Remove unnecessary locking

- see https://github.com/bcgit/bc-java/issues/778

1 files changed, 6 insertions, 7 deletions

diff --git a/crypto/src/math/ec/ECCurve.cs b/crypto/src/math/ec/ECCurve.cs

index 7d60e5f99..f011b1baf 100644
--- a/crypto/src/math/ec/ECCurve.cs
+++ b/crypto/src/math/ec/ECCurve.cs
@@ -433,18 +433,17 @@ namespace Org.BouncyCastle.Math.EC
         }
 
         /**
-         * Sets the default <code>ECMultiplier</code>, unless already set. 
+         * Sets the default <code>ECMultiplier</code>, unless already set.
+         *
+         * We avoid locking for performance reasons, so there is no uniqueness guarantee.
          */
         public virtual ECMultiplier GetMultiplier()
         {
-            lock (this)
+            if (this.m_multiplier == null)
             {
-                if (this.m_multiplier == null)
-                {
-                    this.m_multiplier = CreateDefaultMultiplier();
-                }
-                return this.m_multiplier;
+                this.m_multiplier = CreateDefaultMultiplier();
             }
+            return this.m_multiplier;
         }
 
         /**