'Preneel' web sites
International association for cryptologic research
www.iacr.org 2013-03-23 ⚑video ⚑r&d
preneel , Christian Rechberger Video Non.randomness of 39.step SHA.256 Hongbo Yu, Xiaoyun Wang Video A MITM Attack Against HB Khaled Ouafi, Raphael Overbeck, Serge Vaudenay Video Paper Selective Decommitments Dennis Hofheinz Video Non.black.box Techniques Are Not Necessary for O 1.Round Non Malleable Protocols Omkant Pandey Video Efficient Optimistic Fair Exchange with Privacy Alptekin K p , Anna Lysyanskaya Video Concurrent Zero
www.iacr.org 2013-03-23 ⚑video ⚑r&d
preneel , Christian Rechberger Video Non.randomness of 39.step SHA.256 Hongbo Yu, Xiaoyun Wang Video A MITM Attack Against HB Khaled Ouafi, Raphael Overbeck, Serge Vaudenay Video Paper Selective Decommitments Dennis Hofheinz Video Non.black.box Techniques Are Not Necessary for O 1.Round Non Malleable Protocols Omkant Pandey Video Efficient Optimistic Fair Exchange with Privacy Alptekin K p , Anna Lysyanskaya Video Concurrent Zero
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Cryptology eprint archive report 2008 131
preneel and Christian Rechberger Abstract We study the security of step.reduced but otherwise unmodified SHA.256. We show the first collision attacks on SHA.256 reduced to 23 and 24 steps with complexities 2 18 and 2 28.5 , respectively. We give example colliding message pairs for 23.step and 24.step SHA.256. The best previous, recently obtained result was a collision attack for up to 22 steps. We extend our attacks to 23 and
Rfc 2104
www.apps.ietf.org 2013-02-12
preneel and van Oorschot PV show some analytical advantages of truncating the output of hash.based MAC functions. The results in this area are not absolute as for the overall security advantages of truncation. It has advantages less information on the hash result available to an attacker and disadvantages less bits to predict for the attacker. Applications of HMAC can choose to truncate the output of HMAC by outputting the t
www.apps.ietf.org 2013-02-12
preneel and van Oorschot PV show some analytical advantages of truncating the output of hash.based MAC functions. The results in this area are not absolute as for the overall security advantages of truncation. It has advantages less information on the hash result available to an attacker and disadvantages less bits to predict for the attacker. Applications of HMAC can choose to truncate the output of HMAC by outputting the t
International association for cryptologic research
www.iacr.org 2013-03-23 ⚑video ⚑r&d
preneel , Christian Rechberger Video Non.randomness of 39.step SHA.256 Hongbo Yu, Xiaoyun Wang Video A MITM Attack Against HB Khaled Ouafi, Raphael Overbeck, Serge Vaudenay Video Paper Selective Decommitments Dennis Hofheinz Video Non.black.box Techniques Are Not Necessary for O 1.Round Non Malleable Protocols Omkant Pandey Video Efficient Optimistic Fair Exchange with Privacy Alptekin K p , Anna Lysyanskaya Video Concurrent Zero
www.iacr.org 2013-03-23 ⚑video ⚑r&d
preneel , Christian Rechberger Video Non.randomness of 39.step SHA.256 Hongbo Yu, Xiaoyun Wang Video A MITM Attack Against HB Khaled Ouafi, Raphael Overbeck, Serge Vaudenay Video Paper Selective Decommitments Dennis Hofheinz Video Non.black.box Techniques Are Not Necessary for O 1.Round Non Malleable Protocols Omkant Pandey Video Efficient Optimistic Fair Exchange with Privacy Alptekin K p , Anna Lysyanskaya Video Concurrent Zero
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