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87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include <tomcrypt_test.h>
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/* Test store/load macros with offsets */
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int store_test(void)
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{
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unsigned char buf[256];
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int y;
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ulong32 L, L1;
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ulong64 LL, LL1;
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#ifdef LTC_FAST
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int x, z;
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#endif
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for (y = 0; y < 4; y++) {
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L = 0x12345678UL;
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L1 = 0;
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STORE32L(L, buf + y);
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LOAD32L(L1, buf + y);
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if (L1 != L) {
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fprintf(stderr, "\n32L failed at offset %d\n", y);
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return 1;
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}
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STORE32H(L, buf + y);
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LOAD32H(L1, buf + y);
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if (L1 != L) {
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fprintf(stderr, "\n32H failed at offset %d\n", y);
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return 1;
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}
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}
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for (y = 0; y < 8; y++) {
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LL = CONST64 (0x01020304050607);
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LL1 = 0;
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STORE64L(LL, buf + y);
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LOAD64L(LL1, buf + y);
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if (LL1 != LL) {
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fprintf(stderr, "\n64L failed at offset %d\n", y);
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return 1;
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}
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STORE64H(LL, buf + y);
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LOAD64H(LL1, buf + y);
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if (LL1 != LL) {
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fprintf(stderr, "\n64H failed at offset %d\n", y);
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return 1;
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}
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}
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/* test LTC_FAST */
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#ifdef LTC_FAST
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y = 16;
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for (z = 0; z < y; z++) {
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/* fill y bytes with random */
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yarrow_read(buf+z, y, &yarrow_prng);
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yarrow_read(buf+z+y, y, &yarrow_prng);
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/* now XOR it byte for byte */
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for (x = 0; x < y; x++) {
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buf[2*y+z+x] = buf[z+x] ^ buf[z+y+x];
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}
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/* now XOR it word for word */
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for (x = 0; x < y; x += sizeof(LTC_FAST_TYPE)) {
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*(LTC_FAST_TYPE_PTR_CAST(&buf[3*y+z+x])) = *(LTC_FAST_TYPE_PTR_CAST(&buf[z+x])) ^ *(LTC_FAST_TYPE_PTR_CAST(&buf[z+y+x]));
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}
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if (memcmp(&buf[2*y+z], &buf[3*y+z], y)) {
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fprintf(stderr, "\nLTC_FAST failed at offset %d\n", z);
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return 1;
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}
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}
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#endif
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return 0;
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}
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/* ref: $Format:%D$ */
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/* git commit: $Format:%H$ */
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/* commit time: $Format:%ai$ */
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