Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(193)

Side by Side Diff: components/user_prefs/tracked/pref_hash_calculator.cc

Issue 1549993003: Switch to standard integer types in components/, part 4 of 4. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 12 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
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 #include "components/user_prefs/tracked/pref_hash_calculator.h" 5 #include "components/user_prefs/tracked/pref_hash_calculator.h"
6 6
7 #include <stdint.h>
8
7 #include <vector> 9 #include <vector>
8 10
9 #include "base/bind.h" 11 #include "base/bind.h"
10 #include "base/json/json_string_value_serializer.h" 12 #include "base/json/json_string_value_serializer.h"
11 #include "base/logging.h" 13 #include "base/logging.h"
12 #include "base/strings/string_number_conversions.h" 14 #include "base/strings/string_number_conversions.h"
13 #include "base/strings/string_util.h" 15 #include "base/strings/string_util.h"
14 #include "base/values.h" 16 #include "base/values.h"
15 #include "crypto/hmac.h" 17 #include "crypto/hmac.h"
16 18
17 namespace { 19 namespace {
18 20
19 // Calculates an HMAC of |message| using |key|, encoded as a hexadecimal string. 21 // Calculates an HMAC of |message| using |key|, encoded as a hexadecimal string.
20 std::string GetDigestString(const std::string& key, 22 std::string GetDigestString(const std::string& key,
21 const std::string& message) { 23 const std::string& message) {
22 crypto::HMAC hmac(crypto::HMAC::SHA256); 24 crypto::HMAC hmac(crypto::HMAC::SHA256);
23 std::vector<uint8> digest(hmac.DigestLength()); 25 std::vector<uint8_t> digest(hmac.DigestLength());
24 if (!hmac.Init(key) || !hmac.Sign(message, &digest[0], digest.size())) { 26 if (!hmac.Init(key) || !hmac.Sign(message, &digest[0], digest.size())) {
25 NOTREACHED(); 27 NOTREACHED();
26 return std::string(); 28 return std::string();
27 } 29 }
28 return base::HexEncode(&digest[0], digest.size()); 30 return base::HexEncode(&digest[0], digest.size());
29 } 31 }
30 32
31 // Verifies that |digest_string| is a valid HMAC of |message| using |key|. 33 // Verifies that |digest_string| is a valid HMAC of |message| using |key|.
32 // |digest_string| must be encoded as a hexadecimal string. 34 // |digest_string| must be encoded as a hexadecimal string.
33 bool VerifyDigestString(const std::string& key, 35 bool VerifyDigestString(const std::string& key,
34 const std::string& message, 36 const std::string& message,
35 const std::string& digest_string) { 37 const std::string& digest_string) {
36 crypto::HMAC hmac(crypto::HMAC::SHA256); 38 crypto::HMAC hmac(crypto::HMAC::SHA256);
37 std::vector<uint8> digest; 39 std::vector<uint8_t> digest;
38 return base::HexStringToBytes(digest_string, &digest) && hmac.Init(key) && 40 return base::HexStringToBytes(digest_string, &digest) && hmac.Init(key) &&
39 hmac.Verify(message, 41 hmac.Verify(message,
40 base::StringPiece(reinterpret_cast<char*>(&digest[0]), 42 base::StringPiece(reinterpret_cast<char*>(&digest[0]),
41 digest.size())); 43 digest.size()));
42 } 44 }
43 45
44 // Renders |value| as a string. |value| may be NULL, in which case the result 46 // Renders |value| as a string. |value| may be NULL, in which case the result
45 // is an empty string. This method can be expensive and its result should be 47 // is an empty string. This method can be expensive and its result should be
46 // re-used rather than recomputed where possible. 48 // re-used rather than recomputed where possible.
47 std::string ValueAsString(const base::Value* value) { 49 std::string ValueAsString(const base::Value* value) {
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
116 digest_string)) { 118 digest_string)) {
117 return VALID; 119 return VALID;
118 } 120 }
119 if (VerifyDigestString(seed_, 121 if (VerifyDigestString(seed_,
120 GetMessage(legacy_device_id_, path, value_as_string), 122 GetMessage(legacy_device_id_, path, value_as_string),
121 digest_string)) { 123 digest_string)) {
122 return VALID_SECURE_LEGACY; 124 return VALID_SECURE_LEGACY;
123 } 125 }
124 return INVALID; 126 return INVALID;
125 } 127 }
OLDNEW
« no previous file with comments | « components/user_prefs/tracked/pref_hash_calculator.h ('k') | components/user_prefs/tracked/pref_hash_calculator_unittest.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698