github/diceware
1
0
Fork 0
mirror of https://github.com/dmuth/diceware.git synced 2024-11-21 16:36:28 -05:00
Code Issues Projects Releases Packages Wiki Activity

Added check for crypto into getRandomValue().

Browse source
This commit is contained in:
Douglas Muth 2017-02-01 21:55:38 -05:00
parent 5cb69f140f
commit 61fb6fa227
1 changed files with 14 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
main.js
View file

@ -29,10 +29,21 @@ Diceware.getRandomValue = function(max) {
return(NaN);
}
if (Diceware.i_can_has_good_crypto()) {
var a = new Uint32Array(1);
window.crypto.getRandomValues(a);
retval = (a[0] % max);
} else {
//
// Fall back to something way less secure. The user has already
// been warned.
//
retval = Math.floor(Math.random() * max);
}
return(retval);
} // End of getRandomValue()