2017
Mar
29
revised Allow only specific devices to be connected to USB
seems more logical this way, there are even arrows on the 2nd picture
2016
Dec
28
revised Include input data in key stretching?
tweak concatenation order
Dec
27
revised Include input data in key stretching?
proper digit grouping
Dec
26
revised Strong PHP hashing without salt
fix a variable
Nov
15
revised Strong PHP hashing without salt
deleted there