black box steganography

Upper and lower bounds on black-box steganography

FREE-DOWNLOAD N Dedic, G Itkis, L Reyzin… – Journal of cryptology, 2009
Abstract. We study the limitations of steganography when the sender is not using any properties
of the underlying channel beyond its entropy and the ability to sample from it. On the negative
side, we show that the number of samples the sender must ob- tain from the channel is