For Full-Text PDF, please login, if you are a member of IEICE,|
or go to Pay Per View on menu list, if you are a nonmember of IEICE.
Message Authentication for Stream
Hidenori KUWAKADO Hatsukazu TANAKA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/01/01
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Cryptography and Information Security)
information security, message authentication, stream, hash function,
Full Text: PDF(142.2KB)>>
The function of a message authentication code (MAC) is to verify the validity of a whole message. The disadvantage of usual MACs is that a receiver can not check its validity until the receipt of a message is finished. Hence, usual MACs are not suitable for verifying a large amount of data such as video and audio (called stream). In this letter, we propose a MAC such that the validity of a stream can be consecutively verified without waiting for the end of the reception. In addition, we show its implementations: one is based on practical hash functions, and the other is based on universal hash functions.