From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 255EAC433FE for ; Tue, 17 May 2022 18:13:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352113AbiEQSNd (ORCPT ); Tue, 17 May 2022 14:13:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352028AbiEQSNX (ORCPT ); Tue, 17 May 2022 14:13:23 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C55AF51329; Tue, 17 May 2022 11:12:36 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id B4372CE1B8B; Tue, 17 May 2022 18:12:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D8B1C34100; Tue, 17 May 2022 18:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652811153; bh=p7jmOET1fg/asHsIyFWI9moVO8ao+wZmw/Hn3Cysut8=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=sZr50USaCN4pVIx4i6btT6YLqq+PnmiI1/cxIPefMD6VbsfxIpC4mI0mwv4nVDQdj J210APDwuC0nGAy78Q3/aHExJfXhP+sF/dTrCmkfCkdA5COSMQLs86Uzz/UpO9BZiE unA5mJRQVuH19mtBdbCe7yc9RahmXZw3FcZyGKOiTsrRET/SRQT1/TcgjCEOTajTe5 4uvuWW3HKJwGvtpG4H+3hBWgXvBRukmPm1y0qs/7PucLSriU22O8q49fqyonsr3NE1 2t1O8zQCIqBzr+zVblb5BAdkqahmB2S1KNWrLXSTIzmFHdY+O3ePwApR+jqGSqbi1Y jm/AZXabctd0A== Message-ID: <0e8da958a222e5c1dccaaf1600b08bdb8705b48e.camel@kernel.org> Subject: Re: [PATCH v10 2/7] KEYS: trusted: allow use of kernel RNG for key material From: Jarkko Sakkinen To: "Jason A. Donenfeld" , Ahmad Fatoum Cc: James Bottomley , Mimi Zohar , David Howells , kernel@pengutronix.de, Sumit Garg , Pankaj Gupta , David Gstir , Michael Walle , John Ernberg , James Morris , "Serge E. Hallyn" , Horia =?UTF-8?Q?Geant=C4=83?= , Herbert Xu , "David S. Miller" , Jan Luebbe , Eric Biggers , Richard Weinberger , Franck LENORMAND , Matthias Schiffer , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Date: Tue, 17 May 2022 21:10:57 +0300 In-Reply-To: References: <20220513145705.2080323-1-a.fatoum@pengutronix.de> <20220513145705.2080323-3-a.fatoum@pengutronix.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.44.1 MIME-Version: 1.0 Precedence: bulk List-ID: T24gVHVlLCAyMDIyLTA1LTE3IGF0IDE5OjI3ICswMjAwLCBKYXNvbiBBLiBEb25lbmZlbGQgd3Jv dGU6Cj4gT24gRnJpLCBNYXkgMTMsIDIwMjIgYXQgMDQ6NTc6MDBQTSArMDIwMCwgQWhtYWQgRmF0 b3VtIHdyb3RlOgo+ID4gK8KgwqDCoMKgwqDCoMKgdHJ1c3RlZC5ybmc9wqDCoMKgwqBbS0VZU10K PiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgRm9ybWF0 OiA8c3RyaW5nPgo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqBUaGUgUk5HIHVzZWQgdG8gZ2VuZXJhdGUga2V5IG1hdGVyaWFsIGZvciB0cnVzdGVkIGtl eXMuCj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoENh biBiZSBvbmUgb2Y6Cj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoC0gImtlcm5lbCIKPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgLSB0aGUgc2FtZSB2YWx1ZSBhcyB0cnVzdGVkLnNvdXJjZTogInRwbSIgb3Ig InRlZSIKPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg LSAiZGVmYXVsdCIKPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgSWYgbm90IHNwZWNpZmllZCwgImRlZmF1bHQiIGlzIHVzZWQuIEluIHRoaXMgY2FzZSwK PiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgdGhlIFJO RydzIGNob2ljZSBpcyBsZWZ0IHRvIGVhY2ggaW5kaXZpZHVhbCB0cnVzdCBzb3VyY2UuCj4gPiAr Cj4gCj4gQXMgYSBnZW5lcmFsIG1lY2hhbmlzbSwgSSBvYmplY3QgdG8gdGhpcy4gVGhlIGtlcm5l bCdzIFJORyBtdXN0IGJlCj4gdHJ1c3RlZCBpbiB0aGUgZmlyc3QgcGxhY2UgZm9yIGtleSBtYXRl cmlhbC4gVGhhdCdzIHRoZSB3aG9sZSBwb2ludCBvZgo+IGl0LgoKSSB3b3VsZCByZWxheCB0aGlz ICBhIGJpdDoga2VybmVsJ3MgUk5HIG11c3QgYmUgaW1wbGljaXRseSBtdXN0IGJlCnRydXN0ZWQu IElmIHRoZSBwYXJhbWV0ZXIgaXMgdXNlZCwgeW91IG1ha2UgYW4gZXhwbGljaXQgY2hvaWNlIHRo YXQKeW91IGFyZSBhd2FyZSBvZiB0aGUgdHJ1c3QuCgpJZiB0aGlzIHdhcyBvcHQtb3V0IHBhcmFt ZXRlciwgaW5zdGVhZCBvZiBvcHQtaW4sIEkgd291bGQgZ2V0IHlvdXIKYXJndW1lbnQuCgo+IEhv d2V2ZXIsIGl0IHNvdW5kcyBsaWtlIHlvdSdyZSBub3QgcHJvcG9zaW5nIGEgZ2VuZXJhbCBtZWNo YW5pc20sIGJ1dAo+IGp1c3Qgc29tZXRoaW5nIHBhcnRpY3VsYXIgdG8gdGhpcyAidHJ1c3RlZCBr ZXlzIiBidXNpbmVzcy4gSW4gdGhhdCBjYXNlLAo+IHRoaXMgc2hvdWxkIGJlIGEgbW9kdWxlIGZs YWcsIGFuZCB0aHVzIG5vdCBkb2N1bWVudGVkIGhlcmUsIGJ1dCByYXRoZXIKPiBzb21lIHBsYWNl IG5hbWVzcGFjZWQgdG8geW91ciB0cnVzdGVkIGtleXMgc3R1ZmYuICJ0cnVzdGVkX2tleXMucHJl ZmVycmVkX3JuZz17d2hhdGV2ZXJ9IgoKSG93ZXZlciwgSSB0aGluayB0aGlzIGEgZ29vZCBwcm9w b3NhbC4gTGV0J3MgbWFrZSBpdCBhIG1vZHVsZSBwYXJhbWV0ZXIKaW5zdGVhZC4KCj4gSmFzb24K CkJSLCBKYXJra28K