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: sdk/lib/crypto/hash_utils.dart

Issue 12817003: Change getRange to sublist. Make getRange deprecated. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed review comments Created 7 years, 9 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 | Annotate | Revision Log
OLDNEW
1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 part of dart.crypto; 5 part of dart.crypto;
6 6
7 // Constants. 7 // Constants.
8 const _MASK_8 = 0xff; 8 const _MASK_8 = 0xff;
9 const _MASK_32 = 0xffffffff; 9 const _MASK_32 = 0xffffffff;
10 const _BITS_PER_BYTE = 8; 10 const _BITS_PER_BYTE = 8;
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after
109 // chunk. 109 // chunk.
110 _iterate() { 110 _iterate() {
111 var len = _pendingData.length; 111 var len = _pendingData.length;
112 var chunkSizeInBytes = _chunkSizeInWords * _BYTES_PER_WORD; 112 var chunkSizeInBytes = _chunkSizeInWords * _BYTES_PER_WORD;
113 if (len >= chunkSizeInBytes) { 113 if (len >= chunkSizeInBytes) {
114 var index = 0; 114 var index = 0;
115 for (; (len - index) >= chunkSizeInBytes; index += chunkSizeInBytes) { 115 for (; (len - index) >= chunkSizeInBytes; index += chunkSizeInBytes) {
116 _bytesToChunk(_pendingData, index); 116 _bytesToChunk(_pendingData, index);
117 _updateHash(_currentChunk); 117 _updateHash(_currentChunk);
118 } 118 }
119 var remaining = len - index; 119 _pendingData = _pendingData.sublist(index, len);
120 _pendingData = _pendingData.getRange(index, remaining);
121 } 120 }
122 } 121 }
123 122
124 // Finalize the data. Add a 1 bit to the end of the message. Expand with 123 // Finalize the data. Add a 1 bit to the end of the message. Expand with
125 // 0 bits and add the length of the message. 124 // 0 bits and add the length of the message.
126 _finalizeData() { 125 _finalizeData() {
127 _pendingData.add(0x80); 126 _pendingData.add(0x80);
128 var contentsLength = _lengthInBytes + 9; 127 var contentsLength = _lengthInBytes + 9;
129 var chunkSizeInBytes = _chunkSizeInWords * _BYTES_PER_WORD; 128 var chunkSizeInBytes = _chunkSizeInWords * _BYTES_PER_WORD;
130 var finalizedLength = _roundUp(contentsLength, chunkSizeInBytes); 129 var finalizedLength = _roundUp(contentsLength, chunkSizeInBytes);
(...skipping 15 matching lines...) Expand all
146 // Hasher state. 145 // Hasher state.
147 final int _chunkSizeInWords; 146 final int _chunkSizeInWords;
148 final int _digestSizeInWords; 147 final int _digestSizeInWords;
149 final bool _bigEndianWords; 148 final bool _bigEndianWords;
150 int _lengthInBytes = 0; 149 int _lengthInBytes = 0;
151 List<int> _pendingData; 150 List<int> _pendingData;
152 List<int> _currentChunk; 151 List<int> _currentChunk;
153 List<int> _h; 152 List<int> _h;
154 bool _digestCalled = false; 153 bool _digestCalled = false;
155 } 154 }
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698