Dr.-Ing. Shahram Rasoolzadeh

  • Former Assistant - Chair Security Engineering
  • Former Assistant - Chair Embedded Security
Rasoolzadeh, Shahram


Embedded Security Group
Horst Görtz Institute for IT-Security
Faculty of Electrical Engineering & Information Technology
Ruhr-Universität Bochum
Uni­ver­si­täts­str. 150
44780 Bo­chum

shahram.rasoolzadeh@rub.de PGP key


  • 11/2016 - 12/2020: Research Assistant / PhD Student
    Embedded Security & Symmetric Cryptography Groups, HGI, Ruhr University Bo­chum, Germany
  • 1/2016 - 9/2016: Researcher Assistant
    Simula@UiB, Simula Research Laboratory, Bergen, Norway
  • 1/2016 - 9/2016: PhD Student in Mathematics - Cryptography
    University of Bergen, Bergen, Norway
  • 9/2013 - 9/2015: M.Sc. in Electrical Engineering - Cryptography
    Sharif University of Technology, Tehran, Iran
  • 9/2008 - 6/2013: B.Sc. in Electrical Engineering - Communication Systems
    Tabriz University, Tabriz, Iran


  • Symmetric Cryptography
  • Lightweight Cryptography
  • Block Ciphers

Awards / Honors

  • Best Paper Award from Iranian Society of Cryptology, & The ISC Int’l Journal of Information Security (ISeCure), for the paper Total Break of Zorro using Linear and Differential Attacks, September 2016.
  • PRINCE Challenge winner for presenting fastest cryptanalyses of PRINCE block cipher reduced to the 6-, 8-, 10-round in known plaintext and 6- round in chosen plaintext senarios, May 2016.
  • Ranked 21st among more than 20,000 participants in Iranian National University Entrance Exam for M.Sc. in Electrical Engineering, (first accepted student for Cryptography field of study in Sharif University of Technology), 2013.

Previous Publications


The SPEEDY Family of Block Ciphers - Engineering an Ultra Low-Latency Cipher from Gate Level for Secure Processor Architectures

Gregor Leander, Thorben Moos, Amir Moradi, Shahram Rasoolzadeh - IACR Transactions on Cryptographic Hardware and Embedded Systems, Vol. 2021, No. 4, pp. 510-545.

Impeccable Circuits III

Shahram Rasoolzadeh, Aein Rezaei Shahmirzadi, Amir Moradi - IEEE International Test Conference, ITC 2021, October 10-15, 2021

PRINCEv2 - More Security for (Almost) No Overhead

Dusan Bozilov, Maria Eichlseder, Miroslav Knezevic‬, Baptiste Lambin, Gregor Leander, Thorben Moos, Ventzislav Nikov, Shahram Rasoolzadeh, Yosuke Todo, Friedrich Wiemer - Selected Areas in Cryptography (SAC) 2020.

Impeccable Circuits II

Aein Rezaei Shahmirzadi, Shahram Rasoolzadeh, Amir Moradi - 57th Annual Design Automation Conference 2020, DAC 2020, San Francisco, CA, USA, July 19-23, 2020.

Impeccable Circuits

Anita Aghaie, Amir Moradi, Shahram Rasoolzadeh, Aein Rezaei Shahmirzadi, Falk Schellenberg, Tobias Schneider - IEEE Transactions on Computers, 2019.

CRAFT: Lightweight Tweakable Block Cipher with Efficient Protection Against DFA Attacks

Christof Beierle, Gregor Leander, Amir Moradi, Shahram Rasoolzadeh - IACR Tran­sac­tions on Sym­me­tric Cryp­to­lo­gy, Vol. 2019, No. 1, pp 5-45, 2019. (presentation at FSE 2019, Paris, France, March 25–28, 2019)

Differential Cryptanalysis of 18-Round PRIDE

Virginie Lallemand, Shahram Rasoolzadeh - International Conference on Cryptology in India (Indocrypt 2017), Chennai, December 10-13, 2017.

Refined Probability of Differential Characteristics Including Dependency Between Multiple Rounds

Anne Canteaut, Eran Lambooij, Samuel Neves, Shahram Rasoolzadeh, Yu Sasaki, Marc Stevens - IACR Transactions on Symmetric Cryptology - Issue 2-2017