OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "net/base/hash_value.h" | 5 #include "net/base/hash_value.h" |
6 | 6 |
7 #include "base/base64.h" | 7 #include "base/base64.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/sha1.h" | 9 #include "base/sha1.h" |
10 #include "base/strings/string_split.h" | 10 #include "base/strings/string_split.h" |
11 #include "base/strings/string_util.h" | 11 #include "base/strings/string_util.h" |
12 | 12 |
13 namespace net { | 13 namespace net { |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 // CompareSHA1Hashes is a helper function for using bsearch() with an array of | 17 // CompareSHA1Hashes is a helper function for using bsearch() with an array of |
18 // SHA1 hashes. | 18 // SHA1 hashes. |
19 int CompareSHA1Hashes(const void* a, const void* b) { | 19 int CompareSHA1Hashes(const void* a, const void* b) { |
20 return memcmp(a, b, base::kSHA1Length); | 20 return memcmp(a, b, base::kSHA1Length); |
21 } | 21 } |
22 | 22 |
23 } // namespace | 23 } // namespace |
24 | 24 |
25 | |
26 bool SHA1HashValue::Equals(const SHA1HashValue& other) const { | 25 bool SHA1HashValue::Equals(const SHA1HashValue& other) const { |
27 return memcmp(data, other.data, sizeof(data)) == 0; | 26 return memcmp(data, other.data, sizeof(data)) == 0; |
28 } | 27 } |
29 | 28 |
30 bool SHA256HashValue::Equals(const SHA256HashValue& other) const { | 29 bool SHA256HashValue::Equals(const SHA256HashValue& other) const { |
31 return memcmp(data, other.data, sizeof(data)) == 0; | 30 return memcmp(data, other.data, sizeof(data)) == 0; |
32 } | 31 } |
33 | 32 |
34 bool HashValue::Equals(const HashValue& other) const { | 33 bool HashValue::Equals(const HashValue& other) const { |
35 if (tag != other.tag) | 34 if (tag != other.tag) |
(...skipping 24 matching lines...) Expand all Loading... |
60 std::string decoded; | 59 std::string decoded; |
61 if (!base::Base64Decode(base64_str, &decoded) || decoded.size() != size()) | 60 if (!base::Base64Decode(base64_str, &decoded) || decoded.size() != size()) |
62 return false; | 61 return false; |
63 | 62 |
64 memcpy(data(), decoded.data(), size()); | 63 memcpy(data(), decoded.data(), size()); |
65 return true; | 64 return true; |
66 } | 65 } |
67 | 66 |
68 std::string HashValue::ToString() const { | 67 std::string HashValue::ToString() const { |
69 std::string base64_str; | 68 std::string base64_str; |
70 base::Base64Encode(base::StringPiece(reinterpret_cast<const char*>(data()), | 69 base::Base64Encode( |
71 size()), &base64_str); | 70 base::StringPiece(reinterpret_cast<const char*>(data()), size()), |
| 71 &base64_str); |
72 switch (tag) { | 72 switch (tag) { |
73 case HASH_VALUE_SHA1: | 73 case HASH_VALUE_SHA1: |
74 return std::string("sha1/") + base64_str; | 74 return std::string("sha1/") + base64_str; |
75 case HASH_VALUE_SHA256: | 75 case HASH_VALUE_SHA256: |
76 return std::string("sha256/") + base64_str; | 76 return std::string("sha256/") + base64_str; |
77 default: | 77 default: |
78 NOTREACHED() << "Unknown HashValueTag " << tag; | 78 NOTREACHED() << "Unknown HashValueTag " << tag; |
79 return std::string("unknown/" + base64_str); | 79 return std::string("unknown/" + base64_str); |
80 } | 80 } |
81 } | 81 } |
82 | 82 |
83 size_t HashValue::size() const { | 83 size_t HashValue::size() const { |
84 switch (tag) { | 84 switch (tag) { |
85 case HASH_VALUE_SHA1: | 85 case HASH_VALUE_SHA1: |
86 return sizeof(fingerprint.sha1.data); | 86 return sizeof(fingerprint.sha1.data); |
87 case HASH_VALUE_SHA256: | 87 case HASH_VALUE_SHA256: |
88 return sizeof(fingerprint.sha256.data); | 88 return sizeof(fingerprint.sha256.data); |
89 default: | 89 default: |
(...skipping 19 matching lines...) Expand all Loading... |
109 NOTREACHED() << "Unknown HashValueTag " << tag; | 109 NOTREACHED() << "Unknown HashValueTag " << tag; |
110 return NULL; | 110 return NULL; |
111 } | 111 } |
112 } | 112 } |
113 | 113 |
114 bool IsSHA1HashInSortedArray(const SHA1HashValue& hash, | 114 bool IsSHA1HashInSortedArray(const SHA1HashValue& hash, |
115 const uint8* array, | 115 const uint8* array, |
116 size_t array_byte_len) { | 116 size_t array_byte_len) { |
117 DCHECK_EQ(0u, array_byte_len % base::kSHA1Length); | 117 DCHECK_EQ(0u, array_byte_len % base::kSHA1Length); |
118 const size_t arraylen = array_byte_len / base::kSHA1Length; | 118 const size_t arraylen = array_byte_len / base::kSHA1Length; |
119 return NULL != bsearch(hash.data, array, arraylen, base::kSHA1Length, | 119 return NULL != |
120 CompareSHA1Hashes); | 120 bsearch( |
| 121 hash.data, array, arraylen, base::kSHA1Length, CompareSHA1Hashes); |
121 } | 122 } |
122 | 123 |
123 } // namespace net | 124 } // namespace net |
OLD | NEW |