... 1993 388 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 INTERNET SECURITY Metzger, P., and W Simpson, ‘IP Authentication ... P., and R Glenn, ‘Test Cases for HMAC-MD5 and HMAC-SHA-1’, RFC 2202, September 1997 Cheswick, W., and S Bellovin, Firewalls and Internet Security: Repelling the Wily Hacker Reading, MA: Addison-Wesley, ... Public-Key Cryptography Standards Public-Key Certificate Public-Key Infrastructure Post Office Protocol Port Protection Devices Point-to-Point Protocol Pseudo-Random Binary Sequence Privacy and Security...