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Add generic write_supported-groups_ext

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2021-12-20 22:22:15 +08:00
parent b47d0f893e
commit ba07342cd6
3 changed files with 169 additions and 17 deletions
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52
library/ssl_misc.h
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@ -1626,23 +1626,6 @@ static inline int mbedtls_ssl_tls13_some_psk_enabled( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL ) );
}
/*
* Helper functions for NamedGroup.
*/
static inline int mbedtls_ssl_tls13_named_group_is_ecdhe( uint16_t named_group )
{
return( named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP521R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_X25519 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_X448 );
}
static inline int mbedtls_ssl_tls13_named_group_is_dhe( uint16_t named_group )
{
return( named_group >= MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE2048 &&
named_group <= MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE8192 );
}
static inline void mbedtls_ssl_handshake_set_state( mbedtls_ssl_context *ssl,
mbedtls_ssl_states state )
@ -1743,4 +1726,39 @@ static inline const void *mbedtls_ssl_get_groups( const mbedtls_ssl_context *ssl
#endif
}
/*
* Helper functions for NamedGroup.
*/
static inline int mbedtls_ssl_named_group_is_ecdhe( uint16_t named_group )
{
/*
* RFC 4492 section 5.1.1
*/
return( named_group >= MBEDTLS_SSL_IANA_TLS_GROUP_SECT163K1 &&
named_group <= MBEDTLS_SSL_IANA_TLS_GROUP_SECP521R1 );
}
static inline int mbedtls_ssl_tls13_named_group_is_ecdhe( uint16_t named_group )
{
return( named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_SECP521R1 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_X25519 ||
named_group == MBEDTLS_SSL_IANA_TLS_GROUP_X448 );
}
static inline int mbedtls_ssl_tls13_named_group_is_dhe( uint16_t named_group )
{
return( named_group >= MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE2048 &&
named_group <= MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE8192 );
}
#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
int mbedtls_ssl_write_supported_groups_ext( mbedtls_ssl_context *ssl,
unsigned char *buf,
unsigned char *end,
size_t *out_len );
#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
#endif /* ssl_misc.h */