From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B40E2288A5; Mon, 7 Apr 2025 04:04:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743998658; cv=none; b=ftDWYt8HagxtAiYDfumBQmNu79njeD6pcHS0ZwHypecjuJR6fzmGzg1B7PDDe6kqSGXcr1YqBui554fVz7A+OiYpQfTthybQvKP9aIELh/1/69mKsI9hZdrCWdkgL/FPKXxYxqNnNMZsVq7ZD+Z+WIKrudgKEclkRqCNj12xlZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743998658; c=relaxed/simple; bh=VM/og/6XH+FOo7D67EndDs1WE/rzLn8BFLNpxXdlQIY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fLcPZ5DewdUeZSA9XQZWYckLXq2Nf/JDFiGmrSGk62atruArshyZyQRwXoiVNEPyogvz72XVDeRSKp98i36WDFyZa6GdbEmk9CQ7Hs4ihvYy1vqJv5xoFhYpSQl1dyERH/8Y+4GAIioruGfnjhzQ04FL4UeV7srT/8cYVzIFvWE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b=az52eJGC; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b="az52eJGC" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ba762y6cM1tm8SLlWPO9vBwiqhYzKrzCmC+4ExJ9nuM=; b=az52eJGCie8uw57DU3q+ZJXBUP kil8pJ3KG2x7dxer5cBr6od6JB+/QHiDBDYr04482hX2kyUb6Fx20RjI4DEk+2cGl/wdbm8Dcfvmm J4sdzVWLKvNzHkikL7hdB76P5Q6pK09C+dJz9214TVdRyqtcXpmPZQjKPVDQXyxFQo6S2xDRA0clR 9wmOZm9fTMqJWKzSuFQr3P34xH9gZMkY55LU9kuSZVBjsJwXYaYLXc4se5Ytfn1SeY7W4DkjZ280a yjS/jkmTjOvr8YF7xKM5LKCMw3mzSSPXet6Rqk3Hes7Qdo7Ee7DYtTCcsaqKcd/H3o79xkumW6U1J 8cXVv+Wg==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1u1diL-00DMUa-31; Mon, 07 Apr 2025 12:04:03 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Mon, 07 Apr 2025 12:04:01 +0800 Date: Mon, 7 Apr 2025 12:04:01 +0800 From: Herbert Xu To: Qunqin Zhao Cc: lee@kernel.org, davem@davemloft.net, peterhuewe@gmx.de, jarkko@kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-crypto@vger.kernel.org, jgg@ziepe.ca, linux-integrity@vger.kernel.org, pmenzel@molgen.mpg.de, Yinggang Gu , Huacai Chen Subject: Re: [PATCH v7 3/6] crypto: loongson - add Loongson RNG driver support Message-ID: References: <20250403024645.4427-1-zhaoqunqin@loongson.cn> <20250403024645.4427-4-zhaoqunqin@loongson.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250403024645.4427-4-zhaoqunqin@loongson.cn> On Thu, Apr 03, 2025 at 10:46:42AM +0800, Qunqin Zhao wrote: > Loongson's Random Number Generator is found inside Loongson security > engine. Is this a hardware RNG or a pseudo RNG? If it's pseudo, it should provide a means of reseeding. If it's a hardware RNG it should register with hwrng. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt