EC updates from bc-java

- use half-trace when possible (odd m) for decompression/validation
- provide field-specific half-trace methods for custom curves
- clarify the logic of point-order testing for binary curves
- expand test cases for invalid points

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/math/BigInteger.cs b/crypto/src/math/BigInteger.cs
index 997f0bbea..36f30d7c0 100644
--- a/crypto/src/math/BigInteger.cs
+++ b/crypto/src/math/BigInteger.cs
@@ -249,7 +249,7 @@ namespace Org.BouncyCastle.Math
             return (nBits + BitsPerByte - 1) / BitsPerByte;
         }
 
-        internal static BigInteger Arbitrary(int sizeInBits)
+        public static BigInteger Arbitrary(int sizeInBits)
         {
             return new BigInteger(sizeInBits, RandomSource);
         }