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pk: change location of Montgomery helpers

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This is to have them available only where they are really required.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti
2023-05-18 18:48:07 +02:00
parent 8a6225062a
commit e0e6311b64
3 changed files with 38 additions and 16 deletions
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28
library/pk_internal.h
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@@ -81,24 +81,20 @@ static inline mbedtls_ecp_keypair *mbedtls_pk_ec_rw(const mbedtls_pk_context pk)
}
}
/* Helpers for Montgomery curves */
static inline mbedtls_ecp_group_id mbedtls_pk_get_group_id(const mbedtls_pk_context *pk)
{
mbedtls_ecp_group_id id;
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
id = mbedtls_ecc_group_of_psa(pk->ec_family, pk->ec_bits, 0);
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
id = mbedtls_pk_ec_ro(*pk)->grp.id;
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
return id;
}
/* Helper for Montgomery curves */
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) || defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
#define MBEDTLS_PK_HAVE_RFC8410_CURVES
static inline int mbedtls_pk_is_rfc8410_curve(mbedtls_ecp_group_id id)
{
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
if (id == MBEDTLS_ECP_DP_CURVE25519) {
return 1;
}
#endif
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
if (id == MBEDTLS_ECP_DP_CURVE448) {
return 1;
}
#endif
return 0;
}
#endif /* MBEDTLS_ECP_DP_CURVE25519_ENABLED || MBEDTLS_ECP_DP_CURVE448_ENABLED */
#endif /* MBEDTLS_ECP_LIGHT */