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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 237F3C04EBD for ; Tue, 16 Oct 2018 13:35:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB66E2089E for ; Tue, 16 Oct 2018 13:35:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB66E2089E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=benyossef.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727274AbeJPV0X (ORCPT ); Tue, 16 Oct 2018 17:26:23 -0400 Received: from foss.arm.com ([217.140.101.70]:36446 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727003AbeJPV0X (ORCPT ); Tue, 16 Oct 2018 17:26:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D8B2415AB; Tue, 16 Oct 2018 06:35:52 -0700 (PDT) Received: from sugar.kfn.arm.com (unknown [10.50.4.176]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9D6563F5D3; Tue, 16 Oct 2018 06:35:50 -0700 (PDT) From: Gilad Ben-Yossef To: Herbert Xu , "David S. Miller" , Rob Herring , Mark Rutland Cc: Ofir Drang , Yael Chemla , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] crypto: ccree: add SM4 support Date: Tue, 16 Oct 2018 14:35:33 +0100 Message-Id: <1539696935-4433-4-git-send-email-gilad@benyossef.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539696935-4433-1-git-send-email-gilad@benyossef.com> References: <1539696935-4433-1-git-send-email-gilad@benyossef.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for SM4 cipher in CryptoCell 713. Signed-off-by: Gilad Ben-Yossef --- drivers/crypto/Kconfig | 1 + drivers/crypto/ccree/cc_cipher.c | 66 +++++++++++++++++++++++++++++++++ drivers/crypto/ccree/cc_hw_queue_defs.h | 3 ++ 3 files changed, 70 insertions(+) diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index bea4de6..c7e6f5d 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -751,6 +751,7 @@ config CRYPTO_DEV_CCREE select CRYPTO_ECB select CRYPTO_CTR select CRYPTO_XTS + select CRYPTO_SM4 help Say 'Y' to enable a driver for the REE interface of the Arm TrustZone CryptoCell family of processors. Currently the diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c index 7623b299..989e70f 100644 --- a/drivers/crypto/ccree/cc_cipher.c +++ b/drivers/crypto/ccree/cc_cipher.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include "cc_driver.h" @@ -83,6 +84,9 @@ static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE) return 0; break; + case S_DIN_to_SM4: + if (size == SM4_KEY_SIZE) + return 0; default: break; } @@ -122,6 +126,17 @@ static int validate_data_size(struct cc_cipher_ctx *ctx_p, if (IS_ALIGNED(size, DES_BLOCK_SIZE)) return 0; break; + case S_DIN_to_SM4: + switch (ctx_p->cipher_mode) { + case DRV_CIPHER_CTR: + return 0; + case DRV_CIPHER_ECB: + case DRV_CIPHER_CBC: + if (IS_ALIGNED(size, SM4_BLOCK_SIZE)) + return 0; + default: + break; + } default: break; } @@ -522,6 +537,9 @@ static void cc_setup_cipher_data(struct crypto_tfm *tfm, case S_DIN_to_DES: flow_mode = DIN_DES_DOUT; break; + case S_DIN_to_SM4: + flow_mode = DIN_SM4_DOUT; + break; default: dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); return; @@ -1324,6 +1342,54 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_DES, .min_hw_rev = CC_HW_REV_630, }, + { + .name = "cbc(sm4)", + .driver_name = "cbc-sm4-ccree", + .blocksize = SM4_BLOCK_SIZE, + .template_skcipher = { + .setkey = cc_cipher_setkey, + .encrypt = cc_cipher_encrypt, + .decrypt = cc_cipher_decrypt, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + }, + .cipher_mode = DRV_CIPHER_CBC, + .flow_mode = S_DIN_to_SM4, + .min_hw_rev = CC_HW_REV_713, + }, + { + .name = "ecb(sm4)", + .driver_name = "ecb-sm4-ccree", + .blocksize = SM4_BLOCK_SIZE, + .template_skcipher = { + .setkey = cc_cipher_setkey, + .encrypt = cc_cipher_encrypt, + .decrypt = cc_cipher_decrypt, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = 0, + }, + .cipher_mode = DRV_CIPHER_ECB, + .flow_mode = S_DIN_to_SM4, + .min_hw_rev = CC_HW_REV_713, + }, + { + .name = "ctr(sm4)", + .driver_name = "ctr-sm4-ccree", + .blocksize = SM4_BLOCK_SIZE, + .template_skcipher = { + .setkey = cc_cipher_setkey, + .encrypt = cc_cipher_encrypt, + .decrypt = cc_cipher_decrypt, + .min_keysize = SM4_KEY_SIZE, + .max_keysize = SM4_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + }, + .cipher_mode = DRV_CIPHER_CTR, + .flow_mode = S_DIN_to_SM4, + .min_hw_rev = CC_HW_REV_713, + }, }; static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, diff --git a/drivers/crypto/ccree/cc_hw_queue_defs.h b/drivers/crypto/ccree/cc_hw_queue_defs.h index a091ae5..6bd1922 100644 --- a/drivers/crypto/ccree/cc_hw_queue_defs.h +++ b/drivers/crypto/ccree/cc_hw_queue_defs.h @@ -107,6 +107,7 @@ enum cc_flow_mode { AES_to_AES_to_HASH_and_DOUT = 13, AES_to_AES_to_HASH = 14, AES_to_HASH_and_AES = 15, + DIN_SM4_DOUT = 16, DIN_AES_AESMAC = 17, HASH_to_DOUT = 18, /* setup flows */ @@ -114,9 +115,11 @@ enum cc_flow_mode { S_DIN_to_AES2 = 33, S_DIN_to_DES = 34, S_DIN_to_RC4 = 35, + S_DIN_to_SM4 = 36, S_DIN_to_HASH = 37, S_AES_to_DOUT = 38, S_AES2_to_DOUT = 39, + S_SM4_to_DOUT = 40, S_RC4_to_DOUT = 41, S_DES_to_DOUT = 42, S_HASH_to_DOUT = 43, -- 2.7.4