Re: [Patch 1/3] MdePkg/Tls1.h: Add TLS record header length and max payload length.

[Karunakar P <karunakarp@amiindia.co.in>]

Reviewed-by: Karunakar p <karunakarp@amiindia.co.in>


-----Original Message-----
From: Jiaxin Wu [mailto:jiaxin.wu@intel.com] 
Sent: Tuesday, March 20, 2018 6:07 AM
To: edk2-devel@lists.01.org
Cc: Karunakar P; Fu Siyuan; Ye Ting
Subject: [Patch 1/3] MdePkg/Tls1.h: Add TLS record header length and max payload length.

Cc: Karunakar P <karunakarp@amiindia.co.in>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
---
 MdePkg/Include/IndustryStandard/Tls1.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Include/IndustryStandard/Tls1.h b/MdePkg/Include/IndustryStandard/Tls1.h
index 9009291ee3..cccb6db7fb 100644
--- a/MdePkg/Include/IndustryStandard/Tls1.h
+++ b/MdePkg/Include/IndustryStandard/Tls1.h
@@ -1,11 +1,11 @@
 /** @file
   Transport Layer Security  -- TLS 1.0/1.1/1.2 Standard definitions, from RFC 2246/4346/5246
 
   This file contains common TLS 1.0/1.1/1.2 definitions from RFC 2246/4346/5246
 
-  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
   http://opensource.org/licenses/bsd-license.php
 
@@ -85,9 +85,23 @@ typedef struct {
   UINT8                   ContentType;
   EFI_TLS_VERSION         Version;
   UINT16                  Length;
 } TLS_RECORD_HEADER;
 
+#define TLS_RECORD_HEADER_LENGTH   5
+
+//
+// The length (in bytes) of the TLSPlaintext records payload MUST NOT exceed 2^14.
+// Refers to section 6.2 of RFC5246. 
+//
+#define TLS_PLAINTEXT_RECORD_MAX_PAYLOAD_LENGTH   16384
+
+//
+// The length (in bytes) of the TLSCiphertext records payload MUST NOT exceed 2^14 + 2048.
+// Refers to section 6.2 of RFC5246. 
+//
+#define TLS_CIPHERTEXT_RECORD_MAX_PAYLOAD_LENGTH   18432
+
 #pragma pack()
 
 #endif
 
-- 
2.16.2.windows.1