mirror of
https://github.com/Mbed-TLS/mbedtls.git
synced 2025-01-27 06:35:22 +00:00
Remove RAW PSK when MBEDTLS_USE_PSA_CRYPTO is selected
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
parent
61f237afb7
commit
e952a30d47
@ -1428,8 +1428,7 @@ struct mbedtls_ssl_config
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* configured, this has value \c 0.
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*/
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uint8_t MBEDTLS_PRIVATE(psk_opaque_is_internal);
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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unsigned char *MBEDTLS_PRIVATE(psk); /*!< The raw pre-shared key. This field should
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* only be set via mbedtls_ssl_conf_psk().
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* If either no PSK or an opaque PSK
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@ -1439,6 +1438,7 @@ struct mbedtls_ssl_config
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* mbedtls_ssl_conf_psk().
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* Its value is non-zero if and only if
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* \c psk is not \c NULL. */
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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unsigned char *MBEDTLS_PRIVATE(psk_identity); /*!< The PSK identity for PSK negotiation.
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* This field should only be set via
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@ -653,9 +653,10 @@ struct mbedtls_ssl_handshake_params
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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mbedtls_svc_key_id_t psk_opaque; /*!< Opaque PSK from the callback */
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uint8_t psk_opaque_is_internal;
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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unsigned char *psk; /*!< PSK from the callback */
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size_t psk_len; /*!< Length of PSK from callback */
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
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#if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
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@ -1321,6 +1322,12 @@ int mbedtls_ssl_conf_has_static_psk( mbedtls_ssl_config const *conf );
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static inline int mbedtls_ssl_get_psk( const mbedtls_ssl_context *ssl,
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const unsigned char **psk, size_t *psk_len )
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{
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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(void) ssl;
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*psk = NULL;
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*psk_len = 0;
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return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
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#else
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if( ssl->handshake->psk != NULL && ssl->handshake->psk_len > 0 )
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{
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*psk = ssl->handshake->psk;
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@ -1341,6 +1348,7 @@ static inline int mbedtls_ssl_get_psk( const mbedtls_ssl_context *ssl,
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}
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return( 0 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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}
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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@ -1527,10 +1527,10 @@ static int ssl_conf_psk_is_configured( mbedtls_ssl_config const *conf )
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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if( !mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
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return( 1 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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if( conf->psk != NULL )
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return( 1 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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return( 0 );
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}
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@ -1550,12 +1550,7 @@ static void ssl_conf_remove_psk( mbedtls_ssl_config *conf )
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}
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conf->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
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}
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/* This and the following branch should never
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* be taken simultaenously as we maintain the
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* invariant that raw and opaque PSKs are never
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* configured simultaneously. As a safeguard,
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* though, `else` is omitted here. */
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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if( conf->psk != NULL )
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{
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mbedtls_platform_zeroize( conf->psk, conf->psk_len );
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@ -1564,6 +1559,7 @@ static void ssl_conf_remove_psk( mbedtls_ssl_config *conf )
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conf->psk = NULL;
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conf->psk_len = 0;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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/* Remove reference to PSK identity, if any. */
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if( conf->psk_identity != NULL )
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@ -1668,8 +1664,7 @@ static void ssl_remove_psk( mbedtls_ssl_context *ssl )
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}
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ssl->handshake->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
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}
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else
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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if( ssl->handshake->psk != NULL )
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{
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mbedtls_platform_zeroize( ssl->handshake->psk,
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@ -1677,6 +1672,7 @@ static void ssl_remove_psk( mbedtls_ssl_context *ssl )
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mbedtls_free( ssl->handshake->psk );
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ssl->handshake->psk_len = 0;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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}
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int mbedtls_ssl_set_hs_psk( mbedtls_ssl_context *ssl,
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@ -3304,12 +3300,13 @@ void mbedtls_ssl_handshake_free( mbedtls_ssl_context *ssl )
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}
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ssl->handshake->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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if( handshake->psk != NULL )
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{
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mbedtls_platform_zeroize( handshake->psk, handshake->psk_len );
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mbedtls_free( handshake->psk );
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#endif
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#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
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@ -4508,7 +4505,7 @@ void mbedtls_ssl_config_free( mbedtls_ssl_config *conf )
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}
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conf->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#else
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if( conf->psk != NULL )
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{
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mbedtls_platform_zeroize( conf->psk, conf->psk_len );
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@ -4516,6 +4513,7 @@ void mbedtls_ssl_config_free( mbedtls_ssl_config *conf )
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conf->psk = NULL;
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conf->psk_len = 0;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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if( conf->psk_identity != NULL )
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{
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@ -5185,30 +5183,6 @@ static int ssl_set_handshake_prfs( mbedtls_ssl_handshake_params *handshake,
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return( 0 );
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}
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#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
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defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED )
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static int ssl_use_opaque_psk( mbedtls_ssl_context const *ssl )
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{
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if( ssl->conf->f_psk != NULL )
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{
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/* If we've used a callback to select the PSK,
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* the static configuration is irrelevant. */
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if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
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return( 1 );
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return( 0 );
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}
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if( ! mbedtls_svc_key_id_is_null( ssl->conf->psk_opaque ) )
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return( 1 );
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return( 0 );
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO &&
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MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
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/*
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* Compute master secret if needed
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*
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@ -5281,8 +5255,7 @@ static int ssl_compute_master( mbedtls_ssl_handshake_params *handshake,
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#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
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defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
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if( mbedtls_ssl_ciphersuite_uses_psk( handshake->ciphersuite_info ) == 1 &&
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ssl_use_opaque_psk( ssl ) == 1 )
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if( mbedtls_ssl_ciphersuite_uses_psk( handshake->ciphersuite_info ) == 1 )
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{
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/* Perform PSK-to-MS expansion in a single step. */
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psa_status_t status;
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@ -62,12 +62,12 @@ int mbedtls_ssl_conf_has_static_psk( mbedtls_ssl_config const *conf )
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return( 0 );
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}
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if( conf->psk != NULL && conf->psk_len != 0 )
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return( 1 );
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
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return( 1 );
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#else
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if( conf->psk != NULL && conf->psk_len != 0 )
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return( 1 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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return( 0 );
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@ -160,12 +160,13 @@ static int ssl_conf_has_psk_or_cb( mbedtls_ssl_config const *conf )
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if( conf->psk_identity_len == 0 || conf->psk_identity == NULL )
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return( 0 );
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if( conf->psk != NULL && conf->psk_len != 0 )
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return( 1 );
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
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return( 1 );
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#else
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if( conf->psk != NULL && conf->psk_len != 0 )
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return( 1 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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return( 0 );
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