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Re: [Cfrg] New Version Notification for draft-whyte-select-pkc-qsh-00.txt

Simon Josefsson <simon@josefsson.org> Mon, 21 September 2015 21:47 UTC

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From: Simon Josefsson <simon@josefsson.org>
To: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>
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Date: Mon, 21 Sep 2015 23:47:39 +0200
In-Reply-To: <D225ECBE.1F50D%uri@ll.mit.edu> (Uri Blumenthal's message of "Mon, 21 Sep 2015 21:35:19 +0000")
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Subject: Re: [Cfrg] New Version Notification for draft-whyte-select-pkc-qsh-00.txt
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"Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu> writes:

>>The majority of libraries we are talking about (OpenSSL,
>>libgcrypt, Apple's crypto libraries, Microsoft's crypto libraries, etc)
>>are sold commercially.
>
> So I suspect that Apple and Microsoft paid licensing fees to all the
> patent holders of all the relevant patented algorithms (ECC comes to mind)
> that their crypto libraries contain.
>
>>I cannot come up with any crypto library that
>>would be relevant to the Internet that is not sold commercially.
>            ^^^^^^^^^^^^^^^^^^^^^^^^ not sure here
> Last I checked, OpenSSL was freely available. Same with libgcrypt.
>
> Not sure about the “relevant to Internet” part, but: Crypto++, Botan,
> PyCrypto.

They are all sold commercially.  Freely available doesn't mean you can't
sell them.  In fact, a free software license requires users to have the
ability to sell the software.

/Simon

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