add all

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

@@ -0,0 +1,34 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Security;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng
+{
+    public abstract class EntropyUtilities
+    {
+        /**
+         * Generate numBytes worth of entropy from the passed in entropy source.
+         *
+         * @param entropySource the entropy source to request the data from.
+         * @param numBytes the number of bytes of entropy requested.
+         * @return a byte array populated with the random data.
+         */
+        public static byte[] GenerateSeed(IEntropySource entropySource, int numBytes)
+        {
+            byte[] bytes = new byte[numBytes];
+            int count = 0;
+            while (count < numBytes)
+            {
+                byte[] entropy = entropySource.GetEntropy();
+                int toCopy = System.Math.Min(bytes.Length, numBytes - count);
+                Array.Copy(entropy, 0, bytes, count, toCopy);
+                count += toCopy;
+            }
+            return bytes;
+        }
+    }
+}
+#pragma warning restore
+#endif