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Re: [Curdle] comments on draft-ietf-curdle-rsa-sha2-03.txt

Watson Ladd <watsonbladd@gmail.com> Fri, 07 April 2017 18:50 UTC

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From: Watson Ladd <watsonbladd@gmail.com>
Date: Fri, 07 Apr 2017 11:50:05 -0700
Message-ID: <CACsn0c=62mYoYm5MMBK5WKXQjffFBrHDd1EgOZ7vo-JkDgg+Dw@mail.gmail.com>
To: Daniel Migault <daniel.migault@ericsson.com>
Cc: denis bider <denisbider.ietf@gmail.com>, "curdle@ietf.org" <curdle@ietf.org>, Ilari Liusvaara <ilariliusvaara@welho.com>, Peter Gutmann <pgut001@cs.auckland.ac.nz>
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Subject: Re: [Curdle] comments on draft-ietf-curdle-rsa-sha2-03.txt
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On Fri, Apr 7, 2017 at 11:43 AM, Daniel Migault
<daniel.migault@ericsson.com> wrote:
> Hi,
>
> In the chicago meeting [1], the consensus seems that even though pss would
> be defined, there is no plane to implement nor to use it. I am confirming
> this consensus on the mailing list. If you desagree with that, please raise
> your opinion. If not we will move the draft forward.

I strongly object. PKCS 1.5 signature verification has a long and
inglorious history of exploitation. PSS does not. Ideally everyone
would have used FDH or equivalently strong signatures, with simple
verification, but that didn't happen.

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