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From: Eric Biggers <ebiggers@kernel.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Pascal Van Leeuwen <pvanleeuwen@insidesecure.com>,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Subject: Re: another testmgr question
Date: Fri, 24 May 2019 18:22:59 -0700	[thread overview]
Message-ID: <20190525012258.GC713@sol.localdomain> (raw)
In-Reply-To: <CAKv+Gu_Pxv97rpt7Ju0EdtFnXqp3zoYfHtm1Q51oJSGEAZmyDA@mail.gmail.com>

On Fri, May 24, 2019 at 11:25:52AM +0200, Ard Biesheuvel wrote:
> 
> All userland clients of the in-kernel crypto use it specifically to
> access h/w accelerators, given that software crypto doesn't require
> the higher privilege level (no point in issuing those AES CPU
> instructions from the kernel if you can issue them in your program
> directly)

Unfortunately people also use AF_ALG because they're too lazy to use a userspace
crypto library, e.g. systemd uses it for HMAC-SHA256, and iproute2 uses it for
SHA-1.

- Eric

  parent reply	other threads:[~2019-05-25  1:23 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AM6PR09MB3523CED0B1587FCBDE4095A0D2010@AM6PR09MB3523.eurprd09.prod.outlook.com>
     [not found] ` <20190523185833.GA243994@google.com>
2019-05-23 19:32   ` another testmgr question Pascal Van Leeuwen
2019-05-23 20:05     ` Eric Biggers
2019-05-23 21:43       ` Pascal Van Leeuwen
2019-05-23 23:48         ` Eric Biggers
2019-05-24  8:44           ` Pascal Van Leeuwen
2019-05-24  8:46             ` Christophe Leroy
2019-05-24  8:49               ` Jeffrey Walton
2019-05-24  9:42                 ` Pascal Van Leeuwen
2019-05-24  9:21               ` Pascal Van Leeuwen
2019-05-24  9:25                 ` Ard Biesheuvel
2019-05-24  9:34                   ` Pascal Van Leeuwen
2019-05-24  9:45                     ` Ard Biesheuvel
2019-05-24  9:57                       ` Pascal Van Leeuwen
2019-05-24 11:09                         ` Ard Biesheuvel
2019-05-27  9:52                           ` Pascal Van Leeuwen
2019-05-24 10:13                       ` Pascal Van Leeuwen
2019-05-24 10:43                         ` Kamil Konieczny
2019-05-24 10:54                           ` Christophe Leroy
2019-05-27  9:44                       ` Pascal Van Leeuwen
2019-05-27  9:49                         ` Ard Biesheuvel
2019-05-27 10:04                           ` Pascal Van Leeuwen
2019-05-27 10:28                             ` Ard Biesheuvel
2019-05-27 10:43                               ` Pascal Van Leeuwen
2019-05-27 10:57                                 ` Ard Biesheuvel
2019-05-27 12:22                                   ` Pascal Van Leeuwen
2019-05-27 14:59                                     ` Ard Biesheuvel
2019-05-27 15:56                                       ` Pascal Van Leeuwen
2019-05-27 16:21                                         ` Ard Biesheuvel
2019-05-27 20:15                                           ` Pascal Van Leeuwen
2019-05-27 12:41                                   ` Pascal Van Leeuwen
2019-05-27 14:45                                     ` Ard Biesheuvel
2019-05-27 15:16                                       ` Pascal Van Leeuwen
2019-05-27 15:24                                         ` Ard Biesheuvel
2019-05-27 20:46                                           ` Pascal Van Leeuwen
2019-05-25  1:22                   ` Eric Biggers [this message]
2019-05-27  9:55                     ` Pascal Van Leeuwen
2019-05-24  9:27                 ` Stephan Mueller
2019-05-24  5:24         ` Ard Biesheuvel
2019-05-24  7:04           ` Kamil Konieczny
2019-05-24  7:47           ` Pascal Van Leeuwen
2019-05-24  9:15             ` Ard Biesheuvel
2019-05-24  9:28               ` Pascal Van Leeuwen
2019-05-24  6:21         ` Christophe Leroy
2019-05-24  8:04           ` Pascal Van Leeuwen
2019-05-24  6:14       ` Jeffrey Walton
2019-05-24  8:00         ` Pascal Van Leeuwen

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