W3C home > Mailing lists > Public > public-webcrypto-comments@w3.org > November 2012

RE: RSA blind signatures

From: Mike Jones <Michael.Jones@microsoft.com>
Date: Sat, 24 Nov 2012 06:57:16 +0000
To: Stefan Xenon <stefanxe@gmx.net>, "public-webcrypto-comments@w3.org" <public-webcrypto-comments@w3.org>, "sleevi@google.com" <sleevi@google.com>
Message-ID: <4E1F6AAD24975D4BA5B1680429673943668FDACB@TK5EX14MBXC283.redmond.corp.microsoft.com>
For what it's worth, I know of other groups interested in native speed bigint math in JavaScript.

-- Mike

From: Stefan Xenon
Sent: 11/23/2012 8:15 AM
To: public-webcrypto-comments@w3.org; sleevi@google.com
Subject: Re: RSA blind signatures

Hi Ryan,
by any chance, could we propose such bigint API? If this would have a
realistic chance, how is the process to move forward?


Am 23.11.2012 18:43, schrieb Ryan Sleevi:
> A bigint API has not been proposed.
> On Nov 23, 2012 1:47 AM, "Stefan Xenon" <stefanxe@gmx.net
> <mailto:stefanxe@gmx.net>> wrote:
>     Hi!
>     We are developing a system (<http://>www.opencoin.org
>     <http://www.opencoin.org>) which uses Chaum's RSA
>     blind signatures. Of course I don't expect the Web Crypto API to
>     natively support blind signatures. Instead we would like to utilize
>     "raw" big integer operations to speed up our calculations. But In your
>     current draft I couldn't find such basic operations exposed to web
>     applications. Primarily we would need big integer operations for
>     exponentiation and inverting (both modulo). Did I overlook such
>     functions? Or would it be possible for your API to expose such functions
>     to web applications?
>     Regards,
>     Stefan
Received on Saturday, 24 November 2012 06:57:59 UTC

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