Re: [Nbd] Easier use, authentication
- To: Alex Bligh <alex@...872...>
- Cc: nbd-general@lists.sourceforge.net, Wouter Verhelst <w@...112...>
- Subject: Re: [Nbd] Easier use, authentication
- From: Folkert van Heusden <folkert.van.heusden@...17...>
- Date: Mon, 26 Sep 2011 12:37:40 +0200
- Message-id: <CAFDOyVBH5MhGqFqiPp1Toxy+WtE9aGOfb9HUNQ5etDv3xhix_w@...18...>
- In-reply-to: <B2C35EDE182E93580C0A92E4@...873...>
- References: <CAEjYwfXAjOwZ-=igJ6Ojyti43STga3uRwNTfjmzG4Eu8h2xmVg@...18...> <20110925222423.GB22107@...3...> <CAEjYwfVE3GhmDz_UpocvQPrzJpvLk47mRpVGBRF9PrRV2eBfXg@...18...> <20110926101148.GB4205@...3...> <6577973721D7B20FC94597A6@...873...> <CAFDOyVCWE4L3YOxDNb57BBY8bsj4mZGaexNmZfB75onCGiq1pQ@...18...> <B2C35EDE182E93580C0A92E4@...873...>
>>>> we'll only do one hash
>>>> at the beginning of the connection
>>>
>>> Hopefully you'll do at least 2, and (if authenticating the other way) 4!
>>> But yes.
>>
>> Why 2/4?
>
> 2 because you have to carry out the hash on both ends in order to
> compare them.
Maybe I'm missing something but isn't obvious that you need to hash at
both sides to be able to verify at all?
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