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GET /api/1.2/patches/2224478/?format=api
{ "id": 2224478, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224478/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260417130204.49896-10-philippe.reynes@softathome.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.2/projects/18/?format=api", "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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260417130204.49896-10-philippe.reynes@softathome.com>", "list_archive_url": null, "date": "2026-04-17T13:01:59", "name": "[v4,09/14] tools: mkimage: pre-load: add support of ecdsa", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ab4e456f8f63cca7a70f8babf957d090353cfdb3", "submitter": { "id": 74351, "url": "http://patchwork.ozlabs.org/api/1.2/people/74351/?format=api", "name": "Philippe Reynes", "email": "philippe.reynes@softathome.com" }, "delegate": { "id": 161313, "url": "http://patchwork.ozlabs.org/api/1.2/users/161313/?format=api", "username": "raymo200915", "first_name": "Raymond", "last_name": "Mao", "email": "raymondmaoca@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260417130204.49896-10-philippe.reynes@softathome.com/mbox/", "series": [ { "id": 500332, "url": "http://patchwork.ozlabs.org/api/1.2/series/500332/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500332", "date": "2026-04-17T13:02:04", "name": "add software ecdsa support", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/500332/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224478/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224478/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "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=Gb5VXrkq;\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 <philippe.reynes@softathome.com>", "To": "marko.makela@iki.fi, jonny.green@keytechinc.com, raymondmaoca@gmail.com,\n trini@konsulko.com, simon.glass@canonical.com", "Cc": "u-boot@lists.denx.de,\n\tPhilippe Reynes <philippe.reynes@softathome.com>", "Subject": "[PATCH v4 09/14] tools: mkimage: pre-load: add support of ecdsa", "Date": "Fri, 17 Apr 2026 15:01:59 +0200", "Message-ID": "<20260417130204.49896-10-philippe.reynes@softathome.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260417130204.49896-1-philippe.reynes@softathome.com>", "References": "<20260417130204.49896-1-philippe.reynes@softathome.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "PA3PEPF000089BB:EE_|MRZP264MB2713:EE_", "Content-Type": "text/plain", "X-MS-Office365-Filtering-Correlation-Id": "f6783423-5842-427e-286f-08de9c81897f", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|82310400026|36860700016|376014|1800799024|18002099003|56012099003|22082099003;", "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": "PA3PEPF000089BB.FRAP264.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MRZP264MB2713", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Right now, mkimage can only create pre-load header\nusing rsa. We add the support of ecdsa.\n\nSigned-off-by: Philippe Reynes <philippe.reynes@softathome.com>\n---\nv3:\n- initial version\nv4:\n- use pre_load_noffset (do not compute it again)\n- release memory allocated with strdup\n- clean code\n\n lib/ecdsa/ecdsa-libcrypto.c | 29 ++++++++++----\n tools/image-host.c | 79 +++++++++++++++++++++++++++++++------\n 2 files changed, 90 insertions(+), 18 deletions(-)", "diff": "diff --git a/lib/ecdsa/ecdsa-libcrypto.c b/lib/ecdsa/ecdsa-libcrypto.c\nindex 9218d06bda0..6f347e6751f 100644\n--- a/lib/ecdsa/ecdsa-libcrypto.c\n+++ b/lib/ecdsa/ecdsa-libcrypto.c\n@@ -496,14 +496,9 @@ int ecdsa_verify(struct image_sign_info *info,\n \treturn ret;\n }\n \n-static int do_add(struct signer *ctx, void *fdt, const char *key_node_name,\n-\t\t struct image_sign_info *info)\n+static int search_key_node(void *fdt, const char *key_node_name)\n {\n-\tint signature_node, key_node, ret, key_bits;\n-\tconst char *curve_name;\n-\tconst EC_GROUP *group;\n-\tconst EC_POINT *point;\n-\tBIGNUM *x, *y;\n+\tint signature_node, key_node;\n \n \tsignature_node = fdt_subnode_offset(fdt, 0, FIT_SIG_NODENAME);\n \tif (signature_node == -FDT_ERR_NOTFOUND) {\n@@ -538,6 +533,26 @@ static int do_add(struct signer *ctx, void *fdt, const char *key_node_name,\n \t\treturn key_node;\n \t}\n \n+\treturn key_node;\n+}\n+\n+static int do_add(struct signer *ctx, void *fdt, const char *key_node_name,\n+\t\t struct image_sign_info *info)\n+{\n+\tint key_node, ret, key_bits;\n+\tconst char *curve_name;\n+\tconst EC_GROUP *group;\n+\tconst EC_POINT *point;\n+\tBIGNUM *x, *y;\n+\n+\tif (info->required_keynode > 0) {\n+\t\tkey_node = info->required_keynode;\n+\t} else {\n+\t\tkey_node = search_key_node(fdt, key_node_name);\n+\t\tif (key_node < 0)\n+\t\t\treturn key_node;\n+\t}\n+\n \tgroup = EC_KEY_get0_group(ctx->ecdsa_key);\n \tkey_bits = EC_GROUP_order_bits(group);\n \tcurve_name = OBJ_nid2sn(EC_GROUP_get_curve_name(group));\ndiff --git a/tools/image-host.c b/tools/image-host.c\nindex 8b550af0dc1..5577d25a95e 100644\n--- a/tools/image-host.c\n+++ b/tools/image-host.c\n@@ -13,6 +13,7 @@\n #include <fdt_region.h>\n #include <image.h>\n #include <version.h>\n+#include <u-boot/ecdsa.h>\n \n #if CONFIG_IS_ENABLED(FIT_SIGNATURE)\n #include <openssl/pem.h>\n@@ -1244,13 +1245,61 @@ err_cert:\n \treturn ret;\n }\n \n+static int fit_pre_load_data_key_rsa(const char *keydir, void *keydest,\n+\t\t\t\t int pre_load_noffset, const void *key_name)\n+{\n+\tunsigned char *pubkey = NULL;\n+\tint ret, pubkey_len;\n+\n+\t/* Read public key */\n+\tret = read_pub_key(keydir, key_name, &pubkey, &pubkey_len);\n+\tif (ret < 0)\n+\t\tgoto out;\n+\n+\t/* Add the public key to the device tree */\n+\tret = fdt_setprop(keydest, pre_load_noffset, \"public-key\",\n+\t\t\t pubkey, pubkey_len);\n+\tif (ret)\n+\t\tfprintf(stderr, \"Can't set public-key in node %s (ret = %d)\\n\",\n+\t\t\tIMAGE_PRE_LOAD_PATH, ret);\n+ out:\n+\treturn ret;\n+}\n+\n+static int fit_pre_load_data_key_ecdsa(const char *keydir, void *keydest,\n+\t\t\t\t int pre_load_noffset, const void *key_name,\n+\t\t\t\t const void *algo_name)\n+{\n+\tstruct image_sign_info info;\n+\tint node, ret = 0;\n+\n+\tmemset(&info, 0, sizeof(info));\n+\tinfo.keydir = keydir;\n+\tinfo.keyname = strdup(key_name);\n+\tinfo.name = strdup(algo_name);\n+\tinfo.checksum = image_get_checksum_algo(algo_name);\n+\tinfo.crypto = image_get_crypto_algo(algo_name);\n+\tinfo.required_keynode = pre_load_noffset;\n+\n+\tnode = ecdsa_add_verify_data(&info, keydest);\n+\tif (node < 0) {\n+\t\tfprintf(stderr, \"Can't add verify data: err = %d\\n\", node);\n+\t\tret = -EIO;\n+\t}\n+\n+\tfree((void *)info.keyname);\n+\tfree((void *)info.name);\n+\n+\treturn ret;\n+}\n+\n int fit_pre_load_data(const char *keydir, void *keydest, void *fit)\n {\n \tint pre_load_noffset;\n \tconst void *algo_name;\n \tconst void *key_name;\n-\tunsigned char *pubkey = NULL;\n-\tint ret, pubkey_len;\n+\tchar *name;\n+\tint ret;\n \n \tif (!keydir || !keydest || !fit)\n \t\treturn 0;\n@@ -1277,17 +1326,25 @@ int fit_pre_load_data(const char *keydir, void *keydest, void *fit)\n \t\tgoto out;\n \t}\n \n-\t/* Read public key */\n-\tret = read_pub_key(keydir, key_name, &pubkey, &pubkey_len);\n-\tif (ret < 0)\n+\t/* Is it a RSA or an ECDSA key */\n+\tname = strchr((const char *)algo_name, ',');\n+\tif (!name) {\n+\t\tfprintf(stderr, \"The name of the algo is invalid: %s\\n\",\n+\t\t\t(char *)algo_name);\n+\t\tret = -EINVAL;\n \t\tgoto out;\n+\t}\n+\tname += 1;\n \n-\t/* Add the public key to the device tree */\n-\tret = fdt_setprop(keydest, pre_load_noffset, \"public-key\",\n-\t\t\t pubkey, pubkey_len);\n-\tif (ret)\n-\t\tfprintf(stderr, \"Can't set public-key in node %s (ret = %d)\\n\",\n-\t\t\tIMAGE_PRE_LOAD_PATH, ret);\n+\tif (!strncmp(name, \"rsa\", 3)) {\n+\t\tret = fit_pre_load_data_key_rsa(keydir, keydest, pre_load_noffset, key_name);\n+\t} else if (!strncmp(name, \"ecdsa\", 5)) {\n+\t\tret = fit_pre_load_data_key_ecdsa(keydir, keydest, pre_load_noffset,\n+\t\t\t\t\t\t key_name, algo_name);\n+\t} else {\n+\t\tfprintf(stderr, \"The algo %s is not supported\\n\", (char *)algo_name);\n+\t\tret = -EINVAL;\n+\t}\n \n out:\n \treturn ret;\n", "prefixes": [ "v4", "09/14" ] }