Here's the NSAs recommendations for securing iOS devices: http://www.nsa.gov/ia/_files/os/applemac/Apple_iOS_5_Guide.pdf

This submission looks like typical content farm / blogspam junk so here's some useful links instead:

• The BrowserID main page: https://www.browserid.org/
• Mozilla Identity Team's blog: http://identity.mozilla.com/
• Source Code: https://github.com/mozilla/browserid

Do you really want to be using a library from someone who thinks 'odd' means divisible by 3? Or that you'd need a library function for this? but hey at least he's got tests...

https://github.com/ollym/toolkit/commit/ede890a31eb1cad52d8f3bcd30e5c0afa8cc60e3

The ironic part is that the originally proposed name for the state was Columbia but Congress thought that would be too easily confused with the District of Columbia.