A New Class of Weak Keys for Blowfish. - Orhun Kara; Cevat Manap (FSE, 2007)

Reflection Attacks on Product Ciphers. - Orhun Kara (IACR Cryptol. ePrint Arch., 2007)

Real Time Cryptanalysis of Unsystematic Cipher. - Esen Akkemik; Orhun Kara (Security and Management, 2008)

Reflection Cryptanalysis of Some Ciphers. - Orhun Kara (INDOCRYPT, 2008)

Improved Cryptanalysis of SHAMATA-BC. - Adem Atalay; Orhun Kara; Ferhat Karakoç (IACR Cryptol. ePrint Arch., 2008)

Optimal Security Limits of RFID Distance Bounding Protocols. - Orhun Kara; Süleyman Kardas; Muhammed Ali Bingöl; Gildas Avoine (RFIDSec, 2010)

Fixed Points of Special Type and Cryptanalysis of Full GOST. - Orhun Kara; Ferhat Karakoç (CANS, 2012)

Square reflection cryptanalysis of 5-round Feistel networks with permutations. - Orhun Kara (Inf. Process. Lett., 2013)

Practical Cryptanalysis of Full Sprout with TMD Tradeoff Attacks. - Muhammed F. Esgin; Orhun Kara (IACR Cryptol. ePrint Arch., 2015)

Parametric Guess and Determine Attack on Stream Ciphers. - Orhun Kara; Ebru Küçükkubas (PIMRC Workshops, 2019)

On Analysis of Lightweight Stream Ciphers with Keyed Update. - Orhun Kara; Muhammed F. Esgin (IEEE Trans. Computers, 2019)

Selected Design and Analysis Techniques for Contemporary Symmetric Encryption. - Vasily Mikhalev; Miodrag J. Mihaljevic; Orhun Kara; Frederik Armknecht (Security of Ubiquitous Computing Systems, 2021)

Catalog and Illustrative Examples of Lightweight Cryptographic Primitives. - Aleksandra Mileva; Vesna Dimitrova; Orhun Kara; Miodrag J. Mihaljevic (Security of Ubiquitous Computing Systems, 2021)

Tradeoff attacks on symmetric ciphers. - Orhun Kara (IACR Cryptol. ePrint Arch., 2021)

Integral characteristics by keyspace partitioning. - Fatih Demirbas; Orhun Kara (Des. Codes Cryptogr., 2022)

Plaintext recovery and tag guessing attacks on authenticated encryption algorithm COLM. - Sirri Erdem Ulusoy; Orhun Kara; Mehmet Önder Efe (J. Inf. Secur. Appl., 2022)

New Security Proofs and Complexity Records for Advanced Encryption Standard. - Orhun Kara (IEEE Access, 2023)

A New Construction Method for Keystream Generators. - Çagdas Gül; Orhun Kara (IEEE Trans. Inf. Forensics Secur., 2023)

Robust and Energy-efficient Hardware Architectures for DIZY Stream Cipher. - Martin Schmid; Tolga Arul; Elif Bilge Kavun; Francesco Regazzoni 001; Orhun Kara (APCCAS, 2024)

Lower data attacks on Advanced Encryption Standard. - Orhun Kara (Turkish J. Electr. Eng. Comput. Sci., 2024)

Correction to "A New Construction Method for Keystream Generators". - Çagdas Gül; Orhun Kara (IEEE Trans. Inf. Forensics Secur., 2024)

Square impossible differential attack and security of AES in known plaintext scenario. - Orhun Kara (Cryptologia, 2025)