Packet Radio in the Amateur Service. - Philip R. Karn; Harold E. Price; Robert J. Diersing (IEEE J. Sel. Areas Commun., 1985)

UNIX Password Security - Ten Years Later. - David C. Feldmeier; Philip R. Karn (CRYPTO, 1989)

Improving Round-Trip Time Estimates in Reliable Transport Protocols. - Phil Karn; Craig Partridge (ACM Trans. Comput. Syst., 1991)

The Qualcomm CDMA Digital Cellular System. - Phil Karn (Symposium on Mobile and Location-Independent Computing, 1993)

The ESP DES-CBC Transform. - Phil Karn; Perry Metzger; William Allen Simpson (RFC, 1995)

The ESP Triple DES Transform. - Phil Karn; Perry Metzger; William Allen Simpson (RFC, 1995)

ICMP Security Failures Messages. - Philip R. Karn; William Allen Simpson (RFC, 1999)

Photuris: Session-Key Management Protocol. - Phil Karn; William Allen Simpson (RFC, 1999)

Photuris: Extended Schemes and Attributes. - Philip R. Karn; William Allen Simpson (RFC, 1999)

IP data services over CDMA digital cellular. - Phil Karn (ACM SIGMOBILE Mob. Comput. Commun. Rev., 2000)

Advice for Internet Subnetwork Designers. - Phil Karn; Carsten Bormann; Gorry Fairhurst; Dan Grossman; Reiner Ludwig; Jamshid Mahdavi; Gabriel Montenegro; Joe Touch; Lloyd Wood (RFC, 2004)