get:
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patch:
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put:
Update a patch.

GET /api/patches/2218047/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2218047,
    "url": "http://patchwork.ozlabs.org/api/patches/2218047/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260331100047.34618-10-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": "<20260331100047.34618-10-philippe.reynes@softathome.com>",
    "list_archive_url": null,
    "date": "2026-03-31T10:00:41",
    "name": "[v3,09/15] tools: mkimage: pre-load: add support of ecdsa",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": false,
    "hash": "bbfa0daeb46f7e4eee2ab2f06d47b1f30f1202f3",
    "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/20260331100047.34618-10-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/2218047/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2218047/checks/",
    "tags": {},
    "related": [],
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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 v3 09/15] tools: mkimage: pre-load: add support of ecdsa",
        "Date": "Tue, 31 Mar 2026 12:00:41 +0200",
        "Message-ID": "<20260331100047.34618-10-philippe.reynes@softathome.com>",
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    },
    "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\n\n lib/ecdsa/ecdsa-libcrypto.c | 29 ++++++++++----\n tools/image-host.c          | 78 +++++++++++++++++++++++++++++++------\n 2 files changed, 88 insertions(+), 19 deletions(-)",
    "diff": "diff --git a/lib/ecdsa/ecdsa-libcrypto.c b/lib/ecdsa/ecdsa-libcrypto.c\nindex f8ed694595c..ff396ef9987 100644\n--- a/lib/ecdsa/ecdsa-libcrypto.c\n+++ b/lib/ecdsa/ecdsa-libcrypto.c\n@@ -463,14 +463,9 @@ 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@@ -505,6 +500,26 @@ 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..9e7f756a276 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 +1245,62 @@ 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 keynode;\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+\n+\tkeynode = fdt_path_offset(keydest, IMAGE_PRE_LOAD_PATH);\n+\tif (keynode < 0) {\n+\t\tfprintf(stderr, \"Cannot select keys key_node: %s\\n\",\n+\t\t\tfdt_strerror(keynode));\n+\t\treturn keynode;\n+\t}\n+\n+\tinfo.required_keynode = keynode;\n+\n+\tecdsa_add_verify_data(&info, keydest);\n+\n+\treturn 0;\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 +1327,21 @@ 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\tgoto out;\n+\t/* Is it a RSA or an ECDSA key */\n+\tname = strchr((const char *)algo_name, ',');\n+\tif (!name)\n+\t\treturn -EINVAL;\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": [
        "v3",
        "09/15"
    ]
}