International Association for Cryptologic Research

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07:17 [Pub][ePrint] Oblivious Network RAM, by Dana Dachman-Soled and Chang Liu and Charalampos Papamanthou and Elaine Shi and Uzi Vishkin

  Oblivious RAM (ORAM) is a cryptographic primitive that allows a trusted CPU to securely

access untrusted memory, such that the access patterns reveal nothing about sensitive data.

ORAM is known to have broad applications in secure processor design and secure multi-party

computation for big data. Unfortunately, due to a well-known logarithmic lower bound by

Goldreich and Ostrovsky (Journal of the ACM, \'96), ORAM is bound to incur a moderate cost

in practice. In particular, with the latest developments in ORAM constructions, we are quickly

approaching this limit, and the room for performance improvement is small.

In this paper, we consider new models of computation in which the cost of obliviousness

can be fundamentally reduced in comparison with the standard ORAM model. We propose

the Oblivious Network RAM model of computation, where a CPU communicates with multiple

memory banks, such that the adversary observes only which bank the CPU is communicating

with, but not the address offset within each memory bank. In other words, obliviousness within

each bank comes for free--either because the architecture prevents a malicious party from ob-

serving the address accessed within a bank, or because another solution is employed to obfuscate

memory accesses within each bank--and hence we only need to obfuscate the communication

patterns between the CPU and the memory banks. We present several new constructions for

obliviously simulating general or parallel programs in the Network RAM model. We describe

applications of the Network RAM model in secure processor design and in distributed storage

applications with a network adversary.

02:22 [Event][New] WiSec 2015: The 8th ACM Conference on Security and Privacy in Wireless and Mobile Netwo

  Submission: 24 February 2015
Notification: 7 April 2015
From June 22 to June 26
Location: New York City, NY, USA
More Information:

00:40 [Event][New] School on Design and Security of Cryptographic Algorithms and Devices

  From October 18 to October 23
Location: Leuven, Belgium
More Information:

12:02 [Job][New] Postdoctoral Researcher Positions, New York University Abu Dhabi, Center for Interdisciplinary Studies in Security & Privacy (CRISSP)

  New York University Abu Dhabi established the Center for Interdisciplinary Studies in Security and Privacy (CRISSP-AD) in 2011 to meet the growing challenges that are faced in securing networked information technology systems that have become pervasive and address broader political, economic and policy issues that help understand and mitigate cyber risk. The goal of CRISSP-AD is to bring together a cadre of technologists and scientists who model integration of technical, legal, financial, and psychological aspects to develop secure, reliable, and practical solutions to meet the information security and privacy challenges in today’s interconnected world.

Currently CRISSP-AD has over half a dozen faculty and several researchers who are focusing on a variety of cutting edge research projects, and the center is seeking outstanding postdoctoral candidates to join our team to further support its research activities. The areas of expertise aimed at, but not limited to, are: cyber threat intelligence and network analytics; hardware and critical-infrastructure security; and user-centric security. Candidates must hold (or be close to completing) a Ph.D. in Computer Science, Electrical and Computer Engineering or quantitative social sciences. PhD holders with a strong publication record and hands-on skills are encouraged to apply.

New York University has established itself as a Global Network University, a multisite, organically connected network encompassing key global cities and idea capitals. The network has three foundational degree-granting campuses: New York, Abu Dhabi, and Shanghai, complemented by a network of over 15 research and study-away sites across five continents. Faculty and students will circulate within the network in pursuit of common research interests and cross-cultural, interdisciplinary endeavours, both local and global.

05:58 [Job][New] Post-Doc, Newcastle University, UK

  Applications are invited for one post-doctoral Research Associate post to work on next-generation electronic voting and related topics, supported by the European Research Council Starting Grant. This is a five-year project from 2013 to 2017. The initial appointment will be two years with possible extension towards the end of 2017, subject to satisfactory performance and available funding.

The successful applicant will join a vibrant and growing security research team at Newcastle University and have the flexibility of working on a range of topics such as electronic voting, key exchange, NFC payment, BitCoin and so on. Our research work has been largely driven by tackling real-world security problems. Hence, an ideal candidate is one who has 1) a solid theoretical background; 2) good practical skills; 3) and a keen interest to work on real-world problems with aim for practical impact.

About us: Newcastle University is accredited as one of the eleven Academic Centres of Excellence in Cyber Security Research (ACEs-CSR) in the UK. In the latest 2014 Research Excellence Frame (REF) assessment, under the category of computer science, Newcastle University is ranked the first among the UK universities for its research impact.

How to apply: follow the online application link below. To help speed up the process, please also send your CV and a brief cover letter to feng.hao (at)

12:18 [Event][New] ISCISC 2015: 12th International ISC Conference on Information Security and Cryptology

  Submission: 2 May 2015
Notification: 1 August 2015
From September 2 to September 3
Location: Rasht, Iran
More Information:

12:15 [Job][New] Postdoc Positions in Cloud-Computing and Storage Security, IBM Research - Zurich

  Postdoc Positions in Cloud-Computing and Storage Security

The cloud storage and cloud solutions security research teams at IBM Research - Zurich are looking for outstanding researchers to strengthen their activities covering security mechanisms for storage systems and cloud computing. Topics include cryptographic schemes addressing privacy and authenticity, software-defined storage systems, and distributed secure protocols.

The successful candidate will hold a PhD in computer science or a related field, with an excellent record of publications and other accomplishments in the field. A good understanding of cryptographic techniques and a strong background in storage systems, file systems, databases, distributed systems and operating systems is beneficial. Candidates must have a strong desire and proven ability to conduct research independently, invent new ideas, implement them in real systems, and publish the results of their work.

The highly motivated, creative individual will join a multi-disciplinary research team to design and implement advanced mechanisms for protecting cloud computing and storage systems.

IBM is committed to diversity at the workplace. With us, you will find an open, multicultural environment. Excellent, flexible working arrangements enable both women and men to strike the desired balance between their professional development and their personal lives.

Multiple positions are available with starting dates in 2015. For obtaining more information about the topic, please contact: Dr. Christian Cachin and mention \"Cloud security position\" in the subject line.

There is no specific closing date, even though the form here asks for a date.

To apply, please send your CV including contact information for two references by email to: cloudsec (at)

IBM Research - Zurich

12:10 [Event][New] ACISP 2015: 20th Australasian Conference on Information Security and Privacy

  Submission: 20 February 2015
Notification: 6 April 2015
From June 30 to July 1
Location: Brisbane, Australia
More Information:

02:11 [Job][New] Post-Doc, Université de Caen Basse-Normandie

  Applications are invited a post-doctoral position in pairing-based cryptography at Caen University. The successful applicant will participate in the project SIMPATIC (SIM and PAiring Theory for Information and Communications security) financed by the French governemental research funding agency ANR (Agence Nationale de la Recherche) and organized by Orange Labs, Caen. He/she will be a member of one of the research teams in the Computer Science (GREYC) or Mathematics (LMNO) laboratories at Caen University, France.

The position is open for one year. The starting date can be arranged as convenient, but in any case not later than 1st July 2015.

The partners involved in the SIMPATIC project are the crypto teams of the Laboratoire d\'Informatique de l\'ENS Paris, of IMB (Bordeaux), of University Paris 8, of University Rennes 1, Oberthur, INVIA, ST (Le Mans) and Orange Labs (Caen).

The successful applicant will work on the conception of cryptographic primitives suitable for SIMs and other small supports. Candidates are expected to have a high quality potential in theoretical cryptography. He/she will be expected to interact with members of the Applied Crypto Group (ACG) at Orange Labs (OL) in Caen.

However, if no suitable applicant is found, we shall consider hiring a candidate to work on one of the other themes of the project, with a priority on the study of suitable pairing-friendly curves, both theoretical and algorithmic aspects. Such candidates should have a very strong background in relevant number theory and algebraic geometry. Some experience in software implementation (for example in Pari, Magma, Sage, ...) would be useful.

Candidates must hold a PhD thesis or equivalent in mathematics or computer science, together with a strong research record. Applicants should send a detailed curriculum vitae, list of publications, and arrange for letters of recommandation to arrive not later than 1st April 201

02:11 [Job][New]


02:04 [PhD][New] AbdelAlim Kamal Farag: Cryptanalysis and Secure Implementation of Modern Cryptographic Algorithms

  Name: AbdelAlim Kamal Farag
Topic: Cryptanalysis and Secure Implementation of Modern Cryptographic Algorithms
Category: public-key cryptography

Description: Cryptanalytic attacks can be divided into two classes: pure mathematical attacks and Side Chan- nel Attacks (SCAs). Pure mathematical attacks are traditional cryptanalytic techniques that rely on known or chosen input /output pairs of the cryptographic function and exploit the inner structure of the cipher to reveal the secret key information. On the other hand, in SCAs, it is assumed that attackers have some access to the cryptographic device and can gain some information from its physical implementation.\r\nCold-boot attack is a SCA which exploits the data remanence property of Random Access Memory (RAM) to retrieve its content which remains readable shortly after its power has been removed. Fault analysis is another example of SCAs in which the attacker is assumed to be able to induce faults in the cryptographic device and observe the faulty output. Then, by careful inspection of faulty outputs, the attacker recovers the secret information, such as secret inner state or secret key. Scan-based Design-For-Test (DFT) is a widely deployed technique for testing hardware chips. Scan-based SCAs exploit the information obtained by analyzing the scanned data in order to retrieve secret information from cryptographic hardware devices that are designed with this testability feature.[...]