net: support SHA512 hashes in DNSSEC chains.

net/base/dns_util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_BASE_DNS_UTIL_H_
 #define NET_BASE_DNS_UTIL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 42 matching lines @@
 static const uint16 kDNS_RRSIG = 46;
 static const uint16 kDNS_DNSKEY = 48;
 static const uint16 kDNS_ANY = 0xff;
 static const uint16 kDNS_CAA = 257;
 static const uint16 kDNS_TESTING = 0xfffe;  // in private use area.
 
 // http://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml
 static const uint8 kDNSSEC_RSA_SHA1 = 5;
 static const uint8 kDNSSEC_RSA_SHA1_NSEC3 = 7;
 static const uint8 kDNSSEC_RSA_SHA256 = 8;
+static const uint8 kDNSSEC_RSA_SHA512 = 10;
 
 // RFC 4509
 static const uint8 kDNSSEC_SHA1 = 1;
 static const uint8 kDNSSEC_SHA256 = 2;
 
 // A Buffer is used for walking over a DNS response packet.
 class DnsResponseBuffer {
  public:
   DnsResponseBuffer(const uint8* p, unsigned len)
       : p_(p),
@@ skipping 19 matching lines @@
   unsigned len_;
   const unsigned packet_len_;
 
   DISALLOW_COPY_AND_ASSIGN(DnsResponseBuffer);
 };
 
 
 }  // namespace net
 
 #endif  // NET_BASE_DNS_UTIL_H_