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Move the location of functions

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Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
This commit is contained in:
XiaokangQian 2021-11-11 08:16:19 +00:00
parent 8773aa0da9
commit 35dc625e37
1 changed files with 39 additions and 50 deletions
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89
library/ssl_tls13_generic.c
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@ -1020,55 +1020,10 @@ cleanup:
* STATE HANDLING: Write and send Finished message.
*
*/
/*
* Overview
* Implement
*/
/* Main entry point: orchestrates the other functions */
static int ssl_tls13_prepare_finished_message( mbedtls_ssl_context *ssl );
static int ssl_tls13_write_finished_message_body( mbedtls_ssl_context *ssl,
unsigned char *buf,
unsigned char *end,
size_t *olen );
static int ssl_tls13_finalize_finished_message( mbedtls_ssl_context *ssl );
int mbedtls_ssl_tls13_write_finished_message( mbedtls_ssl_context *ssl )
{
int ret;
unsigned char *buf;
size_t buf_len, msg_len;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished message" ) );
if( !ssl->handshake->state_local.finished_out.preparation_done )
{
MBEDTLS_SSL_PROC_CHK( ssl_tls13_prepare_finished_message( ssl ) );
ssl->handshake->state_local.finished_out.preparation_done = 1;
}
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_start_handshake_msg( ssl,
MBEDTLS_SSL_HS_FINISHED, &buf, &buf_len ) );
MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_finished_message_body(
ssl, buf, buf + buf_len, &msg_len ) );
mbedtls_ssl_tls1_3_add_hs_msg_to_checksum( ssl, MBEDTLS_SSL_HS_FINISHED,
buf, msg_len );
MBEDTLS_SSL_PROC_CHK( ssl_tls13_finalize_finished_message( ssl ) );
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_finish_handshake_msg( ssl,
buf_len, msg_len ) );
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_flush_output( ssl ) );
cleanup:
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write finished message" ) );
return( ret );
}
static int ssl_tls13_prepare_finished_message( mbedtls_ssl_context *ssl )
{
int ret;
@ -1095,7 +1050,6 @@ static int ssl_tls13_finalize_finished_message( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_SSL_CLI_C)
if( ssl->conf->endpoint == MBEDTLS_SSL_IS_CLIENT )
{
/* Compute resumption_master_secret */
((void) ssl);
mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_FLUSH_BUFFERS );
@ -1112,9 +1066,9 @@ static int ssl_tls13_finalize_finished_message( mbedtls_ssl_context *ssl )
}
static int ssl_tls13_write_finished_message_body( mbedtls_ssl_context *ssl,
unsigned char *buf,
unsigned char *end,
size_t *olen )
unsigned char *buf,
unsigned char *end,
size_t *olen )
{
size_t verify_data_len = ssl->handshake->state_local.finished_out.digest_len;
@ -1127,6 +1081,41 @@ static int ssl_tls13_write_finished_message_body( mbedtls_ssl_context *ssl,
return( 0 );
}
/* Main entry point: orchestrates the other functions */
int mbedtls_ssl_tls13_write_finished_message( mbedtls_ssl_context *ssl )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char *buf;
size_t buf_len, msg_len;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished message" ) );
if( !ssl->handshake->state_local.finished_out.preparation_done )
{
MBEDTLS_SSL_PROC_CHK( ssl_tls13_prepare_finished_message( ssl ) );
ssl->handshake->state_local.finished_out.preparation_done = 1;
}
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_start_handshake_msg( ssl,
MBEDTLS_SSL_HS_FINISHED, &buf, &buf_len ) );
MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_finished_message_body(
ssl, buf, buf + buf_len, &msg_len ) );
mbedtls_ssl_tls1_3_add_hs_msg_to_checksum( ssl, MBEDTLS_SSL_HS_FINISHED,
buf, msg_len );
MBEDTLS_SSL_PROC_CHK( ssl_tls13_finalize_finished_message( ssl ) );
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_finish_handshake_msg( ssl,
buf_len, msg_len ) );
MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_flush_output( ssl ) );
cleanup:
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write finished message" ) );
return( ret );
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
#endif /* MBEDTLS_SSL_TLS_C */