ESC 2015

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Early Symmetric Crypto (ESC) 12-16 January 2015 in Clervaux, Luxembourg

Early Symmetric Cryptography (ESC) is a bi-annual event (2008, 2010, 2013) taking place in Luxembourg and paired with Dagstuhl seminars (2007, 2009, 2012, 2014) on symmetric cryptography.

Cryptography deals with secure communication in adversarial environments as well as protecting information in storage. It is the key ingredient of information security. Applications such as electronic commerce, e-banking, secure communications (ex. mobile phones, Skype, etc.) are made possible due to advances in applied cryptography. The seminar is concentrating on:

  • symmetric primitives (block and stream ciphers, message authentication codes and hash functions), and
  • complex cryptosystems and cryptographic protocols employing these primitives
  • algorithmic challenges in public and symmetric cryptography.

The aim of the workshop is to bring together leading experts and talented junior researchers and to let them exchange ideas, open problems in an informal atmosphere.

Program Chairs

Alex Biryukov

Joan Daemen

Stefan Lucks

Serge Vaudenay

The List of topics

  • Authenticity, Integrity, Privacy, Block Ciphers, Stream Ciphers, Hash Functions, Authenticated Encryption, Lightweight crypto, Provable Security, Cryptanalysis
  • RFID protocols, crypto standards for Internet of Things
  • Algorithmic challenges in SK and PK crypto (algorithmic cryptanalysis, lattices, multivariate crypto, factoring, etc.)

Special sub-topics that will be explored this year are:

  • Evaluation of submissions for the authenticated encryption competition (CAESAR) sponsored by NIST.
  • Evaluation of candidates for the currently running password-hashing competition.
  • Design and analysis of lightweight cryptography (see also ACRYPT project).


Here is the seminar program


ESC 2015 Proceedings


The conference will be held at the hotel International in Clervaux, a medieval town in Luxembourg in the Ardennes.

Please contact the hotel for the booking. Please put <> in CC.

Hotel prices:

Single room : 85 € Double room : 105 €

Price includes breakfast, free WiFi, access to wellness (swimming pool, sauna, hammam, fitness).

We cover lunches, dinners and venue costs. There are no registration fees.


  • Clervaux castle
  • Vianden castle (organized excursion is planned)
  • Hikes


Typical temperatures in Luxembourg in January are -2 -- +10. Take a good rain coat and hiking shoes if you want to explore the surroundings.


This event is sponsored by the Fonds National de la Recherche Luxembourg and by the Laboratory of Algorithmics, Cryptology and Security

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