Support the new TLS 1.2 HMAC-SHA256 cipher suites specified in

net/third_party/nss/ssl/sslt.h

 /*
  * This file contains prototypes for the public SSL functions.
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /* $Id$ */
 
 #ifndef __sslt_h_
 #define __sslt_h_
@@ skipping 84 matching lines @@
     ssl_calg_aes      = 7,      /* coming soon */
     ssl_calg_camellia = 8,
     ssl_calg_seed     = 9
 } SSLCipherAlgorithm;
 
 typedef enum { 
     ssl_mac_null      = 0, 
     ssl_mac_md5       = 1, 
     ssl_mac_sha       = 2, 
     ssl_hmac_md5      = 3,      /* TLS HMAC version of mac_md5 */
-    ssl_hmac_sha      = 4       /* TLS HMAC version of mac_sha */
+    ssl_hmac_sha      = 4,      /* TLS HMAC version of mac_sha */
+    ssl_hmac_sha256   = 5
 } SSLMACAlgorithm;
 
 typedef enum {
     ssl_compression_null = 0,
     ssl_compression_deflate = 1  /* RFC 3749 */
 } SSLCompressionMethod;
 
 typedef struct SSLChannelInfoStr {
     PRUint32             length;
     PRUint16             protocolVersion;
@@ skipping 81 matching lines @@
     ssl_use_srtp_xtn                 = 14,
     ssl_session_ticket_xtn           = 35,
     ssl_next_proto_nego_xtn          = 13172,
     ssl_channel_id_xtn               = 30031,
     ssl_renegotiation_info_xtn       = 0xff01   /* experimental number */
 } SSLExtensionType;
 
 #define SSL_MAX_EXTENSIONS             10
 
 #endif /* __sslt_h_ */