Initial commit

Initial commit.

bootloader/mcuboot/boot/zephyr/keys.c

@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <bootutil/sign_key.h>
+
+/*
+ * Even though this is in principle a Zephyr-specific file, the
+ * simulator builds it and uses it as well. Because of that, we can't
+ * use Kconfig symbols for key types, and have to rely on the MCUBoot
+ * symbols (which Zephyr provides via this header, and the simulator
+ * provides via the compiler command line).
+ */
+#include <mcuboot_config/mcuboot_config.h>
+
+#if !defined(MCUBOOT_HW_KEY)
+#if defined(MCUBOOT_SIGN_RSA) || defined(MCUBOOT_SIGN_EC256) || defined(MCUBOOT_SIGN_ED25519)
+#define HAVE_KEYS
+#if defined(MCUBOOT_SIGN_RSA)
+extern const unsigned char rsa_pub_key[];
+extern unsigned int rsa_pub_key_len;
+#elif defined(MCUBOOT_SIGN_EC256)
+extern const unsigned char ecdsa_pub_key[];
+extern unsigned int ecdsa_pub_key_len;
+#elif defined(MCUBOOT_SIGN_ED25519)
+extern const unsigned char ed25519_pub_key[];
+extern unsigned int ed25519_pub_key_len;
+#endif
+#endif
+
+/*
+ * NOTE: *_pub_key and *_pub_key_len are autogenerated based on the provided
+ *       key file. If no key file was configured, the array and length must be
+ *       provided and added to the build manually.
+ */
+#if defined(HAVE_KEYS)
+const struct bootutil_key bootutil_keys[] = {
+    {
+#if defined(MCUBOOT_SIGN_RSA)
+        .key = rsa_pub_key,
+        .len = &rsa_pub_key_len,
+#elif defined(MCUBOOT_SIGN_EC256)
+        .key = ecdsa_pub_key,
+        .len = &ecdsa_pub_key_len,
+#elif defined(MCUBOOT_SIGN_ED25519)
+        .key = ed25519_pub_key,
+        .len = &ed25519_pub_key_len,
+#endif
+    },
+};
+const int bootutil_key_cnt = 1;
+#endif /* HAVE_KEYS */
+#else
+unsigned int pub_key_len;
+struct bootutil_key bootutil_keys[1] = {
+    {
+        .key = 0,
+        .len = &pub_key_len,
+    }
+};
+const int bootutil_key_cnt = 1;
+#endif /* !MCUBOOT_HW_KEY */
+
+#if defined(MCUBOOT_ENCRYPT_RSA) || defined(MCUBOOT_ENCRYPT_X25519) || defined(MCUBOOT_ENCRYPT_EC256)
+extern const unsigned char enc_priv_key[];
+extern unsigned int enc_priv_key_len;
+const struct bootutil_key bootutil_enc_key = {
+    .key = enc_priv_key,
+    .len = &enc_priv_key_len,
+};
+#elif defined(MCUBOOT_ENCRYPT_KW)
+#error "Encrypted images with AES-KW is not implemented yet."
+#endif