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#include <tomcrypt_test.h>
/* Test store/load macros with offsets */
int store_test(void)
{
unsigned char buf[256];
int y;
ulong32 L, L1;
ulong64 LL, LL1;
#ifdef LTC_FAST
int x, z;
#endif
for (y = 0; y < 4; y++) {
L = 0x12345678UL;
L1 = 0;
STORE32L(L, buf + y);
LOAD32L(L1, buf + y);
if (L1 != L) {
fprintf(stderr, "\n32L failed at offset %d\n", y);
return 1;
}
STORE32H(L, buf + y);
LOAD32H(L1, buf + y);
if (L1 != L) {
fprintf(stderr, "\n32H failed at offset %d\n", y);
return 1;
}
}
for (y = 0; y < 8; y++) {
LL = CONST64 (0x01020304050607);
LL1 = 0;
STORE64L(LL, buf + y);
LOAD64L(LL1, buf + y);
if (LL1 != LL) {
fprintf(stderr, "\n64L failed at offset %d\n", y);
return 1;
}
STORE64H(LL, buf + y);
LOAD64H(LL1, buf + y);
if (LL1 != LL) {
fprintf(stderr, "\n64H failed at offset %d\n", y);
return 1;
}
}
/* test LTC_FAST */
#ifdef LTC_FAST
y = 16;
for (z = 0; z < y; z++) {
/* fill y bytes with random */
yarrow_read(buf+z, y, &yarrow_prng);
yarrow_read(buf+z+y, y, &yarrow_prng);
/* now XOR it byte for byte */
for (x = 0; x < y; x++) {
buf[2*y+z+x] = buf[z+x] ^ buf[z+y+x];
}
/* now XOR it word for word */
for (x = 0; x < y; x += sizeof(LTC_FAST_TYPE)) {
*((LTC_FAST_TYPE*)(&buf[3*y+z+x])) = *((LTC_FAST_TYPE*)(&buf[z+x])) ^ *((LTC_FAST_TYPE*)(&buf[z+y+x]));
}
if (memcmp(&buf[2*y+z], &buf[3*y+z], y)) {
fprintf(stderr, "\nLTC_FAST failed at offset %d\n", z);
return 1;
}
}
#endif
return 0;
}
/* $Source$ */
/* $Revision$ */
/* $Date$ */
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