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-rw-r--r--crypto/src/math/BigInteger.cs8
1 files changed, 3 insertions, 5 deletions
diff --git a/crypto/src/math/BigInteger.cs b/crypto/src/math/BigInteger.cs
index 5986f9fd8..caf78843e 100644
--- a/crypto/src/math/BigInteger.cs
+++ b/crypto/src/math/BigInteger.cs
@@ -163,8 +163,6 @@ namespace Org.BouncyCastle.Math
         private const int chunk2 = 1, chunk8 = 1, chunk10 = 19, chunk16 = 16;
         private static readonly BigInteger radix2, radix2E, radix8, radix8E, radix10, radix10E, radix16, radix16E;
 
-        private static readonly SecureRandom RandomSource = new SecureRandom(new VmpcRandomGenerator(), 16);
-
         /*
          * These are the threshold bit-lengths (of an exponent) where we increase the window size.
          * They are calculated according to the expected savings in multiplications.
@@ -244,7 +242,7 @@ namespace Org.BouncyCastle.Math
 
         public static BigInteger Arbitrary(int sizeInBits)
         {
-            return new BigInteger(sizeInBits, RandomSource);
+            return new BigInteger(sizeInBits, SecureRandom.ArbitraryRandom);
         }
 
         private BigInteger(
@@ -1460,7 +1458,7 @@ namespace Org.BouncyCastle.Math
             if (n.Equals(One))
                 return false;
 
-            return n.CheckProbablePrime(certainty, RandomSource, randomlySelected);
+            return n.CheckProbablePrime(certainty, SecureRandom.ArbitraryRandom, randomlySelected);
         }
 
         private bool CheckProbablePrime(int certainty, Random random, bool randomlySelected)
@@ -2633,7 +2631,7 @@ namespace Org.BouncyCastle.Math
 
             BigInteger n = Inc().SetBit(0);
 
-            while (!n.CheckProbablePrime(100, RandomSource, false))
+            while (!n.CheckProbablePrime(100, SecureRandom.ArbitraryRandom, false))
             {
                 n = n.Add(Two);
             }