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Kha/Backends/Node/js/node/crypto/Cipher.hx

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+/*
+ * Copyright (C)2014-2020 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+package js.node.crypto;
+
+import js.node.Buffer;
+
+/**
+	Class for encrypting data.
+
+	Returned by `Crypto.createCipher` and `Crypto.createCipheriv`.
+
+	Cipher objects are streams that are both readable and writable.
+	The written plain text data is used to produce the encrypted data on the readable side.
+
+	The legacy `update` and `final` methods are also supported.
+**/
+extern class Cipher extends js.node.stream.Transform<Cipher> {
+	/**
+		Updates the cipher with `data`, the encoding of which is given in `input_encoding`
+		and can be 'utf8', 'ascii' or 'binary'. If no encoding is provided, then a buffer is expected.
+		If data is a Buffer then `input_encoding` is ignored.
+
+		The `output_encoding` specifies the output format of the enciphered data,
+		and can be 'binary', 'base64' or 'hex'. If no encoding is provided, then a buffer is returned.
+
+		Returns the enciphered contents, and can be called many times with new data as it is streamed.
+	**/
+	@:overload(function(data:Buffer):Buffer {})
+	@:overload(function(data:String, input_encoding:String):Buffer {})
+	function update(data:String, input_encoding:String, output_encoding:String):String;
+
+	/**
+		Returns any remaining enciphered contents, with `output_encoding` being one of: 'binary', 'base64' or 'hex'.
+		If no encoding is provided, then a buffer is returned.
+
+		Note: cipher object can not be used after `final` method has been called.
+	**/
+	@:native("final") @:overload(function():Buffer {})
+	function finalContents(output_encoding:String):String;
+
+	/**
+		You can disable automatic padding of the input data to block size.
+		If `auto_padding` is false, the length of the entire input data
+		must be a multiple of the cipher's block size or `final` will fail.
+
+		Useful for non-standard padding, e.g. using 0x0 instead of PKCS padding.
+		You must call this before `final`.
+	**/
+	@:overload(function():Void {})
+	function setAutoPadding(auto_padding:Bool):Void;
+
+	/**
+		For authenticated encryption modes (currently supported: GCM), this method returns a `Buffer`
+		that represents the authentication tag that has been computed from the given data.
+		Should be called after encryption has been completed using the `final` method!
+	**/
+	function getAuthTag():Buffer;
+
+	/**
+		For authenticated encryption modes (currently supported: GCM), this method sets the value
+		used for the additional authenticated data (AAD) input parameter.
+	**/
+	function setAAD(buffer:Buffer):Void;
+}