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-rw-r--r--crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs
index bb60edaf6..013100dc3 100644
--- a/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs
+++ b/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Math.Raw;
+using Org.BouncyCastle.Security;
 using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Encoders;
 
@@ -134,7 +135,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec
             uint[] nc = Nat224.Create();
             SecP224R1Field.Negate(c, nc);
 
-            uint[] r = Mod.Random(SecP224R1Field.P);
+            uint[] r = Mod.Random(SecureRandom.ArbitraryRandom, SecP224R1Field.P);
             uint[] t = Nat224.Create();
 
             if (!IsSquare(c))