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GET /api/patches/2218049/?format=api
{ "id": 2218049, "url": "http://patchwork.ozlabs.org/api/patches/2218049/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260331100047.34618-11-philippe.reynes@softathome.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/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": "<20260331100047.34618-11-philippe.reynes@softathome.com>", "list_archive_url": null, "date": "2026-03-31T10:00:42", "name": "[v3,10/15] tools: binman: pre-load: add support of ecdsa", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "ad0e6a64a5a3865482bc93adb4ec9db05a5dd0f7", "submitter": { "id": 74351, "url": "http://patchwork.ozlabs.org/api/people/74351/?format=api", "name": "Philippe Reynes", "email": "philippe.reynes@softathome.com" }, "delegate": { "id": 161313, "url": "http://patchwork.ozlabs.org/api/users/161313/?format=api", "username": "raymo200915", "first_name": "Raymond", "last_name": "Mao", "email": "raymondmaoca@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260331100047.34618-11-philippe.reynes@softathome.com/mbox/", "series": [ { "id": 498164, "url": "http://patchwork.ozlabs.org/api/series/498164/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=498164", "date": "2026-03-31T10:00:34", "name": "add software ecdsa support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/498164/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218049/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218049/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=hFbuxVwN;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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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 v3 10/15] tools: binman: pre-load: add support of ecdsa", "Date": "Tue, 31 Mar 2026 12:00:42 +0200", "Message-ID": "<20260331100047.34618-11-philippe.reynes@softathome.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260331100047.34618-1-philippe.reynes@softathome.com>", "References": "<20260331100047.34618-1-philippe.reynes@softathome.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "PA2PEPF00019232:EE_|MR0P264MB5115:EE_", "Content-Type": "text/plain", "X-MS-Office365-Filtering-Correlation-Id": "0e9eeda4-3e58-4ae3-7609-08de8f0c6532", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|1800799024|376014|36860700016|82310400026|22082099003|18002099003|56012099003|17002099007;", "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": "PA2PEPF00019232.FRAP264.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MR0P264MB5115", "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, binman 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\n\n tools/binman/etype/pre_load.py | 78 ++++++++++++++++++++++++++++++----\n tools/binman/ftest.py | 31 ++++++++++++++\n 2 files changed, 101 insertions(+), 8 deletions(-)", "diff": "diff --git a/tools/binman/etype/pre_load.py b/tools/binman/etype/pre_load.py\nindex 00f1a896767..2a2636403d3 100644\n--- a/tools/binman/etype/pre_load.py\n+++ b/tools/binman/etype/pre_load.py\n@@ -16,8 +16,10 @@ from binman.entry import EntryArg\n \n from Cryptodome.Hash import SHA256, SHA384, SHA512\n from Cryptodome.PublicKey import RSA\n+from Cryptodome.PublicKey import ECC\n from Cryptodome.Signature import pkcs1_15\n from Cryptodome.Signature import pss\n+from Cryptodome.Signature import DSS\n \n PRE_LOAD_MAGIC = b'UBSH'\n \n@@ -27,6 +29,12 @@ RSAS = {\n 'rsa4096': 4096 / 8\n }\n \n+ECDSAS = {\n+ 'ecdsa256': 256 / 8 * 2,\n+ 'ecdsa384': 384 / 8 * 2,\n+ 'ecdsa521': 132\n+}\n+\n SHAS = {\n 'sha256': SHA256,\n 'sha384': SHA384,\n@@ -86,17 +94,10 @@ class Entry_pre_load(Entry_collection):\n if self.key_path is None:\n self.key_path = ''\n \n- def _CreateHeader(self):\n- \"\"\"Create a pre load header\"\"\"\n- hash_name, sign_name = self.algo_name.split(',')\n- padding_name = self.padding_name\n- key_name = os.path.join(self.key_path, self.key_name)\n-\n+ def _CreateHeaderRsa(self, hash_name, sign_name, padding_name, key_name):\n # Check hash and signature name/type\n if hash_name not in SHAS:\n self.Raise(hash_name + \" is not supported\")\n- if sign_name not in RSAS:\n- self.Raise(sign_name + \" is not supported\")\n \n # Read the key\n key = RSA.import_key(tools.read_file(key_name))\n@@ -151,6 +152,67 @@ class Entry_pre_load(Entry_collection):\n \n return data + pad\n \n+ def _CreateHeaderEcdsa(self, hash_name, sign_name, padding_name, key_name):\n+ # Check hash and signature name/type\n+ if hash_name not in SHAS:\n+ self.Raise(hash_name + \" is not supported\")\n+\n+ # Read the key\n+ key = ECC.import_key(tools.read_file(key_name))\n+\n+ # Check if the key has the expected size\n+ # if key.size_in_bytes() != ECDSAS[sign_name]:\n+ # self.Raise(\"The key \" + self.key_name + \" don't have the expected size\")\n+\n+ # Compute the hash\n+ hash_image = SHAS[hash_name].new()\n+ hash_image.update(self.image)\n+\n+ # Compute the signature\n+ signer = DSS.new(key, 'fips-186-3')\n+ sig = signer.sign(hash_image)\n+\n+ # print(\"len = %d\\n\", len(sig))\n+\n+ hash_sig = SHA256.new()\n+ hash_sig.update(sig)\n+\n+ version = self.version\n+ header_size = self.header_size\n+ image_size = len(self.image)\n+ ofs_img_sig = 64 + len(sig)\n+ flags = 0\n+ reserved0 = 0\n+ reserved1 = 0\n+\n+ first_header = struct.pack('>4sIIIIIII32s', PRE_LOAD_MAGIC,\n+ version, header_size, image_size,\n+ ofs_img_sig, flags, reserved0,\n+ reserved1, hash_sig.digest())\n+\n+ hash_first_header = SHAS[hash_name].new()\n+ hash_first_header.update(first_header)\n+ sig_first_header = signer.sign(hash_first_header)\n+\n+ data = first_header + sig_first_header + sig\n+ pad = bytearray(self.header_size - len(data))\n+\n+ return data + pad\n+\n+ def _CreateHeader(self):\n+ \"\"\"Create a pre load header\"\"\"\n+ hash_name, sign_name = self.algo_name.split(',')\n+ padding_name = self.padding_name\n+ key_name = os.path.join(self.key_path, self.key_name)\n+\n+ if sign_name in RSAS:\n+ return self._CreateHeaderRsa(hash_name, sign_name, padding_name, key_name)\n+\n+ if sign_name in ECDSAS:\n+ return self._CreateHeaderEcdsa(hash_name, sign_name, padding_name, key_name)\n+\n+ self.Raise(sign_name + \" is not supported\")\n+\n def ObtainContents(self):\n \"\"\"Obtain a placeholder for the header contents\"\"\"\n # wait that the image is available\ndiff --git a/tools/binman/ftest.py b/tools/binman/ftest.py\nindex a53e37f31b3..bdb46fbf24f 100644\n--- a/tools/binman/ftest.py\n+++ b/tools/binman/ftest.py\n@@ -5894,6 +5894,37 @@ fdt fdtmap Extract the devicetree blob from the fdtmap\n data = self._DoReadFileDtb('236_pre_load_invalid_key.dts',\n entry_args=entry_args)\n \n+ def testPreLoadEcdsa(self):\n+ \"\"\"Test an image with a pre-load header using ecdsa key\"\"\"\n+ entry_args = {\n+ 'pre-load-key-path': os.path.join(self._binman_dir, 'test'),\n+ }\n+ data = self._DoReadFileDtb(\n+ '351_pre_load_ecdsa.dts', entry_args=entry_args,\n+ extra_indirs=[os.path.join(self._binman_dir, 'test')])[0]\n+\n+ image_fname = tools.get_output_filename('image.bin')\n+ is_signed = self._CheckPreload(image_fname, self.TestFile(\"ecdsa521.pem\"), \"sha256,ecdsa521\")\n+\n+ self.assertEqual(PRE_LOAD_MAGIC, data[:len(PRE_LOAD_MAGIC)])\n+ self.assertEqual(PRE_LOAD_VERSION, data[4:4 + len(PRE_LOAD_VERSION)])\n+ self.assertEqual(PRE_LOAD_HDR_SIZE, data[8:8 + len(PRE_LOAD_HDR_SIZE)])\n+ self.assertEqual(is_signed, True)\n+\n+ def testPreLoadEcdsaInvalidSha(self):\n+ \"\"\"Test an image with a pre-load ecdsa header with an invalid hash\"\"\"\n+ entry_args = {\n+ 'pre-load-key-path': os.path.join(self._binman_dir, 'test'),\n+ }\n+ with self.assertRaises(ValueError) as e:\n+ self._DoReadFileDtb('352_pre_load_ecdsa_invalid_sha.dts',\n+ entry_args=entry_args)\n+\n+ def testPreLoadEcdsaInvalidAlgo(self):\n+ \"\"\"Test an image with a pre-load header with an invalid algo\"\"\"\n+ with self.assertRaises(ValueError) as e:\n+ data = self._DoReadFile('353_pre_load_ecdsa_invalid_algo.dts')\n+\n def _CheckSafeUniqueNames(self, *images):\n \"\"\"Check all entries of given images for unsafe unique names\"\"\"\n for image in images:\n", "prefixes": [ "v3", "10/15" ] }