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psa_util: add algorithm's availability checks for MD conversion functions

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2024-01-02 14:57:19 +01:00
parent 384fbde49a
commit 3d2e0f5f42
2 changed files with 112 additions and 21 deletions
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27
include/mbedtls/psa_util.h
View File

@ -152,21 +152,12 @@ mbedtls_ecp_group_id mbedtls_ecc_group_of_psa(psa_ecc_family_t curve,
* \brief This function returns the PSA algorithm identifier
* associated with the given digest type.
*
* \param md_type The type of digest to search for. Must not be NONE.
* \param md_type The type of digest to search for.
*
* \warning If \p md_type is \c MBEDTLS_MD_NONE, this function will
* not return \c PSA_ALG_NONE, but an invalid algorithm.
*
* \warning This function does not check if the algorithm is
* supported, it always returns the corresponding identifier.
*
* \return The PSA algorithm identifier associated with \p md_type,
* regardless of whether it is supported or not.
* \return The PSA algorithm identifier associated with \p md_type;
* #PSA_ALG_NONE if the algorithm is unuspported or invalid.
*/
static inline psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type)
{
return PSA_ALG_CATEGORY_HASH | (psa_algorithm_t) md_type;
}
psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type);
/**
* \brief This function returns the given digest type
@ -174,16 +165,10 @@ static inline psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_
*
* \param psa_alg The PSA algorithm identifier to search for.
*
* \warning This function does not check if the algorithm is
* supported, it always returns the corresponding identifier.
*
* \return The MD type associated with \p psa_alg,
* regardless of whether it is supported or not.
* #MBEDTLS_MD_NONE if the algorithm is unsupported or invalid.
*/
static inline mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg)
{
return (mbedtls_md_type_t) (psa_alg & PSA_ALG_HASH_MASK);
}
mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg);
/**@}*/

106
library/psa_util.c
View File

@ -330,4 +330,110 @@ mbedtls_ecp_group_id mbedtls_ecc_group_of_psa(psa_ecc_family_t curve,
}
#endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type)
{
switch (md_type) {
#if defined(PSA_WANT_ALG_MD5)
case MBEDTLS_MD_MD5:
return PSA_ALG_MD5;
#endif
#if defined(PSA_WANT_ALG_RIPEMD160)
case MBEDTLS_MD_RIPEMD160:
return PSA_ALG_RIPEMD160;
#endif
#if defined(PSA_WANT_ALG_SHA_1)
case MBEDTLS_MD_SHA1:
return PSA_ALG_SHA_1;
#endif
#if defined(PSA_WANT_ALG_SHA_224)
case MBEDTLS_MD_SHA224:
return PSA_ALG_SHA_224;
#endif
#if defined(PSA_WANT_ALG_SHA_256)
case MBEDTLS_MD_SHA256:
return PSA_ALG_SHA_256;
#endif
#if defined(PSA_WANT_ALG_SHA_384)
case MBEDTLS_MD_SHA384:
return PSA_ALG_SHA_384;
#endif
#if defined(PSA_WANT_ALG_SHA_512)
case MBEDTLS_MD_SHA512:
return PSA_ALG_SHA_512;
#endif
#if defined(PSA_WANT_ALG_SHA3_224)
case MBEDTLS_MD_SHA3_224:
return PSA_ALG_SHA3_224;
#endif
#if defined(PSA_WANT_ALG_SHA3_256)
case MBEDTLS_MD_SHA3_256:
return PSA_ALG_SHA3_256;
#endif
#if defined(PSA_WANT_ALG_SHA3_384)
case MBEDTLS_MD_SHA3_384:
return PSA_ALG_SHA3_384;
#endif
#if defined(PSA_WANT_ALG_SHA3_512)
case MBEDTLS_MD_SHA3_512:
return PSA_ALG_SHA3_512;
#endif
case MBEDTLS_MD_NONE:
default:
return PSA_ALG_NONE;
}
}
mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg)
{
switch (psa_alg) {
#if defined(PSA_WANT_ALG_MD5)
case PSA_ALG_MD5:
return MBEDTLS_MD_MD5;
#endif
#if defined(PSA_WANT_ALG_RIPEMD160)
case PSA_ALG_RIPEMD160:
return MBEDTLS_MD_RIPEMD160;
#endif
#if defined(PSA_WANT_ALG_SHA_1)
case PSA_ALG_SHA_1:
return MBEDTLS_MD_SHA1;
#endif
#if defined(PSA_WANT_ALG_SHA_224)
case PSA_ALG_SHA_224:
return MBEDTLS_MD_SHA224;
#endif
#if defined(PSA_WANT_ALG_SHA_256)
case PSA_ALG_SHA_256:
return MBEDTLS_MD_SHA256;
#endif
#if defined(PSA_WANT_ALG_SHA_384)
case PSA_ALG_SHA_384:
return MBEDTLS_MD_SHA384;
#endif
#if defined(PSA_WANT_ALG_SHA_512)
case PSA_ALG_SHA_512:
return MBEDTLS_MD_SHA512;
#endif
#if defined(PSA_WANT_ALG_SHA3_224)
case PSA_ALG_SHA3_224:
return MBEDTLS_MD_SHA3_224;
#endif
#if defined(PSA_WANT_ALG_SHA3_256)
case PSA_ALG_SHA3_256:
return MBEDTLS_MD_SHA3_256;
#endif
#if defined(PSA_WANT_ALG_SHA3_384)
case PSA_ALG_SHA3_384:
return MBEDTLS_MD_SHA3_384;
#endif
#if defined(PSA_WANT_ALG_SHA3_512)
case PSA_ALG_SHA3_512:
return MBEDTLS_MD_SHA3_512;
#endif
case PSA_ALG_NONE:
default:
return MBEDTLS_MD_NONE;
}
}
#endif /* MBEDTLS_PSA_CRYPTO_C */