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fix various issues

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- wrong typo in comments
- replace psk null check with key_exchange_mode check
- set psk NULL when error return in export hs psk

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-08-17 10:18:10 +08:00
parent 6cf6b47b5c
commit 5d01c05d93
3 changed files with 21 additions and 10 deletions
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4
library/ssl_tls.c
View file

@ -1693,9 +1693,9 @@ int mbedtls_ssl_set_hs_psk( mbedtls_ssl_context *ssl,
{
#if defined(MBEDTLS_USE_PSA_CRYPTO)
psa_key_attributes_t key_attributes = psa_key_attributes_init();
psa_status_t status;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_algorithm_t alg = PSA_ALG_ANY_HASH;
mbedtls_svc_key_id_t key;
mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
if( psk == NULL || ssl->handshake == NULL )

23
library/ssl_tls13_keys.c
View file

@ -1065,13 +1065,18 @@ int mbedtls_ssl_tls13_key_schedule_stage_early( mbedtls_ssl_context *ssl )
}
hash_alg = mbedtls_hash_info_psa_from_md( handshake->ciphersuite_info->mac );
ret = mbedtls_ssl_tls13_export_handshake_psk( ssl, &psk, &psk_len );
if( ret != 0 && psk != NULL )
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
if( mbedtls_ssl_tls13_key_exchange_mode_with_psk( ssl ) )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_export_handshake_psk", ret );
return( ret );
ret = mbedtls_ssl_tls13_export_handshake_psk( ssl, &psk, &psk_len );
if( ret != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_export_handshake_psk",
ret );
return( ret );
}
}
#endif
ret = mbedtls_ssl_tls13_evolve_secret( hash_alg, NULL, psk, psk_len,
handshake->tls13_master_secrets.early );
@ -1596,18 +1601,24 @@ int mbedtls_ssl_tls13_export_handshake_psk( mbedtls_ssl_context *ssl,
if( status != PSA_SUCCESS )
{
mbedtls_free( (void *)*psk );
*psk = NULL;
return( psa_ssl_status_to_mbedtls( status ) );
}
return( 0 );
#else
*psk = ssl->handshake->psk;
*psk_len = ssl->handshake->psk_len;
if( *psk == NULL )
return( MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED );
return( 0 );
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
#else /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
((void) ssl);
*psk = NULL;
*psk_len = 0;
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
#endif /* !MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
return( 0 );
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */

4
programs/ssl/ssl_server2.c
View file

@ -1860,9 +1860,9 @@ int main( int argc, char *argv[] )
opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
else if( strcmp( q, "all" ) == 0 )
opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
/* `psk_or_ephemeral` exists in theory and is not recommend in practise.
/* `psk_or_ephemeral` exists in theory and is not recommended in practice.
* In server side, if needed extensions are received, psk or ephemeral
* mode will be set. Add this mode only for test purpose to improve
* mode will be set. Add this mode only for test purposes to improve
* test coverage.
*/
else if( strcmp( q, "psk_or_ephemeral" ) == 0 )