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