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      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_CT_OBJECTS_EXTRACTOR_H_
      6 #define NET_CERT_CT_OBJECTS_EXTRACTOR_H_
      7 
      8 #include <string>
      9 
     10 #include "net/base/net_export.h"
     11 #include "net/cert/x509_certificate.h"
     12 
     13 namespace net {
     14 
     15 namespace ct {
     16 
     17 struct LogEntry;
     18 
     19 // Extracts a SignedCertificateTimestampList that has been embedded within a
     20 // leaf cert as an X.509v3 extension with the OID 1.3.6.1.4.1.11129.2.4.2.
     21 // If the extension is present, returns true, updating |*sct_list| to contain
     22 // the encoded list, minus the DER encoding necessary for the extension.
     23 // |*sct_list| can then be further decoded with ct::DecodeSCTList
     24 NET_EXPORT_PRIVATE bool ExtractEmbeddedSCTList(
     25     X509Certificate::OSCertHandle cert,
     26     std::string* sct_list);
     27 
     28 // Obtains a PrecertChain log entry for |leaf|, an X.509v3 certificate that
     29 // contains an X.509v3 extension with the OID 1.3.6.1.4.1.11129.2.4.2. On
     30 // success, fills |*result| with the data for a PrecertChain log entry and
     31 // returns true.
     32 // The filled |*result| should be verified using ct::CTLogVerifier::Verify
     33 // Note: If |leaf| does not contain the required extension, it is treated as
     34 // a failure.
     35 NET_EXPORT_PRIVATE bool GetPrecertLogEntry(X509Certificate::OSCertHandle leaf,
     36                                            X509Certificate::OSCertHandle issuer,
     37                                            LogEntry* result);
     38 
     39 // Obtains an X509Chain log entry for |leaf|, an X.509v3 certificate that
     40 // is not expected to contain an X.509v3 extension with the OID
     41 // 1.3.6.1.4.1.11129.2.4.2 (meaning a certificate without an embedded SCT).
     42 // On success, fills |result| with the data for an X509Chain log entry and
     43 // returns true.
     44 // The filled |*result| should be verified using ct::CTLogVerifier::Verify
     45 NET_EXPORT_PRIVATE bool GetX509LogEntry(X509Certificate::OSCertHandle leaf,
     46                                         LogEntry* result);
     47 
     48 // Extracts a SignedCertificateTimestampList that has been embedded within
     49 // an OCSP response as an extension with the OID 1.3.6.1.4.1.11129.2.4.5.
     50 // If the extension is present, and the response matches the issuer and
     51 // serial number, returns true, updating |*sct_list| to contain
     52 // the encoded list, minus the DER encoding necessary for the extension.
     53 // |*sct_list| can then be further decoded with ct::DecodeSCTList.
     54 NET_EXPORT_PRIVATE bool ExtractSCTListFromOCSPResponse(
     55     X509Certificate::OSCertHandle issuer,
     56     const std::string& cert_serial_number,
     57     const std::string& ocsp_response,
     58     std::string* sct_list);
     59 
     60 }  // namespace ct
     61 
     62 }  // namespace net
     63 
     64 #endif  // NET_CERT_CT_OBJECTS_EXTRACTOR_H_
     65