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List:       cryptography
Subject:    Re: [Cryptography] PAKE for embedded device (<64K RAM)?
From:       Ron Garret <ron () flownet ! com>
Date:       2017-02-27 20:08:12
Message-ID: ED3B3119-C42E-4476-BCC5-22DFAD672BB2 () flownet ! com
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On Feb 27, 2017, at 11:36 AM, Andrew P. Lentvorski <bsder@allcaps.org> wrote:

> On 2/27/17 8:07 AM, Ron Garret wrote:
> > First, in your subject line you mention that your device has <64k RAM. That is \
> > very unlikely to be your limiting factor. 64k RAM is plenty to implement just \
> > about any crypto algorithm and protocol (except, obviously, memory-hard password \
> > hashes, but those are trivially avoided simply by not using them). 
> I'm not sure I buy this completely.  Things like SRP require a not insignificant \
> chunk of OpenSSL, and that takes up a pretty big chunk of a 256K ROM/64K RAM \
> device.  None of the embedded crypto stacks seem to implement SRP.

Try this:

https://github.com/dwimberger/mbedtls-csrp

rg

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