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/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @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
*/
goog.provide('goog.crypt.BlockCipher');
/**
* Interface definition for a block cipher.
* @interface
*/
goog.crypt.BlockCipher = function() {};
/**
* Block size, in bytes.
* @type {number}
* @const
* @public
*/
goog.crypt.BlockCipher.prototype.BLOCK_SIZE;
/**
* Encrypt a plaintext block. The implementation may expect (and assert)
* a particular block length.
* @param {!Array<number>|!Uint8Array} 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>|!Uint8Array} 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;
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