Title :
Correlation attacks, convolutional codes, and iterative decoding
Author :
Johansson, Thomas ; Jönsson, Fredrik
Author_Institution :
Dept. of Inf. Technol., Lund Univ., Sweden
Abstract :
This paper overviews new methods for fast correlation attacks on stream ciphers, based on convolutional codes. Identification of embedded structures of concatenated convolutional codes (both parallel and serial) in the shift register code, providing increased performance, is considered
Keywords :
concatenated codes; convolutional codes; correlation methods; cryptography; iterative decoding; turbo codes; convolutional codes; embedded structures identification; fast correlation attacks; iterative decoding; parallel concatenated convolutional codes; serial concatenated convolutional codes; shift register code; stream ciphers; Boolean functions; Concatenated codes; Convolutional codes; Information technology; Iterative decoding; Linear feedback shift registers; Parity check codes; Polynomials; Shift registers; Zinc;
Conference_Titel :
Information Theory and Communications Workshop, 1999. Proceedings of the 1999 IEEE
Conference_Location :
Kruger National Park
Print_ISBN :
0-7803-5268-8
DOI :
10.1109/ITCOM.1999.781408
