[Cryptech Tech] Work package suggestion: Cryptech on Novena

[Joachim Strömbergson]

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Aloha!

Randy Bush wrote:
> i think this would have been better said that a ring buffer is how i 
> would implement a fifo.

I suspect that we are going off a tangent here. To me a ring buffer is a
list of memory blocks that allows the writer as well as the reader to
access different blocks as they choose. For example can the writer write
to one or more blocks. The ring buffer is supported by counters etc to
keep track of amount of unprocessed data.

In FIFO otoh, the writer writes to the same set of addresses (the same
block/port) and functionality within the FIFO ensures that multiple
blocks are in fact written. Similarly, the reader always reads from the
same addresses.

The big difference is access to the internal storage of the buffer/fifo
and transparency. And who owns/controls the read and write pointers.


> nothing is automatic except death and taxes

And Internet cats.
And bike sheds.
And off by one errors.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
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 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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