Implement stages except write_partial
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 46c071b..b06147c 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -99,7 +99,6 @@
MBEDTLS_SSL_PROC_CHK( ssl_client_hello_postprocess, ( ssl ) );
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_finish_handshake_msg, ( ssl, buf_len, msg_len ) );
- mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
cleanup:
@@ -111,8 +110,31 @@
static int ssl_client_hello_prepare( mbedtls_ssl_context* ssl )
{
- ((void) ssl);
- return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+ int ret;
+ size_t rand_bytes_len;
+
+ if( ssl->conf->f_rng == NULL )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "no RNG provided" ) );
+ return( MBEDTLS_ERR_SSL_NO_RNG );
+ }
+
+ rand_bytes_len = 32;
+
+ if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, ssl->handshake->randbytes, rand_bytes_len ) ) != 0 )
+ {
+ MBEDTLS_SSL_DEBUG_RET( 1, "ssl_generate_random", ret );
+ return( ret );
+ }
+
+ return( 0 );
+}
+
+static int ssl_client_hello_postprocess( mbedtls_ssl_context* ssl )
+{
+ mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
+
+ return( 0 );
}
static int ssl_client_hello_write_partial( mbedtls_ssl_context* ssl,
@@ -128,11 +150,7 @@
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
}
-static int ssl_client_hello_postprocess( mbedtls_ssl_context* ssl )
-{
- ((void) ssl);
- return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
-}
+
#endif /* MBEDTLS_SSL_CLI_C */