diff --git a/library/ssl_tls.c b/library/ssl_tls.c index d6f826465..3b39ef2c9 100644 --- a/library/ssl_tls.c +++ b/library/ssl_tls.c @@ -2113,13 +2113,36 @@ static void ssl_swap_epochs( ssl_context *ssl ) SSL_DEBUG_MSG( 3, ( "swap epochs" ) ); + /* Swap transforms */ tmp_transform = ssl->transform_out; ssl->transform_out = ssl->handshake->alt_transform_out; ssl->handshake->alt_transform_out = tmp_transform; + /* Swap epoch + sequence_number */ memcpy( tmp_out_ctr, ssl->out_ctr, 8 ); memcpy( ssl->out_ctr, ssl->handshake->alt_out_ctr, 8 ); memcpy( ssl->handshake->alt_out_ctr, tmp_out_ctr, 8 ); + + /* Adjust to the newly activated transform */ + if( ssl->transform_out != NULL && + ssl->minor_ver >= SSL_MINOR_VERSION_2 ) + { + ssl->out_msg = ssl->out_iv + ssl->transform_out->ivlen - + ssl->transform_out->fixed_ivlen; + } + else + ssl->out_msg = ssl->out_iv; + +#if defined(POLARSSL_SSL_HW_RECORD_ACCEL) + if( ssl_hw_record_activate != NULL ) + { + if( ( ret = ssl_hw_record_activate( ssl, SSL_CHANNEL_OUTBOUND ) ) != 0 ) + { + SSL_DEBUG_RET( 1, "ssl_hw_record_activate", ret ); + return( POLARSSL_ERR_SSL_HW_ACCEL_FAILED ); + } + } +#endif } /* @@ -2148,6 +2171,15 @@ int ssl_resend( ssl_context *ssl ) int ret; ssl_flight_item *cur = ssl->handshake->cur_msg; + /* Swap epochs before sending Finished: we can't do it after + * sending ChangeCipherSpec, in case write returns WANT_READ. + * Must be done before copying, may change out_msg pointer */ + if( cur->type == SSL_MSG_HANDSHAKE && + cur->p[0] == SSL_HS_FINISHED ) + { + ssl_swap_epochs( ssl ); + } + memcpy( ssl->out_msg, cur->p, cur->len ); ssl->out_msglen = cur->len; ssl->out_msgtype = cur->type; @@ -2156,14 +2188,6 @@ int ssl_resend( ssl_context *ssl ) SSL_DEBUG_BUF( 3, "resent handshake message header", ssl->out_msg, 12 ); - /* Swap epochs before sending Finished: we can't do it right after - * sending ChangeCipherSpec, in case write returns WANT_READ */ - if( ssl->out_msgtype == SSL_MSG_HANDSHAKE && - ssl->out_msg[0] == SSL_HS_FINISHED ) - { - ssl_swap_epochs( ssl ); - } - if( ( ret = ssl_write_record( ssl ) ) != 0 ) { SSL_DEBUG_RET( 1, "ssl_write_record", ret );