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authorAlistair Delva <adelva@google.com>2021-02-16 21:01:22 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-02-16 21:01:22 +0000
commitefb2826bb8160e2d8e0fcec85133a7468484f9fd (patch)
tree37a21c69306801ee7cdda5167a30896c8740155b /include/tools_share/firmware_encrypted.h
parentb00a71fc312c9781fa6f404dccfb55b062b2ccac (diff)
parentfaa476c0caaa598afa5a6109d17102db5fe35ec6 (diff)
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Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'include/tools_share/firmware_encrypted.h')
-rw-r--r--include/tools_share/firmware_encrypted.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/tools_share/firmware_encrypted.h b/include/tools_share/firmware_encrypted.h
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index 000000000..7ca634f5e
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+++ b/include/tools_share/firmware_encrypted.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2020, Linaro Limited. All rights reserved.
+ * Author: Sumit Garg <sumit.garg@linaro.org>
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FIRMWARE_ENCRYPTED_H
+#define FIRMWARE_ENCRYPTED_H
+
+#include <stdint.h>
+
+/* This is used as a signature to validate the encryption header */
+#define ENC_HEADER_MAGIC 0xAA640001U
+
+/* Firmware encryption status flag mask */
+#define FW_ENC_STATUS_FLAG_MASK 0x1
+
+/*
+ * SSK: Secret Symmetric Key
+ * BSSK: Binding Secret Symmetric Key
+ */
+enum fw_enc_status_t {
+ FW_ENC_WITH_SSK = 0,
+ FW_ENC_WITH_BSSK = 1,
+};
+
+#define ENC_MAX_IV_SIZE 16U
+#define ENC_MAX_TAG_SIZE 16U
+#define ENC_MAX_KEY_SIZE 32U
+
+struct fw_enc_hdr {
+ uint32_t magic;
+ uint16_t dec_algo;
+ uint16_t flags;
+ uint16_t iv_len;
+ uint16_t tag_len;
+ uint8_t iv[ENC_MAX_IV_SIZE];
+ uint8_t tag[ENC_MAX_TAG_SIZE];
+};
+
+#endif /* FIRMWARE_ENCRYPTED_H */