Cryptanalysis of GSM encryption algorithm A5/1. - Vahid Amin Ghafari; Ali Vardasbi; Javad Mohajeri (ISC Int. J. Inf. Secur., 2012)

A New Chosen IV Statistical Attack on Grain-128a Cipher. - Vahid Amin Ghafari; Honggang Hu (CyberC, 2017)

Necessary conditions for designing secure stream ciphers with the minimal internal states. - Vahid Amin Ghafari; Honggang Hu; Mohammadsadegh Alizadeh (IACR Cryptol. ePrint Arch., 2017)

Fruit-80: A Secure Ultra-Lightweight Stream Cipher for Constrained Environments. - Vahid Amin Ghafari; Honggang Hu (Entropy, 2018)

On designing secure small-state stream ciphers against time-memory-data tradeoff attacks. - Vahid Amin Ghafari; Honggang Hu; Fujiang Lin (IACR Cryptol. ePrint Arch., 2019)

A new chosen IV statistical distinguishing framework to attack symmetric ciphers, and its application to ACORN-v3 and Grain-128a. - Vahid Amin Ghafari; Honggang Hu (J. Ambient Intell. Humaniz. Comput., 2019)

A new idea in response to fast correlation attacks on small-state stream ciphers. - Vahid Amin Ghafari; Fujiang Lin (IACR Cryptol. ePrint Arch., 2020)

An Attack on the LILLE Stream Cipher. - Vahid Amin Ghafari; Mohammad Ali Orumiehchiha; Saeed Rostami (IACR Cryptol. ePrint Arch., 2023)

A new idea in response to fast correlation attacks on small-state stream ciphers. - Vahid Amin Ghafari; Fujiang Lin; Zhongzhi Zhou (Microprocess. Microsystems, 2023)

Multiple Sampling Fast Correlation Attack on Small State Stream Ciphers with Limited Round Key Period. - Zhongzhi Zhou; Vahid Amin Ghafari; Hui Liu (IACR Cryptol. ePrint Arch., 2024)

An Attack on a Proposed Construction of Small-State Stream Ciphers and Proposals for New Constructions. - Vahid Amin Ghafari; Mahmoud Ahmadian-Attari (Comput. J., 2024)