Title :
Coding theorems on Shannon´s cipher system with a general source
Author_Institution :
Inst. of Eng. Mech. & Syst., Tsukuba Univ., Ibaraki, Japan
Abstract :
We analyze Shannon´s (1949) cipher system with a general source. We completely determine the achievable rate region of a cryptogram and the key required for encryption of an output of sources with a one-point spectrum. An inner and an outer bound is given for the other sources
Keywords :
cryptography; decoding; error statistics; source coding; spectral analysis; Shannon´s cipher system; achievable rate region; coding theorems; cryptogram; decoding error probability; encryption; general source; inner bound; key; one-point spectrum; outer bound; secrecy; Codes; Cryptography; Decoding; Entropy; Error probability; Information analysis; Protection; Random variables; Systems engineering and theory;
Conference_Titel :
Information Theory, 2000. Proceedings. IEEE International Symposium on
Conference_Location :
Sorrento
Print_ISBN :
0-7803-5857-0
DOI :
10.1109/ISIT.2000.866450
