MD5 considered harmful today Creating a rogue CA certificate December 30, 2008 Alexander Sotirov, Marc Stevens, Jacob Appelbaum, Arjen Lenstra, David Molnar, Dag Arne Osvik, Benne de Weger

Source URL: infoscience.epfl.ch

• Cryptography
• Public-key cryptography
• Cryptographic hash functions
• Key management
• Cryptographic protocols
• Public key infrastructure
• MD5
• X.509
• Public key fingerprint
• Collision resistance
• MerkleDamgrd construction
• SHA-2

Galois theory for schemes H. W. Lenstra Mathematisch Instituut Universiteit Leiden Postbus 9512, 2300 RA Leiden The Netherlands

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The Id`ele Class Group Hendrik Lenstra 1. Definitions Let K be an algebraic number field. Let p be a prime of K. We denote by Kp the completion of K at the prime p: if p is a finite place, then Kp is a non-archimedean

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Ringen en lichamen door H.W. Lenstra, Jr en F. Oort (Herziene versie, augustus 2016)

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PARAMETRIZATIONS FOR FAMILIES OF ECM-FRIENDLY CURVES ´ ALEXANDRE GELIN, THORSTEN KLEINJUNG, AND ARJEN K. LENSTRA

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Math 254B: Number theory H. W. Lenstra, JrEvans, office hours MF 4:15–5:15, tel, e-mail hwl@math). Spring 1993, MWF 1–2, 85 Evans. Exercise 1. Let L be a field and let Aut L be its automorphism group

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Galois Groups of Radical Extensions Hendrik Lenstra 1. Introduction ¯ The following Throughout this lecture, K denotes a field, with algebraic closure K.

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LIST OF PUBLICATIONS OF – PIETER MOREE – In preparation [a] H.W. Lenstra, jr., P. Moree and P. Stevenhagen, Character sums for primitive

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TOP REFERENCES E.H.L. Aarts and J.K. Lenstra (editors), Local search in combinatorial optimization. Wiley, (C.J. Adcock and N. Meade, A simple algorithm to incorporate transaction costs in quadratic optimisation.

Source URL: www.aiinfinance.com

De stelling van Granville Hendrik Lenstra (aantekeningen: Jeanine Daems) In deze voordracht wordt de (niet gepubliceerde) stelling van Granville geformuleerd, er wordt aangegeven hoe deze stelling nuttig kan zijn voor he

Source URL: www.math.leidenuniv.nl