335 reputation
17
bio website robnapier.net
location Raleigh, NC
age 42
visits member for 3 years, 1 month
seen Oct 9 at 20:41

Rob is a builder of treehouses, hiker, proud father, and in his spare 50-60 hours a week, a Mac and iPhone developer. He's coauthor of iOS 6 Programming Pushing the Limits. Cocoaphony is where he pontificates on various issues fascinating to Cocoa developers, and occasionally other topics of technical interest. You can find more information about him on LinkedIn. Or mail him at robnapier on gmail. Now and then he tweets at @cocoaphony.


Jan
22
revised Encrypting or HMACing password digests
added 344 characters in body
Jan
22
revised Computing IV for CBC from PBKDF2 + HKDF
Additional information and links.
Jan
15
revised Computing IV for CBC from PBKDF2 + HKDF
added 29 characters in body
Oct
4
revised Using a mono-alphabetic substitution cipher with a different language per word
Respond to comments. Explain homophonic ciphers.