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Published in:
1994 | OriginalPaper | Chapter
Linear Cryptanalysis of the Fast Data Encipherment Algorithm
Authors : Kazuo Ohta, Kazumaro Aoki
Published in: Advances in Cryptology — CRYPTO ’94
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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This paper discusses the security of the Fast Data Encipherment Algorithm (FEAL) against Linear Cryptanalysis. It has been confirmed that the entire subkeys used in FEAL-8 can be derived with 225 pairs of known plaintexts and ciphertexts with a success rate approximately 70% spending about 1 hour using a WS (SPARCstation 10 Model 30). This paper also evaluates the security of FEAL-N in comparison with that of the Data Encryption Standard (DES).