From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) by mx.groups.io with SMTP id smtpd.web10.12230.1607604737628746318 for ; Thu, 10 Dec 2020 04:52:18 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@nuviainc-com.20150623.gappssmtp.com header.s=20150623 header.b=JdFGiF+s; spf=pass (domain: nuviainc.com, ip: 209.85.128.43, mailfrom: leif@nuviainc.com) Received: by mail-wm1-f43.google.com with SMTP id 3so5190149wmg.4 for ; Thu, 10 Dec 2020 04:52:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=LDkR9MhjG8ZapuemVamC3YLNeW6OCRH2pCqf+Uwr/Es=; b=JdFGiF+s+M18WDYKHU4sTlrP4vQHjAlslzkeiVLy7vMrdRkApNIE0Uiz/xK/srPsQY r5/AfQL7lsLZDAqUiP6K3NnRNyrRxSQLC+Q/M25adG6yuoe0/nUiPvKBDRb0JuouX99I cCb+rvoOJ4dZDLEU9NsPCp+cFyzkDQoXMEpz2hGJckpfDHusSmmjHX+WcKvcSZW6j23w 9NEk6KhUpiLUckhVk+Qz3md60zZQmpmqiECfmKXYmKBLHqHLsE9BqJdghvTW29aqqJ01 NONFFpEtMRBa7fHye68EW8wPl3gCBpmLfnQ54Zew1t3mnMLwohHymdctC+SPzU/Z8aHG PzVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=LDkR9MhjG8ZapuemVamC3YLNeW6OCRH2pCqf+Uwr/Es=; b=SLfzelNqHkHu3+Q/fmHk0j7JPwvBWva+calD9pyxZO/Xy0b1CA6mfaMAzlgjfK7jlx KMWF6oLPZiCV74uib7Q712nkEgSFIafxq70lPfGWhwW0hxDz1RG5wnA6yuuCSGl8WUob /kv9coJt5qrn0f09u097zBW659TeP+ECRUpPANamXhhmrcCoex2TNqX0lBCU5suCvfSI gQUVothc/Fh+z6st9yB+QJmSO5TymCqesEnQFqso+dWMTYgB/S5qBW7etHdsPBiN7KNe 1O4pk/+YqEpPx1vUQbixr5rkP62waZ2plpLGPlAysuDxHrQvlI+dwAOde3+7ZoKP9gU7 x6Tw== X-Gm-Message-State: AOAM532rjiDpvY5KvmD7EnVfXHD3CZauoV7WdUsiVgwkFbP2D9LEmJH5 zDlwsQ+Xp9oCDqj3AqmQIYuXIA== X-Google-Smtp-Source: ABdhPJw0VUTbbdU34wpmBT4PJ0sOWmZ5inTCNrKjuU6rfMsqQ1R1vxhLkghJ91nZGVF1UxVQh9fJjQ== X-Received: by 2002:a05:600c:2042:: with SMTP id p2mr8238107wmg.152.1607604736086; Thu, 10 Dec 2020 04:52:16 -0800 (PST) Return-Path: Received: from vanye (cpc1-cmbg19-2-0-cust915.5-4.cable.virginm.net. [82.27.183.148]) by smtp.gmail.com with ESMTPSA id b13sm2624052wrt.31.2020.12.10.04.52.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Dec 2020 04:52:15 -0800 (PST) Date: Thu, 10 Dec 2020 12:52:13 +0000 From: "Leif Lindholm" To: Sami Mujawar Cc: "devel@edk2.groups.io" , Samer El-Haj-Mahmoud , Ard Biesheuvel , "rebecca@nuviainc.com" , "rfc@edk2.groups.io" , Jiewen Yao , Rahul Kumar , nd Subject: Re: [edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe Message-ID: <20201210125213.GQ1664@vanye> References: <70a4f9e7-952c-cf05-bca7-009ee5b2cd3f@nuviainc.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Sami, JPGs work, but preferably published in a location where they're unlikely to be deleted, and posted as URLs. https://app.diagrams.net/ doesn't require a licensed application to edit, and can be "saved to github" for example. Please make sure to use the diagrams to support/clarify the mailing list conversation rather than replacing it. Best Regards, Leif On Thu, Dec 10, 2020 at 11:26:26 +0000, Sami Mujawar wrote: > Hi All, > > I am working on the TRNG FW API interface and will share more details for the discussion soon. > We had some thoughts about streamlining the RngDxe implementations > and would like to share some diagrams for the discussion. > My diagrams are in Visio that I can export as JPG images. However, I > am open to switching to any other suggested tool. > > Hi Leif, > > Can you suggest on how we can collaborate to share diagrams/documents, please? > > Regards, > > Sami Mujawar > > From: devel@edk2.groups.io On Behalf Of Samer El-Haj-Mahmoud via groups.io > Sent: 09 December 2020 04:48 AM > To: devel@edk2.groups.io > Cc: rfc@edk2.groups.io; Jiewen Yao ; Rahul Kumar > Subject: Re: [edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe > > There is also the TRNG FW API, which is an architected SMC firmware interface: > > https://developer.arm.com/documentation/den0098/latest/ > > ________________________________ > From: devel@edk2.groups.io > on behalf of Rebecca Cran via groups.io > > Sent: Tuesday, December 8, 2020, 11:33 PM > To: devel@edk2.groups.io > Cc: rfc@edk2.groups.io; Jiewen Yao; Rahul Kumar > Subject: [edk2-devel] RFC: Adding support for ARM (RNDR etc.) to RngDxe > > Currently, RngDxe in SecurityPkg only supports Intel, with RdRand support. > > > This RFC is to start a discussion about adding support for ARM. > > > I have a Git branch with support for the optional ARMv8.5 RNDR > instruction at https://github.com/bcran/edk2/commits/bcran-rndr which > moves the existing Intel support into a Rand directory, and adds code to > support RNDR in a new AArch64 directory. > > There are other RNG implementations available for ARM, including > platform-specific approaches on Graviton > (https://lwn.net/Articles/790304/) and other platforms, so a more > thorough rearchitecting/redesign may be desired. > > > -- > Rebecca Cran > > > > > > > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. >