tree 6421b22ccbc38897ec6ebefd17e68a220f95f883
parent 49d5f5fc69c72b8972429a108441206e3707c91d
author Jerome Forissier <jerome@forissier.org> 1646853346 +0100
committer Jerome Forissier <jerome@forissier.org> 1647351000 +0100

core: mbedtls: add curve type to domain parameter group ID conversion

MBedTLS functions mbedtls_ecp_group_load() and mbedtls_ecdsa_genkey()
take a group ID parameter of type mbedtls_ecp_group_id which is an enum
(MBEDTLS_ECP_DP_SECP192R1, etc.). The code in lib/libmbedtls/core/ecc.c
incorrectly passes a uint32_t TEE curve ID instead
(TEE_ECC_CURVE_NIST_P192, etc.). By chance the values happen to be the
same for all the NIST curves, but not for SM2. Fix that by introducing a
conversion function.

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>