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Add new mutex for PSA global rng data

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2024-03-11 12:09:49 +00:00
parent 077fd87748
commit b8e38e0e27
2 changed files with 13 additions and 3 deletions
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13
include/mbedtls/threading.h
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@ -114,11 +114,18 @@ extern mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex;
extern mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex;
/*
* A mutex used to make the PSA global_data struct members thread safe.
* A mutex used to make the non-rng PSA global_data struct members thread safe.
*
* This mutex must be held when any read or write to a any of the PSA
* global_data structure members. */
* This mutex must be held when reading or writing to any of the PSA global_data
* structure members, other than the rng_state or rng struct. */
extern mbedtls_threading_mutex_t mbedtls_threading_psa_globaldata_mutex;
/*
* A mutex used to make the PSA global_data rng data thread safe.
*
* This mutex must be held when reading or writing to the PSA
* global_data rng_state or rng struct members. */
extern mbedtls_threading_mutex_t mbedtls_threading_psa_rngdata_mutex;
#endif
#endif /* MBEDTLS_THREADING_C */

3
library/threading.c
View File

@ -151,6 +151,7 @@ void mbedtls_threading_set_alt(void (*mutex_init)(mbedtls_threading_mutex_t *),
#if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_mutex_init(&mbedtls_threading_key_slot_mutex);
mbedtls_mutex_init(&mbedtls_threading_psa_globaldata_mutex);
mbedtls_mutex_init(&mbedtls_threading_psa_rngdata_mutex);
#endif
}
@ -168,6 +169,7 @@ void mbedtls_threading_free_alt(void)
#if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_mutex_free(&mbedtls_threading_key_slot_mutex);
mbedtls_mutex_free(&mbedtls_threading_psa_globaldata_mutex);
mbedtls_mutex_free(&mbedtls_threading_psa_rngdata_mutex);
#endif
}
#endif /* MBEDTLS_THREADING_ALT */
@ -187,6 +189,7 @@ mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex MUTEX_INIT;
#if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex MUTEX_INIT;
mbedtls_threading_mutex_t mbedtls_threading_psa_globaldata_mutex MUTEX_INIT;
mbedtls_threading_mutex_t mbedtls_threading_psa_rngdata_mutex MUTEX_INIT;
#endif
#endif /* MBEDTLS_THREADING_C */