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GET /api/1.2/patches/2224477/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2224477,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224477/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260417130204.49896-12-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": "<20260417130204.49896-12-philippe.reynes@softathome.com>",
    "list_archive_url": null,
    "date": "2026-04-17T13:02:01",
    "name": "[v4,11/14] boot: pre-load: add support of ecdsa",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "9cf49bfa80a624875fba37977f0375f6fbf55d70",
    "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/20260417130204.49896-12-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/2224477/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2224477/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "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 11/14] boot: pre-load: add support of ecdsa",
        "Date": "Fri, 17 Apr 2026 15:02:01 +0200",
        "Message-ID": "<20260417130204.49896-12-philippe.reynes@softathome.com>",
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    "content": "Right now, u-boot can only boot image with a\npre-load header with rsa. We add the support\nof ecdsa.\n\nSigned-off-by: Philippe Reynes <philippe.reynes@softathome.com>\n---\nv3:\n- initial version\nv4:\n- avoid calling image_get_crypto_algo several times\n\n\n boot/image-pre-load.c | 56 ++++++++++++++++++++++++++++++++++---------\n 1 file changed, 45 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/boot/image-pre-load.c b/boot/image-pre-load.c\nindex 2f851ebb28c..8298471cd50 100644\n--- a/boot/image-pre-load.c\n+++ b/boot/image-pre-load.c\n@@ -70,6 +70,17 @@ static int image_pre_load_sig_setup(struct image_sig_info *info)\n \treturn 0;\n }\n #else\n+\n+static int is_ecdsa(struct crypto_algo *crypto)\n+{\n+\tint ret = 0;\n+\n+\tif (crypto && !strncmp(crypto->name, \"ecdsa\", strlen(\"ecdsa\")))\n+\t\tret = 1;\n+\n+\treturn ret;\n+}\n+\n /*\n  * This function gathers information about the signature check\n  * that could be done before launching the image.\n@@ -86,6 +97,7 @@ static int image_pre_load_sig_setup(struct image_sig_info *info)\n \tint key_len;\n \tint node, ret = 0;\n \tchar *sig_info_path = NULL;\n+\tstruct crypto_algo *crypto;\n \n \tif (!info) {\n \t\tlog_err(\"ERROR: info is NULL for image pre-load sig check\\n\");\n@@ -114,11 +126,24 @@ static int image_pre_load_sig_setup(struct image_sig_info *info)\n \t\tgoto out;\n \t}\n \n-\tpadding_name = fdt_getprop(gd_fdt_blob(), node,\n-\t\t\t\t   IMAGE_PRE_LOAD_PROP_PADDING_NAME, NULL);\n-\tif (!padding_name) {\n-\t\tlog_info(\"INFO: no padding_name provided, so using pkcs-1.5\\n\");\n-\t\tpadding_name = \"pkcs-1.5\";\n+\tcrypto = image_get_crypto_algo(algo_name);\n+\tif (!crypto) {\n+\t\tprintf(\"ERROR: can't find a valid crypto algo from %s\\n\",\n+\t\t       (char *)algo_name);\n+\t\tret = -EINVAL;\n+\t\tgoto out;\n+\t}\n+\n+\tif (is_ecdsa(crypto)) {\n+\t\tpadding_name = NULL;\n+\t} else {\n+\t\tpadding_name = fdt_getprop(gd_fdt_blob(), node,\n+\t\t\t\t\t   IMAGE_PRE_LOAD_PROP_PADDING_NAME,\n+\t\t\t\t\t   NULL);\n+\t\tif (!padding_name) {\n+\t\t\tlog_info(\"INFO: no padding_name provided, so using pkcs-1.5\\n\");\n+\t\t\tpadding_name = \"pkcs-1.5\";\n+\t\t}\n \t}\n \n \tsig_size = fdt_getprop(gd_fdt_blob(), node,\n@@ -129,12 +154,17 @@ static int image_pre_load_sig_setup(struct image_sig_info *info)\n \t\tgoto out;\n \t}\n \n-\tkey = fdt_getprop(gd_fdt_blob(), node,\n-\t\t\t  IMAGE_PRE_LOAD_PROP_PUBLIC_KEY, &key_len);\n-\tif (!key) {\n-\t\tlog_err(\"ERROR: no key for image pre-load sig check\\n\");\n-\t\tret = -EINVAL;\n-\t\tgoto out;\n+\tif (is_ecdsa(crypto)) {\n+\t\tkey = NULL;\n+\t\tkey_len = 0;\n+\t} else {\n+\t\tkey = fdt_getprop(gd_fdt_blob(), node,\n+\t\t\t\t  IMAGE_PRE_LOAD_PROP_PUBLIC_KEY, &key_len);\n+\t\tif (!key) {\n+\t\t\tlog_err(\"ERROR: no key for image pre-load sig check\\n\");\n+\t\t\tret = -EINVAL;\n+\t\t\tgoto out;\n+\t\t}\n \t}\n \n \tinfo->algo_name\t\t= (char *)algo_name;\n@@ -155,6 +185,10 @@ static int image_pre_load_sig_setup(struct image_sig_info *info)\n \tinfo->sig_info.crypto   = image_get_crypto_algo(info->sig_info.name);\n \tinfo->sig_info.key      = info->key;\n \tinfo->sig_info.keylen   = info->key_len;\n+\tif (is_ecdsa(crypto)) {\n+\t\tinfo->sig_info.required_keynode = node;\n+\t\tinfo->sig_info.fdt_blob = gd_fdt_blob();\n+\t}\n \n  out:\n \treturn ret;\n",
    "prefixes": [
        "v4",
        "11/14"
    ]
}