%0 Journal Article %T Multiple image encryption based on known-plaintext attack and modified G-S phase retrieval algorithm %A Rajput, Sudheesh K. %A Nishchal, Naveen K. %J Proceedings of SPIE %V 8769 %P 87690X-87690X-7 %@ 0277-786X %D 2013-06-22 %I SPIE %~ DeepDyve