- Initial commit

Runtime/3rdParty/BouncyCastle/crypto/prng/drbg/ISP80090Drbg.cs

@@ -0,0 +1,49 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg
+{
+	/**
+	 * Interface to SP800-90A deterministic random bit generators.
+	 */
+	public interface ISP80090Drbg
+	{
+	    /**
+	     * Return the block size of the DRBG.
+	     *
+	     * @return the block size (in bits) produced by each round of the DRBG.
+	     */
+		int BlockSize { get; }
+
+        /**
+	     * Populate a passed in array with random data.
+	     *
+	     * @param output output array for generated bits.
+	     * @param additionalInput additional input to be added to the DRBG in this step.
+	     * @param predictionResistant true if a reseed should be forced, false otherwise.
+	     *
+	     * @return number of bits generated, -1 if a reseed required.
+	     */
+        int Generate(byte[] output, int outputOff, int outputLen, byte[] additionalInput, bool predictionResistant);
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        int Generate(Span<byte> output, bool predictionResistant);
+
+        int GenerateWithInput(Span<byte> output, ReadOnlySpan<byte> additionalInput, bool predictionResistant);
+#endif
+
+        /**
+	     * Reseed the DRBG.
+	     *
+	     * @param additionalInput additional input to be added to the DRBG in this step.
+	     */
+        void Reseed(byte[] additionalInput);
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        void Reseed(ReadOnlySpan<byte> additionalInput);
+#endif
+    }
+}
+#pragma warning restore
+#endif