84 lines
3.3 KiB
Haxe
84 lines
3.3 KiB
Haxe
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/*
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* Copyright (C)2014-2020 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package js.node.crypto;
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import js.node.Buffer;
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/**
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Class for decrypting data.
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Returned by `Crypto.createDecipher` and `Crypto.createDecipheriv`.
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Decipher objects are streams that are both readable and writable.
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The written enciphered data is used to produce the plain-text data on the the readable side.
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The legacy `update` and `final` methods are also supported.
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**/
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extern class Decipher extends js.node.stream.Transform<Decipher> {
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/**
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Updates the decipher with `data`, which is encoded in 'binary', 'base64' or 'hex'.
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If no encoding is provided, then a buffer is expected.
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The `output_decoding` specifies in what format to return the deciphered plaintext: 'binary', 'ascii' or 'utf8'.
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If no encoding is provided, then a buffer is returned.
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**/
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@:overload(function(data:Buffer):Buffer {})
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@:overload(function(data:String, input_encoding:String):Buffer {})
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function update(data:String, input_encoding:String, output_encoding:String):String;
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/**
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Returns any remaining plaintext which is deciphered,
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with `output_encoding` being one of: 'binary', 'ascii' or 'utf8'.
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If no encoding is provided, then a buffer is returned.
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Note: decipher object can not be used after `final` method has been called.
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**/
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@:native("final") @:overload(function():Buffer {})
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function finalContents(output_encoding:String):String;
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/**
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You can disable auto padding if the data has been encrypted without standard block padding
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to prevent `final` from checking and removing it.
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Can only work if the input data's length is a multiple of the ciphers block size.
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You must call this before streaming data to `update`.
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**/
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@:overload(function():Void {})
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function setAutoPadding(auto_padding:Bool):Void;
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/**
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For authenticated encryption modes (currently supported: GCM), this method must be used
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to pass in the received authentication tag. If no tag is provided or if the ciphertext
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has been tampered with, `final` will throw, thus indicating that the ciphertext should be
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discarded due to failed authentication.
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**/
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function setAuthTag(buffer:Buffer):Void;
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/**
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For authenticated encryption modes (currently supported: GCM), this method sets the value
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used for the additional authenticated data (AAD) input parameter.
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**/
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function setAAD(buffer:Buffer):Void;
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}
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