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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/IXof.cs

@@ -0,0 +1,54 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto
+{
+    /// <remarks>
+    /// With FIPS PUB 202 a new kind of message digest was announced which supported extendable output, or variable digest sizes.
+    /// This interface provides the extra methods required to support variable output on a digest implementation.
+    /// </remarks>
+    public interface IXof
+        : IDigest
+    {
+        /// <summary>
+        /// Output the results of the final calculation for this XOF to outLen number of bytes.
+        /// </summary>
+        /// <param name="output">output array to write the output bytes to.</param>
+        /// <param name="outOff">offset to start writing the bytes at.</param>
+        /// <param name="outLen">the number of output bytes requested.</param>
+        /// <returns>the number of bytes written</returns>
+        int OutputFinal(byte[] output, int outOff, int outLen);
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        /// <summary>
+        /// Output the results of the final calculation for this XOF to fill the output span.
+        /// </summary>
+        /// <param name="output">span to fill with the output bytes.</param>
+        /// <returns>the number of bytes written</returns>
+        int OutputFinal(Span<byte> output);
+#endif
+
+        /// <summary>
+        /// Start outputting the results of the final calculation for this XOF. Unlike DoFinal, this method
+        /// will continue producing output until the XOF is explicitly reset, or signals otherwise.
+        /// </summary>
+        /// <param name="output">output array to write the output bytes to.</param>
+        /// <param name="outOff">offset to start writing the bytes at.</param>
+        /// <param name="outLen">the number of output bytes requested.</param>
+        /// <returns>the number of bytes written</returns>
+        int Output(byte[] output, int outOff, int outLen);
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        /// <summary>
+        /// Start outputting the results of the final calculation for this XOF. Unlike OutputFinal, this method
+        /// will continue producing output until the XOF is explicitly reset, or signals otherwise.
+        /// </summary>
+        /// <param name="output">span to fill with the output bytes.</param>
+        /// <returns>the number of bytes written</returns>
+        int Output(Span<byte> output);
+#endif
+    }
+}
+#pragma warning restore
+#endif