"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/auth/crypt-blowfish.c" between
dovecot-2.3.16.tar.gz and dovecot-2.3.17.tar.gz

About: Dovecot is an IMAP and POP3 server, written with security primarily in mind.

crypt-blowfish.c  (dovecot-2.3.16)	:	crypt-blowfish.c  (dovecot-2.3.17)
skipping to change at line 440		skipping to change at line 440
break;		break;
}		}
c2 = *sptr++;		c2 = *sptr++;
c1 |= c2 >> 6;		c1 |= c2 >> 6;
*dptr++ = BF_itoa64[c1];		*dptr++ = BF_itoa64[c1];
*dptr++ = BF_itoa64[c2 & 0x3f];		*dptr++ = BF_itoa64[c2 & 0x3f];
} while (sptr < end);		} while (sptr < end);
}		}
static void BF_swap(BF_word *x, int count)		static void ATTR_UNSIGNED_WRAPS
		BF_swap(BF_word *x, int count)
{		{
static int endianness_check = 1;		static int endianness_check = 1;
char *is_little_endian = (char *)&endianness_check;		char *is_little_endian = (char *)&endianness_check;
BF_word tmp;		BF_word tmp;
if (*is_little_endian != 0)		if (*is_little_endian != 0)
do {		do {
tmp = *x;		tmp = *x;
tmp = (tmp << 16) | (tmp >> 16);		tmp = (tmp << 16) | (tmp >> 16);
*x++ = ((tmp & 0x00FF00FF) << 8) | ((tmp >> 8) & 0x00FF00FF);		*x++ = ((tmp & 0x00FF00FF) << 8) | ((tmp >> 8) & 0x00FF00FF);
skipping to change at line 537		skipping to change at line 538
} while (ptr < &data.ctx.P[BF_N + 2]); \		} while (ptr < &data.ctx.P[BF_N + 2]); \
\		\
ptr = data.ctx.S[0]; \		ptr = data.ctx.S[0]; \
do { \		do { \
ptr += 2; \		ptr += 2; \
BF_ENCRYPT; \		BF_ENCRYPT; \
*(ptr - 2) = L; \		*(ptr - 2) = L; \
*(ptr - 1) = R; \		*(ptr - 1) = R; \
} while (ptr < &data.ctx.S[3][0xFF]);		} while (ptr < &data.ctx.S[3][0xFF]);
static void BF_set_key(const char *key, BF_key expanded, BF_key initial,		static void ATTR_UNSIGNED_WRAPS
		BF_set_key(const char *key, BF_key expanded, BF_key initial,
unsigned char flags)		unsigned char flags)
{		{
const char *ptr = key;		const char *ptr = key;
unsigned int bug, i, j;		unsigned int bug, i, j;
BF_word safety, sign, diff, tmp[2];		BF_word safety, sign, diff, tmp[2];
/*		/*
* There was a sign extension bug in older revisions of this function. While		* There was a sign extension bug in older revisions of this function. While
* we would have liked to simply fix the bug and move on, we have to provide		* we would have liked to simply fix the bug and move on, we have to provide
* a backwards compatibility feature (essentially the bug) for some systems and		* a backwards compatibility feature (essentially the bug) for some systems and
End of changes. 2 change blocks.
2 lines changed or deleted		4 lines changed or added

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