John Perry Barlow: Decrypting the Puzzle Palace
https:// groups.csail.mit.edu/mac/classes/6.805/articles/digital-telephony/Barlow_decrypting_puzzle_palace.html
John Perry Barlow: Decrypting the Puzzle Palace
https:// groups.csail.mit.edu/mac/classes/6.805/articles/digital-telephony/Barlow_decrypting_puzzle_palace.html