| OLD | NEW |
| 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 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; |
| 11 const _BYTES_PER_WORD = 4; | 11 const _BYTES_PER_WORD = 4; |
| 12 | 12 |
| 13 // Helper functions used by more than one hasher. | 13 // Helper functions used by more than one hasher. |
| 14 | 14 |
| 15 // Rotate left limiting to unsigned 32-bit values. | 15 // Rotate left limiting to unsigned 32-bit values. |
| (...skipping 10 matching lines...) Expand all Loading... |
| 26 int this._digestSizeInWords, | 26 int this._digestSizeInWords, |
| 27 bool this._bigEndianWords) | 27 bool this._bigEndianWords) |
| 28 : _pendingData = [] { | 28 : _pendingData = [] { |
| 29 _currentChunk = new List(_chunkSizeInWords); | 29 _currentChunk = new List(_chunkSizeInWords); |
| 30 _h = new List(_digestSizeInWords); | 30 _h = new List(_digestSizeInWords); |
| 31 } | 31 } |
| 32 | 32 |
| 33 // Update the hasher with more data. | 33 // Update the hasher with more data. |
| 34 add(List<int> data) { | 34 add(List<int> data) { |
| 35 if (_digestCalled) { | 35 if (_digestCalled) { |
| 36 throw new HashException( | 36 throw new StateError( |
| 37 'Hash update method called after digest was retrieved'); | 37 'Hash update method called after digest was retrieved'); |
| 38 } | 38 } |
| 39 _lengthInBytes += data.length; | 39 _lengthInBytes += data.length; |
| 40 _pendingData.addAll(data); | 40 _pendingData.addAll(data); |
| 41 _iterate(); | 41 _iterate(); |
| 42 } | 42 } |
| 43 | 43 |
| 44 // Finish the hash computation and return the digest string. | 44 // Finish the hash computation and return the digest string. |
| 45 List<int> close() { | 45 List<int> close() { |
| 46 if (_digestCalled) { | 46 if (_digestCalled) { |
| (...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 145 // Hasher state. | 145 // Hasher state. |
| 146 final int _chunkSizeInWords; | 146 final int _chunkSizeInWords; |
| 147 final int _digestSizeInWords; | 147 final int _digestSizeInWords; |
| 148 final bool _bigEndianWords; | 148 final bool _bigEndianWords; |
| 149 int _lengthInBytes = 0; | 149 int _lengthInBytes = 0; |
| 150 List<int> _pendingData; | 150 List<int> _pendingData; |
| 151 List<int> _currentChunk; | 151 List<int> _currentChunk; |
| 152 List<int> _h; | 152 List<int> _h; |
| 153 bool _digestCalled = false; | 153 bool _digestCalled = false; |
| 154 } | 154 } |
| OLD | NEW |