The FEAL-8 Cryptosystem and a Call for Attack

With the aim of providing a highly programming efficient cipher system, NTT has developed the open cipher algorithm, FEAL-8 (Fast Data Encipherment Algorithm) [1][2][3], which is a type of secret key cryptosystem.

[1]  A. Shimizu,et al.  Fast data encipherment algorithm FEAL-8 , 1978 .

[2]  Shoji Miyaguchi,et al.  FEAL - Fast Data Encipherment Algorithm , 1988, Systems and Computers in Japan.

[3]  Shoji Miyaguchi,et al.  Fast Data Encipherment Algorithm FEAL , 1987, EUROCRYPT.