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Assets/BestHTTP/SecureProtocol/crypto/signers/RandomDsaKCalculator.cs

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+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Security;
+
+namespace Org.BouncyCastle.Crypto.Signers
+{
+    public class RandomDsaKCalculator
+        :   IDsaKCalculator
+    {
+        private BigInteger q;
+        private SecureRandom random;
+
+        public virtual bool IsDeterministic
+        {
+            get { return false; }
+        }
+
+        public virtual void Init(BigInteger n, SecureRandom random)
+        {
+            this.q = n;
+            this.random = random;
+        }
+
+        public virtual void Init(BigInteger n, BigInteger d, byte[] message)
+        {
+            throw new InvalidOperationException("Operation not supported");
+        }
+
+        public virtual BigInteger NextK()
+        {
+            int qBitLength = q.BitLength;
+
+            BigInteger k;
+            do
+            {
+                k = new BigInteger(qBitLength, random);
+            }
+            while (k.SignValue < 1 || k.CompareTo(q) >= 0);
+
+            return k;
+        }
+    }
+}
+
+#endif