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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [RFC 3/4] FIT: add FIT image support
Date: Fri, 13 Mar 2015 17:06:11 +0100	[thread overview]
Message-ID: <55030AF3.8050903@pengutronix.de> (raw)
In-Reply-To: <20150313155423.GB24510@ns203013.ovh.net>


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On 03/13/2015 04:54 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>>> if you can break rsa4096, the chance you can break ECC are high too
>>
>> If you want to open the box, today you would probably not break
>> rsa2048/sha1 (unless you have huge calculation power) but look for
>> implementation weaknesses, like bugs or side channel attacks.
> 
> I alredy see it done on rsa1024 few years ago, today rs2048 is supposedly
> secured but as you hw may have to run for 10 years rs2048/sha1 is considered not
> strong enough

Some thoughts on 2048 vs. 4096:
https://www.yubico.com/2015/02/big-debate-2048-4096-yubicos-stand/

While sha1 is considered broken.

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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  reply	other threads:[~2015-03-13 16:06 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-12 14:39 [RFC 0/4] FIT Support Jan Luebbe
2015-03-12 14:39 ` [RFC 1/4] digest: Make filename arguments const Jan Luebbe
2015-03-13  7:40   ` Sascha Hauer
2015-03-12 14:39 ` [RFC 2/4] Add rsa support Jan Luebbe
2015-03-12 17:47   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13  9:35     ` Jan Lübbe
2015-03-13  9:56       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 10:06         ` Sascha Hauer
2015-03-13 10:12           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 10:22             ` Jan Lübbe
2015-03-13 10:26               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 10:10         ` Jan Lübbe
2015-03-13 10:25           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 10:43             ` Jan Lübbe
2015-03-13 15:49               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:00                 ` Jan Lübbe
2015-03-16 10:27                   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 11:25                     ` Jan Lübbe
2015-03-16 11:33                       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 15:42                         ` Jan Lübbe
2015-03-17 10:48                           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-17 12:09                             ` Jan Lübbe
2015-03-17 12:39                               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-17 12:57                                 ` Jan Lübbe
2015-03-12 14:39 ` [RFC 3/4] FIT: add FIT image support Jan Luebbe
2015-03-12 18:19   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13  9:28     ` Jan Lübbe
2015-03-13 10:05       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 10:21         ` Jan Lübbe
2015-03-13 14:28           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 15:41             ` Jan Lübbe
2015-03-13 16:08               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:19                 ` Jan Lübbe
2015-03-16 11:14                   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 12:08                     ` Jan Lübbe
2015-03-16 12:19                       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 13:28                         ` Jan Lübbe
2015-03-16 13:51                           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 14:31                             ` Jan Lübbe
2015-03-16 14:40                               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 14:50                                 ` Jan Lübbe
2015-03-13 11:33         ` Marc Kleine-Budde
2015-03-13 15:54           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 16:06             ` Marc Kleine-Budde [this message]
2015-03-13 17:00               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:04                 ` Jan Lübbe
2015-03-16 10:28                   ` Jean-Christophe PLAGNIOL-VILLARD
2015-12-29 10:18   ` Yegor Yefremov
2015-03-12 14:39 ` [RFC 4/4] FIT: add test config and data [do not merge] Jan Luebbe
2015-03-12 14:51 ` [RFC] digest: Add enum Jan Luebbe
2015-03-12 17:50   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13  9:54     ` Jan Lübbe
2015-03-13 10:10       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-13 18:50         ` Robert Schwebel
2015-11-11 11:39 ` [RFC 0/4] FIT Support Yegor Yefremov
2015-11-13 11:35   ` Antony Pavlov
2015-11-13 12:54   ` Sascha Hauer
2015-12-29  8:10     ` Yegor Yefremov
2016-01-05  8:11     ` Marc Kleine-Budde

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