1 files changed, 19 insertions, 16 deletions
diff --git a/crypto/src/asn1/x9/X9ECParametersHolder.cs b/crypto/src/asn1/x9/X9ECParametersHolder.cs
index b3455709c..dd59e9f56 100644
--- a/crypto/src/asn1/x9/X9ECParametersHolder.cs
+++ b/crypto/src/asn1/x9/X9ECParametersHolder.cs
@@ -1,22 +1,25 @@
namespace Org.BouncyCastle.Asn1.X9
{
- public abstract class X9ECParametersHolder
- {
- private X9ECParameters parameters;
+ public abstract class X9ECParametersHolder
+ {
+ private X9ECParameters parameters;
- public X9ECParameters Parameters
- {
- get
- {
- if (parameters == null)
- {
- parameters = CreateParameters();
- }
+ public X9ECParameters Parameters
+ {
+ get
+ {
+ lock (this)
+ {
+ if (parameters == null)
+ {
+ parameters = CreateParameters();
+ }
- return parameters;
- }
- }
+ return parameters;
+ }
+ }
+ }
- protected abstract X9ECParameters CreateParameters();
- }
+ protected abstract X9ECParameters CreateParameters();
+ }
}
|
