From patchwork Thu Jun 18 13:46:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 6637531 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 92E61C0020 for ; Thu, 18 Jun 2015 13:49:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 85E48202B8 for ; Thu, 18 Jun 2015 13:49:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 043F220384 for ; Thu, 18 Jun 2015 13:48:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755310AbbFRNrY (ORCPT ); Thu, 18 Jun 2015 09:47:24 -0400 Received: from down.free-electrons.com ([37.187.137.238]:37521 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932257AbbFRNrI (ORCPT ); Thu, 18 Jun 2015 09:47:08 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id A8F46A3B; Thu, 18 Jun 2015 15:47:05 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id 097EAA2D; Thu, 18 Jun 2015 15:47:03 +0200 (CEST) From: Boris Brezillon To: Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org Cc: Boris Brezillon , Arnaud Ebalard , Tawfik Bayouk , Lior Amsalem , Nadav Haklai , Eran Ben-Avi , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jason Gunthorpe , "Imre Kaloz" , Russell King - ARM Linux Subject: [PATCH v7 07/14] crypto: marvell/CESA: add Triple-DES support Date: Thu, 18 Jun 2015 15:46:23 +0200 Message-Id: <1434635190-27733-8-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434635190-27733-1-git-send-email-boris.brezillon@free-electrons.com> References: <1434635190-27733-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Arnaud Ebalard Add support for Triple-DES operations. Signed-off-by: Arnaud Ebalard Signed-off-by: Boris Brezillon --- drivers/crypto/marvell/cesa.c | 2 + drivers/crypto/marvell/cesa.h | 2 + drivers/crypto/marvell/cipher.c | 147 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 151 insertions(+) diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c index 212840e..c0b1b49 100644 --- a/drivers/crypto/marvell/cesa.c +++ b/drivers/crypto/marvell/cesa.c @@ -171,6 +171,8 @@ static void mv_cesa_remove_algs(struct mv_cesa_dev *cesa) static struct crypto_alg *armada_370_cipher_algs[] = { &mv_cesa_ecb_des_alg, &mv_cesa_cbc_des_alg, + &mv_cesa_ecb_des3_ede_alg, + &mv_cesa_cbc_des3_ede_alg, &mv_cesa_ecb_aes_alg, &mv_cesa_cbc_aes_alg, }; diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index 4b07209..1229c3d 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -779,6 +779,8 @@ extern struct ahash_alg mv_ahmac_sha1_alg; extern struct crypto_alg mv_cesa_ecb_des_alg; extern struct crypto_alg mv_cesa_cbc_des_alg; +extern struct crypto_alg mv_cesa_ecb_des3_ede_alg; +extern struct crypto_alg mv_cesa_cbc_des3_ede_alg; extern struct crypto_alg mv_cesa_ecb_aes_alg; extern struct crypto_alg mv_cesa_cbc_aes_alg; diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index e420ea6..0745cf3 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -22,6 +22,11 @@ struct mv_cesa_des_ctx { u8 key[DES_KEY_SIZE]; }; +struct mv_cesa_des3_ctx { + struct mv_cesa_ctx base; + u8 key[DES3_EDE_KEY_SIZE]; +}; + struct mv_cesa_aes_ctx { struct mv_cesa_ctx base; struct crypto_aes_ctx aes; @@ -268,6 +273,22 @@ static int mv_cesa_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, return 0; } +static int mv_cesa_des3_ede_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int len) +{ + struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); + struct mv_cesa_des_ctx *ctx = crypto_tfm_ctx(tfm); + + if (len != DES3_EDE_KEY_SIZE) { + crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + memcpy(ctx->key, key, DES3_EDE_KEY_SIZE); + + return 0; +} + static int mv_cesa_ablkcipher_dma_req_init(struct ablkcipher_request *req, const struct mv_cesa_op_ctx *op_templ) { @@ -514,6 +535,132 @@ struct crypto_alg mv_cesa_cbc_des_alg = { }, }; +static int mv_cesa_des3_op(struct ablkcipher_request *req, + struct mv_cesa_op_ctx *tmpl) +{ + struct mv_cesa_des3_ctx *ctx = crypto_tfm_ctx(req->base.tfm); + int ret; + + mv_cesa_update_op_cfg(tmpl, CESA_SA_DESC_CFG_CRYPTM_3DES, + CESA_SA_DESC_CFG_CRYPTM_MSK); + + memcpy(tmpl->ctx.blkcipher.key, ctx->key, DES3_EDE_KEY_SIZE); + + ret = mv_cesa_ablkcipher_req_init(req, tmpl); + if (ret) + return ret; + + ret = mv_cesa_queue_req(&req->base); + if (ret && ret != -EINPROGRESS) + mv_cesa_ablkcipher_cleanup(req); + + return ret; +} + +static int mv_cesa_ecb_des3_ede_encrypt(struct ablkcipher_request *req) +{ + struct mv_cesa_op_ctx tmpl; + + mv_cesa_set_op_cfg(&tmpl, + CESA_SA_DESC_CFG_CRYPTCM_ECB | + CESA_SA_DESC_CFG_3DES_EDE | + CESA_SA_DESC_CFG_DIR_ENC); + + return mv_cesa_des3_op(req, &tmpl); +} + +static int mv_cesa_ecb_des3_ede_decrypt(struct ablkcipher_request *req) +{ + struct mv_cesa_op_ctx tmpl; + + mv_cesa_set_op_cfg(&tmpl, + CESA_SA_DESC_CFG_CRYPTCM_ECB | + CESA_SA_DESC_CFG_3DES_EDE | + CESA_SA_DESC_CFG_DIR_DEC); + + return mv_cesa_des3_op(req, &tmpl); +} + +struct crypto_alg mv_cesa_ecb_des3_ede_alg = { + .cra_name = "ecb(des3_ede)", + .cra_driver_name = "mv-ecb-des3-ede", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct mv_cesa_des3_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = mv_cesa_ablkcipher_cra_init, + .cra_u = { + .ablkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = mv_cesa_des3_ede_setkey, + .encrypt = mv_cesa_ecb_des3_ede_encrypt, + .decrypt = mv_cesa_ecb_des3_ede_decrypt, + }, + }, +}; + +static int mv_cesa_cbc_des3_op(struct ablkcipher_request *req, + struct mv_cesa_op_ctx *tmpl) +{ + memcpy(tmpl->ctx.blkcipher.iv, req->info, DES3_EDE_BLOCK_SIZE); + + return mv_cesa_des3_op(req, tmpl); +} + +static int mv_cesa_cbc_des3_ede_encrypt(struct ablkcipher_request *req) +{ + struct mv_cesa_op_ctx tmpl; + + mv_cesa_set_op_cfg(&tmpl, + CESA_SA_DESC_CFG_CRYPTCM_CBC | + CESA_SA_DESC_CFG_3DES_EDE | + CESA_SA_DESC_CFG_DIR_ENC); + + return mv_cesa_cbc_des3_op(req, &tmpl); +} + +static int mv_cesa_cbc_des3_ede_decrypt(struct ablkcipher_request *req) +{ + struct mv_cesa_op_ctx tmpl; + + mv_cesa_set_op_cfg(&tmpl, + CESA_SA_DESC_CFG_CRYPTCM_CBC | + CESA_SA_DESC_CFG_3DES_EDE | + CESA_SA_DESC_CFG_DIR_DEC); + + return mv_cesa_cbc_des3_op(req, &tmpl); +} + +struct crypto_alg mv_cesa_cbc_des3_ede_alg = { + .cra_name = "cbc(des3_ede)", + .cra_driver_name = "mv-cbc-des3-ede", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct mv_cesa_des3_ctx), + .cra_alignmask = 0, + .cra_type = &crypto_ablkcipher_type, + .cra_module = THIS_MODULE, + .cra_init = mv_cesa_ablkcipher_cra_init, + .cra_u = { + .ablkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = mv_cesa_des3_ede_setkey, + .encrypt = mv_cesa_cbc_des3_ede_encrypt, + .decrypt = mv_cesa_cbc_des3_ede_decrypt, + }, + }, +}; + static int mv_cesa_aes_op(struct ablkcipher_request *req, struct mv_cesa_op_ctx *tmpl) {