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Hi, I'm Mostafizar Rahman, a researcher in the Integrated Systems Engineering Laboratory, Kyoto University. My primary research interests is in cryptanalysis of symmetric-key primitives (both quantum and classical). Recently, I am also working in the areas related to designing of symmetric-key primitives.
Hi, I'm Mostafizar Rahman, a researcher in the Integrated Systems Engineering Laboratory, Kyoto University. My primary research interests is in cryptanalysis of symmetric-key primitives (both quantum and classical). Recently, I am also working in the areas related to designing of symmetric-key primitives.
Recent Events
Recent Events
Joined Integrated Systems Engineering Laboratory, Kyoto University (hosted by Prof. Rei Ueno) as a Specially Appointed Researcher from 1st May 2025.
Delivered a talk on Key Committing Attacks against AES-based AEAD Schemes at IIIT Delhi on 20th February, 2025.
On the Key-Commitment Properties of Forkcipher-based AEADs has been accepted for publication in IACR Communications in Cryptology, Vol. 2024, Issue 4.
Joined the editorial board of IACR Communications in Cryptology 2025.
Attended Asiacrypt 2024 and ASK 2024 at Kolkata.
Delivered a talk on Locking Secrets: End-to-End Encryption and the Importance of Commitment at University of Hyogo under the JENSYS program, ministry of Foreign Affairs, Japan on 15th November, 2024.
BIZness: Bit Invariant Zero-Sum Property based on Division Trail and ASURA: An Efficient Large-State Tweakable Block Cipher For ARM Environment got accepted in Indocrypt 2024.
Differential fault attack on AES-based encryption schemes: application to B5G/6G ciphers—Rocca, Rocca-S and AEGIS got accepted in Journal of Cryptographic Engineering.
Presented Key Committing Attacks against AES-based AEAD Schemes at IIT Bhilai in September 2024.
Implementing Grover’s on AES-based AEAD schemes got accepted in Scientific Reports.
Presented Key Committing Attacks against AES-based AEAD Schemes at FSE 2024, Leuven, Belgium.
Gleeok: A Family of Low-Latency PRFs and its Applications to Authenticated Encryption got accepted in IACR Transactions on Cryptographic Hardware and Embedded Systems.
Key Committing Attacks against AES-based AEAD Schemes got accepted in IACR Transactions on Symmetric Cryptology.
Attended Workshop on Asian Symmetric Key Cryptography 2023 from 01/12/2023 to 03/12/2023 at Jinan University in Guangzhou, China.
Revisiting Yoyo Tricks on AES (joint work with Sandip Kumar Mondal, Santanu Sarkar and Avishek Adhikari) got accepted in IACR Transactions on Symmetric Cryptology.
Revisiting the Boomerang Attack from a Perspective of 3-differential (joint work with Libo Wang, Ling Song, Baofeng Wu and Takanori Isobe) got accepted in IEEE Transactions on Information Theory.
Yoyo Cryptanalysis on Future (joint work with Sandip Kumar Mondal, Santanu Sarkar and Avishek Adhikari) got accepted in Int. Journal of Applied Cryptography.
Delivered a research talk on Capturing the Dependency between Correlated AND gates using MILP at Universität Mannheim on 01/08/2023.
Visited the group of Prof. Dr. Matthias Krause, Universität Mannheim from 22/07/2023 to 15/08/2023 regarding the "Design of Low-Energy Stream Cipher for 6G Application".
Past Events
Past Events
Ghidle: Efficient Large-State Block Ciphers for Post-Quantum Security is accepted in Australasian Conference on Information Security and Privacy (ACISP 2023). This is a joint work with members of University of Hyogo and Mitsubishi Electric Corporation, Japan.
Divide and Rule: DiFA - Division Property Based Fault Attacks on PRESENT and GIFT is accepted in Applied Cryptography and Network Security (ACNS) 2023. This is a joint work with researchers from ISI Kolkata (India), University of Haifa (Israel) and IIT Bhilai (India).
Attended Fast Software Encryption 2023 in Kobe, Japan.
Joined University of Hyogo as a Post-doctoral Researcher (PI- Prof. Takanori Isobe) on 1st Feb 2023.
Attended Indocrypt 2022 in Kolkata.
Joined as a Visiting Scientist at ISI Kolkata on 1st September 2022.
Presented the paper Boomeyong: Embedding Yoyo within Boomerang and its Applications to Key Recovery Attacks on AES and Pholkos in Fast Software Encryption 2022, Athens, Greece (short talk, full talk).
Joined as a Project Assistant at ISI Kolkata on 21st March 2022 (Co-Pi- Prof. Mridul Nandi)
Joined as a Senior Project Associate at IIT Bhilai on 4th February 2022 (PI- Prof. Dhiman Saha).
Get in touch at [mrahman454 [at] gmail [dot] com]
Get in touch at [mrahman454 [at] gmail [dot] com]
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