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Unify PSA to Mbed TLS error translation

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Move all error translation utilities to psa_util.c.
Introduce macros and functions to avoid having
a local copy of the error translating function in
each place.
Identify overlapping errors and introduce a
generic function.
Provide a single macro for all error translations
(unless one file needs a couple of different ones).
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2022-12-23 11:00:06 -05:00
parent 05b80a4eee
commit 8a045ce5e6
29 changed files with 459 additions and 147 deletions
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37
include/mbedtls/psa_util.h
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@ -344,6 +344,41 @@ extern mbedtls_psa_drbg_context_t *const mbedtls_psa_random_state;
#endif /* !defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) */
#endif /* MBEDTLS_PSA_CRYPTO_C */
/* PSA errors use int32_t, while Mbed TLS ones use int16_t. psa_status_t
* is enough to store either of them. */
#if !defined(MBEDTLS_MD_C) || !defined(MBEDTLS_MD5_C)
extern psa_status_t psa_to_md_errors[8];
#endif
#if defined(MBEDTLS_LMS_C)
extern psa_status_t psa_to_lms_errors[6];
#endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
extern psa_status_t psa_to_ssl_errors[14];
#endif
#if defined(PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY) || \
defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR)
extern psa_status_t psa_to_pk_rsa_errors[16];
#endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
extern psa_status_t psa_to_pk_ecdsa_errors[14];
#endif
int psa_generic_status_to_mbedtls(psa_status_t status);
int psa_status_to_mbedtls(psa_status_t status,
psa_status_t *local_translations,
size_t local_errors_num,
int (*fallback_f)(psa_status_t));
int psa_pk_status_to_mbedtls(psa_status_t status);
#define PSA_TO_MBEDTLS_ERR_LIST(status, error_list, fallback_f) \
psa_status_to_mbedtls(status, error_list, sizeof(error_list), fallback_f)
#endif /* MBEDTLS_PSA_CRYPTO_C */
#endif /* MBEDTLS_PSA_UTIL_H */