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-rw-r--r--include/drivers/auth/auth_common.h141
-rw-r--r--include/drivers/auth/auth_mod.h72
-rw-r--r--include/drivers/auth/crypto_mod.h84
-rw-r--r--include/drivers/auth/img_parser_mod.h88
-rw-r--r--include/drivers/auth/mbedtls/mbedtls_common.h36
-rw-r--r--include/drivers/auth/mbedtls/mbedtls_config.h99
-rw-r--r--include/drivers/io/io_storage.h6
7 files changed, 526 insertions, 0 deletions
diff --git a/include/drivers/auth/auth_common.h b/include/drivers/auth/auth_common.h
new file mode 100644
index 00000000..52a895e4
--- /dev/null
+++ b/include/drivers/auth/auth_common.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __AUTH_COMMON_H__
+#define __AUTH_COMMON_H__
+
+/*
+ * Authentication framework common types
+ */
+
+/*
+ * Type of parameters that can be extracted from an image and
+ * used for authentication
+ */
+typedef enum auth_param_type_enum {
+ AUTH_PARAM_NONE,
+ AUTH_PARAM_RAW_DATA, /* Raw image data */
+ AUTH_PARAM_SIG, /* The image signature */
+ AUTH_PARAM_SIG_ALG, /* The image signature algorithm */
+ AUTH_PARAM_HASH, /* A hash (including the algorithm) */
+ AUTH_PARAM_PUB_KEY, /* A public key */
+} auth_param_type_t;
+
+/*
+ * Defines an authentication parameter. The cookie will be interpreted by the
+ * image parser module.
+ */
+typedef struct auth_param_type_desc_s {
+ auth_param_type_t type;
+ void *cookie;
+} auth_param_type_desc_t;
+
+/*
+ * Store a pointer to the authentication parameter and its length
+ */
+typedef struct auth_param_data_desc_s {
+ void *ptr;
+ unsigned int len;
+} auth_param_data_desc_t;
+
+/*
+ * Authentication parameter descriptor, including type and value
+ */
+typedef struct auth_param_desc_s {
+ auth_param_type_desc_t *type_desc;
+ auth_param_data_desc_t data;
+} auth_param_desc_t;
+
+/*
+ * The method type defines how an image is authenticated
+ */
+typedef enum auth_method_type_enum {
+ AUTH_METHOD_NONE = 0,
+ AUTH_METHOD_HASH, /* Authenticate by hash matching */
+ AUTH_METHOD_SIG, /* Authenticate by PK operation */
+ AUTH_METHOD_NUM /* Number of methods */
+} auth_method_type_t;
+
+/*
+ * Parameters for authentication by hash matching
+ */
+typedef struct auth_method_param_hash_s {
+ auth_param_type_desc_t *data; /* Data to hash */
+ auth_param_type_desc_t *hash; /* Hash to match with */
+} auth_method_param_hash_t;
+
+/*
+ * Parameters for authentication by signature
+ */
+typedef struct auth_method_param_sig_s {
+ auth_param_type_desc_t *pk; /* Public key */
+ auth_param_type_desc_t *sig; /* Signature to check */
+ auth_param_type_desc_t *alg; /* Signature algorithm */
+ auth_param_type_desc_t *data; /* Data signed */
+} auth_method_param_sig_t;
+
+/*
+ * Parameters for authentication by NV counter
+ */
+typedef struct auth_method_param_nv_ctr_s {
+ auth_param_type_desc_t *nv_ctr; /* NV counter value */
+} auth_method_param_nv_ctr_t;
+
+/*
+ * Authentication method descriptor
+ */
+typedef struct auth_method_desc_s {
+ auth_method_type_t type;
+ union {
+ auth_method_param_hash_t hash;
+ auth_method_param_sig_t sig;
+ auth_method_param_nv_ctr_t nv_ctr;
+ } param;
+} auth_method_desc_t;
+
+/*
+ * Helper macro to define an authentication parameter type descriptor
+ */
+#define AUTH_PARAM_TYPE_DESC(_type, _cookie) \
+ { \
+ .type = _type, \
+ .cookie = (void *)_cookie \
+ }
+
+/*
+ * Helper macro to define an authentication parameter data descriptor
+ */
+#define AUTH_PARAM_DATA_DESC(_ptr, _len) \
+ { \
+ .ptr = (void *)_ptr, \
+ .len = (unsigned int)_len \
+ }
+
+#endif /* __AUTH_COMMON_H__ */
diff --git a/include/drivers/auth/auth_mod.h b/include/drivers/auth/auth_mod.h
new file mode 100644
index 00000000..0f19b5c4
--- /dev/null
+++ b/include/drivers/auth/auth_mod.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __AUTH_MOD_H__
+#define __AUTH_MOD_H__
+
+#if TRUSTED_BOARD_BOOT
+
+#include <auth_common.h>
+#include <cot_def.h>
+#include <img_parser_mod.h>
+
+/*
+ * Image flags
+ */
+#define IMG_FLAG_AUTHENTICATED (1 << 0)
+
+
+/*
+ * Authentication image descriptor
+ */
+typedef struct auth_img_desc_s {
+ unsigned int img_id;
+ const struct auth_img_desc_s *parent;
+ img_type_t img_type;
+ auth_method_desc_t img_auth_methods[AUTH_METHOD_NUM];
+ auth_param_desc_t authenticated_data[COT_MAX_VERIFIED_PARAMS];
+} auth_img_desc_t;
+
+/* Public functions */
+void auth_mod_init(void);
+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 */
+#define REGISTER_COT(_cot) \
+ const auth_img_desc_t *const cot_desc_ptr = \
+ (const auth_img_desc_t *const)&_cot[0]; \
+ unsigned int auth_img_flags[sizeof(_cot)/sizeof(_cot[0])];
+
+#endif /* TRUSTED_BOARD_BOOT */
+
+#endif /* __AUTH_MOD_H__ */
diff --git a/include/drivers/auth/crypto_mod.h b/include/drivers/auth/crypto_mod.h
new file mode 100644
index 00000000..5a556249
--- /dev/null
+++ b/include/drivers/auth/crypto_mod.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CRYPTO_MOD_H__
+#define __CRYPTO_MOD_H__
+
+/* Return values */
+enum crypto_ret_value {
+ CRYPTO_SUCCESS = 0,
+ CRYPTO_ERR_INIT,
+ CRYPTO_ERR_HASH,
+ CRYPTO_ERR_SIGNATURE,
+ CRYPTO_ERR_UNKNOWN
+};
+
+/*
+ * Cryptographic library descriptor
+ */
+typedef struct crypto_lib_desc_s {
+ const char *name;
+
+ /* Initialize library. This function is not expected to fail. All errors
+ * must be handled inside the function, asserting or panicing in case of
+ * a non-recoverable error */
+ void (*init)(void);
+
+ /* Verify a digital signature. Return one of the
+ * 'enum crypto_ret_value' options */
+ int (*verify_signature)(void *data_ptr, unsigned int data_len,
+ void *sig_ptr, unsigned int sig_len,
+ void *sig_alg, unsigned int sig_alg_len,
+ void *pk_ptr, unsigned int pk_len);
+
+ /* Verify a hash. Return one of the 'enum crypto_ret_value' options */
+ int (*verify_hash)(void *data_ptr, unsigned int data_len,
+ void *digest_info_ptr, unsigned int digest_info_len);
+} crypto_lib_desc_t;
+
+/* Public functions */
+void crypto_mod_init(void);
+int crypto_mod_verify_signature(void *data_ptr, unsigned int data_len,
+ void *sig_ptr, unsigned int sig_len,
+ void *sig_alg, unsigned int sig_alg_len,
+ void *pk_ptr, unsigned int pk_len);
+int crypto_mod_verify_hash(void *data_ptr, unsigned int data_len,
+ void *digest_info_ptr, unsigned int digest_info_len);
+
+/* Macro to register a cryptographic library */
+#define REGISTER_CRYPTO_LIB(_name, _init, _verify_signature, _verify_hash) \
+ const crypto_lib_desc_t crypto_lib_desc = { \
+ .name = _name, \
+ .init = _init, \
+ .verify_signature = _verify_signature, \
+ .verify_hash = _verify_hash \
+ }
+
+#endif /* __CRYPTO_MOD_H__ */
diff --git a/include/drivers/auth/img_parser_mod.h b/include/drivers/auth/img_parser_mod.h
new file mode 100644
index 00000000..d80e0fb7
--- /dev/null
+++ b/include/drivers/auth/img_parser_mod.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __IMG_PARSER_MOD_H__
+#define __IMG_PARSER_MOD_H__
+
+#include <auth_common.h>
+
+/*
+ * Return values
+ */
+enum img_parser_ret_value {
+ IMG_PARSER_OK,
+ IMG_PARSER_ERR, /* Parser internal error */
+ IMG_PARSER_ERR_FORMAT, /* Malformed image */
+ IMG_PARSER_ERR_NOT_FOUND /* Authentication data not found */
+};
+
+/*
+ * Image types. A parser should be instantiated and registered for each type
+ */
+typedef enum img_type_enum {
+ IMG_RAW, /* Binary image */
+ IMG_PLAT, /* Platform specific format */
+ IMG_CERT, /* X509v3 certificate */
+ IMG_MAX_TYPES,
+} img_type_t;
+
+/* Image parser library structure */
+typedef struct img_parser_lib_desc_s {
+ img_type_t img_type;
+ const char *name;
+
+ void (*init)(void);
+ int (*check_integrity)(void *img, unsigned int img_len);
+ int (*get_auth_param)(const auth_param_type_desc_t *type_desc,
+ void *img, unsigned int img_len,
+ void **param, unsigned int *param_len);
+} img_parser_lib_desc_t;
+
+/* Exported functions */
+void img_parser_init(void);
+int img_parser_check_integrity(img_type_t img_type,
+ void *img, unsigned int img_len);
+int img_parser_get_auth_param(img_type_t img_type,
+ const auth_param_type_desc_t *type_desc,
+ void *img, unsigned int img_len,
+ void **param_ptr, unsigned int *param_len);
+
+/* Macro to register an image parser library */
+#define REGISTER_IMG_PARSER_LIB(_type, _name, _init, _check_int, _get_param) \
+ static const img_parser_lib_desc_t __img_parser_lib_desc_##_type \
+ __attribute__ ((section(".img_parser_lib_descs"), used)) = { \
+ .img_type = _type, \
+ .name = _name, \
+ .init = _init, \
+ .check_integrity = _check_int, \
+ .get_auth_param = _get_param \
+ }
+
+#endif /* __IMG_PARSER_MOD_H__ */
diff --git a/include/drivers/auth/mbedtls/mbedtls_common.h b/include/drivers/auth/mbedtls/mbedtls_common.h
new file mode 100644
index 00000000..eb22e8ae
--- /dev/null
+++ b/include/drivers/auth/mbedtls/mbedtls_common.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MBEDTLS_COMMON_H__
+#define __MBEDTLS_COMMON_H__
+
+void mbedtls_init(void);
+
+#endif /* __MBEDTLS_COMMON_H__ */
diff --git a/include/drivers/auth/mbedtls/mbedtls_config.h b/include/drivers/auth/mbedtls/mbedtls_config.h
new file mode 100644
index 00000000..8a000f00
--- /dev/null
+++ b/include/drivers/auth/mbedtls/mbedtls_config.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __MBEDTLS_CONFIG_H__
+#define __MBEDTLS_CONFIG_H__
+
+/*
+ * Key algorithms currently supported on mbedTLS libraries
+ */
+#define MBEDTLS_RSA 1
+#define MBEDTLS_ECDSA 2
+
+/*
+ * Configuration file to build PolarSSL with the required features for
+ * Trusted Boot
+ */
+
+#define POLARSSL_PLATFORM_MEMORY
+#define POLARSSL_PLATFORM_NO_STD_FUNCTIONS
+
+#define POLARSSL_PKCS1_V15
+#define POLARSSL_PKCS1_V21
+
+#define POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+#define POLARSSL_X509_CHECK_KEY_USAGE
+#define POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE
+
+#define POLARSSL_ASN1_PARSE_C
+#define POLARSSL_ASN1_WRITE_C
+
+#define POLARSSL_BASE64_C
+#define POLARSSL_BIGNUM_C
+
+#define POLARSSL_ERROR_C
+#define POLARSSL_MD_C
+
+#define POLARSSL_MEMORY_BUFFER_ALLOC_C
+#define POLARSSL_OID_C
+
+#define POLARSSL_PK_C
+#define POLARSSL_PK_PARSE_C
+#define POLARSSL_PK_WRITE_C
+
+#define POLARSSL_PLATFORM_C
+
+#if (MBEDTLS_KEY_ALG_ID == MBEDTLS_ECDSA)
+#define POLARSSL_ECDSA_C
+#define POLARSSL_ECP_C
+#define POLARSSL_ECP_DP_SECP256R1_ENABLED
+#elif (MBEDTLS_KEY_ALG_ID == MBEDTLS_RSA)
+#define POLARSSL_RSA_C
+#endif
+
+#define POLARSSL_SHA256_C
+
+#define POLARSSL_VERSION_C
+
+#define POLARSSL_X509_USE_C
+#define POLARSSL_X509_CRT_PARSE_C
+
+/* MPI / BIGNUM options */
+#define POLARSSL_MPI_WINDOW_SIZE 2
+#define POLARSSL_MPI_MAX_SIZE 256
+
+/* Memory buffer allocator options */
+#define POLARSSL_MEMORY_ALIGN_MULTIPLE 8
+
+#include "polarssl/check_config.h"
+
+/* System headers required to build mbedTLS with the current configuration */
+#include <stdlib.h>
+
+#endif /* __MBEDTLS_CONFIG_H__ */
diff --git a/include/drivers/io/io_storage.h b/include/drivers/io/io_storage.h
index ae1158c0..e98dcd04 100644
--- a/include/drivers/io/io_storage.h
+++ b/include/drivers/io/io_storage.h
@@ -33,6 +33,7 @@
#include <stdint.h>
#include <stdio.h> /* For ssize_t */
+#include <uuid.h>
/* Device type which can be used to enable policy decisions about which device
@@ -67,6 +68,11 @@ typedef struct io_file_spec {
unsigned int mode;
} io_file_spec_t;
+/* UUID specification - used to refer to data accessed using UUIDs (i.e. FIP
+ * images) */
+typedef struct io_uuid_spec {
+ const uuid_t uuid;
+} io_uuid_spec_t;
/* Block specification - used to refer to data on a device supporting
* block-like entities */