Research Article
Statistical Analysis Of Error Patterns in Block Ciphered Crypto-System
@INPROCEEDINGS{10.1109/ChinaCom.2011.6158271, author={Qiuhua Yang and Jian Wang and Shuangqing Wei and Jian Yuan}, title={Statistical Analysis Of Error Patterns in Block Ciphered Crypto-System}, proceedings={6th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2012}, month={3}, keywords={block encryption error characteristics encrypted channel transition probability}, doi={10.1109/ChinaCom.2011.6158271} }- Qiuhua Yang
Jian Wang
Shuangqing Wei
Jian Yuan
Year: 2012
Statistical Analysis Of Error Patterns in Block Ciphered Crypto-System
CHINACOM
IEEE
DOI: 10.1109/ChinaCom.2011.6158271
Abstract
In the presence of channel errors, the error pattern in decrypted plaintexts in block-ciphered systems demonstrates certain burst features. In this paper, we provide a rigorous study of error properties of block-ciphered cryptosystems operating in either ECB or CFB mode. By analyzing the relationship between bits within and across adjacent output blocks, we obtain the resulting equivalent channel transitional probabilities for each case. Our statistical characterization of the underlying burst patterns is of great importance to designing powerful error correcting codes that can enhance a legitimate system’s throughput under channel distortions.
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