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Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Catalin Marinas , "Will Deacon" , Maxime Coquelin , Alexandre Torgue , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-stm32@st-md-mailman.stormreply.com" Thread-Topic: [EXTERNAL] Re: [PATCH v2 2/6] crypto: crc64 - add crc64-iso framework Thread-Index: AQHZy8EnMktNYynuQEKGWzL0s+J88K/l+VoAgAm5hACBKF9AsA== Date: Thu, 22 Feb 2024 21:50:44 +0000 Message-ID: References: <20230719-mcrc-upstream-v2-0-4152b987e4c2@ti.com> <20230719-mcrc-upstream-v2-2-4152b987e4c2@ti.com> <20230812025520.GE971@sol.localdomain> <87jztserrf.fsf@kamlesh.i-did-not-set--mail-host-address--so-tickle-me> In-Reply-To: <87jztserrf.fsf@kamlesh.i-did-not-set--mail-host-address--so-tickle-me> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MW5PR84MB1842:EE_|LV8PR84MB3436:EE_ x-ms-office365-filtering-correlation-id: d9e97282-1297-435d-9f47-08dc33f05250 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > -----Original Message----- > From: Kamlesh Gurudasani > Sent: Friday, August 18, 2023 2:26 AM > Subject: Re: [EXTERNAL] Re: [PATCH v2 2/6] crypto: crc64 - add crc64-iso > framework > > Eric Biggers writes: > > > Is "crc64-iso" clear enough, or should it be "crc64-iso3309"? There are > > thousands of ISO standards. Different CRC variants are specified by > different > > ISO standards. Is this particular variant indeed commonly referred to > as simply > > the "ISO" CRC-64? Even if it's currently the case that all other CRCs > in ISO > > standards are different widths than 64 bits (which may be unlikely?), > I'm not > > sure we should count on no CRC-64 variant ever being standardized by > ISO. > > > > - Eric > https://en.wikipedia.org/wiki/Cyclic_redundancy_check > > Last entry CRC-64-ISO in the table. > It is mentioned as crc64-iso and that's the > only 64-bit CRC standardized by ISO. ECMA-182 (DLT-1 tapes) was contributed to become ISO/IEC 13421 in 1993, so that was another "64-bit CRC standardized by ISO." Plus, ISO could publish new standards with new CRCs at any time. > But I do agree that crc64-iso3309 would be more specific, will change it > to crc64-iso3309 in next revision. Thanks. > > Regards, > Kamlesh ISO-3309:1991 was withdrawn and revised by ISO/IEC 3309:1993, which was withdrawn and revised by ISO/IEC 13239:2002, which was confirmed in 2007 and is still current. Apparently only the 1991 version defined a CRC-64; later versions dropped that. Is there really a demand for adding a 23 year old deprecated algorithm to the kernel? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel