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From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
To: "Stephan Müller" <smueller@chronox.de>
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
	Kukjin Kim <kgene@kernel.org>,
	Javier Martinez Canillas <javier@osg.samsung.com>,
	Matt Mackall <mpm@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-crypto@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>
Subject: Re: [PATCH v3 1/3] crypto: hw_random - Add new Exynos RNG driver
Date: Mon, 27 Mar 2017 09:53:11 +0530	[thread overview]
Message-ID: <CANc+2y7USMcmZn9i75vQfnJB5ELRsej7KoBKQ-BORXxSOBW7Ng@mail.gmail.com> (raw)
In-Reply-To: <4479175.Jfq03yCxQW@tauon.atsec.com>

> Oh my, if you are right with your first guess, this is a bad DRNG design.
>
> Just out of curiousity: what happens if a caller invokes the seed function
> twice or more times (each time with the sufficient amount of bits)? What is
> your guess here?

Should the second seed use the random data generated by the device?

Regards,
PrasannaKumar

  reply	other threads:[~2017-03-27  4:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-25 16:26 [PATCH v3 0/3] crypto: hw_random - Add new Exynos RNG driver Krzysztof Kozlowski
2017-03-25 16:26 ` [PATCH v3 1/3] " Krzysztof Kozlowski
2017-03-26 15:20   ` PrasannaKumar Muralidharan
2017-03-26 16:01     ` Krzysztof Kozlowski
2017-03-26 16:05       ` Stephan Müller
2017-03-26 16:46       ` PrasannaKumar Muralidharan
2017-03-26 17:05         ` Stephan Müller
2017-03-26 18:09           ` Krzysztof Kozlowski
2017-03-26 17:11   ` Stephan Müller
2017-03-26 18:00     ` Krzysztof Kozlowski
2017-03-26 21:25       ` Stephan Müller
2017-03-27  4:23         ` PrasannaKumar Muralidharan [this message]
2017-03-27 13:53           ` Stephan Müller
2017-03-28 16:48             ` Krzysztof Kozlowski
2017-03-28 17:41               ` Stephan Müller
2017-03-28 17:43                 ` Krzysztof Kozlowski
2017-03-25 16:26 ` [PATCH v3 2/3] ARM: exynos_defconfig: Enable Exynos RNG and user-space crypto API Krzysztof Kozlowski
2017-03-25 16:26 ` [PATCH v3 3/3] ARM: multi_v7_defconfig: " Krzysztof Kozlowski
2017-03-25 16:32 ` [PATCH v3 0/3] crypto: hw_random - Add new Exynos RNG driver Stephan Müller

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