| // Copyright 2012 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Interface definition of a block cipher. A block cipher is a |
| * pair of algorithms that implement encryption and decryption of input bytes. |
| * |
| * @see http://en.wikipedia.org/wiki/Block_cipher |
| * |
| * @author nnaze@google.com (Nathan Naze) |
| */ |
| |
| goog.provide('goog.crypt.BlockCipher'); |
| |
| |
| |
| /** |
| * Interface definition for a block cipher. |
| * @interface |
| */ |
| goog.crypt.BlockCipher = function() {}; |
| |
| |
| /** |
| * Encrypt a plaintext block. The implementation may expect (and assert) |
| * a particular block length. |
| * @param {!Array<number>} input Plaintext array of input bytes. |
| * @return {!Array<number>} Encrypted ciphertext array of bytes. Should be the |
| * same length as input. |
| */ |
| goog.crypt.BlockCipher.prototype.encrypt; |
| |
| |
| /** |
| * Decrypt a plaintext block. The implementation may expect (and assert) |
| * a particular block length. |
| * @param {!Array<number>} input Ciphertext. Array of input bytes. |
| * @return {!Array<number>} Decrypted plaintext array of bytes. Should be the |
| * same length as input. |
| */ |
| goog.crypt.BlockCipher.prototype.decrypt; |