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#include <tomcrypt_test.h>
#ifdef MECC
static int sizes[] = {
#ifdef ECC192
24,
#endif
#ifdef ECC224
28,
#endif
#ifdef ECC256
32,
#endif
#ifdef ECC384
48,
#endif
#ifdef ECC512
65
#endif
};
int ecc_tests (void)
{
unsigned char buf[4][4096];
unsigned long x, y, z, s;
int stat, stat2;
ecc_key usera, userb, pubKey, privKey;
DO(ecc_test ());
for (s = 0; s < (int)(sizeof(sizes)/sizeof(sizes[0])); s++) {
/* make up two keys */
DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera));
DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &userb));
/* make the shared secret */
x = 4096;
DO(ecc_shared_secret (&usera, &userb, buf[0], &x));
y = 4096;
DO(ecc_shared_secret (&userb, &usera, buf[1], &y));
if (y != x) {
fprintf(stderr, "ecc Shared keys are not same size.");
return 1;
}
if (memcmp (buf[0], buf[1], x)) {
fprintf(stderr, "ecc Shared keys not same contents.");
return 1;
}
/* now export userb */
y = 4096;
DO(ecc_export (buf[1], &y, PK_PUBLIC, &userb));
ecc_free (&userb);
/* import and make the shared secret again */
DO(ecc_import (buf[1], y, &userb));
z = 4096;
DO(ecc_shared_secret (&usera, &userb, buf[2], &z));
if (z != x) {
fprintf(stderr, "failed. Size don't match?");
return 1;
}
if (memcmp (buf[0], buf[2], x)) {
fprintf(stderr, "Failed. Contents didn't match.");
return 1;
}
ecc_free (&usera);
ecc_free (&userb);
/* test encrypt_key */
DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera));
/* export key */
x = sizeof(buf[0]);
DO(ecc_export(buf[0], &x, PK_PUBLIC, &usera));
DO(ecc_import(buf[0], x, &pubKey));
x = sizeof(buf[0]);
DO(ecc_export(buf[0], &x, PK_PRIVATE, &usera));
DO(ecc_import(buf[0], x, &privKey));
for (x = 0; x < 32; x++) {
buf[0][x] = x;
}
y = sizeof (buf[1]);
DO(ecc_encrypt_key (buf[0], 32, buf[1], &y, &yarrow_prng, find_prng ("yarrow"), find_hash ("sha256"), &pubKey));
zeromem (buf[0], sizeof (buf[0]));
x = sizeof (buf[0]);
DO(ecc_decrypt_key (buf[1], y, buf[0], &x, &privKey));
if (x != 32) {
fprintf(stderr, "Failed (length)");
return 1;
}
for (x = 0; x < 32; x++) {
if (buf[0][x] != x) {
fprintf(stderr, "Failed (contents)");
return 1;
}
}
/* test sign_hash */
for (x = 0; x < 16; x++) {
buf[0][x] = x;
}
x = sizeof (buf[1]);
DO(ecc_sign_hash (buf[0], 16, buf[1], &x, &yarrow_prng, find_prng ("yarrow"), &privKey));
DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat, &pubKey));
buf[0][0] ^= 1;
DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat2, &privKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "ecc_verify_hash failed %d, %d, ", stat, stat2);
return 1;
}
ecc_free (&usera);
ecc_free (&pubKey);
ecc_free (&privKey);
}
return 0;
}
#else
int ecc_tests(void)
{
fprintf(stderr, "NOP");
return 0;
}
#endif
/* $Source: /cvs/libtom/libtomcrypt/testprof/ecc_test.c,v $ */
/* $Revision: 1.9 $ */
/* $Date: 2005/06/14 19:43:29 $ */
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