March 5, 2002
Practical Aspects of Modern Cryptography
5
Kerberos History
nDesigned as part of MIT’s Project Athena in the 1980’s
nKerberos v4 published in 1987
nMigration to the IETF
nRFC 1510 (Kerberos v5, 1993)
nUsed in a number of products
nExample: part of Windows 2000
nPassport is essentially Kerberos done w/ client-side cookies over HTTP