- Initial commit

Runtime/3rdParty/BouncyCastle/crypto/parameters/NaccacheSternKeyGenerationParameters.cs

@@ -0,0 +1,70 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Math;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Security;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters
+{
+	/**
+	 * Parameters for NaccacheStern public private key generation. For details on
+	 * this cipher, please see
+	 *
+	 * http://www.gemplus.com/smart/rd/publications/pdf/NS98pkcs.pdf
+	 */
+	public class NaccacheSternKeyGenerationParameters : KeyGenerationParameters
+	{
+		// private BigInteger publicExponent;
+		private readonly int certainty;
+		private readonly int countSmallPrimes;
+
+        /**
+		 * Parameters for generating a NaccacheStern KeyPair.
+		 *
+		 * @param random
+		 *            The source of randomness
+		 * @param strength
+		 *            The desired strength of the Key in Bits
+		 * @param certainty
+		 *            the probability that the generated primes are not really prime
+		 *            as integer: 2^(-certainty) is then the probability
+		 * @param countSmallPrimes
+		 *            How many small key factors are desired
+		 */
+		public NaccacheSternKeyGenerationParameters(
+			SecureRandom	random,
+			int				strength,
+			int				certainty,
+			int				countSmallPrimes)
+            : base(random, strength)
+        {
+            if (countSmallPrimes % 2 == 1)
+                throw new ArgumentException("countSmallPrimes must be a multiple of 2");
+            if (countSmallPrimes < 30)
+                throw new ArgumentException("countSmallPrimes must be >= 30 for security reasons");
+
+            this.certainty = certainty;
+            this.countSmallPrimes = countSmallPrimes;
+        }
+
+		/**
+		 * @return Returns the certainty.
+		 */
+		public int Certainty
+		{
+			get { return certainty; }
+		}
+
+		/**
+		 * @return Returns the countSmallPrimes.
+		 */
+		public int CountSmallPrimes
+		{
+			get { return countSmallPrimes; }
+		}
+	}
+}
+#pragma warning restore
+#endif