From: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
Jussi Kivilinna <jussi.kivilinna@iki.fi>,
Ard Biesheuvel <ardb@kernel.org>, Mark Brown <broonie@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
linux-crypto@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH v2 12/15] crypto: arm64/sm4 - add CE implementation for ESSIV mode
Date: Fri, 21 Oct 2022 10:47:14 +0800 [thread overview]
Message-ID: <6d2a98f4-c50d-d05b-4a24-08fdd3ee20fa@linux.alibaba.com> (raw)
In-Reply-To: <Y1DHb66VYPzFlTwh@sol.localdomain>
Hi Eric,
On 10/20/22 11:58 AM, Eric Biggers wrote:
> On Tue, Oct 18, 2022 at 03:10:03PM +0800, Tianjia Zhang wrote:
>> This patch is a CE-optimized assembly implementation for ESSIV mode.
>> The assembly part is realized by reusing the CBC mode.
>>
>> Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
>
> Is there still a use case for CBC-ESSIV mode these days, now that everyone is
> using XTS instead?
>
> - Eric
The mainstream is already using XTS, but CBC-ESSIV is still an optional
backup algorithm, especially in block crypto and fscrypto, I'm currently
working on supporting the SM4 algorithm for these subsystems.
Cheers,
Tianjia
next prev parent reply other threads:[~2022-10-21 2:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 7:09 [PATCH v2 00/15] Optimizing SM3 and SM4 algorithms using arm64 NEON/CE instructions Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 01/15] crypto: arm64/sm3 - raise the priority of the CE implementation Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 02/15] crypto: arm64/sm3 - add NEON assembly implementation Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 03/15] crypto: arm64/sm4 - refactor and simplify NEON implementation Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 04/15] crypto: testmgr - add SM4 cts-cbc/essiv/xts/xcbc test vectors Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 05/15] crypto: tcrypt - add SM4 cts-cbc/essiv/xts/xcbc test Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 06/15] crypto: arm64/sm4 - refactor and simplify CE implementation Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 07/15] crypto: arm64/sm4 - simplify sm4_ce_expand_key() of " Tianjia Zhang
2022-10-18 7:09 ` [PATCH v2 08/15] crypto: arm64/sm4 - export reusable CE acceleration functions Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 09/15] crypto: arm64/sm4 - add CE implementation for CTS-CBC mode Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 10/15] crypto: arm64/sm4 - add CE implementation for XTS mode Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 11/15] crypto: essiv - allow digestsize to be greater than keysize Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 12/15] crypto: arm64/sm4 - add CE implementation for ESSIV mode Tianjia Zhang
2022-10-20 3:58 ` Eric Biggers
2022-10-21 2:47 ` Tianjia Zhang [this message]
2022-10-25 5:20 ` Eric Biggers
2022-10-25 7:40 ` Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 13/15] crypto: arm64/sm4 - add CE implementation for cmac/xcbc/cbcmac Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 14/15] crypto: arm64/sm4 - add CE implementation for CCM mode Tianjia Zhang
2022-10-18 7:10 ` [PATCH v2 15/15] crypto: arm64/sm4 - add CE implementation for GCM mode Tianjia Zhang
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