Commit 84f95bed authored by danh-arm's avatar danh-arm
Browse files

Merge pull request #315 from jcastillo-arm/jc/tbb_tmp9

Authentication Framework
parents dba12894 d337aaaf
/*
* 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.
*/
#include <auth_mod.h>
#include <platform_def.h>
#include <platform_oid.h>
#include <stddef.h>
/*
* Maximum key and hash sizes (in DER format)
*/
#define PK_DER_LEN 294
#define HASH_DER_LEN 51
/*
* The platform must allocate buffers to store the authentication parameters
* extracted from the certificates. In this case, because of the way the CoT is
* established, we can reuse some of the buffers on different stages
*/
static unsigned char plat_bl2_hash_buf[HASH_DER_LEN];
static unsigned char plat_bl30_hash_buf[HASH_DER_LEN];
static unsigned char plat_bl31_hash_buf[HASH_DER_LEN];
static unsigned char plat_bl32_hash_buf[HASH_DER_LEN];
static unsigned char plat_bl33_hash_buf[HASH_DER_LEN];
static unsigned char plat_tz_world_pk_buf[PK_DER_LEN];
static unsigned char plat_ntz_world_pk_buf[PK_DER_LEN];
static unsigned char plat_content_pk[PK_DER_LEN];
/*
* Parameter type descriptors
*/
static auth_param_type_desc_t subject_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, 0);
static auth_param_type_desc_t sig = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_SIG, 0);
static auth_param_type_desc_t sig_alg = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_SIG_ALG, 0);
static auth_param_type_desc_t raw_data = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_RAW_DATA, 0);
static auth_param_type_desc_t tz_world_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, TZ_WORLD_PK_OID);
static auth_param_type_desc_t ntz_world_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, NTZ_WORLD_PK_OID);
static auth_param_type_desc_t bl30_content_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, BL30_CONTENT_CERT_PK_OID);
static auth_param_type_desc_t bl31_content_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, BL31_CONTENT_CERT_PK_OID);
static auth_param_type_desc_t bl32_content_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, BL32_CONTENT_CERT_PK_OID);
static auth_param_type_desc_t bl33_content_pk = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_PUB_KEY, BL33_CONTENT_CERT_PK_OID);
static auth_param_type_desc_t bl2_hash = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_HASH, BL2_HASH_OID);
static auth_param_type_desc_t bl30_hash = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_HASH, BL30_HASH_OID);
static auth_param_type_desc_t bl31_hash = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_HASH, BL31_HASH_OID);
static auth_param_type_desc_t bl32_hash = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_HASH, BL32_HASH_OID);
static auth_param_type_desc_t bl33_hash = AUTH_PARAM_TYPE_DESC(
AUTH_PARAM_HASH, BL33_HASH_OID);
/*
* TBBR Chain of trust definition
*/
static const auth_img_desc_t cot_desc[] = {
/*
* BL2
*/
[BL2_CERT_ID] = {
.img_id = BL2_CERT_ID,
.img_type = IMG_CERT,
.parent = NULL,
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &subject_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl2_hash,
.data = {
.ptr = (void *)plat_bl2_hash_buf,
.len = (unsigned int)HASH_DER_LEN
}
}
}
},
[BL2_IMAGE_ID] = {
.img_id = BL2_IMAGE_ID,
.img_type = IMG_RAW,
.parent = &cot_desc[BL2_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_HASH,
.param.hash = {
.data = &raw_data,
.hash = &bl2_hash,
}
}
}
},
/*
* Trusted key certificate
*/
[TRUSTED_KEY_CERT_ID] = {
.img_id = TRUSTED_KEY_CERT_ID,
.img_type = IMG_CERT,
.parent = NULL,
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &subject_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &tz_world_pk,
.data = {
.ptr = (void *)plat_tz_world_pk_buf,
.len = (unsigned int)PK_DER_LEN
}
},
[1] = {
.type_desc = &ntz_world_pk,
.data = {
.ptr = (void *)plat_ntz_world_pk_buf,
.len = (unsigned int)PK_DER_LEN
}
}
}
},
/*
* BL3-0
*/
[BL30_KEY_CERT_ID] = {
.img_id = BL30_KEY_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[TRUSTED_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &tz_world_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl30_content_pk,
.data = {
.ptr = (void *)plat_content_pk,
.len = (unsigned int)PK_DER_LEN
}
}
}
},
[BL30_CERT_ID] = {
.img_id = BL30_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[BL30_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &bl30_content_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl30_hash,
.data = {
.ptr = (void *)plat_bl30_hash_buf,
.len = (unsigned int)HASH_DER_LEN
}
}
}
},
[BL30_IMAGE_ID] = {
.img_id = BL30_IMAGE_ID,
.img_type = IMG_RAW,
.parent = &cot_desc[BL30_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_HASH,
.param.hash = {
.data = &raw_data,
.hash = &bl30_hash,
}
}
}
},
/*
* BL3-1
*/
[BL31_KEY_CERT_ID] = {
.img_id = BL31_KEY_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[TRUSTED_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &tz_world_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl31_content_pk,
.data = {
.ptr = (void *)plat_content_pk,
.len = (unsigned int)PK_DER_LEN
}
}
}
},
[BL31_CERT_ID] = {
.img_id = BL31_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[BL31_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &bl31_content_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl31_hash,
.data = {
.ptr = (void *)plat_bl31_hash_buf,
.len = (unsigned int)HASH_DER_LEN
}
}
}
},
[BL31_IMAGE_ID] = {
.img_id = BL31_IMAGE_ID,
.img_type = IMG_RAW,
.parent = &cot_desc[BL31_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_HASH,
.param.hash = {
.data = &raw_data,
.hash = &bl31_hash,
}
}
}
},
/*
* BL3-2
*/
[BL32_KEY_CERT_ID] = {
.img_id = BL32_KEY_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[TRUSTED_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &tz_world_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl32_content_pk,
.data = {
.ptr = (void *)plat_content_pk,
.len = (unsigned int)PK_DER_LEN
}
}
}
},
[BL32_CERT_ID] = {
.img_id = BL32_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[BL32_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &bl32_content_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl32_hash,
.data = {
.ptr = (void *)plat_bl32_hash_buf,
.len = (unsigned int)HASH_DER_LEN
}
}
}
},
[BL32_IMAGE_ID] = {
.img_id = BL32_IMAGE_ID,
.img_type = IMG_RAW,
.parent = &cot_desc[BL32_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_HASH,
.param.hash = {
.data = &raw_data,
.hash = &bl32_hash,
}
}
}
},
/*
* BL3-3
*/
[BL33_KEY_CERT_ID] = {
.img_id = BL33_KEY_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[TRUSTED_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &ntz_world_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl33_content_pk,
.data = {
.ptr = (void *)plat_content_pk,
.len = (unsigned int)PK_DER_LEN
}
}
}
},
[BL33_CERT_ID] = {
.img_id = BL33_CERT_ID,
.img_type = IMG_CERT,
.parent = &cot_desc[BL33_KEY_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_SIG,
.param.sig = {
.pk = &bl33_content_pk,
.sig = &sig,
.alg = &sig_alg,
.data = &raw_data,
}
}
},
.authenticated_data = {
[0] = {
.type_desc = &bl33_hash,
.data = {
.ptr = (void *)plat_bl33_hash_buf,
.len = (unsigned int)HASH_DER_LEN
}
}
}
},
[BL33_IMAGE_ID] = {
.img_id = BL33_IMAGE_ID,
.img_type = IMG_RAW,
.parent = &cot_desc[BL33_CERT_ID],
.img_auth_methods = {
[0] = {
.type = AUTH_METHOD_HASH,
.param.hash = {
.data = &raw_data,
.hash = &bl33_hash,
}
}
}
}
};
/* Register the CoT in the authentication module */
REGISTER_COT(cot_desc);
......@@ -50,11 +50,6 @@
x.node[0], x.node[1], x.node[2], x.node[3], \
x.node[4], x.node[5]
typedef struct {
const char *name;
const uuid_t uuid;
} plat_fip_name_uuid_t;
typedef struct {
/* Put file_pos above the struct to allow {0} on static init.
* It is a workaround for a known bug in GCC
......@@ -64,37 +59,6 @@ typedef struct {
fip_toc_entry_t entry;
} file_state_t;
static const plat_fip_name_uuid_t name_uuid[] = {
{BL2_IMAGE_NAME, UUID_TRUSTED_BOOT_FIRMWARE_BL2},
#ifdef BL30_IMAGE_NAME
/* BL3-0 is optional in the platform */
{BL30_IMAGE_NAME, UUID_SCP_FIRMWARE_BL30},
#endif /* BL30_IMAGE_NAME */
{BL31_IMAGE_NAME, UUID_EL3_RUNTIME_FIRMWARE_BL31},
#ifdef BL32_IMAGE_NAME
/* BL3-2 is optional in the platform */
{BL32_IMAGE_NAME, UUID_SECURE_PAYLOAD_BL32},
#endif /* BL32_IMAGE_NAME */
{BL33_IMAGE_NAME, UUID_NON_TRUSTED_FIRMWARE_BL33},
#if TRUSTED_BOARD_BOOT
/* Certificates */
{BL2_CERT_NAME, UUID_TRUSTED_BOOT_FIRMWARE_BL2_CERT},
{TRUSTED_KEY_CERT_NAME, UUID_TRUSTED_KEY_CERT},
#ifdef BL30_KEY_CERT_NAME
{BL30_KEY_CERT_NAME, UUID_SCP_FIRMWARE_BL30_KEY_CERT},
#endif
{BL31_KEY_CERT_NAME, UUID_EL3_RUNTIME_FIRMWARE_BL31_KEY_CERT},
{BL32_KEY_CERT_NAME, UUID_SECURE_PAYLOAD_BL32_KEY_CERT},
{BL33_KEY_CERT_NAME, UUID_NON_TRUSTED_FIRMWARE_BL33_KEY_CERT},
#ifdef BL30_CERT_NAME
{BL30_CERT_NAME, UUID_SCP_FIRMWARE_BL30_CERT},
#endif
{BL31_CERT_NAME, UUID_EL3_RUNTIME_FIRMWARE_BL31_CERT},
{BL32_CERT_NAME, UUID_SECURE_PAYLOAD_BL32_CERT},
{BL33_CERT_NAME, UUID_NON_TRUSTED_FIRMWARE_BL33_CERT},
#endif /* TRUSTED_BOARD_BOOT */
};
static const uuid_t uuid_null = {0};
static file_state_t current_file = {0};
static uintptr_t backend_dev_handle;
......@@ -113,13 +77,6 @@ static int fip_dev_init(io_dev_info_t *dev_info, const uintptr_t init_params);
static int fip_dev_close(io_dev_info_t *dev_info);
static inline int copy_uuid(uuid_t *dst, const uuid_t *src)
{
memcpy(dst, src, sizeof(uuid_t));
return 0;
}
/* Return 0 for equal uuids. */
static inline int compare_uuids(const uuid_t *uuid1, const uuid_t *uuid2)
{
......@@ -138,22 +95,6 @@ static inline int is_valid_header(fip_toc_header_t *header)
}
static int file_to_uuid(const char *filename, uuid_t *uuid)
{
int i;
int status = -EINVAL;
for (i = 0; i < ARRAY_SIZE(name_uuid); i++) {
if (strcmp(filename, name_uuid[i].name) == 0) {
copy_uuid(uuid, &name_uuid[i].uuid);
status = 0;
break;
}
}
return status;
}
/* Identify the device type as a virtual driver */
io_type_t device_type_fip(void)
{
......@@ -201,17 +142,17 @@ static int fip_dev_open(const uintptr_t dev_spec __attribute__((unused)),
static int fip_dev_init(io_dev_info_t *dev_info, const uintptr_t init_params)
{
int result = IO_FAIL;
char *image_name = (char *)init_params;
unsigned int image_id = (unsigned int)init_params;
uintptr_t backend_handle;
fip_toc_header_t header;
size_t bytes_read;
/* Obtain a reference to the image by querying the platform layer */
result = plat_get_image_source(image_name, &backend_dev_handle,
result = plat_get_image_source(image_id, &backend_dev_handle,
&backend_image_spec);
if (result != IO_SUCCESS) {
WARN("Failed to obtain reference to image '%s' (%i)\n",
image_name, result);
WARN("Failed to obtain reference to image id=%u (%i)\n",
image_id, result);
result = IO_FAIL;
goto fip_dev_init_exit;
}
......@@ -220,7 +161,7 @@ static int fip_dev_init(io_dev_info_t *dev_info, const uintptr_t init_params)
result = io_open(backend_dev_handle, backend_image_spec,
&backend_handle);
if (result != IO_SUCCESS) {
WARN("Failed to access image '%s' (%i)\n", image_name, result);
WARN("Failed to access image id=%u (%i)\n", image_id, result);
result = IO_FAIL;
goto fip_dev_init_exit;
}
......@@ -261,12 +202,11 @@ static int fip_file_open(io_dev_info_t *dev_info, const uintptr_t spec,
{
int result = IO_FAIL;
uintptr_t backend_handle;
uuid_t file_uuid;
const io_file_spec_t *file_spec = (io_file_spec_t *)spec;
const io_uuid_spec_t *uuid_spec = (io_uuid_spec_t *)spec;
size_t bytes_read;
int found_file = 0;
assert(file_spec != NULL);
assert(uuid_spec != NULL);
assert(entity != NULL);
/* Can only have one file open at a time for the moment. We need to
......@@ -297,8 +237,6 @@ static int fip_file_open(io_dev_info_t *dev_info, const uintptr_t spec,
goto fip_file_open_close;
}
file_to_uuid(file_spec->path, &file_uuid);
found_file = 0;
do {
result = io_read(backend_handle,
......@@ -307,7 +245,7 @@ static int fip_file_open(io_dev_info_t *dev_info, const uintptr_t spec,
&bytes_read);
if (result == IO_SUCCESS) {
if (compare_uuids(&current_file.entry.uuid,
&file_uuid) == 0) {
&uuid_spec->uuid) == 0) {
found_file = 1;
break;
}
......
......@@ -226,12 +226,17 @@ CASSERT(sizeof(unsigned long) ==
******************************************************************************/
unsigned long page_align(unsigned long, unsigned);
void change_security_state(unsigned int);
unsigned long image_size(const char *);
unsigned long image_size(unsigned int image_id);
int load_image(meminfo_t *mem_layout,
const char *image_name,
uint64_t image_base,
unsigned int image_id,
uintptr_t image_base,
image_info_t *image_data,
entry_point_info_t *entry_point_info);
int load_auth_image(meminfo_t *mem_layout,
unsigned int image_name,
uintptr_t image_base,
image_info_t *image_data,
entry_point_info_t *entry_point_info);
extern const char build_message[];
extern const char version_string[];
......
/*
* 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 __COT_DEF_H__
#define __COT_DEF_H__
/* TBBR CoT definitions */
#define COT_MAX_VERIFIED_PARAMS 4
#endif /* __COT_DEF_H__ */
/*
* 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 __TBBR_IMG_DEF_H__
#define __TBBR_IMG_DEF_H__
/* Firmware Image Package */
#define FIP_IMAGE_ID 0
/* Trusted Boot Firmware BL2 */
#define BL2_IMAGE_ID 1
/* SCP Firmware BL3-0 */
#define BL30_IMAGE_ID 2
/* EL3 Runtime Firmware BL31 */
#define BL31_IMAGE_ID 3
/* Secure Payload BL32 (Trusted OS) */
#define BL32_IMAGE_ID 4
/* Non-Trusted Firmware BL33 */
#define BL33_IMAGE_ID 5
/* Certificates */
#define BL2_CERT_ID 6
#define TRUSTED_KEY_CERT_ID 7
#define BL30_KEY_CERT_ID 8
#define BL31_KEY_CERT_ID 9
#define BL32_KEY_CERT_ID 10
#define BL33_KEY_CERT_ID 11
#define BL30_CERT_ID 12
#define BL31_CERT_ID 13
#define BL32_CERT_ID 14
#define BL33_CERT_ID 15
#endif /* __TBBR_IMG_DEF_H__ */
/*
* 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__ */
......@@ -28,61 +28,45 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AUTH_H_
#define AUTH_H_
#ifndef __AUTH_MOD_H__
#define __AUTH_MOD_H__
#include <stddef.h>
#include <stdint.h>
#if TRUSTED_BOARD_BOOT
#include <auth_common.h>
#include <cot_def.h>
#include <img_parser_mod.h>
/*
* Authentication infrastructure for Trusted Boot
*
* This infrastructure provides an API to access the authentication module. This
* module will implement the required operations for Trusted Boot by creating an
* instance of the structure 'auth_mod_t'. This instance must be called
* 'auth_mod' and must provide the functions to initialize the module and
* verify the authenticity of the images.
* Image flags
*/
#define IMG_FLAG_AUTHENTICATED (1 << 0)
/* Objects (images and certificates) involved in the TBB process */
enum {
AUTH_BL2_IMG_CERT,
AUTH_BL2_IMG,
AUTH_TRUSTED_KEY_CERT,
AUTH_BL30_KEY_CERT,
AUTH_BL30_IMG_CERT,
AUTH_BL30_IMG,
AUTH_BL31_KEY_CERT,
AUTH_BL31_IMG_CERT,
AUTH_BL31_IMG,
AUTH_BL32_KEY_CERT,
AUTH_BL32_IMG_CERT,
AUTH_BL32_IMG,
AUTH_BL33_KEY_CERT,
AUTH_BL33_IMG_CERT,
AUTH_BL33_IMG,
AUTH_NUM_OBJ
};
/* Authentication module structure */
typedef struct auth_mod_s {
/* [mandatory] Module name. Printed to the log during initialization */
const char *name;
/* [mandatory] Initialize the authentication module */
int (*init)(void);
/*
* 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;
/* [mandatory] This function will be called to authenticate a new
* object loaded into memory. The obj_id corresponds to one of the
* values in the enumeration above */
int (*verify)(unsigned int obj_id, uintptr_t obj_buf, size_t len);
} auth_mod_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);
/* This variable must be instantiated by the authentication module */
extern const auth_mod_t auth_mod;
/* 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])];
/* Public functions */
void auth_init(void);
int auth_verify_obj(unsigned int obj_id, uintptr_t obj_buf, size_t len);
#endif /* TRUSTED_BOARD_BOOT */
#endif /* AUTH_H_ */
#endif /* __AUTH_MOD_H__ */
/*
* 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__ */
/*
* 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__ */
/*
* 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__ */
......@@ -27,9 +27,14 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __POLARSSL_CONFIG_H__
#define __POLARSSL_CONFIG_H__
#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
......@@ -64,7 +69,14 @@
#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
......@@ -81,4 +93,7 @@
#include "polarssl/check_config.h"
#endif /* __POLARSSL_CONFIG_H__ */
/* System headers required to build mbedTLS with the current configuration */
#include <stdlib.h>
#endif /* __MBEDTLS_CONFIG_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 */
......
......@@ -64,29 +64,41 @@
* plat_arm_mmap array defined for each BL stage.
*/
#if IMAGE_BL1
# define PLAT_ARM_MMAP_ENTRIES 6
# if PLAT_fvp
# define PLAT_ARM_MMAP_ENTRIES 7
# else
# define PLAT_ARM_MMAP_ENTRIES 6
# endif
#endif
#if IMAGE_BL2
# define PLAT_ARM_MMAP_ENTRIES 8
# if PLAT_fvp
# define PLAT_ARM_MMAP_ENTRIES 9
# else
# define PLAT_ARM_MMAP_ENTRIES 8
# endif
#endif
#if IMAGE_BL31
# define PLAT_ARM_MMAP_ENTRIES 5
#define PLAT_ARM_MMAP_ENTRIES 5
#endif
#if IMAGE_BL32
# define PLAT_ARM_MMAP_ENTRIES 4
#define PLAT_ARM_MMAP_ENTRIES 4
#endif
/*
* Platform specific page table and MMU setup constants
*/
#if IMAGE_BL1
# if PLAT_fvp || PLAT_juno
# if PLAT_juno
# define MAX_XLAT_TABLES 2
# else
# define MAX_XLAT_TABLES 3
# endif /* PLAT_ */
#elif IMAGE_BL2
# define MAX_XLAT_TABLES 3
# if PLAT_juno
# define MAX_XLAT_TABLES 3
# else
# define MAX_XLAT_TABLES 4
# endif /* PLAT_ */
#elif IMAGE_BL31
# define MAX_XLAT_TABLES 2
#elif IMAGE_BL32
......
......@@ -32,6 +32,7 @@
#include <common_def.h>
#include <platform_def.h>
#include <tbbr_img_def.h>
#include <xlat_tables.h>
......@@ -200,7 +201,7 @@
#if TRUSTED_BOARD_BOOT
#define BL1_RW_BASE (ARM_BL_RAM_BASE + \
ARM_BL_RAM_SIZE - \
0x8000)
0x9000)
#else
#define BL1_RW_BASE (ARM_BL_RAM_BASE + \
ARM_BL_RAM_SIZE - \
......@@ -216,7 +217,7 @@
* size plus a little space for growth.
*/
#if TRUSTED_BOARD_BOOT
#define BL2_BASE (BL31_BASE - 0x1C000)
#define BL2_BASE (BL31_BASE - 0x1D000)
#else
#define BL2_BASE (BL31_BASE - 0xC000)
#endif
......
......@@ -196,8 +196,9 @@ void plat_arm_pwrc_setup(void);
*/
void plat_arm_io_setup(void);
int plat_arm_get_alt_image_source(
const uintptr_t image_spec,
uintptr_t *dev_handle);
unsigned int image_id,
uintptr_t *dev_handle,
uintptr_t *image_spec);
void plat_arm_topology_setup(void);
......
......@@ -65,6 +65,14 @@
*/
#define SOC_CSS_NIC400_APB4_BRIDGE 4
/* Keys */
#define SOC_KEYS_BASE 0x7fe80000
#define TZ_PUB_KEY_HASH_BASE (SOC_KEYS_BASE + 0x0000)
#define TZ_PUB_KEY_HASH_SIZE 32
#define HU_KEY_BASE (SOC_KEYS_BASE + 0x0020)
#define HU_KEY_SIZE 16
#define END_KEY_BASE (SOC_KEYS_BASE + 0x0044)
#define END_KEY_SIZE 32
#define SOC_CSS_MAP_DEVICE MAP_REGION_FLAT( \
SOC_CSS_DEVICE_BASE, \
......
......@@ -47,40 +47,6 @@
*/
#define FIRMWARE_WELCOME_STR "Booting Trusted Firmware\n"
/* Trusted Boot Firmware BL2 */
#define BL2_IMAGE_NAME "bl2.bin"
/* SCP Firmware BL3-0 */
#define BL30_IMAGE_NAME "bl30.bin"
/* EL3 Runtime Firmware BL31 */
#define BL31_IMAGE_NAME "bl31.bin"
/* Secure Payload BL32 (Trusted OS) */
#define BL32_IMAGE_NAME "bl32.bin"
/* Non-Trusted Firmware BL33 */
#define BL33_IMAGE_NAME "bl33.bin"
/* Firmware Image Package */
#define FIP_IMAGE_NAME "fip.bin"
#if TRUSTED_BOARD_BOOT
/* Certificates */
# define BL2_CERT_NAME "bl2.crt"
# define TRUSTED_KEY_CERT_NAME "trusted_key.crt"
# define BL30_KEY_CERT_NAME "bl30_key.crt"
# define BL31_KEY_CERT_NAME "bl31_key.crt"
# define BL32_KEY_CERT_NAME "bl32_key.crt"
# define BL33_KEY_CERT_NAME "bl33_key.crt"
# define BL30_CERT_NAME "bl30.crt"
# define BL31_CERT_NAME "bl31.crt"
# define BL32_CERT_NAME "bl32.crt"
# define BL33_CERT_NAME "bl33.crt"
#endif /* TRUSTED_BOARD_BOOT */
/*
* Some of the platform porting definitions use the 'ull' suffix in order to
* avoid subtle integer overflow errors due to implicit integer type promotion
......
......@@ -43,6 +43,11 @@ struct image_info;
struct entry_point_info;
struct bl31_params;
/*******************************************************************************
* plat_get_rotpk_info() flags
******************************************************************************/
#define ROTPK_IS_HASH (1 << 0)
/*******************************************************************************
* Function declarations
******************************************************************************/
......@@ -50,7 +55,7 @@ struct bl31_params;
* Mandatory common functions
******************************************************************************/
uint64_t plat_get_syscnt_freq(void);
int plat_get_image_source(const char *image_name,
int plat_get_image_source(unsigned int image_id,
uintptr_t *dev_handle,
uintptr_t *image_spec);
unsigned long plat_get_ns_image_entrypoint(void);
......@@ -191,8 +196,9 @@ void bl31_plat_enable_mmu(uint32_t flags);
void bl32_plat_enable_mmu(uint32_t flags);
/*******************************************************************************
* Trusted Boot functions
* Trusted Board Boot functions
******************************************************************************/
int plat_match_rotpk(const unsigned char *, unsigned int);
int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
unsigned int *flags);
#endif /* __PLATFORM_H__ */
......@@ -28,15 +28,123 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arm_def.h>
#include <assert.h>
#include <platform.h>
#include <stdint.h>
#include <string.h>
/* Weak definition may be overridden in specific platform */
#pragma weak plat_match_rotpk
/* SHA256 algorithm */
#define SHA256_BYTES 32
/* ROTPK locations */
#define ARM_ROTPK_REGS_ID 1
#define ARM_ROTPK_DEVEL_RSA_ID 2
#if !ARM_ROTPK_LOCATION_ID
#error "ARM_ROTPK_LOCATION_ID not defined"
#endif
static const unsigned char rotpk_hash_hdr[] = \
"\x30\x31\x30\x0D\x06\x09\x60\x86\x48" \
"\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20";
static const unsigned int rotpk_hash_hdr_len = sizeof(rotpk_hash_hdr) - 1;
static unsigned char rotpk_hash_der[sizeof(rotpk_hash_hdr) - 1 + SHA256_BYTES];
#if (ARM_ROTPK_LOCATION_ID == ARM_ROTPK_DEVEL_RSA_ID)
static const unsigned char arm_devel_rotpk_hash[] = \
"\xB0\xF3\x82\x09\x12\x97\xD8\x3A" \
"\x37\x7A\x72\x47\x1B\xEC\x32\x73" \
"\xE9\x92\x32\xE2\x49\x59\xF6\x5E" \
"\x8B\x4A\x4A\x46\xD8\x22\x9A\xDA";
#endif
/*
* Check the validity of the key
* Return the ROTPK hash in the following ASN.1 structure in DER format:
*
* AlgorithmIdentifier ::= SEQUENCE {
* algorithm OBJECT IDENTIFIER,
* parameters ANY DEFINED BY algorithm OPTIONAL
* }
*
* 0 = success, Otherwise = error
* DigestInfo ::= SEQUENCE {
* digestAlgorithm AlgorithmIdentifier,
* digest OCTET STRING
* }
*/
int plat_match_rotpk(const unsigned char *key_buf, unsigned int key_len)
int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
unsigned int *flags)
{
/* TODO: check against the ROT key stored in the platform */
uint8_t *dst;
assert(key_ptr != NULL);
assert(key_len != NULL);
assert(flags != NULL);
/* Copy the DER header */
memcpy(rotpk_hash_der, rotpk_hash_hdr, rotpk_hash_hdr_len);
dst = (uint8_t *)&rotpk_hash_der[rotpk_hash_hdr_len];
#if (ARM_ROTPK_LOCATION_ID == ARM_ROTPK_DEVEL_RSA_ID)
memcpy(dst, arm_devel_rotpk_hash, SHA256_BYTES);
#elif (ARM_ROTPK_LOCATION_ID == ARM_ROTPK_REGS_ID)
uint32_t *src, tmp;
unsigned int words, i;
/*
* Append the hash from Trusted Root-Key Storage registers. The hash has
* not been written linearly into the registers, so we have to do a bit
* of byte swapping:
*
* 0x00 0x04 0x08 0x0C 0x10 0x14 0x18 0x1C
* +---------------------------------------------------------------+
* | Reg0 | Reg1 | Reg2 | Reg3 | Reg4 | Reg5 | Reg6 | Reg7 |
* +---------------------------------------------------------------+
* | ... ... | | ... ... |
* | +--------------------+ | +-------+
* | | | |
* +----------------------------+ +----------------------------+
* | | | |
* +-------+ | +--------------------+ |
* | | | |
* v v v v
* +---------------------------------------------------------------+
* | | |
* +---------------------------------------------------------------+
* 0 15 16 31
*
* Additionally, we have to access the registers in 32-bit words
*/
words = SHA256_BYTES >> 3;
/* Swap bytes 0-15 (first four registers) */
src = (uint32_t *)TZ_PUB_KEY_HASH_BASE;
for (i = 0 ; i < words ; i++) {
tmp = src[words - 1 - i];
/* Words are read in little endian */
*dst++ = (uint8_t)((tmp >> 24) & 0xFF);
*dst++ = (uint8_t)((tmp >> 16) & 0xFF);
*dst++ = (uint8_t)((tmp >> 8) & 0xFF);
*dst++ = (uint8_t)(tmp & 0xFF);
}
/* Swap bytes 16-31 (last four registers) */
src = (uint32_t *)(TZ_PUB_KEY_HASH_BASE + SHA256_BYTES / 2);
for (i = 0 ; i < words ; i++) {
tmp = src[words - 1 - i];
*dst++ = (uint8_t)((tmp >> 24) & 0xFF);
*dst++ = (uint8_t)((tmp >> 16) & 0xFF);
*dst++ = (uint8_t)((tmp >> 8) & 0xFF);
*dst++ = (uint8_t)(tmp & 0xFF);
}
#endif /* (ARM_ROTPK_LOCATION_ID == ARM_ROTPK_DEVEL_RSA_ID) */
*key_ptr = (void *)rotpk_hash_der;
*key_len = (unsigned int)sizeof(rotpk_hash_der);
*flags = ROTPK_IS_HASH;
return 0;
}
#
# 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.
#
PLAT_INCLUDES += -Iinclude/plat/arm/board/common/
PLAT_BL_COMMON_SOURCES += drivers/arm/pl011/pl011_console.S \
plat/arm/board/common/aarch64/board_arm_helpers.S
#BL1_SOURCES +=
#BL2_SOURCES +=
#BL31_SOURCES +=
ifneq (${TRUSTED_BOARD_BOOT},0)
# ROTPK hash location
ifeq (${ARM_ROTPK_LOCATION}, regs)
ARM_ROTPK_LOCATION_ID = ARM_ROTPK_REGS_ID
else ifeq (${ARM_ROTPK_LOCATION}, devel_rsa)
ARM_ROTPK_LOCATION_ID = ARM_ROTPK_DEVEL_RSA_ID
else
$(error "Unsupported ARM_ROTPK_LOCATION value")
endif
$(eval $(call add_define,ARM_ROTPK_LOCATION_ID))
BL1_SOURCES += plat/arm/board/common/board_arm_trusted_boot.c
BL2_SOURCES += plat/arm/board/common/board_arm_trusted_boot.c
endif
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