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Seriously, get off my cloud! Cross-VM RSA Key Recovery in a Public Cloud
Public Cloud Co-location Detection RSA key recovery
2015/12/23
It has been six years since Ristenpart et al. demonstrated the viability of co-location and provided the first concrete evidence for sensitive information leakage on a commercial cloud. We show that c...
A New Factoring Attack on Multi-Prime RSA with Small Prime Difference
Factoring attack multi-prime RSA small prime difference
2015/12/21
In this paper, we study the security of multi-prime RSA whose modulus is N = p1p2 · · · pr
for r ≥ 3 with small prime difference of size N
γ
. In ACISP 2013, Zhang and Takagi showed a
Fermat-like ...
In this article, we describe a methodology that aims at either breaking or proving the security of CRT-RSA implementations against fault injection attacks. In the specific case-study of the BellCoRe a...
Formal Analysis of CRT-RSA Vigilant's Countermeasure Against the BellCoRe Attack
fault injection BellCoRe attack
2014/3/5
In our paper at PROOFS 2013, we formally studied a few known countermeasures to protect CRT-RSA against the BellCoRe fault injection attack. However, we left Vigilant's countermeasure and its alleged ...
Many computers emit a high-pitched noise during operation, due to vibration in some of their electronic components. These acoustic emanations are more than a nuisance: they can convey information abou...
Fully Deniable Mutual Authentication Protocol Based on RSA Signature
Deniability RSA Signature
2014/3/6
Deniable authentication protocols allow a sender to authenticate a receiver, in a way that the receiver cannot convince a third party that such authentication (or any authentication) ever took place. ...
On the Security of TLS-DH and TLS-RSA in the Standard Model
provable security static Diffie-Hellman
2014/3/12
TLS is the most important cryptographic protocol in the Internet. At CRYPTO 2012, Jager et al. presented the first proof of the unmodified TLS with ephemeral Diffie-Hellman key exchange (TLS-DHE) for ...
Factoring RSA keys from certified smart cards: Coppersmith in the wild
factorization Coppersmith
2014/3/7
An attacker can efficiently factor at least 184 distinct 1024-bit RSA keys from Taiwan's national "Citizen Digital Certificate" database. The big story here is that these keys were generated by govern...
RSA private key reconstruction from random bits using SAT solvers
SAT solvers RSA partial key exposure factoring public-key cryptography
2013/2/21
SAT solvers are being used more and more in Cryptanalysis, with mixed results regarding their efficiency, depending on the structure of the algorithm they are applied. However, when it comes to intege...
A Coding-Theoretic Approach to Recovering Noisy RSA Keys
A Coding-Theoretic Approach Recovering Noisy RSA Keys
2013/2/21
Inspired by cold boot attacks, Heninger and Shacham (Crypto 2009) initiated the study of the problem of how to recover an RSA private key from a noisy version of that key. They gave an algorithm for t...
Efficient RSA Key Generation and Threshold Paillier in the Two-Party Setting
cryptographic protocols / Secure Two-Party Computation RSA Generation Threshold Encryption Scheme Paillier
2012/3/26
The problem of generating an RSA composite in a distributed manner without leaking its factorization is particularly challenging and useful in many cryptographic protocols. Our first contribution is t...
On the Instantiability of Hash-and-Sign RSA Signatures
RSA Signature Hash-and-Sign Full Domain Hash Random Oracle Heuristic Generic Groups Black-Box Reductions
2012/3/29
The hash-and-sign RSA signature is one of the most elegant and well known signatures schemes, extensively used in a wide variety of cryptographic applications. Unfortunately, the only existing analysi...
Identification Based Encryption with RSA-OAEP. Using SEM and Without
IBE mRSA SEM RSA-IBE Classic RSA OAEP CPA
2012/6/14
In this article we show how we can integrate the RSA (RSA-OAEP) into the IBE. Our prove can be make with either Standard Model or Random Oracle. We firstly develop the basic ideas made in this directi...
Identification Based Encryption with RSA-OAEP. Using SEM and Without
public-key cryptography / IBE mRSA SEM RSA-IBE Classic RSA OAEP CPA CCA2 authentication Shamir signature
2012/3/20
In this article we show how we can integrate the RSA (RSA-OAEP) into the IBE. Our prove can be make with either Standard Model or Random Oracle. We firstly develop the basic ideas made in this directi...
A Unified Framework for Small Secret Exponent Attack on RSA
public-key cryptography / lattice techniques RSA cryptanalysis
2012/6/14
We address a lattice based method on small secret exponent attack on RSA scheme. Boneh and Durfee reduced the attack into finding small roots of a bivariate modular equation: $x(N+1+y)+1 ￥equiv 0 mod ...