Having the author or publisher of a document compute a digital signature for its bit-string
content is a reasonable use of cryptographic tools for this purpose.(See, for example,[R 95 …

Abstract In 1989, Ron Rivest introduced the MD2 Message Digest Algorithm which takes as
input a message of arbitrary length and produces as output a 128-bit message digest, by …

This paper gives a survey of attacks on Message Authentication Codes (MACS). First it
defines the required security properties. Next it describes generic forgery and key recovery …

For businesses, large and small alike, computing and networking technology is quickly
becoming an absolute necessity. Computers are already populating many offices by …

Thousands of computer users utilize systems requiring that they prove their identity in order
to access specific services. This procedure, called authentication, usually requires the …

In this paper the term security is used as the reliability of communication between the
consumer and the commercial Internet site. Due to the nature of the Internet, or generally the …