Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Feb 2002 18:27:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Feb 2002 18:27:33 -0500 Received: from adsl-63-197-0-76.dsl.snfc21.pacbell.net ([63.197.0.76]:17167 "HELO www.pmonta.com") by vger.kernel.org with SMTP id ; Fri, 1 Feb 2002 18:27:24 -0500 From: Peter Monta To: hpa@zytor.com Cc: garzik@havoc.gtf.org, linux-kernel@vger.kernel.org In-Reply-To: <3C5B1CBB.6080802@zytor.com> (hpa@zytor.com) Subject: Re: Continuing /dev/random problems with 2.4 In-Reply-To: <20020201031744.A32127@asooo.flowerfire.com> <1012582401.813.1.camel@phantasy> <20020201202334.72F921C5@www.pmonta.com> <20020201153346.B2497@havoc.gtf.org> <20020201205605.ED5111C5@www.pmonta.com> <3C5B1CBB.6080802@zytor.com> Message-Id: <20020201232723.12F3E1C5@www.pmonta.com> Date: Fri, 1 Feb 2002 15:27:23 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > The point with the tests that have been mentioned is to derive such a > conservative estimate, and to raise a red flag if the output suddenly > becomes predictable. Ah, I see; I was misled by the "truly random" remark, sorry. So a reasonable sanity test for a block of audio samples might be a standard deviation greater than a few LSB; this will catch constant or close-to-constant output. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/