"Allocate an UInt8 array of length size, all zeros"
allocate(size) = zeros(UInt8, size)
const SRND = Random.RandomDevice()
"Allocate a criptographycally secure random UInt8 array of length size"
rallocate(size) = rand(# SRND, # FIXME: Sometimes it freeze...
                       UInt8, size)

"""Replace all elements of an array with zeros.  A custom function accepting
"type" may be passed as FUNC argument used instead of ZERO"""
function erase!(array::Array{T}; func = zero) where T
    for i in 1:length(array)
        array[i] = func(T)
    end
end