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Update psa_create_key to PSA 1.0

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This commit is contained in:
Janos Follath 2019-07-30 13:52:24 +01:00
parent ed73b04c6e
commit 7bb5e6b4da
1 changed files with 11 additions and 12 deletions
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23
library/ssl_cli.c
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@ -3229,7 +3229,7 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
{
psa_status_t status;
psa_key_policy_t policy;
psa_key_attributes_t attributes;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
@ -3262,19 +3262,18 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
* yet support the provisioning of salt + label to the KDF.
* For the time being, we therefore need to split the computation
* of the ECDH secret and the application of the TLS 1.2 PRF. */
policy = psa_key_policy_init();
psa_key_policy_set_usage( &policy,
PSA_KEY_USAGE_DERIVE,
PSA_ALG_ECDH( PSA_ALG_SELECT_RAW ) );
status = psa_set_key_policy( handshake->ecdh_psa_privkey, &policy );
if( status != PSA_SUCCESS )
return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
attributes = psa_key_attributes_init();
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
psa_set_key_algorithm( &attributes,
PSA_ALG_ECDH( PSA_ALG_SELECT_RAW ) );
psa_set_key_type( &attributes,
PSA_KEY_TYPE_ECC_KEY_PAIR( handshake->ecdh_psa_curve )
);
psa_set_key_bits( &key_attributes,
PSA_ECC_CURVE_BITS( handshake->ecdh_psa_curve ) );
/* Generate ECDH private key. */
status = psa_generate_key( handshake->ecdh_psa_privkey,
PSA_KEY_TYPE_ECC_KEY_PAIR( handshake->ecdh_psa_curve ),
MBEDTLS_PSA_ECC_KEY_BITS_OF_CURVE( handshake->ecdh_psa_curve ),
NULL, 0 );
status = psa_generate_key( &attributes, handshake->ecdh_psa_privkey );
if( status != PSA_SUCCESS )
return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );