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Assets/BestHTTP/SecureProtocol/crypto/IXof.cs

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+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+using System;
+
+namespace 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 method required to support variable output on a digest implementation.
+    /// </remarks>
+    public interface IXof
+        : IDigest
+    {
+        /// <summary>
+        /// Output the results of the final calculation for this digest 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 DoFinal(byte[] output, int outOff, int outLen);
+
+        /// <summary>
+        /// Start outputting the results of the final calculation for this digest. 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 DoOutput(byte[] output, int outOff, int outLen);
+    }
+}
+#endif