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psa_util: guard ECDSA conversion functions with proper (internal) symbol

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2024-01-16 10:57:48 +01:00
parent 17105df3e7
commit f4d2dc2d77
4 changed files with 17 additions and 2 deletions
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7
include/mbedtls/config_adjust_legacy_crypto.h
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@ -400,6 +400,13 @@
#define MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY
#endif
/* psa_util file features some ECDSA conversion functions, to convert between
* legacy's ASN.1 DER format and PSA's raw one. */
#if defined(MBEDTLS_ECDSA_C) || defined(MBEDTLS_PSA_CRYPTO_C) && \
(defined(PSA_WANT_ALG_ECDSA) || defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA))
#define MBEDTLS_PSA_UTIL_HAVE_ECDSA
#endif
/* Some internal helpers to determine which keys are availble. */
#if (!defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_AES_C)) || \
(defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_KEY_TYPE_AES))

4
include/mbedtls/psa_util.h
View File

@ -182,6 +182,8 @@ static inline mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa
}
#endif /* MBEDTLS_PSA_CRYPTO_C */
#if defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA)
#if defined(MBEDTLS_ASN1_WRITE_C)
/** Convert an ECDSA signature from raw format (used by PSA APIs) to DER ASN.1
* format (used by legacy crypto APIs).
@ -220,6 +222,8 @@ int mbedtls_ecdsa_der_to_raw(const unsigned char *der, size_t der_len,
size_t bits);
#endif /* MBEDTLS_ASN1_PARSE_C */
#endif /* MBEDTLS_PSA_UTIL_HAVE_ECDSA */
/**@}*/
#endif /* MBEDTLS_PSA_UTIL_H */

4
library/psa_util.c
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@ -338,6 +338,8 @@ mbedtls_ecp_group_id mbedtls_ecc_group_from_psa(psa_ecc_family_t family,
#endif /* MBEDTLS_PSA_CRYPTO_C */
#if defined(MBEDTLS_PSA_UTIL_HAVE_ECDSA)
#if defined(MBEDTLS_ASN1_WRITE_C)
/**
* \brief Convert a single raw coordinate to DER ASN.1 format. The output der
@ -569,3 +571,5 @@ int mbedtls_ecdsa_der_to_raw(const unsigned char *der, size_t der_len,
return 0;
}
#endif /* MBEDTLS_ASN1_PARSE_C */
#endif /* MBEDTLS_PSA_UTIL_HAVE_ECDSA */

4
tests/suites/test_suite_psa_crypto_util.function
View File

@ -3,7 +3,7 @@
#include <mbedtls/psa_util.h>
/* END_HEADER */
/* BEGIN_CASE depends_on:MBEDTLS_ASN1_WRITE_C */
/* BEGIN_CASE depends_on:MBEDTLS_PSA_UTIL_HAVE_ECDSA:MBEDTLS_ASN1_WRITE_C */
void ecdsa_raw_to_der(int key_bits, data_t *input, data_t *exp_result, int exp_ret)
{
unsigned char *tmp_buf = NULL;
@ -25,7 +25,7 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_ASN1_PARSE_C */
/* BEGIN_CASE depends_on:MBEDTLS_PSA_UTIL_HAVE_ECDSA:MBEDTLS_ASN1_PARSE_C */
void ecdsa_der_to_raw(int key_bits, data_t *input, data_t *exp_result, int exp_ret)
{
unsigned char *tmp_buf = NULL;