Article View: sci.crypt.random-numbers
Article #9Re: Gathering entropy for PRNGs on MVS
From: Duke Arber
Date: Mon, 10 Mar 2003 17:03
Date: Mon, 10 Mar 2003 17:03
8 lines
1688 bytes
1688 bytes
> That means you're running on a virtual machine, right? There's no > entropy at all. Well, maybe you can sample a CPU cycle counter over a > long period or something like that. There could be some entropy there > because of how other VM's on the same physical machine cause your > program to have more or less cache hits and misses. MVS can run as a guest O/S on IBM's VM O/S or it can run as the only O/S. The most likely case is running as the only O/S.
Technical Details
Message-ID:
<b4igi5$f6p$1@slb9.atl.mindspring.net>Path:
arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!beamish.news.atl.earthlink.net!guinness.news.atl.earthlink.net!news.atl.earthlink.net!stamper.news.atl.earthlink.net!harp.news.atl.earthlink.net!not-for-mailReferences:
<b4ieak$2qn$1@slb9.atl.mindspring.net> <7xsmtvqidp.fsf@ruckus.brouhaha.com>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fd4af,4336d2c2bccbde14 X-Google-Attributes: gidfd4af,public X-Google-Thread: fed83,4336d2c2bccbde14 X-Google-Attributes: gidfed83,public X-Google-Thread: fb57f,4336d2c2bccbde14 X-Google-Attributes: gidfb57f,public X-Google-ArrivalTime: 2003-03-10 09:04:06 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!beamish.news.atl.earthlink.net!guinness.news.atl.earthlink.net!news.atl.earthlink.net!stamper.news.atl.earthlink.net!harp.news.atl.earthlink.net!not-for-mail From: "Duke Arber" <duke_arber@yahoo.com> Newsgroups: sci.crypt.random-numbers,bit.listserv.ibm-main,sci.crypt Subject: Re: Gathering entropy for PRNGs on MVS Date: Mon, 10 Mar 2003 12:03:57 -0500 Organization: MindSpring Enterprises Lines: 10 Message-ID: <b4igi5$f6p$1@slb9.atl.mindspring.net> References: <b4ieak$2qn$1@slb9.atl.mindspring.net> <7xsmtvqidp.fsf@ruckus.brouhaha.com> NNTP-Posting-Host: 3f.b7.a1.10 X-Server-Date: 10 Mar 2003 17:04:05 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4920.2300 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4920.2300