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

@@ -0,0 +1,37 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto
+{
+	/// <summary>
+	/// Base interface describing an entropy source for a DRBG.
+	/// </summary>
+	public interface IEntropySource
+	{
+		/// <summary>
+		/// Return whether or not this entropy source is regarded as prediction resistant.
+		/// </summary>
+		/// <value><c>true</c> if this instance is prediction resistant; otherwise, <c>false</c>.</value>
+		bool IsPredictionResistant { get; }
+
+		/// <summary>
+		/// Return a byte array of entropy.
+		/// </summary>
+		/// <returns>The entropy bytes.</returns>
+		byte[] GetEntropy();
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        int GetEntropy(Span<byte> output);
+#endif
+
+		/// <summary>
+		/// Return the number of bits of entropy this source can produce.
+		/// </summary>
+		/// <value>The size, in bits, of the return value of getEntropy.</value>
+		int EntropySize { get; }
+	}
+}
+
+#pragma warning restore
+#endif