Network Working Group P. Metzger Request for Comments: 1852 Piermont Category: Experimental W. Simpson Daydreamer September 1995 IP Authentication using Keyed SHA Status of this Memo This document defines an Experimental Protocol for the Internet community. This does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested. Distribution of this memo is unlimited. Abstract This document describes the use of keyed SHA with the IP Authentication Header. Table of Contents 1. Introduction .......................................... 2 1.1 Keys ............................................ 2 1.2 Data Size ....................................... 2 1.3 Performance ..................................... 2 2. Calculation ........................................... 3 SECURITY CONSIDERATIONS ...................................... 4 ACKNOWLEDGEMENTS ............................................. 4 REFERENCES ................................................... 5 AUTHOR'S ADDRESS ............................................. 6 Metzger & Simpson Experimental