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Merge crypto_* from upstream

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Revert "Fix typo"
This reverts commit 4dfd8b8847.
Revert "MinGW: Fix compiler warning with -Wstrict-aliasing"
This reverts commit 897f0e87f4.
This commit is contained in:
Nils Maier 2014-07-11 02:28:15 +02:00
parent 1da3af8869
commit 84bd18b9a1
2 changed files with 27 additions and 17 deletions
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25
src/crypto_endian.h
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@ -45,12 +45,11 @@ namespace crypto {
// Lets spend some quality time mucking around with byte swap and endian-ness.
// First bswap32:
#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUG__)
#define __crypto_bswap32(p) \
({ \
uint32_t t = p; \
__asm__ __volatile__("bswap %0" : "=r"(t) : "0"(t)); \
t; \
})
forceinline uint32_t __crypto_bswap32(uint32_t p)
{
__asm__ __volatile__("bswap %0" : "=r"(p) : "0"(p));
return p;
}
#elif defined(__GNUG__)
#define __crypto_bswap32 __builtin_bswap32
#else // defined(__GNUG__)
@ -63,13 +62,11 @@ forceinline uint32_t __crypto_bswap32(uint32_t n)
// Next up: bswap64
#if defined(__x86_64__) && defined(__GNUG__)
#define __crypto_bswap64(p) \
({ \
uint64_t t = p; \
__asm__ __volatile__("bswapq %q0" : "=r"(t) : "0"(t)); \
t; \
})
forceinline uint64_t __crypto_bswap64(uint64_t p)
{
__asm__ __volatile__("bswapq %q0" : "=r"(p) : "0"(p));
return p;
}
#elif defined(__GNUG__)
#define __crypto_bswap64 __builtin_bswap64
#else // defined(__GNUG__)
@ -109,7 +106,7 @@ inline uint64_t __crypto_bswap(uint64_t n)
#else // LITTLE_ENDIAN != WORD_ORDER
#define __crypto_be(n) (n)
#define __crypto_le(n) __crypto_bswap(n)
#endif
#endif // LITTLE_ENDIAN != WORD_ORDER
} // namespace crypto

19
src/crypto_hash.cc
View File

@ -169,11 +169,17 @@ public:
// Append length, multiplied by 8 (because bits!)
const uint_fast64_t bits = __crypto_be(count_ << 3);
if (sizeof(word_t) == 4) {
memcpy(buffer_.words + bsize - 2, &bits, sizeof(bits));
#if LITTLE_ENDIAN == BYTE_ORDER
buffer_.words[bsize - 2] = bits;
buffer_.words[bsize - 1] = bits >> 32;
#else // LITTLE_ENDIAN != BYTE_ORDER
buffer_.words[bsize - 2] = bits >> 32;
buffer_.words[bsize - 1] = bits;
#endif // LITTLE_ENDIAN != BYTE_ORDER
}
else {
buffer_.words[bsize - 2] = 0;
buffer_.words[bsize - 1] = (word_t)bits;
buffer_.words[bsize - 1] = bits;
}
// Last transform:
@ -340,8 +346,15 @@ public:
// Append length, multiplied by 8 (because bits!)
const uint_fast64_t bits = __crypto_le(count_ << 3);
memcpy(buffer_.words + 14, &bits, sizeof(bits));
#if LITTLE_ENDIAN == BYTE_ORDER
buffer_.words[14] = bits;
buffer_.words[15] = bits >> 32;
#else // LITTLE_ENDIAN != BYTE_ORDER
buffer_.words[14] = bits >> 32;
buffer_.words[15] = bits;
#endif // LITTLE_ENDIAN != BYTE_ORDER
transform(buffer_.words);
#if BIG_ENDIAN == BYTE_ORDER
state_.words[0] = __crypto_bswap(state_.words[0]);
state_.words[1] = __crypto_bswap(state_.words[1]);