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cubehash_impl: support non-little-endian architectures

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This commit is contained in:
Mirek Kratochvil 2016-04-28 12:18:35 +02:00
parent ce35afb93b
commit f3f1a805ce
1 changed files with 14 additions and 4 deletions
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18
src/cubehash_impl.h
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@ -25,10 +25,6 @@
#include <stdint.h>
#if __BYTE_ORDER__!=__ORDER_LITTLE_ENDIAN__
#error "Only for little endian now, sorry."
#endif
#define ROT(a,b,n) (((a) << (b)) | ((a) >> (n - b)))
#define i16(cmd) for(i=0;i<16;++i) cmd;
@ -86,7 +82,14 @@ public:
int i;
for (i = 0; i + 4 <= B; i += 4)
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ //allow a small speedup for LE architectures
X[i / 4] ^= * (uint32_t*) &data[i];
#else
X[i / 4] ^= (uint32_t) data[i]
| ( (uint32_t) data[i + 1]) << 8
| ( (uint32_t) data[i + 2]) << 16
| ( (uint32_t) data[i + 3]) << 24;
#endif
for (; i < B; ++i)
X[i / 4] ^= ( (uint32_t) (data[i])) << ( (i % 4) * 8);
@ -98,7 +101,14 @@ public:
int i;
for (i = 0; i + 4 <= n; i += 4)
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
X[i / 4] ^= * (uint32_t*) &data[i];
#else
X[i / 4] ^= (uint32_t) data[i]
| ( (uint32_t) data[i + 1]) << 8
| ( (uint32_t) data[i + 2]) << 16
| ( (uint32_t) data[i + 3]) << 24;
#endif
for (; i < n; ++i)
X[i / 4] ^= ( (uint32_t) (data[i])) << ( (i % 4) * 8);