Vesselin Velichkov

According to our database, Vesselin Velichkov authored at least 30 papers between 2004 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Cube-Attack-Like Cryptanalysis of Keccak-Based Constructions Exploiting State Differences (Full Version).

Mohammad Vaziri, Vesselin Velichkov

IACR Cryptol. ePrint Arch., 2025

2024

The Last Challenge Attack: Exploiting a Vulnerable Implementation of the Fiat-Shamir Transform in a KZG-based SNARK.

Oana Ciobotaru, Maxim Peter, Vesselin Velichkov

IACR Cryptol. ePrint Arch., 2024

2023

New Design Techniques for Efficient Arithmetization-Oriented Hash Functions: ttAnemoi Permutations and ttJive Compression Mode.

Clémence Bouvier, Pierre Briaud, Pyrros Chaidos, Léo Perrin, Robin Salen, Vesselin Velichkov, Danny Willems

Proceedings of the Advances in Cryptology - CRYPTO 2023, 2023

Conditional Cube Key Recovery Attack on Round-Reduced Xoodyak.

Mohammad Vaziri, Vesselin Velichkov

Proceedings of the Applied Cryptography and Network Security Workshops, 2023

Meet-in-the-Filter and Dynamic Counting with Applications to Speck.

Alex Biryukov, Luan Cardoso dos Santos, Je Sen Teh, Aleksei Udovenko, Vesselin Velichkov

Proceedings of the Applied Cryptography and Network Security, 2023

2022

Anemoi: Exploiting the Link between Arithmetization-Orientation and CCZ-Equivalence.

Clémence Bouvier, Pierre Briaud, Pyrros Chaidos, Léo Perrin, Vesselin Velichkov

IACR Cryptol. ePrint Arch., 2022

2021

Automated Truncation of Differential Trails and Trail Clustering in ARX.

Alex Biryukov, Luan Cardoso dos Santos, Daniel Feher, Vesselin Velichkov, Giuseppe Vitto

Proceedings of the Selected Areas in Cryptography - 28th International Conference, 2021

On the Cost of ASIC Hardware Crackers: A SHA-1 Case Study.

Anupam Chattopadhyay, Mustafa Khairallah, Gaëtan Leurent, Zakaria Najm, Thomas Peyrin, Vesselin Velichkov

Proceedings of the Topics in Cryptology - CT-RSA 2021, 2021

2020

Lightweight AEAD and Hashing using the Sparkle Permutation Family.

Christof Beierle, Alex Biryukov, Luan Cardoso dos Santos, Johann Großschädl, Léo Perrin, Aleksei Udovenko, Vesselin Velichkov, Qingju Wang

IACR Trans. Symmetric Cryptol., 2020

Alzette: A 64-Bit ARX-box - (Feat. CRAX and TRAX).

Christof Beierle, Alex Biryukov, Luan Cardoso dos Santos, Johann Großschädl, Léo Perrin, Aleksei Udovenko, Vesselin Velichkov, Qingju Wang

Proceedings of the Advances in Cryptology - CRYPTO 2020, 2020

2019

Alzette: A 64-bit ARX-box.

Christof Beierle, Alex Biryukov, Luan Cardoso dos Santos, Johann Großschädl, Léo Perrin, Aleksei Udovenko, Vesselin Velichkov, Qingju Wang

IACR Cryptol. ePrint Arch., 2019

2017

Analysis of the NORX Core Permutation.

Alex Biryukov, Aleksei Udovenko, Vesselin Velichkov

IACR Cryptol. ePrint Arch., 2017

2016

Design Strategies for ARX with Provable Bounds: SPARX and LAX (Full Version).

Daniel Dinu, Léo Perrin, Aleksei Udovenko, Vesselin Velichkov, Johann Großschädl, Alex Biryukov

IACR Cryptol. ePrint Arch., 2016

Automatic Search for the Best Trails in ARX: Application to Block Cipher \textsc{Speck}.

Alex Biryukov, Vesselin Velichkov, Yann Le Corre

IACR Cryptol. ePrint Arch., 2016

Automatic Search for the Best Trails in ARX: Application to Block Cipher Speck.

Alex Biryukov, Vesselin Velichkov, Yann Le Corre

Proceedings of the Fast Software Encryption - 23rd International Conference, 2016

Design Strategies for ARX with Provable Bounds: Sparx and LAX.

Daniel Dinu, Léo Perrin, Aleksei Udovenko, Vesselin Velichkov, Johann Großschädl, Alex Biryukov

Proceedings of the Advances in Cryptology - ASIACRYPT 2016, 2016

2015

Analysis of the Authenticated Cipher MORUS (v1).

Aleksandra Mileva, Vesna Dimitrova, Vesselin Velichkov

Proceedings of the Cryptography and Information Security in the Balkans, 2015

2014

Differential Analysis of Block Ciphers SIMON and SPECK.

Alex Biryukov, Arnab Roy, Vesselin Velichkov

Proceedings of the Fast Software Encryption - 21st International Workshop, 2014

Automatic Search for Differential Trails in ARX Ciphers.

Alex Biryukov, Vesselin Velichkov

Proceedings of the Topics in Cryptology - CT-RSA 2014, 2014

2013

Automatic Search for Differential Trails in ARX Ciphers (Extended Version).

Alex Biryukov, Vesselin Velichkov

IACR Cryptol. ePrint Arch., 2013

2012

Recent Methods for Cryptanalysis of Symmetric-key Cryptographic Algorithms (Recente Methoden voor de Cryptanalyse van Symmetrische-sleutel Cryptografische Algoritmen).

Vesselin Velichkov

PhD thesis, 2012

UNAF: A Special Set of Additive Differences with Application to the Differential Analysis of ARX.

Vesselin Velichkov, Nicky Mouha, Christophe De Cannière, Bart Preneel

Proceedings of the Fast Software Encryption - 19th International Workshop, 2012

A cross-protocol attack on the TLS protocol.

Nikos Mavrogiannopoulos, Frederik Vercauteren, Vesselin Velichkov, Bart Preneel

Proceedings of the ACM Conference on Computer and Communications Security, 2012

2011

The Additive Differential Probability of ARX.

Vesselin Velichkov, Nicky Mouha, Christophe De Cannière, Bart Preneel

Proceedings of the Fast Software Encryption - 18th International Workshop, 2011

Meet-in-the-Middle Attacks on Reduced-Round XTEA.

Gautham Sekar, Nicky Mouha, Vesselin Velichkov, Bart Preneel

Proceedings of the Topics in Cryptology - CT-RSA 2011, 2011

2010

Algebraic cryptanalysis of a small-scale version of stream cipher Lex.

Vesselin Velichkov, Vincent Rijmen, Bart Preneel

IET Inf. Secur., 2010

The Differential Analysis of S-Functions.

Nicky Mouha, Vesselin Velichkov, Christophe De Cannière, Bart Preneel

Proceedings of the Selected Areas in Cryptography - 17th International Workshop, 2010

2008

Demonstration of unobservable voice over IP.

Miroslav Knezevic, Vesselin Velichkov

Proceedings of the 9th IEEE International Symposium on a World of Wireless, 2008

On the Practical Performance of Rateless Codes.

Miroslav Knezevic, Vesselin Velichkov, Bart Preneel, Ingrid Verbauwhede

Proceedings of the WINSYS 2008, 2008

2004

Adaptive license plate image extraction.

Vladimir A. Shapiro, Dimo Dimov, Stefan Bonchev, Vesselin Velichkov, Georgi Gluhchev

Proceedings of the 5th International Conference on Computer Systems and Technologies, 2004