%% You should probably cite rfc2085 instead of this I-D. @techreport{ietf-ipsec-ah-hmac-md5-03, number = {draft-ietf-ipsec-ah-hmac-md5-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-ipsec-ah-hmac-md5/03/}, author = {Michael Oehler and K. Robert Glenn}, title = {{HMAC-MD5 IP Authentication with Replay Prevention}}, pagetotal = 6, year = 1996, month = oct, day = 31, abstract = {This document describes a keyed-MD5 transform to be used in conjunction with the IP Authentication Header {[}RFC-1826{]}. The particular transform is based on {[}HMAC-MD5{]}. An option is also specified to guard against replay attacks. {[}STANDARDS-TRACK{]}}, }