From patchwork Tue Aug 20 14:56:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Romanov X-Patchwork-Id: 13770360 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B6DFC531DC for ; Tue, 20 Aug 2024 15:03:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LbFG8wKyQp8gTvFWvxHvsnRogG91pJKs3BkKHJCTfQA=; b=yg4VuEZmS78AVQ eLY4X4/CfXDqvo/xKmmTuq4Lv3oh3kA4Y0S2m0aCvAeaACg1B7PimKCqVQ1C7owpJ2348/38Y0l23 5otntyoEXmmux//19di0RGF4688GyJaBzARRYXKGh9YlOeS7KAPD8oeNgbVrgdHHWYhABtlSGoQzf zeJBnuIDJXx0RUIJ3x4paj3mOzF3qLRIKWsP3eVSg7q9lYLEPrJQRIlq5OjEaaCtuhYb3zCsWn0df JT5sEEKQjwcAOmn+O0sN8wXK8JpmrCkV/DEfhcn9I2jw3F/0t7uKnaNzZdJnxkbJfgIGffehCS3qm GvWMRBReUYbJ57qvvL6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sgQON-00000005hdN-2fNr; Tue, 20 Aug 2024 15:03:27 +0000 Received: from mx1.sberdevices.ru ([37.18.73.165]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sgQIF-00000005fOP-1qW3; Tue, 20 Aug 2024 14:57:09 +0000 Received: from p-infra-ksmg-sc-msk01.sberdevices.ru (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 1722410003A; Tue, 20 Aug 2024 17:57:06 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 1722410003A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1724165826; bh=/TaHqVn9jXk9ReiMLJTkZN4qPzLpw4T8LIoTo9kpC3M=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Xj+r9Ro+xB9jcWH3u9kCVChstu5mD7WTyknNy86nKSsSFRo2HcFPk7a/HsiNsKYa9 wAIZPUBcaqvK49lT2+hRzi7R2Y1VtTryS4tbuSmy0MHLLTxP0D55oDKNKOHHod/W/3 3ioDQsRAZZocEL6YAdYH6w74RTpK50Qi5/tIBbKINauZY8ktTYOXV/Fa0hTAlWTH7p RvJEUOrE9/HzEu4/swq10vWF4u1h7ElMuyM+H7n7j+Jhvqlr55J+svUSLAPtqcLfUy 0QsbJHSjWo7oVNWtJrUejHQCYdMQHXFqIgfqVTODg0zK7MBOL3RORsF+vs1OvkZeGR ROorT11MS/wcA== Received: from smtp.sberdevices.ru (p-i-exch-sc-m02.sberdevices.ru [172.16.192.103]) (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, 20 Aug 2024 17:57:05 +0300 (MSK) From: Alexey Romanov To: , , , , , , , , , , CC: , , , , , , Alexey Romanov Subject: [PATCH v9 12/23] drivers: crypto: meson: add support for AES-CTR Date: Tue, 20 Aug 2024 17:56:12 +0300 Message-ID: <20240820145623.3500864-13-avromanov@salutedevices.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240820145623.3500864-1-avromanov@salutedevices.com> References: <20240820145623.3500864-1-avromanov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [84.252.147.252] X-ClientProxiedBy: p-i-exch-a-m1.sberdevices.ru (172.24.196.116) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 187181 [Aug 20 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: avromanov@s2b.tech 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: 27 0.3.27 71302da218a62dcd84ac43314e19b5cc6b38e0b6, {Tracking_smtp_not_equal_from}, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2;salutedevices.com:7.1.1;s2b.tech:7.1.1;smtp.sberdevices.ru:7.1.1,5.0.1, {Tracking_smtp_domain_mismatch}, {Tracking_smtp_domain_2level_mismatch}, FromAlignment: n 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: 2024/08/20 03:45:00 #26365304 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240820_075707_951474_377429CF X-CRM114-Status: GOOD ( 20.96 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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 | 59 +++++++++++++++++++-- drivers/crypto/amlogic/amlogic-gxl-core.c | 1 + drivers/crypto/amlogic/amlogic-gxl.h | 2 + 3 files changed, 58 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index 622e179320ff..5c5956a18744 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -139,6 +139,15 @@ static void meson_unmap_scatterlist(struct skcipher_request *areq, struct meson_ } } +static void reverse_keyiv(u32 *keyiv, u32 *iv) +{ + int size = AES_BLOCK_SIZE / sizeof(u32); + int i; + + for (i = 0; i < size; i++) + *(keyiv + size - i - 1) = cpu_to_be32(*(iv + i)); +} + static void meson_setup_keyiv_descs(struct cipher_ctx *ctx) { struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(ctx->areq); @@ -155,8 +164,12 @@ static void meson_setup_keyiv_descs(struct cipher_ctx *ctx) if (ctx->tloffset) return; - if (blockmode == DESC_OPMODE_CBC) { - memcpy(op->keyiv + AES_MAX_KEY_SIZE, ctx->areq->iv, ivsize); + if (blockmode == DESC_OPMODE_CBC || blockmode == DESC_OPMODE_CTR) { + if (blockmode == DESC_OPMODE_CTR && mc->pdata->reverse_keyiv) + reverse_keyiv((u32 *)(op->keyiv + AES_MAX_KEY_SIZE), (u32 *)ctx->areq->iv); + else + 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); } @@ -187,6 +200,7 @@ 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; @@ -205,8 +219,15 @@ 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) @@ -326,7 +347,8 @@ 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; } @@ -540,6 +562,35 @@ 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) + CRYPTO_DMA_PADDING, + .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-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c index a1aff009f913..2c8387906655 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-core.c +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -282,6 +282,7 @@ static const struct meson_pdata meson_gxl_pdata = { .status_reg = 0x4, .setup_desc_cnt = 3, .hasher_supported = false, + .reverse_keyiv = true, }; static const struct of_device_id meson_crypto_of_match_table[] = { diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index cebdfd81f6e2..de11e174f03d 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 GENMASK(16, 0) @@ -103,6 +104,7 @@ struct meson_pdata { u32 status_reg; u32 setup_desc_cnt; bool hasher_supported; + bool reverse_keyiv; }; /*