From patchwork Tue Jan 23 16:58:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Romanov X-Patchwork-Id: 765366 Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF2BB85C52; Tue, 23 Jan 2024 16:58:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.89.224.132 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706029135; cv=none; b=muHc8pCmJyJ5R9YLJddzzPYRZn2gEQocs6VZ1PBXMDz9HCsB5580HnmhajpAHGFioG5Ti0uqnp2lMiM6x7yYdicbvMvEuMJ/tMHniNJdHGVryXl4zjsQFkNK/GNn7LJ/fwiV6wsPqk2Jemyru0A67WIsSkEHPCBdghYe7A0jg9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706029135; c=relaxed/simple; bh=e/aCOQw3hROuZqcGMbMTC6wGYDCvzxewsFT8TXudMDU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=QCyEajOPv2l76s73aPV8v4vPdR0hLp0g/mrMvMur977b7VPkNyhwEUIk3HuITxsFWDNpjKZbn6NkclNDOfB6kLgJucm0iJkR/vt9QawzD5hbUPhhf8OWjtNa8mFE+oYsl73JwZKvz1539zPF1gJjjXGzRASZjxOeHxwRhZynDKQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=salutedevices.com; spf=pass smtp.mailfrom=salutedevices.com; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b=abA2UtJ4; arc=none smtp.client-ip=45.89.224.132 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="abA2UtJ4" Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id C23DF120016; Tue, 23 Jan 2024 19:58:51 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru C23DF120016 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1706029131; bh=pY+49fqly31huQ+ZEs2Vw0vDF6XapbJyPiAQEj6/oUU=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=abA2UtJ4KJADQMej6/SQbG2g1CUM6qf2VqkBqNrzgmE3D9DmvuGvM90Ue16MXr5H0 u63GZvuc2aTbLonVs2fxljCr4O07QKDo2E3gv3kkEFq9oM9GfZFPxILt8Rtav+Qoet IthMHpje+WpMxPBIEUHgiL26g5peu5HQdu6gG/T/b+MoV443Kds+nqdUq5W1HpbZaE 3vYTqgrJO4j15hzNOocp8zUuIAYyfpxPuZoKmftTXNvJKvL+ngBis2Vg8gy4zZ9kIL 8a0mjSaj7k+WAjLEGVKuejfNbSWhHEb9VNAVuY7ZcJ2IJfPVG4dzKkUOQcc6DYEleR Tdt1qHfEhVYPA== Received: from smtp.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Tue, 23 Jan 2024 19:58:51 +0300 (MSK) Received: from user-A520M-DS3H.sberdevices.ru (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 23 Jan 2024 19:58:51 +0300 From: Alexey Romanov To: , , , , , , , , , CC: , , , , , , Alexey Romanov Subject: [PATCH v2 12/20] drivers: crypto: meson: add support for AES-CTR Date: Tue, 23 Jan 2024 19:58:23 +0300 Message-ID: <20240123165831.970023-13-avromanov@salutedevices.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240123165831.970023-1-avromanov@salutedevices.com> References: <20240123165831.970023-1-avromanov@salutedevices.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 182874 [Jan 23 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: avromanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_from_domain_doesnt_match_to}, smtp.sberdevices.ru:7.1.1,5.0.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; salutedevices.com:7.1.1; 100.64.160.123:7.1.2; 127.0.0.199:7.1.2, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/01/23 13:53:00 #23383939 X-KSMG-AntiVirus-Status: Clean, skipped This patch adds support for AES-CTR algorithm. Tested via tcrypt and custom tests. Signed-off-by: Alexey Romanov --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 44 +++++++++++++++++++-- drivers/crypto/amlogic/amlogic-gxl.h | 1 + 2 files changed, 42 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index 3f42b2cc568d..828109f4a1c3 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -154,7 +154,7 @@ static void meson_setup_keyiv_descs(struct cipher_ctx *ctx) if (ctx->tloffset) return; - if (blockmode == DESC_OPMODE_CBC) { + if (blockmode == DESC_OPMODE_CBC || blockmode == DESC_OPMODE_CTR) { memcpy(op->keyiv + AES_MAX_KEY_SIZE, ctx->areq->iv, ivsize); dma_sync_single_for_device(mc->dev, ctx->keyiv.addr, ctx->keyiv.len, DMA_TO_DEVICE); @@ -186,6 +186,7 @@ static bool meson_setup_data_descs(struct cipher_ctx *ctx) struct meson_desc *desc = &mc->chanlist[rctx->flow].tl[ctx->tloffset]; unsigned int blocksize = crypto_skcipher_blocksize(tfm); unsigned int blockmode = algt->blockmode; + unsigned int ivsize = crypto_skcipher_ivsize(tfm); unsigned int maxlen = rounddown(DESC_MAXLEN, blocksize); unsigned int todo; u32 v; @@ -204,8 +205,15 @@ static bool meson_setup_data_descs(struct cipher_ctx *ctx) ctx->src_offset += todo; ctx->dst_offset += todo; + if (blockmode == DESC_OPMODE_CTR) { + unsigned int nblocks = todo / blocksize; + + while (nblocks--) + crypto_inc(ctx->areq->iv, ivsize); + } + v = DESC_OWN | blockmode | op->keymode | todo; - if (rctx->op_dir == MESON_ENCRYPT) + if (rctx->op_dir == MESON_ENCRYPT || blockmode == DESC_OPMODE_CTR) v |= DESC_ENCRYPTION; if (!ctx->cryptlen || ctx->tloffset == MAXDESC) @@ -322,7 +330,8 @@ static int meson_cipher(struct skcipher_request *areq) if (ctx.keyiv.len == AES_KEYSIZE_192) ctx.keyiv.len = AES_MAX_KEY_SIZE; - if (algt->blockmode == DESC_OPMODE_CBC) { + if (algt->blockmode == DESC_OPMODE_CBC || + algt->blockmode == DESC_OPMODE_CTR) { memcpy(op->keyiv + AES_MAX_KEY_SIZE, areq->iv, ivsize); ctx.keyiv.len = AES_MAX_KEY_SIZE + ivsize; } @@ -535,6 +544,35 @@ static struct meson_alg_template algs[] = { .do_one_request = meson_handle_cipher_request, }, }, +{ + .type = CRYPTO_ALG_TYPE_SKCIPHER, + .blockmode = DESC_OPMODE_CTR, + .alg.skcipher.base = { + .base = { + .cra_name = "ctr(aes)", + .cra_driver_name = "ctr-aes-gxl", + .cra_priority = 400, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | + CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY | + CRYPTO_ALG_NEED_FALLBACK, + .cra_ctxsize = sizeof(struct meson_cipher_tfm_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 0xf, + .cra_init = meson_cipher_init, + .cra_exit = meson_cipher_exit, + }, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = meson_aes_setkey, + .encrypt = meson_skencrypt, + .decrypt = meson_skdecrypt, + }, + .alg.skcipher.op = { + .do_one_request = meson_handle_cipher_request, + }, +}, }; int meson_cipher_register(struct meson_dev *mc) diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index de0de37cd979..6f03874e22bd 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -24,6 +24,7 @@ #define DESC_OPMODE_ECB (0 << 26) #define DESC_OPMODE_CBC (1 << 26) +#define DESC_OPMODE_CTR (2 << 26) #define DESC_OPMODE_SHA (0 << 26) #define DESC_MAXLEN ((1 << 17) - 1)