linux-kernel - Re: [PATCH v3 0/4] Assorted changes for Exynos PRNG driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 22 Dec 2017 20:09:57 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Łukasz Stelmach <l.stelmach@...sung.com>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>, robh+dt@...nel.org,
        Stephan Mueller <smueller@...onox.de>,
        "David S . Miller" <davem@...emloft.net>,
        Kukjin Kim <kgene@...nel.org>, linux-crypto@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v3 0/4] Assorted changes for Exynos PRNG driver

On Tue, Dec 12, 2017 at 05:36:03PM +0100, Łukasz Stelmach wrote:
> Hello,
> 
> This is a series of patches for exynos-rng driver I've decided to
> create after adding support for Exynos5250+ chips. They do not
> strictly depend on each other, but I think it is better to send them
> as a single patch-set.
> 
> The driver requires appropriate DT configuration introduced in
> 
>     https://patchwork.kernel.org/patch/10106797/
> 
> Patch #1 Add support for PRNG in Exynos5250+ SoCs
> 
> Patch #2 Improve output performance by using memcpy() rather than a
> custom function to retrieve random bytes from registers. Rearrange
> the loop for polling the hardware.
> 
> Patch #3 Reseed the PRNG after reading 2^16 bytes. Simmilar approach
> is implemented in DRBG. (Thanks Stephan Mueller)
> 
> Patch #4 Introduce locking to prevent simultaneous access to the
> hardware from more than one thread/process.
> 
> Changes since v2:

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt