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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef NET_QUIC_CRYPTO_COMMON_CERT_SET_H_
      6 #define NET_QUIC_CRYPTO_COMMON_CERT_SET_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/strings/string_piece.h"
     11 #include "net/base/net_export.h"
     12 #include "net/quic/crypto/crypto_protocol.h"
     13 
     14 namespace net {
     15 
     16 // CommonCertSets is an interface to an object that contains a number of common
     17 // certificate sets and can match against them.
     18 class NET_EXPORT_PRIVATE CommonCertSets {
     19  public:
     20   virtual ~CommonCertSets();
     21 
     22   // GetInstanceQUIC returns the standard QUIC common certificate sets.
     23   static const CommonCertSets* GetInstanceQUIC();
     24 
     25   // GetCommonHashes returns a StringPiece containing the hashes of common sets
     26   // supported by this object. The 64-bit hashes are concatenated in the
     27   // StringPiece.
     28   virtual base::StringPiece GetCommonHashes() const = 0;
     29 
     30   // GetCert returns a specific certificate (at index |index|) in the common
     31   // set identified by |hash|. If no such certificate is known, an empty
     32   // StringPiece is returned.
     33   virtual base::StringPiece GetCert(uint64 hash, uint32 index) const = 0;
     34 
     35   // MatchCert tries to find |cert| in one of the common certificate sets
     36   // identified by |common_set_hashes|. On success it puts the hash of the
     37   // set in |out_hash|, the index of |cert| in the set in |out_index| and
     38   // returns true. Otherwise it returns false.
     39   virtual bool MatchCert(base::StringPiece cert,
     40                          base::StringPiece common_set_hashes,
     41                          uint64* out_hash,
     42                          uint32* out_index) const = 0;
     43 };
     44 
     45 }  // namespace net
     46 
     47 #endif  // NET_QUIC_CRYPTO_COMMON_CERT_SET_H_
     48