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Previously, we would leak these extensions as they are not freed by the
stack. An except from the `sk_TYPE_free` documentation:

    sk_TYPE_free() frees up the sk structure. It does not free up any
    elements of sk. After this call sk is no longer valid.

The fix is to drain the stack and free its elements before freeing the
stack. sk_TYPE_pop_free does this, so we use that instead.

Change-Id: Ie70c302f9dda5af1a7243f163d36e99916ee639c
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>

This patch: fafd3ec9

 assumes that tools must build from
the main makefile folder.
This assumption leads to the error when somebody wants to
build a tool from the tool's folder.
Hence changes are done to provide the default binary name
in the tool's makefile.

Change-Id: Iae570a7f8d322151376b6feb19e739300eecc3fc
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

Currently, the tool's makefile override the tool's binary name
which is already been defined in the main makefile.
Hence fix is provided so that the tool's makefile get the tool's
binary name from the main makefile instead of overriding it.

Change-Id: I8af2bd391a96bba2dbcddef711338a94ebf5f038
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

Add support to generate a certificate named "plat-sp-cert" for Secure
Partitions(SP) owned by Platform.
Earlier a single certificate file "sip-sp-cert" was generated which
contained hash of all 8 SPs, with this change SPs are divided into
two categories viz "SiP owned" and "Plat owned" containing 4 SPs each.

Platform RoT key pair is used for signing.
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I5bd493cfce4cf3fc14b87c8ed1045f633d0c92b6

Updated cert_tool to add hash information of fw_config image into
the existing "trusted boot fw" certificate.
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I720319225925806a2a9f50a1ac9c8a464be975f0

with sha 0792dd7d

, support to generate certificate for Secure
Partitions was added for dualroot CoT only, this patch extends
this support for tbbr CoT.
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I451c0333536dd1cbe17861d454bdb0dc7a17c63f

Add support to generate certificate "sip-sp-cert" for Secure
Partitions(SP) owned by Silicon provider(SiP).
To avoid deviation from TBBR specification the support is only added for
dualroot CoT and not for TBBR CoT.

A single certificate file is generated containing hash of individual
packages. Maximum 8 secure partitions are supported.

Following new options added to cert_tool:
 --sip-sp-cert --> SiP owned Secure Partition Content Certificate
 --sp-pkg1 --> Secure Partition Package1 file
 --sp-pkg2
 .....
 --sp-pkg8

Trusted world key pair is used for signing.

Going forward, this feature can be extended for Platfrom owned
Partitions, if required.
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: Ia6dfbc1447cfb41b1fcbd12cf2bf7b88f409bd8d

Selection of the chain of trust is done through the COT build option:

> make COT=dualroot

Change-Id: Id87c7a5116bdd13bdb29645ecf31d111ad094c1e
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

In preparation of supporting alternate chains of trust, reword comments
and error messages that explicitly mentioned TBBR.

Change-Id: I85a0b08e16d0cd82f3b767fcc092d1f20f45939f
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

It allows to select the desired chain of trust. Right now, only the TBBR
CoT is available.

At this stage, this build option only affects the tool itself. It is not
plugged into the rest of the build system yet. To use it:

 > make -C tools/cert_create COT=tbbr

Change-Id: I4484418f76d3c7b330d8653c978499a181534dcd
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

Move all TBBR-specific stuff out of the tool's makefile into a
sub-makefile. This will make it easier to define and select an alternate
chain of trust in the future.

Change-Id: I92e366a1999b74cf51127d1771b64b807cd94b29
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

The chain of trust definitions are only needed in the part of the code
dealing with the TBBR CoT (tbbr/* files).

Change-Id: I6f9a86bba4a2d16313b6842a3ec85b7c951074bc
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

Support for PKCS#1 v1.5 was deprecated in SHA 1001202d and fully removed
in SHA fe199e3b

, however, cert_tool is still able to generate
certificates in that form. This patch fully removes the ability for
cert_tool to generate these certificates.

Additionally, this patch also fixes a bug where the issuing certificate
was a RSA and the issued certificate was EcDSA. In this case, the issued
certificate would be signed using PKCS#1 v1.5 instead of RSAPSS per
PKCS#1 v2.1, preventing TF-A from verifying the image signatures. Now
that PKCS#1 v1.5 support is removed, all certificates that are signed
with RSA now use the more modern padding scheme.

Change-Id: Id87d7d915be594a1876a73080528d968e65c4e9a
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>

cert_tool is now able to accept a command line option for specifying the
key size. It now supports the following options: 1024, 2048 (default),
3072 and 4096. This is also modifiable by TFA using the build flag
KEY_SIZE.

Change-Id: Ifadecf84ade3763249ee8cc7123a8178f606f0e5
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>

The valgrind checks for cert_create have not been run in a long while -
as such there are a few memory leaks present. This patch fixes a few of
the major ones reported by valgrind. However, a few do remain.

Change-Id: Iab002fb2b0090043287d43fb54a4d18928c2ed85
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>

Change-Id: Iea72ef9ba16325cbce07eea1a975d2a96eede274
Signed-off-by: Paul Beesley <paul.beesley@arm.com>

All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

HOSTCC should be used in any of the tools inside the tools/ directory
instead of CC. That way it is possible to override both values from the
command line when building the Trusted Firmware and the tools at the
same time. Also, use HOSTCCFLAGS instead of CFLAGS.

Also, instead of printing the strings CC and LD in the console during
the compilation of the tools, HOSTCC and HOSTLD have to be used for
clarity. This is how it is done in other projects like U-Boot or Linux.

Change-Id: Icd6f74c31eb74cdd1c353583399ab19e173e293e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Previously build_msg.o is built by CC. It causes FTBFS when CC
is not equal to HOSTCC.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>

Print_help was used in different contexts and returning no
error in that function was hiding the error when incorrect
options were used.

Change-Id: Ic3f71748be7ff8440c9d54810b986e9f177f4439
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>

This patch implements support for adding dynamic configurations for
BL31 (soc_fw_config), BL32 (tos_fw_config) and BL33 (nt_fw_config). The
necessary cert tool support and changes to default chain of trust are made
for these configs.

Change-Id: I25f266277b5b5501a196d2f2f79639d838794518
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

Spurious whitespace existed in the BINARY shell variable which meant
the cert_tool executable was not being removed on 'make realclean'.

Change-Id: Ibfd2fd17889514f6613e33c6df58d53b9232ec14
Signed-off-by: Jonathan Wright <jonathan.wright@arm.com>

Since we use "?=" to set PLATFORM_ROOT, it is better to change the
name to be more special, or else it may be overridden by some
environment variables, such as in some CI build environments.
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>

This patch updates the `fiptool` and `cert_create` for the
`hw_config` and `tb_fw_config` dynamic configuration files.
The necessary UUIDs and OIDs are assigned to these files and
the `cert_create` is updated to generate appropriate hashes
and include them in the "Trusted Boot FW Certificate". The
`fiptool` is updated to allow the configs to be specified
via cmdline and included in the generated FIP.

Change-Id: I940e751a49621ae681d14e162aa1f5697eb0cb15
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This option enables the user to select the secure hash algorithm
to be used for generating the hash. It supports the following
options:
    - sha256 (default)
    - sha384
    - sha512

Change-Id: Icb093cec1b5715e248c3d1c3749a2479a7ab4b89
Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>

Commit a8eb286a

 introduced the
following error when creating ECDSA certificates.
    ERROR:   Error creating key 'Trusted World key'
    Makefile:634: recipe for target 'certificates' failed
    make: *** [certificates] Error 1

this patch adds the function to create PKCS#1 v1.5.

Change-Id: Ief96d55969d5e9877aeb528c6bb503b560563537
Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>

This patch fixes incompatibility issues that prevent building the cert_tool
with OpenSSL >= v1.1.0. The changes introduced are still backwards
compatible with OpenSSL v1.0.2.

Fixes arm-software/trusted-fw#521
Signed-off-by: Michalis Pappas <mpappas@fastmail.fm>

Using the OIDs defined in tbbr_oids.h is the recommended way to build
the cert_create tool. This patch hence sets default value of the build
flag USE_TBBR_DEFS to 1 in the Makefile in `tools/cert_create` folder
when cert_create is built from this folder.

Fixes ARM-software/tf-issues#482

Change-Id: Id1d224826b3417770bccbefa1b68d9bdb3b567f0
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch enables choice of RSA version at run time to be used for
generating signatures by the cert_tool. The RSA PSS as defined in
PKCS#1 v2.1 becomes the default version and this patch enables to specify
the RSA PKCS#1 v1.5 algorithm to `cert_create` through the command line
-a option. Also, the build option `KEY_ALG` can be used to pass this
option from the build system. Please note that RSA PSS is mandated
by Trusted Board Boot requirements (TBBR) and legacy RSA support is
being added for compatibility reasons.

Fixes ARM-Software/tf-issues#499
Change-Id: Ifaa3f2f7c9b43f3d7b3effe2cde76bf6745a5d73
Co-Authored-By: Eleanor Bonnici <Eleanor.bonnici@arm.com>
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

Since Trusted OS firmware may have extra images, need to
assign new uuid and image id for them.
The TBBR chain of trust has been extended to add support
for the new images within the existing Trusted OS firmware
content certificate.

Change-Id: I678dac7ba1137e85c5779b05e0c4331134c10e06
Signed-off-by: Summer Qin <summer.qin@arm.com>

This fix modifies the order of system includes to meet the ARM TF coding
standard. There are some exceptions in order to retain header groupings,
minimise changes to imported headers, and where there are headers within
the #if and #ifndef statements.

Change-Id: I65085a142ba6a83792b26efb47df1329153f1624
Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>

When V is set from the command line, the value is passed to the tools'
Makefiles as well.

Change-Id: I91a1f66de5c1ae6f36b6c9f0a9bd550d4a30f092
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

This patch modifies the `cert_create` tool to use RSASSA-PSS scheme for
signing the certificates. This is compliant with RSA PKCS_2_1 standard as
mandated by TBBR.

Note that the certificates generated by using cert_create tool after this
patch can be authenticated during TBB only if the corresponding mbedtls
driver in ARM Trusted Firmware has the corresponding support.

Change-Id: If224f41c76b3c4765ae2af5259e67f73602818a4
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

Tools are built using the compiler specified in `HOSTCC` instead of
reusing the `CC` variable.  By default, gcc is used.

Change-Id: I83636a375c61f4804b4e80784db9d061fe20af87
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

Platforms aligned with TBBR are supposed to use their own OIDs, but
defining the same macros with different OIDs does not provide any
value (at least technically).

For easier use of TBBR, this commit allows platforms to reuse the OIDs
obtained by ARM Ltd.  This will be useful for non-ARM vendors that
do not need their own extension fields in their certificate files.

The OIDs of ARM Ltd. have been moved to include/tools_share/tbbr_oid.h

Platforms can include <tbbr_oid.h> instead of <platform_oid.h> by
defining USE_TBBR_DEFS as 1.  USE_TBBR_DEFS is 0 by default to keep the
backward compatibility.

For clarification, I inserted a blank line between headers from the
include/ directory (#include <...>) and ones from a local directory
(#include "..." ).
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

To make software license auditing simpler, use SPDX[0] license
identifiers instead of duplicating the license text in every file.

NOTE: Files that have been imported by FreeBSD have not been modified.

[0]: https://spdx.org/



Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

cppcheck highlighted variables that were initialized but then later
reassigned.

Change-Id: Ie12742c01fd3bf48b2d6c05a3b448da91d57a2e4
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

These variables store return values of functions.  Remove all of
meaningless initializers.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

The ext_new_nvcounter() function calls i2d_ASN1_INTEGER() twice;
the first call to get the return value "sz", and the second one
for writing data into the buffer.  This is actually redundant.
We can do both by one function call.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

In the current code, both key_load() and key_create() call key_new()
to allocate a key container (and they do not free it even if they
fail).  If a specific key is not given by the command option,
key_load() fails, then key_create() is called.  At this point, the
key container that has been allocated in key_load() is still alive,
and it is overwritten by a new key container created by key_create().

Move the key_new() call to the main() function to make sure it is
called just once for each descriptor.

While we are here, let's fix one more bug; the error handling code
  ERROR("Malloc error while loading '%s'\n", keys[i].fn);
is wrong because keys[i].fn is NULL pointer unless a specific key is
given by the command option.  This code could be run in either case.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>