1 files changed, 92 insertions, 0 deletions
diff --git a/include/drivers/auth/auth_mod.h b/include/drivers/auth/auth_mod.h
new file mode 100644
index 0000000..94537f6
--- /dev/null
+++ b/include/drivers/auth/auth_mod.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef AUTH_MOD_H
+#define AUTH_MOD_H
+
+#include <common/tbbr/cot_def.h>
+#include <common/tbbr/tbbr_img_def.h>
+#include <drivers/auth/auth_common.h>
+#include <drivers/auth/img_parser_mod.h>
+
+#include <lib/utils_def.h>
+
+/*
+ * Image flags
+ */
+#define IMG_FLAG_AUTHENTICATED		(1 << 0)
+
+#if COT_DESC_IN_DTB && !IMAGE_BL1
+/*
+ * Authentication image descriptor
+ */
+typedef struct auth_img_desc_s {
+	unsigned int img_id;
+	img_type_t img_type;
+	const struct auth_img_desc_s *parent;
+	auth_method_desc_t *img_auth_methods;
+	auth_param_desc_t *authenticated_data;
+} auth_img_desc_t;
+#else
+/*
+ * Authentication image descriptor
+ */
+typedef struct auth_img_desc_s {
+	unsigned int img_id;
+	img_type_t img_type;
+	const struct auth_img_desc_s *parent;
+	const auth_method_desc_t *const img_auth_methods;
+	const auth_param_desc_t *const authenticated_data;
+} auth_img_desc_t;
+#endif /* COT_DESC_IN_DTB && !IMAGE_BL1 */
+
+/* Public functions */
+#if TRUSTED_BOARD_BOOT
+void auth_mod_init(void);
+#else
+static inline void auth_mod_init(void)
+{
+}
+#endif /* TRUSTED_BOARD_BOOT */
+int auth_mod_get_parent_id(unsigned int img_id, unsigned int *parent_id);
+int auth_mod_verify_img(unsigned int img_id,
+			void *img_ptr,
+			unsigned int img_len);
+
+/* Macro to register a CoT defined as an array of auth_img_desc_t pointers */
+#define REGISTER_COT(_cot) \
+	const auth_img_desc_t *const *const cot_desc_ptr = (_cot); \
+	const size_t cot_desc_size = ARRAY_SIZE(_cot);		   \
+	unsigned int auth_img_flags[MAX_NUMBER_IDS]
+
+extern const auth_img_desc_t *const *const cot_desc_ptr;
+extern const size_t cot_desc_size;
+extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
+
+#if defined(SPD_spmd)
+
+#define DEFINE_SIP_SP_PKG(n)		DEFINE_SP_PKG(n, sip_sp_content_cert)
+#define DEFINE_PLAT_SP_PKG(n)		DEFINE_SP_PKG(n, plat_sp_content_cert)
+
+#define DEFINE_SP_PKG(n, cert) \
+	static const auth_img_desc_t sp_pkg##n = { \
+		.img_id = SP_PKG##n##_ID, \
+		.img_type = IMG_RAW, \
+		.parent = &cert, \
+		.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) { \
+			[0] = { \
+				.type = AUTH_METHOD_HASH, \
+				.param.hash = { \
+					.data = &raw_data, \
+					.hash = &sp_pkg##n##_hash \
+				} \
+			} \
+		} \
+	}
+
+#endif
+
+#endif /* AUTH_MOD_H */