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From: Rich <rich@example.invalid>
Newsgroups: sci.crypt
Subject: Re: lun - Lucky Number
Date: Sun, 9 Mar 2025 04:02:27 -0000 (UTC)
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Richard Heathfield <rjh@cpax.org.uk> wrote:
> On 08/03/2025 21:32, Rich wrote:
> 
> <snip>
> 
>> Looking at the source, how does someone with pencil and paper perform
>> this magic?:
>> 
>>    n, _ := rand.Int(rand.Reader, max)
> 
> Roll some dice.
> 
> d4 give you two bits at a time, d8 give you three, or d16 give 
> you four. Quick and easy. Or if you prefer decimal, d10s are also 
> readily available.

True, that will work.  Die for generating, pencil and paper for 
'recording' the result.

However, if one had pencil, paper, and no die anywhere?

>> As well, with just pencil and paper, obtaining a Unix epoch is quite 
>> an interesting 'by hand' calculation in order to perform this:
>> 
>>    epochTime := time.Now().Unix()
> 
> You can skip that part by pretending it's 1970.

Very true.  Although then the offset random number is also identical to 
the non-offset number.  Not that the offset is actually doing anything.