Unlinkable Policy-based Sanitizable Signatures. - Ismail Afia; Riham AlTawy (IACR Cryptol. ePrint Arch., 2022)

vPass: Publicly Verifiable Fair Exchange Protocol for Vehicle Passports. - Ismail Afia; Hisham S. Galal; Riham AlTawy; Amr M. Youssef (ICBC, 2023)

Traceable Policy-Based Signatures with Delegation. - Ismail Afia; Riham AlTawy (IACR Cryptol. ePrint Arch., 2023)

Extended Policy-Based Sanitizable Signatures. - Ismail Afia; Riham AlTawy (Inscrypt (2), 2024)