76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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#define TEST_NAME "core_ed25519"
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#include "cmptest.h"
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int
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main(void)
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{
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unsigned char *h;
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unsigned char *p, *p2, *p3;
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unsigned char *sc;
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int i, j;
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h = (unsigned char *) sodium_malloc(crypto_core_ed25519_UNIFORMBYTES);
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p = (unsigned char *) sodium_malloc(crypto_core_ed25519_BYTES);
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for (i = 0; i < 1000; i++) {
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randombytes_buf(h, crypto_core_ed25519_UNIFORMBYTES);
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if (crypto_core_ed25519_from_uniform(p, h) != 0) {
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printf("crypto_core_ed25519_from_uniform() failed\n");
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}
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if (crypto_core_ed25519_is_valid_point(p) == 0) {
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printf("crypto_core_ed25519_from_uniform() returned an invalid point\n");
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}
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}
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p2 = (unsigned char *) sodium_malloc(crypto_core_ed25519_BYTES);
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p3 = (unsigned char *) sodium_malloc(crypto_core_ed25519_BYTES);
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randombytes_buf(h, crypto_core_ed25519_UNIFORMBYTES);
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crypto_core_ed25519_from_uniform(p2, h);
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j = 1 + (int) randombytes_uniform(100);
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memcpy(p3, p, crypto_core_ed25519_BYTES);
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for (i = 0; i < j; i++) {
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crypto_core_ed25519_add(p, p, p2);
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if (crypto_core_ed25519_is_valid_point(p) != 1) {
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printf("crypto_core_add() returned an invalid point\n");
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}
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}
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if (memcmp(p, p3, crypto_core_ed25519_BYTES) == 0) {
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printf("crypto_core_add() failed\n");
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}
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for (i = 0; i < j; i++) {
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crypto_core_ed25519_sub(p, p, p2);
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}
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if (memcmp(p, p3, crypto_core_ed25519_BYTES) != 0) {
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printf("crypto_core_add() or crypto_core_sub() failed\n");
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}
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sc = (unsigned char *) sodium_malloc(crypto_scalarmult_ed25519_SCALARBYTES);
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memset(sc, 0, crypto_scalarmult_ed25519_SCALARBYTES);
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sc[0] = 8;
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memcpy(p2, p, crypto_core_ed25519_BYTES);
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memcpy(p3, p, crypto_core_ed25519_BYTES);
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for (i = 0; i < 254; i++) {
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crypto_core_ed25519_add(p2, p2, p2);
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}
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for (i = 0; i < 8; i++) {
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crypto_core_ed25519_add(p2, p2, p);
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}
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if (crypto_scalarmult_ed25519(p3, sc, p) != 0) {
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printf("crypto_scalarmult_ed25519() failed\n");
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}
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if (memcmp(p2, p3, crypto_core_ed25519_BYTES) != 0) {
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printf("crypto_scalarmult_ed25519() is inconsistent with crypto_core_ed25519_add()\n");
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}
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sodium_free(sc);
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sodium_free(p3);
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sodium_free(p2);
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sodium_free(p);
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sodium_free(h);
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printf("OK\n");
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return 0;
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}
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