diff --git a/crypto/test/src/crypto/test/GcmReorderTest.cs b/crypto/test/src/crypto/test/GcmReorderTest.cs
index 54d17f4f4..9694216f2 100644
--- a/crypto/test/src/crypto/test/GcmReorderTest.cs
+++ b/crypto/test/src/crypto/test/GcmReorderTest.cs
@@ -52,7 +52,7 @@ namespace Org.BouncyCastle.Crypto.Tests
{
byte[] P = randomBlocks(100);
byte[] A = randomBytes(1000);
- byte[] PA = concatArrays(P, A);
+ byte[] PA = Arrays.Concatenate(P, A);
byte[] ghashP_ = GHASH(P, Empty);
byte[] ghashA_ = GHASH(A, Empty);
@@ -63,14 +63,14 @@ namespace Org.BouncyCastle.Crypto.Tests
}
}
- [Test]
+ [Test]
public void TestConcatCrypt()
{
for (int count = 0; count < 10; ++count)
{
byte[] P = randomBlocks(100);
byte[] A = randomBytes(1000);
- byte[] PA = concatArrays(P, A);
+ byte[] PA = Arrays.Concatenate(P, A);
byte[] ghash_P = GHASH(Empty, P);
byte[] ghash_A = GHASH(Empty, A);
@@ -177,15 +177,7 @@ namespace Org.BouncyCastle.Crypto.Tests
return bs;
}
- private byte[] concatArrays(byte[] a, byte[] b)
- {
- byte[] ab = new byte[a.Length + b.Length];
- Array.Copy(a, 0, ab, 0, a.Length);
- Array.Copy(b, 0, ab, a.Length, b.Length);
- return ab;
- }
-
- private byte[] combine_GHASH(byte[] ghashA_, long bitlenA, byte[] ghash_C, long bitlenC)
+ private byte[] combine_GHASH(byte[] ghashA_, long bitlenA, byte[] ghash_C, long bitlenC)
{
// Note: bitlenA must be aligned to the block size
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