1 files changed, 55 insertions, 0 deletions
diff --git a/pkix/src/test/java/org/spongycastle/cert/test/X509ExtensionUtilsTest.java b/pkix/src/test/java/org/spongycastle/cert/test/X509ExtensionUtilsTest.java
new file mode 100644
index 00000000..0b073009
--- /dev/null
+++ b/pkix/src/test/java/org/spongycastle/cert/test/X509ExtensionUtilsTest.java
@@ -0,0 +1,55 @@
+package org.spongycastle.cert.test;
+
+import java.io.IOException;
+
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.x509.SubjectKeyIdentifier;
+import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
+import org.spongycastle.cert.X509ExtensionUtils;
+import org.spongycastle.util.Arrays;
+import org.spongycastle.util.encoders.Base64;
+import org.spongycastle.util.encoders.Hex;
+import org.spongycastle.util.test.SimpleTest;
+
+public class X509ExtensionUtilsTest
+    extends SimpleTest
+{
+    private static byte[] pubKeyInfo = Base64.decode(
+        "MFgwCwYJKoZIhvcNAQEBA0kAMEYCQQC6wMMmHYMZszT/7bNFMn+gaZoiWJLVP8ODRuu1C2jeAe" +
+        "QpxM+5Oe7PaN2GNy3nBE4EOYkB5pMJWA0y9n04FX8NAgED");
+
+    private static byte[] shaID = Hex.decode("d8128a06d6c2feb0865994a2936e7b75b836a021");
+    private static byte[] shaTruncID = Hex.decode("436e7b75b836a021");
+    private X509ExtensionUtils x509ExtensionUtils = new X509ExtensionUtils(new SHA1DigestCalculator());
+
+    public String getName()
+    {
+        return "X509ExtensionUtilsTest";
+    }
+
+    public void performTest()
+        throws IOException
+    {
+        SubjectPublicKeyInfo pubInfo = SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(pubKeyInfo));
+
+        SubjectKeyIdentifier ski = x509ExtensionUtils.createSubjectKeyIdentifier(pubInfo);
+
+        if (!Arrays.areEqual(shaID, ski.getKeyIdentifier()))
+        {
+            fail("SHA-1 ID does not match");
+        }
+
+        ski = x509ExtensionUtils.createTruncatedSubjectKeyIdentifier(pubInfo);
+
+        if (!Arrays.areEqual(shaTruncID, ski.getKeyIdentifier()))
+        {
+            fail("truncated SHA-1 ID does not match");
+        }
+    }
+
+    public static void main(
+        String[]    args)
+    {
+        runTest(new X509ExtensionUtilsTest());
+    }
+}