Ueli M. Maurer. Conditionally-Perfect Secrecy and a Provably-Secure Randomized Cipher. J. Cryptology, 5(1):53-66, 1992.
@article{Maurer92:6, title = {Conditionally-Perfect Secrecy and a Provably-Secure Randomized Cipher}, author = {Ueli M. Maurer}, year = {1992}, researchr = {https://researchr.org/publication/Maurer92%3A6}, cites = {0}, citedby = {0}, journal = {J. Cryptology}, volume = {5}, number = {1}, pages = {53-66}, }