{"id":2198148,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198148/?format=json","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.0/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260219132552.1499698-5-philippe.reynes@softathome.com>","date":"2026-02-19T13:25:47","name":"[RFC,v2,4/9] drivers: crypto: add software ecdsa support","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"dd54e7ae6f1561a9d07666dd21204b8c5b43d0d5","submitter":{"id":74351,"url":"http://patchwork.ozlabs.org/api/1.0/people/74351/?format=json","name":"Philippe Reynes","email":"philippe.reynes@softathome.com"},"delegate":{"id":161313,"url":"http://patchwork.ozlabs.org/api/1.0/users/161313/?format=json","username":"raymo200915","first_name":"Raymond","last_name":"Mao","email":"raymondmaoca@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260219132552.1499698-5-philippe.reynes@softathome.com/mbox/","series":[{"id":492675,"url":"http://patchwork.ozlabs.org/api/1.0/series/492675/?format=json","date":"2026-02-19T13:25:49","name":"add software ecdsa support","version":2,"mbox":"http://patchwork.ozlabs.org/series/492675/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198148/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=softathome1.onmicrosoft.com header.i=@softathome1.onmicrosoft.com\n header.a=rsa-sha256 header.s=selector1-softathome1-onmicrosoft-com\n header.b=UYXWybwp;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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client-ip=149.6.166.170;\n helo=proxy.softathome.com; pr=C","From":"Philippe Reynes ","To":"marko.makela@iki.fi, jonny.green@keytechinc.com, raymondmaoca@gmail.com,\n trini@konsulko.com","Cc":"u-boot@lists.denx.de,\n\tPhilippe Reynes ","Subject":"[RFC PATCH v2 4/9] drivers: crypto: add software ecdsa support","Date":"Thu, 19 Feb 2026 14:25:47 +0100","Message-ID":"<20260219132552.1499698-5-philippe.reynes@softathome.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260219132552.1499698-1-philippe.reynes@softathome.com>","References":"<20260219132552.1499698-1-philippe.reynes@softathome.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-EOPAttributedMessage":"0","X-MS-PublicTrafficType":"Email","X-MS-TrafficTypeDiagnostic":"PA2PEPF00019230:EE_|PARP264MB6078:EE_","Content-Type":"text/plain","X-MS-Office365-Filtering-Correlation-Id":"ab13756b-b79b-4ad2-e34d-08de6fba7205","X-MS-Exchange-SenderADCheck":"1","X-MS-Exchange-AntiSpam-Relay":"0","X-Microsoft-Antispam":"BCL:0;\n ARA:13230040|376014|36860700013|82310400026|1800799024|30052699003|7142099003|13003099007;","X-Microsoft-Antispam-Message-Info":"\n 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","X-Forefront-Antispam-Report":"CIP:149.6.166.170; 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Ip=[149.6.166.170];\n Helo=[proxy.softathome.com]","X-MS-Exchange-CrossTenant-AuthSource":"PA2PEPF00019230.FRAP264.PROD.OUTLOOK.COM","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"PARP264MB6078","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"Add an software ecdsa driver so it is\nnow possible to use ecdsa signature on\nboard without ecdsa hardware support.\n\nSigned-off-by: Philippe Reynes \n---\nv2:\n- no change\n\n drivers/crypto/Kconfig | 2 ++\n drivers/crypto/Makefile | 1 +\n drivers/crypto/ecdsa/Kconfig | 6 ++++++\n drivers/crypto/ecdsa/Makefile | 6 ++++++\n drivers/crypto/ecdsa/ecdsa-sw.c | 33 +++++++++++++++++++++++++++++++++\n 5 files changed, 48 insertions(+)\n create mode 100644 drivers/crypto/ecdsa/Kconfig\n create mode 100644 drivers/crypto/ecdsa/Makefile\n create mode 100644 drivers/crypto/ecdsa/ecdsa-sw.c","diff":"diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig\nindex 0d58e3910fe..cf49e5c0f7e 100644\n--- a/drivers/crypto/Kconfig\n+++ b/drivers/crypto/Kconfig\n@@ -12,4 +12,6 @@ source \"drivers/crypto/nuvoton/Kconfig\"\n \n source \"drivers/crypto/tegra/Kconfig\"\n \n+source \"drivers/crypto/ecdsa/Kconfig\"\n+\n endmenu\ndiff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile\nindex e4a4482b7f3..8170e4cae9c 100644\n--- a/drivers/crypto/Makefile\n+++ b/drivers/crypto/Makefile\n@@ -4,6 +4,7 @@\n #\thttp://www.samsung.com\n \n obj-$(CONFIG_EXYNOS_ACE_SHA)\t+= ace_sha.o\n+obj-$(CONFIG_ECDSA) += ecdsa/\n obj-y += aes/\n obj-y += rsa_mod_exp/\n obj-y += fsl/\ndiff --git a/drivers/crypto/ecdsa/Kconfig b/drivers/crypto/ecdsa/Kconfig\nnew file mode 100644\nindex 00000000000..308824d8421\n--- /dev/null\n+++ b/drivers/crypto/ecdsa/Kconfig\n@@ -0,0 +1,6 @@\n+config ECDSA_SW\n+\tbool \"Enable driver for ECDSA in software\"\n+\tdepends on ECDSA_MBEDTLS\n+\thelp\n+\t Enable driver for ECDSA operations in software. Currently\n+\t it supports multiple ECDSA algorithm.\ndiff --git a/drivers/crypto/ecdsa/Makefile b/drivers/crypto/ecdsa/Makefile\nnew file mode 100644\nindex 00000000000..8f9e5a767f8\n--- /dev/null\n+++ b/drivers/crypto/ecdsa/Makefile\n@@ -0,0 +1,6 @@\n+# SPDX-License-Identifier: GPL-2.0+\n+#\n+# Copyright (C) 2026 Philippe Reynes \n+#\n+\n+obj-$(CONFIG_ECDSA_SW) += ecdsa-sw.o\ndiff --git a/drivers/crypto/ecdsa/ecdsa-sw.c b/drivers/crypto/ecdsa/ecdsa-sw.c\nnew file mode 100644\nindex 00000000000..0d526371ecb\n--- /dev/null\n+++ b/drivers/crypto/ecdsa/ecdsa-sw.c\n@@ -0,0 +1,33 @@\n+// SPDX-License-Identifier: GPL-2.0+\n+/*\n+ * Copyright (C) 2026 Philippe Reynes \n+ */\n+#include \n+#include \n+#include \n+#include \n+#include \n+#include \n+\n+static int ops_sw_ecdsa_verify(__always_unused struct udevice *dev,\n+\t\t\t const struct ecdsa_public_key *pubkey,\n+\t\t\t const void *hash, size_t hash_len,\n+\t\t\t const void *signature, size_t sig_len)\n+{\n+\treturn sw_ecdsa_verify(pubkey, hash, hash_len, signature, sig_len);\n+}\n+\n+static const struct ecdsa_ops sw_ecdsa_ops = {\n+\t.verify = ops_sw_ecdsa_verify,\n+};\n+\n+U_BOOT_DRIVER(sw_ecdsa) = {\n+\t.name\t= \"sw_ecdsa\",\n+\t.id\t= UCLASS_ECDSA,\n+\t.ops\t= &sw_ecdsa_ops,\n+\t.flags\t= DM_FLAG_PRE_RELOC,\n+};\n+\n+U_BOOT_DRVINFO(sw_ecdsa) = {\n+\t.name = \"sw_ecdsa\",\n+};\n","prefixes":["RFC","v2","4/9"]}