Article View: sci.crypt
Article #5049Re: TEA y and z really solved :)
From: Skybuck Flying
Date: Tue, 27 Aug 2002 02:28
Date: Tue, 27 Aug 2002 02:28
48 lines
2920 bytes
2920 bytes
y = y + ((z << 4) ^ (z >> 5)) + z ^ (_sum + k[ _sum & 3 ]); // really
solved
// step 4
z = (z + ( (y << 4) ^ (y >> 5) ) + y) ^ (_sum + k[ (_sum >> 11) & 3]); //
2585699276 really solved
printf(" z = (z + ( (y << 4) ^ (y >> 5) ) + y) ^ (_sum + k[ (_sum >> 11) &
3]) ); %lu \n", z );
<disastry@saiknes.lv.NO.SPaM.NET> wrote in message
news:3D69F6F6.E43591E6@saiknes.lv.NO.SPaM.NET...
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> Hash: RIPEMD160
>
> skybuck wrote:
> > The problems are probably with these lines of code:
> >
> > c version:
> >
> > y += (z<<4)+a ^ z+sum ^ (z>>5)+b;
> > z += (y<<4)+c ^ y+sum ^ (y>>5)+d;
> >
> > pascal version:
> >
> > y := y + (z shl 4) + a xor z + _sum xor (z shr 5) + b;
> > z := z + (y shl 4) + c xor y + _sum xor (y shr 5) + d;
>
> 1) try:
> y := y + ((z shl 4) + a xor z + _sum xor (z shr 5) + b);
> or even
> y := y + (((z shl 4) + a) xor (z + _sum) xor ((z shr 5) + b));
>
> 2) better use XTEA (aka (TEAN)
>
> __
> Disastry http://disastry.dhs.org/
> http://disastry.dhs.org/pgp <----PGP plugins for Netscape and MDaemon
> ^----PGP 2.6.3ia-multi06 (supports IDEA, CAST5, BLOWFISH, TWOFISH,
> AES, 3DES ciphers and MD5, SHA1, RIPEMD160, SHA2 hashes)
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1014db,ddba2a7b81ed925a X-Google-Attributes: gid1014db,public X-Google-Thread: 1043cf,ddba2a7b81ed925a X-Google-Attributes: gid1043cf,public X-Google-Thread: 10cc59,ddba2a7b81ed925a X-Google-Attributes: gid10cc59,public X-Google-Thread: fb57f,ddba2a7b81ed925a X-Google-Attributes: gidfb57f,public X-Google-ArrivalTime: 2002-08-26 19:28:37 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!kibo.news.demon.net!demon!newshub1.nl.home.com!news.nl.home.com!zwoll1.home.nl.POSTED!not-for-mail From: "Skybuck Flying" <skybuck2000@hotmail.com> Newsgroups: sci.crypt,comp.lang.pascal,borland.public.delphi.objectpascal,comp.lang.c References: <65fc3031.0208260053.300165ba@posting.google.com> <3D69F6F6.E43591E6@saiknes.lv.NO.SPaM.NET> Subject: Re: TEA y and z really solved :) Lines: 50 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Message-ID: <bjBa9.3364$28.524323@zwoll1.home.nl> Date: Tue, 27 Aug 2002 04:28:07 +0200 NNTP-Posting-Host: 217.121.93.57 X-Complaints-To: abuse@home.nl X-Trace: zwoll1.home.nl 1030414663 217.121.93.57 (Tue, 27 Aug 2002 04:17:43 MEST) NNTP-Posting-Date: Tue, 27 Aug 2002 04:17:43 MEST Organization: @Home Network