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Add key exchange modes helper functions

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Add helper functions for `tls13_kex_modes`

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2021-08-23 17:42:37 +08:00
parent 7533635e5a
commit 26f4d15d13
1 changed files with 43 additions and 0 deletions
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43
library/ssl_misc.h
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@ -1348,6 +1348,49 @@ void mbedtls_ssl_buffering_free( mbedtls_ssl_context *ssl );
void mbedtls_ssl_flight_free( mbedtls_ssl_flight_item *flight );
#endif /* MBEDTLS_SSL_PROTO_DTLS */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
/*
* Helper functions around key exchange modes.
*/
static inline unsigned mbedtls_ssl_conf_tls13_kex_modes_check( mbedtls_ssl_context *ssl,
int kex_mode_mask )
{
return( ( ssl->conf->tls13_kex_modes & kex_mode_mask ) != 0 );
}
static inline int mbedtls_ssl_conf_tls13_pure_psk_enabled( mbedtls_ssl_context *ssl )
{
return( mbedtls_ssl_conf_tls13_kex_modes_check( ssl,
MBEDTLS_SSL_TLS13_KEY_EXCHANGE_MODE_PSK ) );
}
static inline int mbedtls_ssl_conf_tls13_psk_ephemeral_enabled( mbedtls_ssl_context *ssl )
{
return( mbedtls_ssl_conf_tls13_kex_modes_check( ssl,
MBEDTLS_SSL_TLS13_KEY_EXCHANGE_MODE_PSK_EPHEMERAL ) );
}
static inline int mbedtls_ssl_conf_tls13_pure_ephemeral_enabled( mbedtls_ssl_context *ssl )
{
return( mbedtls_ssl_conf_tls13_kex_modes_check( ssl,
MBEDTLS_SSL_TLS13_KEY_EXCHANGE_MODE_EPHEMERAL ) );
}
static inline int mbedtls_ssl_conf_tls13_some_ephemeral_enabled( mbedtls_ssl_context *ssl )
{
return( mbedtls_ssl_conf_tls13_kex_modes_check( ssl,
MBEDTLS_SSL_TLS13_KEY_EXCHANGE_MODE_EPHEMERAL_ALL ) );
}
static inline int mbedtls_ssl_conf_tls13_some_psk_enabled( mbedtls_ssl_context *ssl )
{
return( mbedtls_ssl_conf_tls13_kex_modes_check( ssl,
MBEDTLS_SSL_TLS13_KEY_EXCHANGE_MODE_PSK_ALL ) );
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
/**
* ssl utils functions for checking configuration.
*/