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

Re: Inclusion of rsaes-pkcs1

From: Arun Ranganathan <arun@mozilla.com>
Date: Wed, 5 Sep 2012 17:33:33 -0400
Cc: "public-webcrypto@w3.org Working Group" <public-webcrypto@w3.org>, Ryan Sleevi <sleevi@google.com>
Message-Id: <1F366AD4-53B3-42B8-ACBC-33A50F54F3C7@mozilla.com>
To: Wan-Teh Chang <wtc@google.com>
On Sep 5, 2012, at 5:07 PM, Wan-Teh Chang wrote:

> On Wed, Sep 5, 2012 at 12:07 PM, Arun Ranganathan <arun@mozilla.com> wrote:
>> rsleevi,
>> 
>> Given NSS support, I'm inclined to add "rsaes-pkcs1" to the list of recommended
>> algorithms.
> 
> Since RSASSA-PKCS1-v1_5 using SHA-256 (as opposed to RSA-PSS using
> SHA-256) is on the list of recommended algorithms, I think it is
> reasonable extrapolation to add RSAES-PKCS1-v1_5 to the list as a
> recommended key transport algorithm.
> 
> Note: in draft-ietf-jose-json-web-algorithms-05, RSAES-PKCS1-V1_5
> (called "RSA1_5") is REQUIRED whereas RSA-OAEP is OPTIONAL.
> 


This leads me to wonder whether we should say "recommended for" and "only recommended for" in terms of usage.  Maybe we should discourage signing, for example.


> Wan-Teh
> 
Received on Thursday, 6 September 2012 14:23:27 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Thursday, 6 September 2012 14:23:27 GMT