1 files changed, 52 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/SubjectKeyIdentifierTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/SubjectKeyIdentifierTest.java
new file mode 100644
index 000000000..469e25ea5
--- /dev/null
+++ b/libraries/spongycastle/core/src/test/java/org/spongycastle/asn1/test/SubjectKeyIdentifierTest.java
@@ -0,0 +1,52 @@
+package org.spongycastle.asn1.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.util.Arrays;
+import org.spongycastle.util.encoders.Base64;
+import org.spongycastle.util.encoders.Hex;
+import org.spongycastle.util.test.SimpleTest;
+
+public class SubjectKeyIdentifierTest
+    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");
+
+    public String getName()
+    {
+        return "SubjectKeyIdentifier";
+    }
+
+    public void performTest()
+        throws IOException
+    {
+        SubjectPublicKeyInfo pubInfo = SubjectPublicKeyInfo.getInstance(ASN1Primitive.fromByteArray(pubKeyInfo));
+        SubjectKeyIdentifier ski = SubjectKeyIdentifier.createSHA1KeyIdentifier(pubInfo);
+
+        if (!Arrays.areEqual(shaID, ski.getKeyIdentifier()))
+        {
+            fail("SHA-1 ID does not match");
+        }
+
+        ski = SubjectKeyIdentifier.createTruncatedSHA1KeyIdentifier(pubInfo);
+
+        if (!Arrays.areEqual(shaTruncID, ski.getKeyIdentifier()))
+        {
+            fail("truncated SHA-1 ID does not match");
+        }
+    }
+
+    public static void main(
+        String[]    args)
+    {
+        runTest(new SubjectKeyIdentifierTest());
+    }
+}