“New” (well, not really new) PRF functions for PBKDF2

In Chapter 11, I indicated that the only PRF available for PBKDF2 was SHA-1. I believe this was true when it was written (during the early betas of iOS 5), but it was not true by the time iOS 5 was released. iOS offers both SHA-1 and SHA-2 PRFs for use in PBKDF2: enum {     kCCPRFHmacAlgSHA1 = 1,     kCCPRFHmacAlgSHA224 = 2,     kCCPRFHmacAlgSHA256 = 3,     kCCPRFHmacAlgSHA384 =...

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iOS 6 Programming Pushing the Limits

A brief introduction of what’s up in the next edition, iOS 6 Programming Pushing the Limits. http://blog.mugunthkumar.com/products/ios-6-programming-pushing-the-limits/

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