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IACR
2016
41views Biometrics» more  IACR 2016»
8 years 7 months ago
Cryptanalysis of 6-round PRINCE using 2 Known Plaintexts
In this paper we focus on the PRINCE block cipher reduced to 6 rounds, with two known plaintext/ciphertext pairs. We develop two attacks on 6-round PRINCE based on accelerated exha...
Shahram Rasoolzadeh, Håvard Raddum
IACR
2016
43views Biometrics» more  IACR 2016»
8 years 7 months ago
Rate-1, Linear Time and Additively Homomorphic UC Commitments
We propose the first UC commitment scheme for binary strings with the optimal properties of rate approaching 1 and linear time (in the amortised sense, using a small number of see...
Ignacio Cascudo, Ivan Damgård, Bernardo Davi...
IACR
2016
44views Biometrics» more  IACR 2016»
8 years 7 months ago
Speed Optimizations in Bitcoin Key Recovery Attacks
In this paper we study and give the first detailed benchmarks on existing implementations of the secp256k1 elliptic curve used by at least hundreds of thousands of users in Bitco...
Nicolas Courtois, Guangyan Song, Ryan Castellucci
IACR
2016
49views Biometrics» more  IACR 2016»
8 years 7 months ago
Analysing and Exploiting the Mantin Biases in RC4
We explore the use of the Mantin biases (Mantin, Eurocrypt 2005) to recover plaintexts from RC4-encrypted traffic. We provide a more fine-grained analysis of these biases than in ...
Remi Bricout, Sean Murphy, Kenneth G. Paterson, Th...
IACR
2016
44views Biometrics» more  IACR 2016»
8 years 7 months ago
A NEW UNLINKABLE SECRET HANDSHAKES SCHEME BASED ON ZSS
Secret handshakes (SH) scheme is a key agreement protocol between two members of the same group. Under this scheme two members share a common key if and only if they both belong t...
Preeti Kulshrestha, Arun Kumar
IACR
2016
38views Biometrics» more  IACR 2016»
8 years 7 months ago
Balloon Hashing: Provably Space-Hard Hash Functions with Data-Independent Access Patterns
Abstract. We present the Balloon family of password hashing functions. These are the first cryptographic hash functions with proven space-hardness properties that: (i) use a passw...
Henry Corrigan-Gibbs, Dan Boneh, Stuart E. Schecht...