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Kha/Backends/Node/js/node/crypto/Hmac.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 creating cryptographic hmac content.
+
+	It is a stream that is both readable and writable. The written data is used to compute the hmac.
+	Once the writable side of the stream is ended, use the `read` method to get the computed digest.
+
+	The legacy `update` and `digest` methods are also supported.
+
+	Returned by `Crypto.createHmac`.
+**/
+extern class Hmac extends js.node.stream.Transform<Hmac> {
+	/**
+		Update the hmac content with the given data.
+
+		This can be called many times with new data as it is streamed.
+	**/
+	@:overload(function(data:Buffer):Hmac {})
+	function update(data:String, ?input_encoding:String):Hmac;
+
+	/**
+		Calculates the digest of all of the passed data to the hmac.
+		The `encoding` can be 'hex', 'binary' or 'base64'.
+		If no `encoding` is provided, then a buffer is returned.
+
+		Note: hmac object can not be used after `digest` method has been called.
+	**/
+	@:overload(function():Buffer {})
+	function digest(encoding:String):String;
+}