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Bug #4320 » sha2.c.diff

nahi (Hiroshi Nakamura), 07/14/2011 06:47 PM

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ext/digest/sha2/sha2.c (working copy)
*
*/
/*
* #if condition from regint.h - XXX there must exist a nicer way
*/
#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
(defined(__ppc__) && defined(__APPLE__)) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD86) || \
defined(__mc68020__)
#define PLATFORM_UNALIGNED_WORD_ACCESS
#endif
/*** SHA-256/384/512 Machine Architecture Definitions *****************/
/*
* BYTE_ORDER NOTE:
......
}
while (len >= SHA256_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
SHA256_Transform(context, (sha2_word32*)data);
#else
MEMCPY_BCOPY(context->buffer, data, SHA256_BLOCK_LENGTH);
SHA256_Transform(context, (sha2_word32*)context->buffer);
#endif
context->bitcount += SHA256_BLOCK_LENGTH << 3;
len -= SHA256_BLOCK_LENGTH;
data += SHA256_BLOCK_LENGTH;
......
}
while (len >= SHA512_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
SHA512_Transform(context, (sha2_word64*)data);
#else
MEMCPY_BCOPY(context->buffer, data, SHA512_BLOCK_LENGTH);
SHA512_Transform(context, (sha2_word64*)context->buffer);
#endif
ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
len -= SHA512_BLOCK_LENGTH;
data += SHA512_BLOCK_LENGTH;
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