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pk: USE_PSA_CRYPTO: don't translate via the TLS ID

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Use the same translation function that the PSA crypto implementation
uses.
This commit is contained in:
Gilles Peskine 2019-12-18 20:43:03 +01:00
parent 89177e862b
commit 4080c91e73
1 changed files with 4 additions and 3 deletions
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7
library/pk.c
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@ -605,6 +605,7 @@ int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
psa_ecc_curve_t curve_id;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_type_t key_type;
size_t bits;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
/* export the private key material in the format PSA wants */
@ -616,12 +617,12 @@ int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
if( ( ret = mbedtls_mpi_write_binary( &ec->d, d, d_len ) ) != 0 )
return( ret );
curve_id = mbedtls_ecp_curve_info_from_grp_id( ec->grp.id )->tls_id;
key_type = PSA_KEY_TYPE_ECC_KEY_PAIR(
mbedtls_psa_parse_tls_ecc_group ( curve_id ) );
curve_id = mbedtls_ecc_group_to_psa( ec->grp.id, &bits );
key_type = PSA_KEY_TYPE_ECC_KEY_PAIR( curve_id );
/* prepare the key attributes */
psa_set_key_type( &attributes, key_type );
psa_set_key_bits( &attributes, bits );
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN_HASH );
psa_set_key_algorithm( &attributes, PSA_ALG_ECDSA(hash_alg) );