Perfect Subliminal Channel in a Paring-Based Digital Signature

• Published in: 2009 International Conference on Computational Intelligence and Security Vol. 1; pp. 455 - 457
• Main Authors: Zhenyou Wang, Wei Gao, Li'e Chen, Fei Li
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.12.2009
• Subjects: Bandwidth; Communication channels; Computational intelligence; Counting circuits; Cryptography; digital signature; Digital signatures; Educational institutions; Information security; Mathematics; Narrowband; subliminal channel

This paper shows that a broad-band subliminal channel can be easily constructed in the recently proposed paring based signature scheme. The existence of this subliminal channel just disproves Simmons' conjectures on the bandwidth of the subliminal channel in a digital signature.