1 // Copyright 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_CERT_MULTI_LOG_CT_VERIFIER_H_ 6 #define NET_CERT_MULTI_LOG_CT_VERIFIER_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/memory/linked_ptr.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "base/memory/scoped_vector.h" 14 #include "net/base/net_export.h" 15 #include "net/cert/ct_verifier.h" 16 #include "net/cert/signed_certificate_timestamp.h" 17 18 namespace net { 19 20 namespace ct { 21 struct LogEntry; 22 } // namespace ct 23 24 class CTLogVerifier; 25 26 // A Certificate Transparency verifier that can verify Signed Certificate 27 // Timestamps from multiple logs. 28 // There should be a global instance of this class and for all known logs, 29 // AddLog should be called with a CTLogVerifier (which is created from the 30 // log's public key). 31 class NET_EXPORT MultiLogCTVerifier : public CTVerifier { 32 public: 33 MultiLogCTVerifier(); 34 virtual ~MultiLogCTVerifier(); 35 36 void AddLog(scoped_ptr<CTLogVerifier> log_verifier); 37 void AddLogs(ScopedVector<CTLogVerifier> log_verifiers); 38 39 // CTVerifier implementation: 40 virtual int Verify(X509Certificate* cert, 41 const std::string& stapled_ocsp_response, 42 const std::string& sct_list_from_tls_extension, 43 ct::CTVerifyResult* result, 44 const BoundNetLog& net_log) OVERRIDE; 45 46 private: 47 // Mapping from a log's ID to the verifier for this log. 48 // A log's ID is the SHA-256 of the log's key, as defined in section 3.2. 49 // of RFC6962. 50 typedef std::map<std::string, linked_ptr<CTLogVerifier> > IDToLogMap; 51 52 // Verify a list of SCTs from |encoded_sct_list| over |expected_entry|, 53 // placing the verification results in |result|. The SCTs in the list 54 // come from |origin| (as will be indicated in the origin field of each SCT). 55 bool VerifySCTs(const std::string& encoded_sct_list, 56 const ct::LogEntry& expected_entry, 57 ct::SignedCertificateTimestamp::Origin origin, 58 ct::CTVerifyResult* result); 59 60 // Verifies a single, parsed SCT against all logs. 61 bool VerifySingleSCT( 62 scoped_refptr<ct::SignedCertificateTimestamp> sct, 63 const ct::LogEntry& expected_entry, 64 ct::CTVerifyResult* result); 65 66 IDToLogMap logs_; 67 68 DISALLOW_COPY_AND_ASSIGN(MultiLogCTVerifier); 69 }; 70 71 } // namespace net 72 73 #endif // NET_CERT_MULTI_LOG_CT_VERIFIER_H_ 74