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From: Christoph Hellwig <hch@infradead.org>
To: Miloslav Trmac <mitr@redhat.com>
Cc: Herbert Xu <herbert@gondor.hengli.com.au>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
	netdev@vger.kernel.org
Subject: Re: RFC: Crypto API User-interface
Date: Tue, 7 Sep 2010 10:51:27 -0400	[thread overview]
Message-ID: <20100907145127.GA13027@infradead.org> (raw)
In-Reply-To: <421339997.1082251283870065826.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>

On Tue, Sep 07, 2010 at 10:34:25AM -0400, Miloslav Trmac wrote:
> - Don't use a FD for associated data that is limited to 16? bytes
> 
> - Don't use file descriptors for input data at all, if it makes the interface so complex.

Calling into the kernel for 16 bytes of crypto is a braindead idea to
start with.  To preve3nt idiots like you from abusing it we should
simply limit any userlevel crypto API to:

 a) hardware crypto that is not directly user space accesible
 b) page size or larger data

  parent reply	other threads:[~2010-09-07 14:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1847066281.1081601283869883727.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2010-09-07 14:34 ` RFC: Crypto API User-interface Miloslav Trmac
2010-09-07 14:41   ` Herbert Xu
2010-09-07 14:51   ` Christoph Hellwig [this message]
2010-09-07 14:54     ` Miloslav Trmac
     [not found] <834983542.1086561283871074929.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2010-09-07 14:52 ` Miloslav Trmac
2010-09-07 14:55   ` Christoph Hellwig
     [not found] <1590523029.1055831283858598965.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2010-09-07 11:27 ` Miloslav Trmac
2010-09-07 14:07   ` Herbert Xu
2010-09-07  8:42 Herbert Xu
2010-09-07  9:18 ` Tomas Mraz
2010-09-07 14:06 ` Christoph Hellwig
2010-09-07 14:11   ` Herbert Xu
2010-09-07 14:24     ` Christoph Hellwig
2010-09-07 14:39       ` Herbert Xu
2010-09-07 14:49     ` Nikos Mavrogiannopoulos
2010-09-07 14:57   ` Nikos Mavrogiannopoulos
2010-09-07 14:59     ` Christoph Hellwig
2010-10-19 13:44 ` Herbert Xu
2010-10-20 10:24   ` Nikos Mavrogiannopoulos
2010-11-04 17:34   ` Herbert Xu

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