Comments on: Javascript Cryptography on the iPhone http://watchitlater.com/blog/2009/05/javascript-cryptography-on-the-iphone/ A reluctant foray into the world of blogging. Mon, 06 Sep 2010 11:01:13 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Tom http://watchitlater.com/blog/2009/05/javascript-cryptography-on-the-iphone/comment-page-1/#comment-2745 Tom Mon, 04 May 2009 13:41:14 +0000 http://watchitlater.com/blog/?p=34#comment-2745 Thanks Robert. I'll give it a go and see how quickly the page changes after I enter the magic password. Thanks Robert. I’ll give it a go and see how quickly the page changes after I enter the magic password.

]]> By: Robert http://watchitlater.com/blog/2009/05/javascript-cryptography-on-the-iphone/comment-page-1/#comment-2741 Robert Mon, 04 May 2009 00:02:39 +0000 http://watchitlater.com/blog/?p=34#comment-2741 Sounds neat. I've been finding that 90% of the trick to get good javascript performance from the iPhone is to break the work into chunks and process them using timeouts. The known display size of the iPhone helps here... Try breaking your passwords into groups of 10-20 and then decrypt them in those groups with a 0 millisecond timeout in between. The timeout gives the browser a chance to rerender and then the decryption will keep up with you scrolling. Sounds neat.

I’ve been finding that 90% of the trick to get good javascript performance from the iPhone is to break the work into chunks and process them using timeouts. The known display size of the iPhone helps here… Try breaking your passwords into groups of 10-20 and then decrypt them in those groups with a 0 millisecond timeout in between. The timeout gives the browser a chance to rerender and then the decryption will keep up with you scrolling.

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