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mbedtls_pk_get_psa_attributes: require MBEDTLS_PSA_CRYPTO_C

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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>
This commit is contained in:
Gilles Peskine 2024-01-24 13:40:09 +01:00
parent 64996c3be9
commit 9cd2e9ad1b
2 changed files with 4 additions and 4 deletions
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4
include/mbedtls/pk.h
View file

@ -484,7 +484,7 @@ int mbedtls_pk_can_do_ext(const mbedtls_pk_context *ctx, psa_algorithm_t alg,
psa_key_usage_t usage);
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_PSA_CRYPTO_CLIENT)
#if defined(MBEDTLS_PSA_CRYPTO_C)
/**
* \brief Determine valid PSA attributes that can be used to
* import a key into PSA.
@ -596,7 +596,7 @@ int mbedtls_pk_can_do_ext(const mbedtls_pk_context *ctx, psa_algorithm_t alg,
int mbedtls_pk_get_psa_attributes(const mbedtls_pk_context *pk,
psa_key_usage_t usage,
psa_key_attributes_t *attributes);
#endif /* MBEDTLS_PSA_CRYPTO_CLIENT */
#endif /* MBEDTLS_PSA_CRYPTO_C */
/**
* \brief Verify signature (including padding if relevant).

4
library/pk.c
View file

@ -378,7 +378,7 @@ int mbedtls_pk_can_do_ext(const mbedtls_pk_context *ctx, psa_algorithm_t alg,
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_PSA_CRYPTO_CLIENT)
#if defined(MBEDTLS_PSA_CRYPTO_C)
#if defined(MBEDTLS_RSA_C)
static psa_algorithm_t psa_algorithm_for_rsa(const mbedtls_rsa_context *rsa,
int want_crypt)
@ -586,7 +586,7 @@ int mbedtls_pk_get_psa_attributes(const mbedtls_pk_context *pk,
return 0;
}
#endif
#endif /* MBEDTLS_PSA_CRYPTO_C */
/*
* Helper for mbedtls_pk_sign and mbedtls_pk_verify