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tls: remove dependency from mbedtls_ecp_curve functions

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Signed-off-by: Valerio Setti <vsetti@baylibre.com>
This commit is contained in:
Valerio Setti
2022-12-30 17:44:24 +01:00
committed by Gilles Peskine
parent 71159f45ab
commit 5f10bedfb9
7 changed files with 238 additions and 81 deletions
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17
include/mbedtls/psa_util.h
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@@ -257,23 +257,6 @@ static inline int mbedtls_psa_get_ecc_oid_from_id(
#define MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH \
PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS)
/* This function transforms an ECC group identifier from
* https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-8
* into a PSA ECC group identifier. */
#if defined(MBEDTLS_ECP_C)
static inline psa_key_type_t mbedtls_psa_parse_tls_ecc_group(
uint16_t tls_ecc_grp_reg_id, size_t *bits)
{
const mbedtls_ecp_curve_info *curve_info =
mbedtls_ecp_curve_info_from_tls_id(tls_ecc_grp_reg_id);
if (curve_info == NULL) {
return 0;
}
return PSA_KEY_TYPE_ECC_KEY_PAIR(
mbedtls_ecc_group_to_psa(curve_info->grp_id, bits));
}
#endif /* MBEDTLS_ECP_C */
/* Expose whatever RNG the PSA subsystem uses to applications using the
* mbedtls_xxx API. The declarations and definitions here need to be
* consistent with the implementation in library/psa_crypto_random_impl.h.