src/HOL/Auth/Yahalom2.thy
1996-12-13 paulson 1996-12-13 Removed needless quotation marks
1996-11-29 paulson 1996-11-29 Swapped arguments of Crypt (for clarity and because it is conventional)
1996-11-01 paulson 1996-11-01 New version with simpler disambiguation in YM3, Oops message, and no encryption in YM2
1996-10-18 paulson 1996-10-18 New version of Yahalom, as recommended on p 259 of BAN paper