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Author SHA1 Message Date
Gilles Peskine ae2668be97 Don't use mbedtls_pk_ec in our own code 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-02-01 20:53:04 +01:00
Ronald Cron 78a38f607c tls13: srv: Do not use early_data_status 
Due to the scope reduction for
mbedtls_ssl_read_early_data(), on
server as early data state variable
we now only need a flag in the
handshake context indicating if
the server has accepted early data
or not.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 20:10:35 +01:00
Ronald Cron 3b9034544e Revert "tls13: Introduce early_data_state SSL context field" 
This reverts commit 0883b8b625.
Due to the scope reduction of mbedtls_ssl_read_early_data()
it is not necessary anymore to refine the usage
of early_data_status/state rather the opposite.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 20:03:57 +01:00
Ronald Cron 164537c4a6 tls13: early data: Improve, add comments 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 19:52:30 +01:00
Valerio Setti 5fe9f6699b rsa_internal: update documentation for parse/write functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 17:35:56 +01:00
Valerio Setti 201e643509 rsa: simplify mbedtls_rsa_parse_pubkey() input parameters 
In this way mbedtls_rsa_parse_pubkey() and mbedtls_rsa_parse_key()
input parameter list is the same.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 17:19:37 +01:00
Valerio Setti 135ebde273 rsa: rename parse/write functions in order to follow the standard format 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 17:00:29 +01:00
Valerio Setti 44ff9506dd rsa: set parse/write functions out of !RSA_ALT guard 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 16:58:36 +01:00
Ronald Cron ed7d4bfda5 tls13: srv: Simplify mbedtls_ssl_read_early_data() API 
Do not progress the handshake in the API, just
read early data if some has been detected by
a previous call to mbedtls_ssl_handshake(),
mbedtls_ssl_handshake_step(),
mbedtls_ssl_read() or mbedtls_ssl_write().

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:45:07 +01:00
Ronald Cron 0883b8b625 tls13: Introduce early_data_state SSL context field 
Introduce early_data_state SSL context field to
distinguish better this internal state from
the status values defined for the
mbedtls_ssl_get_early_data_status() API.
Distinguish also between the client and
server states. Note that the client state
are going to be documented and reworked
as part of the implementation of
mbedtls_ssl_write_early_data().

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:45:04 +01:00
Ronald Cron 7b6ee9482e tls13: srv: Reject early data in case of HRR 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:40:47 +01:00
Jerry Yu d9ca354dbd tls13: srv: Add mbedtls_ssl_read_early_data() API 
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:40:47 +01:00
Jerry Yu 6a5904db45 tls13: srv: Move early data size check placeholder 
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:40:47 +01:00
Jerry Yu 739a1d4246 tls: Add internal function ssl_read_application_data() 
The function will be used by
mbedtls_ssl_read_early_data() as well.

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:40:47 +01:00
Ronald Cron 5d0ae9021f tls13: srv: Refine early data status 
The main purpose is to know from the status
if early data can be received of not and
why.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-02-01 16:40:47 +01:00
Valerio Setti 52ed54b949 psa_crypto_rsa: remove unnecessary casting 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 16:29:01 +01:00
Valerio Setti 2d73baf171 psa_util: convert_der_to_raw_single_int: ensure the input DER integers have valid length 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-02-01 15:25:17 +01:00
Ronald Cron 11cc41265b
Merge pull request #8711 from ronald-cron-arm/tls13-ticket-and-early-data-unit-test 
Add TLS 1.3 ticket and early data unit tests
 2024-02-01 13:15:55 +00:00
Paul Elliott cb88c4945a
Merge pull request #8754 from Redfoxymoon/development 
fix build for midipix
 2024-02-01 10:01:49 +00:00
Valerio Setti 3122f4da50 psa_util: invert check order for leading zeros in convert_der_to_raw_single_int() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-31 11:16:46 +01:00
Dave Rodgman dae21d3808 Support SHA-512 hwcap detection on old libc 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-30 15:31:42 +00:00
Valerio Setti 779a1a5b20 aria: remove leftover in comments 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-30 16:28:09 +01:00
Valerio Setti 78da7468ca psa_util: minor improvements to convert_der_to_raw_single_int() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-30 15:08:40 +01:00
Ørjan Malde 2a6cb5c881 fix build for midipix 
Signed-off-by: Ørjan Malde <red@foxi.me>
 2024-01-30 14:50:23 +01:00
Valerio Setti 122c94fd26 psa_util: remove raw_len param from convert_der_to_raw_single_int() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-29 18:02:03 +01:00
Valerio Setti 9b9b5a52d9 psa_util: some code improvement to convert_der_to_raw_single_int() 
This commit also fixes test_suite_psa_crypto_util.data due to the
change in one of the return values.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-29 17:25:19 +01:00
Valerio Setti 4e048f1749 bignum: removing usage of MPI_VALIDATE_RET() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-29 12:00:21 +01:00
Valerio Setti ea3a6114e6 aria: replace ARIA_VALIDATE_RET() with a simple "if" block 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-29 12:00:21 +01:00
Valerio Setti a45a399a6b lib: remove NULL pointer checks performed with MBEDTLS_INTERNAL_VALIDATE[_RET] 
Symbols defined starting from MBEDTLS_INTERNAL_VALIDATE[_RET]
are removed as well.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-29 12:00:15 +01:00
Valerio Setti 2bec5df945 psa_crypto_ffdh: fix typos 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-26 17:58:09 +01:00
Paul Elliott 47c74a4773
Merge pull request #8741 from Ryan-Everett-arm/add-locking-macros 
Add macros for locking/unlocking the key slot mutex
 2024-01-26 13:53:38 +00:00
Valerio Setti 1a54352f5a psa_crypto_ffdh: move dhm.h inclusion to c file 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-26 09:35:18 +01:00
Dave Rodgman 935182fe2b
Merge pull request #1158 from daverodgman/mbedtls-3.5.2rc 
Mbedtls 3.5.2rc
 2024-01-25 12:22:54 +00:00
Gilles Peskine 43643c4714 Remove now-redundant guard 
fixup "mbedtls_pk_get_psa_attributes: require MBEDTLS_PSA_CRYPTO_C"

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-25 13:21:59 +01:00
Dave Rodgman f5e231ca84
Merge pull request #8719 from daverodgman/iar-codegen 
Improve codegen of unaligned access for IAR and gcc
 2024-01-25 08:31:45 +00:00
Gilles Peskine 9cd2e9ad1b mbedtls_pk_get_psa_attributes: require MBEDTLS_PSA_CRYPTO_C 
Ideally this and other pk functions would work with
MBEDTLS_PSA_CRYPTO_CLIENT (i.e. whether PSA API functions are implemented
locally or via client-server communication). However, at the moment, some
helper functions are missing when MBEDTLS_PSA_CRYPTO_C is disabled, at least
mbedtls_ecc_group_to_psa(). For the time being, don't provide
mbedtls_pk_get_psa_attributes() when MBEDTLS_PSA_CRYPTO_C is disabled. We
can improve later, looking generally at a group of functions to generalize,
not mixed with delivering new APIs.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-24 22:10:50 +01:00
Paul Elliott 7fd162ec26 Refactor common PThreads CMake code 
Move the flags and find of Threads to root CMakeLists.txt, rather
than duplicate these everywhere. Make explicit linking of library with
PThreads use the same mechanism.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2024-01-24 18:05:53 +00:00
Valerio Setti 6def24ce73 test_suite_[pkparse/rsa]: move RSA private key parsing tests 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:42:32 +01:00
Valerio Setti 688f795cb3 asn1: use the new symbol to guard dependencies of ECDSA conversion functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:26:35 +01:00
Valerio Setti f4d2dc2d77 psa_util: guard ECDSA conversion functions with proper (internal) symbol 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:26:35 +01:00
Valerio Setti a7b83a04ee psa_util: add variable casting in convert_raw_to_der_single_int() 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:26:35 +01:00
Valerio Setti 86bae52c55 psa_util: skip leading zeros in der format with "if" instead of "while" 
This is possible because we know that DER format can have at most
1 leading zero.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:26:35 +01:00
Valerio Setti c22e3ce8ef psa_util: remove CRYPTO_C guard from ECDSA conversion functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:26:31 +01:00
Valerio Setti 5713c8a5ac psa_util: minor code improvements 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:14:37 +01:00
Valerio Setti 84890c9be2 psa_util: improve description for ECDSA conversion functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:14:37 +01:00
Valerio Setti bd5b9c61fe pk_wrap: use PSA util functions for ECDSA conversion instead of PK ones 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:14:37 +01:00
Valerio Setti 75501f5ede psa_util: add raw<->DER ECDSA conversion functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 16:14:37 +01:00
Ryan Everett 3877d4858b Refactor macros 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-24 13:26:26 +00:00
Valerio Setti a5f36fcaae rsa: write documentation of new functions for parse/writing RSA priv/pub keys 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 12:36:37 +01:00
Valerio Setti 18dd00052e pk_wrap: use RSA module functions to write priv/pub key in RSA wrappers 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 12:36:37 +01:00
Valerio Setti dccfd3612d rsa: update return values of priv/pub parse/write functions 
The goal is to remove usage of PK return values in order to
completely eliminate that dependency.
This commit also updates pkparse and test_suite_x509parse to
align with this change in return values.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-24 12:36:34 +01:00
Dave Rodgman 13f2f4e7f1 Merge remote-tracking branch 'restricted/development' into mbedtls-3.5.2rc 2024-01-24 09:49:15 +00:00
Ryan Everett cb05ce30e9 Minor fixes to locking macros 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-23 19:25:10 +00:00
Gilles Peskine 55effd9456 Fix the build with MBEDTLS_RSA_ALT 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine c09df2f24c Unify want_private detection 
This commit makes the code arguably slightly simpler and fixes the build
with clang -Wimplicit-fallthrough. No intended semantic change.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine f3dbc98d96 mbedtls_pk_get_psa_attributes: support MBEDTLS_PK_USE_PSA_EC_DATA 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine 7354f1e178 Allow building with MBEDTLS_PK_USE_PSA_EC_DATA && MBEDTLS_ECP_C 
This isn't officially supported, but it's convenient to build the library
this way for quick testing.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine 758d8c7631 mbedtls_pk_get_psa_attributes: support MBEDTLS_PK_OPAQUE 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine ace7c7721e mbedtls_pk_get_psa_attributes: ECC support 
Add code and unit tests for MBEDTLS_PK_ECxxx in
mbedtls_pk_get_psa_attributes().

This commit only supports built-in ECC (MBEDTLS_ECP_C). A subsequent commit
will handle driver-only ECC.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine 6ea18361df mbedtls_pk_get_psa_attributes: RSA support 
Add code and unit tests for MBEDTLS_PK_RSA in mbedtls_pk_get_psa_attributes().

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine 1f97e73114 mbedtls_pk_get_psa_attributes: force enrollment algorithm off 
This avoids a possible gotcha when if the application code reuses an
existing attribute structure.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Gilles Peskine 0b17255da1 Introduce mbedtls_pk_get_psa_attributes 
Follow the specification in https://github.com/Mbed-TLS/mbedtls/pull/8657
as of dd77343381, i.e.
dd77343381/docs/architecture/psa-migration/psa-legacy-bridges.md (api-to-create-a-psa-key-from-a-pk-context)

This commit introduces the function declaration, its documentation, the
definition without the interesting parts and a negative unit test function.
Subsequent commits will add RSA, ECC and PK_OPAQUE support.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2024-01-23 20:09:38 +01:00
Ryan Everett 90afb132e0 Add ..._GOTO_EXIT macro 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-23 18:34:55 +00:00
Ryan Everett d6d6a76e46 Add ..._GOTO_RETURN macro 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-23 18:32:42 +00:00
Valerio Setti 7b7ffd3bb9 psa_crypt_rsa: remove dependency from the PK module 
Use new functions from the RSA module to parse and write
private and public keys in PKCS#1 format.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 16:14:18 +01:00
Valerio Setti b328c44932 pk/rsa: move RSA parse/write private/public key functions to rsa module 
These functions are meant to be used internally, so their prototype
declaration is kept into rsa_internal.h.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 15:18:57 +01:00
Chien Wong 019c2a7817
Handle sizeof(size_t) > sizeof(uint64_t) 
Signed-off-by: Chien Wong <m@xv97.com>
 2024-01-23 21:38:06 +08:00
Janos Follath aa3fa98bc4
Merge pull request #8726 from v1gnesh/patch-1 
Update entropy_poll.c to allow build in z/OS
 2024-01-23 12:43:18 +00:00
Dave Rodgman c64280a2d7 Fix comment typo 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-23 10:05:08 +00:00
Dave Rodgman 00b530e395 Limit compiler hint to compilers that are known to benefit from it 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-23 09:41:34 +00:00
Valerio Setti 429cd50ac8 pkwrite: split pk_write_rsa_der() with a dedicated function for non-opaque RSA key 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 09:10:22 +01:00
Valerio Setti fd49a46a36 pkparse: rename RSA key and pubkey parsing functions 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2024-01-23 08:35:11 +01:00
Dave Rodgman e23d6479cc Bump version 
./scripts/bump_version.sh --version 3.5.1

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-22 15:45:49 +00:00
Janos Follath b4b8f3df3b RSA: improve readability 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath 47ee770812 RSA: remove unneeded temporaries 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath e6750b2a0b RSA: document Montgomery trick in unblind 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath a62a554071 Fix style 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath 100dcddfca Make local function static 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath 6bcbc925bf Extend blinding to RSA result check 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Janos Follath d6b096532c Make RSA unblinding constant flow 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2024-01-22 15:33:19 +00:00
Jonathan Winzig a0c9448bea Update fix to be more platform-independent 
Co-authored-by: David Horstmann <david.horstmann@arm.com>
Signed-off-by: Jonathan Winzig <jwinzig@hilscher.com>
 2024-01-22 15:31:05 +00:00
Jonathan Winzig 63b5e216f8 Fix Issue #8687 
Signed-off-by: Jonathan Winzig <jwinzig@hilscher.com>
 2024-01-22 15:31:05 +00:00
Chien Wong 858bc65d74
Add comment on impossible overflows 
Signed-off-by: Chien Wong <m@xv97.com>
 2024-01-22 20:47:26 +08:00
Chien Wong bf4b5ed7a4
Add back restriction on AD length of GCM 
Fixes: bd513bb53d
Signed-off-by: Chien Wong <m@xv97.com>
 2024-01-22 20:43:54 +08:00
v1gnesh 3c129dd6aa
Update entropy_poll.c 
Signed-off-by: v1gnesh <v1gnesh@users.noreply.github.com>
 2024-01-22 15:59:49 +05:30
Manuel Pégourié-Gonnard 34c6e8a770
Merge pull request #8700 from valeriosetti/issue8461 
psa_asymmetric_encrypt() doesn't work with opaque driver
 2024-01-22 08:43:08 +00:00
Ronald Cron 297c608915 tls13: cli: Fix setting of early data transform 
Fix setting of early data transform when we
do not send dummy CCS for middlebox compatibility.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2024-01-22 09:37:45 +01:00
Janos Follath fb12d9204d
Merge pull request #8693 from Ryan-Everett-arm/implement-key-slot-mutex 
Implement the key slot mutex
 2024-01-19 20:49:18 +00:00
Dave Rodgman 075f8797ac Remove include of build_info.h 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 16:48:42 +00:00
Dave Rodgman 336efeec50 Move MBEDTLS_COMPILER_IS_GCC & MBEDTLS_GCC_VERSION into build_info 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 16:38:53 +00:00
Dave Rodgman 00b4eeb0b3 Improve comments 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 16:14:55 +00:00
Dave Rodgman 2143a4ad1f Improve mbedtls_xor docs 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 15:25:33 +00:00
Dave Rodgman 18d90d7519 Make mbedtls_xor always inline 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 15:25:33 +00:00
Dave Rodgman 55b5dd2cfc Make unaligned accessors always inline 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 15:25:33 +00:00
Dave Rodgman c581264977 Fix unaligned access on old compilers 
Add an alternative implementation of unaligned access that is efficient
for IAR and old versions of gcc.

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 15:25:33 +00:00
Dave Rodgman 7d8c99abb0 Move MBEDTLS_COMPILER_IS_GCC defn into alignment.h 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 14:02:58 +00:00
Dave Rodgman 69b5a86064 Improve mbedtls_xor for IAR 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2024-01-19 14:02:08 +00:00
Ryan Everett 63952b7de5 Fix typo 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-19 13:45:19 +00:00
Ryan Everett 7aeacc1ec4 Add empty line in register_read comment 
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-19 13:02:58 +00:00
Ryan Everett 558da2ffd3 Move key_slot_mutex to threading.h 
Make this a global mutex so that we don't have to init and free it.
Also rename the mutex to follow the convention

Signed-off-by: Ryan Everett <ryan.everett@arm.com>
 2024-01-19 12:59:28 +00:00