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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_CERT_CT_LOG_VERIFIER_H_ | 5 #ifndef NET_CERT_CT_LOG_VERIFIER_H_ |
6 #define NET_CERT_CT_LOG_VERIFIER_H_ | 6 #define NET_CERT_CT_LOG_VERIFIER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/strings/string_piece.h" | 12 #include "base/strings/string_piece.h" |
13 #include "net/base/net_export.h" | 13 #include "net/base/net_export.h" |
14 #include "net/cert/signed_certificate_timestamp.h" | 14 #include "net/cert/signed_certificate_timestamp.h" |
15 | 15 |
16 // Forward declare the crypto types to avoid having to include the full | 16 // Forward declare the crypto types to avoid having to include the full |
17 // headers. | 17 // headers. |
18 #if defined(USE_OPENSSL) | 18 #if defined(USE_OPENSSL) |
19 typedef struct evp_pkey_st EVP_PKEY; | 19 typedef struct evp_pkey_st EVP_PKEY; |
20 #else | 20 #else |
21 typedef struct SECKEYPublicKeyStr SECKEYPublicKey; | 21 typedef struct SECKEYPublicKeyStr SECKEYPublicKey; |
22 #endif | 22 #endif |
23 | 23 |
24 namespace net { | 24 namespace net { |
25 | 25 |
26 // Class for verifying Signed Certificate Timestamps (SCTs) provided by a | 26 // Class for verifying Signed Certificate Timestamps (SCTs) provided by a |
27 // specific log (whose identity is provided during construction). | 27 // specific log (whose identity is provided during construction). |
28 class NET_EXPORT CTLogVerifier { | 28 class NET_EXPORT CTLogVerifier { |
29 public: | 29 public: |
| 30 enum VerifyResult { |
| 31 SCT_VERIFIED_OK = 0, |
| 32 SCT_NOT_FROM_THIS_LOG = 1, |
| 33 SCT_ALGORITHM_MISMATCH = 2, |
| 34 SCT_DATA_SERIALIZATION_FAILED = 3, |
| 35 SCT_VERIFICATION_FAILED = 4, |
| 36 }; |
| 37 |
30 // Creates a new CTLogVerifier that will verify SignedCertificateTimestamps | 38 // Creates a new CTLogVerifier that will verify SignedCertificateTimestamps |
31 // using |public_key|, which is a DER-encoded SubjectPublicKeyInfo. | 39 // using |public_key|, which is a DER-encoded SubjectPublicKeyInfo. |
32 // If |public_key| refers to an unsupported public key, returns NULL. | 40 // If |public_key| refers to an unsupported public key, returns NULL. |
33 // |description| is a textual description of the log. | 41 // |description| is a textual description of the log. |
34 static scoped_ptr<CTLogVerifier> Create( | 42 static scoped_ptr<CTLogVerifier> Create( |
35 const base::StringPiece& public_key, | 43 const base::StringPiece& public_key, |
36 const base::StringPiece& description); | 44 const base::StringPiece& description); |
37 | 45 |
38 ~CTLogVerifier(); | 46 ~CTLogVerifier(); |
39 | 47 |
40 // Returns the log's key ID (RFC6962, Section 3.2) | 48 // Returns the log's key ID (RFC6962, Section 3.2) |
41 const std::string& key_id() const { return key_id_; } | 49 const std::string& key_id() const { return key_id_; } |
42 // Returns the log's human-readable description. | 50 // Returns the log's human-readable description. |
43 const std::string& description() const { return description_; } | 51 const std::string& description() const { return description_; } |
44 | 52 |
45 // Verifies that |sct| contains a valid signature for |entry|. | 53 // Verifies that |sct| contains a valid signature for |entry|. |
46 bool Verify(const ct::LogEntry& entry, | 54 VerifyResult Verify(const ct::LogEntry& entry, |
47 const ct::SignedCertificateTimestamp& sct); | 55 const ct::SignedCertificateTimestamp& sct); |
48 | 56 |
49 private: | 57 private: |
50 FRIEND_TEST_ALL_PREFIXES(CTLogVerifierTest, VerifySignature); | 58 FRIEND_TEST_ALL_PREFIXES(CTLogVerifierTest, VerifySignature); |
51 | 59 |
52 CTLogVerifier(); | 60 CTLogVerifier(); |
53 | 61 |
54 // Performs crypto-library specific initialization. | 62 // Performs crypto-library specific initialization. |
55 bool Init(const base::StringPiece& public_key, | 63 bool Init(const base::StringPiece& public_key, |
56 const base::StringPiece& description); | 64 const base::StringPiece& description); |
57 | 65 |
(...skipping 11 matching lines...) Expand all Loading... |
69 #if defined(USE_OPENSSL) | 77 #if defined(USE_OPENSSL) |
70 EVP_PKEY* public_key_; | 78 EVP_PKEY* public_key_; |
71 #else | 79 #else |
72 SECKEYPublicKey* public_key_; | 80 SECKEYPublicKey* public_key_; |
73 #endif | 81 #endif |
74 }; | 82 }; |
75 | 83 |
76 } // namespace net | 84 } // namespace net |
77 | 85 |
78 #endif // NET_CERT_CT_LOG_VERIFIER_H_ | 86 #endif // NET_CERT_CT_LOG_VERIFIER_H_ |
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