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| author | Martin Thomson <martin.thomson@gmail.com> | 2015-08-19 14:26:38 -0700 |
|---|---|---|
| committer | Martin Thomson <martin.thomson@gmail.com> | 2015-08-19 14:26:38 -0700 |
| commit | 9fd15f7a0b76090835f18b2dac3868df3979ac4e (patch) | |
| tree | 4867428b0cd346b4f8f821d6e8b3da6842b65c57 /lib/freebl/sha512.c | |
| parent | c71a6d577373c294694a9c8bf96e8b2595efc7cb (diff) | |
| download | nss-hg-9fd15f7a0b76090835f18b2dac3868df3979ac4e.tar.gz | |
Bug 1182667 - Limit Byteswaps in SHA-2 to little-endian machines, a=bustage
Diffstat (limited to 'lib/freebl/sha512.c')
| -rw-r--r-- | lib/freebl/sha512.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/freebl/sha512.c b/lib/freebl/sha512.c index 378673b2c..64e4be5e5 100644 --- a/lib/freebl/sha512.c +++ b/lib/freebl/sha512.c @@ -67,6 +67,7 @@ static const PRUint32 H256[8] = { 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 }; +#if defined(IS_LITTLE_ENDIAN) #if (_MSC_VER >= 1300) #include <stdlib.h> #pragma intrinsic(_byteswap_ulong) @@ -129,6 +130,7 @@ static __inline__ PRUint32 swap4b(PRUint32 value) ((t1 & SWAP4MASK) << 8) | ((t1 >> 8) & SWAP4MASK)) #define BYTESWAP4(x) x = SHA_HTONL(x) #endif +#endif /* defined(IS_LITTLE_ENDIAN) */ #if defined(_MSC_VER) #pragma intrinsic (_lrotr, _lrotl) @@ -663,6 +665,7 @@ void SHA224_Clone(SHA224Context *dest, SHA224Context *src) #define ULLC(hi,lo) 0x ## hi ## lo ## ULL #endif +#if defined(IS_LITTLE_ENDIAN) #if defined(_MSC_VER) #pragma intrinsic(_byteswap_uint64) #define SHA_HTONLL(x) _byteswap_uint64(x) @@ -702,6 +705,7 @@ static PRUint64 swap8b(PRUint64 x) #define BYTESWAP8(x) do { PRUint32 tmp; BYTESWAP4(x.lo); BYTESWAP4(x.hi); \ tmp = x.lo; x.lo = x.hi; x.hi = tmp; } while (0) #endif +#endif /* defined(IS_LITTLE_ENDIAN) */ /* SHA-384 and SHA-512 constants, K512. */ static const PRUint64 K512[80] = { |