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Description: Protect some macro parameters with parentheses. Author: Peter Pentchev <roam@FreeBSD.org> Forwarded: http://sourceforge.net/mailarchive/message.php?msg_name=20090910102100.GA26539%40straylight.m.ringlet.net Last-Update: 2009-09-10 --- lib/md5.c.orig +++ lib/md5.c @@ -140,14 +140,14 @@ /* The four core functions - F1 is optimized somewhat */ /* #define F1(x, y, z) (x & y | ~x & z) */ -#define F1(x, y, z) (z ^ (x & (y ^ z))) -#define F2(x, y, z) F1(z, x, y) -#define F3(x, y, z) (x ^ y ^ z) -#define F4(x, y, z) (y ^ (x | ~z)) +#define F1(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define F2(x, y, z) F1((z), (x), (y)) +#define F3(x, y, z) ((x) ^ (y) ^ (z)) +#define F4(x, y, z) ((y) ^ ((x) | ~(z))) /* This is the central step in the MD5 algorithm. */ #define MD5STEP(f, w, x, y, z, data, s) \ - ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x ) + ( (w) += f(x, y, z) + (data), (w) = (w)<<(s) | (w)>>(32-(s)), (w) += (x) ) /* * The core of the MD5 algorithm, this alters an existing MD5 hash to