Author Description

Introduces recent results of Japanese research and development in post-DES (Data Encryption Standard) cryptography. topics covered include fundamental techniques in cryptography, practical results on the development of common-key cryptosystems, identify-based key distribution systems, authentication systems, key management, and the development of cryptographic instruments (such as encryption equipment devices [services] for voice communication). Provides a survey of Japanese advances in security techniques for concealing communications and file data, detecting illegal data modification, and data verification.