrandom() % clen] += 1 + (myrandom() % 255);
if (crypto_sign_open(t, &tlen, c, clen, p) == 0)
if ((tlen != mlen) || (memcmp(t, m, mlen) != 0))
fail(
"failure: crypto_sign_open allows trivial forgeries\n");
c[myrandom() % clen] += 1 + (myrandom() % 255);
if (crypto_sign_open(t, &tlen, c, clen, p) == 0)
if ((tlen != mlen) || (memcmp(t, m, mlen) != 0))
fail(
"failure: crypto_sign_open allows trivial forgeries\n");
}
checksum_expected(sign_ed25519_checksums[checksumbig]);
}
}
void test_sign_ed25519(void) {
long long maxalloc = 0;
if (targeto && strcmp(targeto, "sign")) return;
if (targetp && strcmp(targetp, "ed25519")) return;
storage_sign_ed25519_p =
callocplus(4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
test_sign_ed25519_p =
aligned(storage_sign_ed25519_p, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
if (4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES >
maxalloc)
maxalloc = 4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES;
storage_sign_ed25519_s =
callocplus(4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
test_sign_ed25519_s =
aligned(storage_sign_ed25519_s, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
if (4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES >
maxalloc)
maxalloc = 4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES;
storage_sign_ed25519_m =
callocplus(4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
test_sign_ed25519_m =
aligned(storage_sign_ed25519_m, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
if (4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES >
maxalloc)
maxalloc = 4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES;
storage_sign_ed25519_c =
callocplus(4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
test_sign_ed25519_c =
aligned(storage_sign_ed25519_c, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
if (4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES >
maxalloc)
maxalloc = 4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES;
storage_sign_ed25519_t =
callocplus(4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
test_sign_ed25519_t =
aligned(storage_sign_ed25519_t, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
if (4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES >
maxalloc)
maxalloc = 4096 + crypto_sign_BYTES + crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES;
storage_sign_ed25519_p2 = callocplus(maxalloc);
test_sign_ed25519_p2 =
aligned(storage_sign_ed25519_p2, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
storage_sign_ed25519_s2 = callocplus(maxalloc);
test_sign_ed25519_s2 =
aligned(storage_sign_ed25519_s2, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
storage_sign_ed25519_m2 = callocplus(maxalloc);
test_sign_ed25519_m2 =
aligned(storage_sign_ed25519_m2, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
storage_sign_ed25519_c2 = callocplus(maxalloc);
test_sign_ed25519_c2 =
aligned(storage_sign_ed25519_c2, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
storage_sign_ed25519_t2 = callocplus(maxalloc);
test_sign_ed25519_t2 =
aligned(storage_sign_ed25519_t2, 4096 + crypto_sign_BYTES +
crypto_sign_PUBLICKEYBYTES +
crypto_sign_SECRETKEYBYTES);
for (long long offset = 0; offset < 2; ++offset) {
if (targetoffset && atol(targetoffset) != offset) continue;
if (offset && valgrind) break;
printf("sign_ed25519 offset %lld\n", offset);
forked(test_sign_ed25519_impl, -1);
++test_sign_ed25519_p;
++test_sign_ed25519_s;
++test_sign_ed25519_m;
++test_sign_ed25519_c;
++test_sign_ed25519_t;
++test_sign_ed25519_p2;
++test_sign_ed25519_s2;
++test_sign_ed25519_m2;
++test_sign_ed25519_c2;
++test_sign_ed25519_t2;
}
free(storage_sign_ed25519_t2);
free(storage_sign_ed25519_c2);
free(storage_sign_ed25519_m2);
free(storage_sign_ed25519_s2);
free(storage_sign_ed25519_p2);
free(storage_sign_ed25519_t);
free(storage_sign_ed25519_c);
free(storage_sign_ed25519_m);
free(storage_sign_ed25519_s);
free(storage_sign_ed25519_p);
}
#undef crypto_sign_SECRETKEYBYTES
#undef crypto_sign_PUBLICKEYBYTES
#undef crypto_sign_BYTES
|
