Re: TEA problems with temporarely created variables ?

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Article #5040

#5040

From: Skybuck Flying
Date: Tue, 27 Aug 2002 02:01

27 lines
2180 bytes

 y = (z << 4 ^ z >> 5);

 printf(" y = (z << 4 ^ z >> 5);  %lu\n", y );

 y = ((z << 4) ^ (z >> 5));

 printf(" y = ((z << 4) ^ (z >> 5));  %lu\n", y );

 y = (z << 4 ^ z >> 5) + z ^ _sum;

 printf(" y = (z << 4 ^ z >> 5) + z ^ _sum; %lu\n", y );

 y = ((z << 4) ^ (z >> 5)) + z ^ _sum;

 printf(" y = ((z << 4) ^ (z >> 5)) + z ^ _sum; %lu\n", y );

 y = (z << 4 ^ z >> 5) + z ^ _sum + k[ _sum & 3 ];

 printf(" (z << 4 ^ z >> 5) + z ^ _sum + k[ _sum & 3 ]; %lu\n", y );

 y = ((z << 4) ^ (z >> 5)) + (z ^ _sum) + k[ _sum & 3 ];  // this line gives
different result AHA !!

 printf(" ((z << 4) ^ (z >> 5)) + (z ^ _sum) + k[ _sum & 3 ]; %lu\n", y );

Getting close to finding the problem.

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From: "Skybuck Flying" <skybuck2000@hotmail.com>
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References: <65fc3031.0208260053.300165ba@posting.google.com> <3D69F6F6.E43591E6@saiknes.lv.NO.SPaM.NET>
Subject: Re: TEA problems with temporarely created variables ?
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