Initial Commit

iTechSharp/srcbc/crypto/KeyGenerationParameters.cs

@@ -0,0 +1,55 @@
+using System;
+using Org.BouncyCastle.Security;
+
+namespace Org.BouncyCastle.Crypto
+{
+    /**
+     * The base class for parameters to key generators.
+     */
+    public class KeyGenerationParameters
+    {
+        private SecureRandom	random;
+        private int				strength;
+
+        /**
+         * initialise the generator with a source of randomness
+         * and a strength (in bits).
+         *
+         * @param random the random byte source.
+         * @param strength the size, in bits, of the keys we want to produce.
+         */
+        public KeyGenerationParameters(
+            SecureRandom	random,
+            int				strength)
+        {
+			if (random == null)
+				throw new ArgumentNullException("random");
+			if (strength < 1)
+				throw new ArgumentException("strength must be a positive value", "strength");
+
+			this.random = random;
+            this.strength = strength;
+        }
+
+		/**
+         * return the random source associated with this
+         * generator.
+         *
+         * @return the generators random source.
+         */
+        public SecureRandom Random
+        {
+            get { return random; }
+        }
+
+		/**
+         * return the bit strength for keys produced by this generator,
+         *
+         * @return the strength of the keys this generator produces (in bits).
+         */
+        public int Strength
+        {
+            get { return strength; }
+        }
+    }
+}