Mercurial > dropbear
diff libtomcrypt/tests/store_test.c @ 1471:6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 09 Feb 2018 21:44:05 +0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtomcrypt/tests/store_test.c Fri Feb 09 21:44:05 2018 +0800 @@ -0,0 +1,86 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ +#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_PTR_CAST(&buf[3*y+z+x])) = *(LTC_FAST_TYPE_PTR_CAST(&buf[z+x])) ^ *(LTC_FAST_TYPE_PTR_CAST(&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; +} + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */