- From: Cedric Vivier <cedricv@neonux.com>
- Date: Sat, 12 Feb 2011 02:00:15 +0800
On Fri, Feb 11, 2011 at 19:38, Adam Barth <w3c at adambarth.com> wrote: > Just to followup on this thread, I've landed this feature in WebKit. > I'm not sure whether it made it into tonight's nightly, but it should > be in a nightly shortly. Nice! > interface Crypto { > ?void getRandomValues(in ArrayBufferView array) raises(DOMException); > }; > If the ArrayBufferView isn't a Uint8Array , getRandomValues throws > an exception (VALIDATION_ERR Is there a specific reason for this limitation? Imho it should throw only for Float32Array and Float64Array since unbounded random floating numbers does not really make sense (including because of NaN and +inf -inf). However some use cases might prefer signed Int8Array or any other integer type and it doesn't change anything to the implementation : filling bytes to the ArrayBufferView's underlying ArrayBuffer). Like for instance you can do below in C to get random 32-bit numbers directly (though 'read' might very well get them one byte at a time from /dev/random) : int32_t random_32bit_integers[32]; read(dev_random_fd, random_32bit_integers, sizeof(random_32bit_integers)) Regards,
Received on Friday, 11 February 2011 10:00:15 UTC