1 files changed, 0 insertions, 91 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/bc/BcX509ExtensionUtils.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/bc/BcX509ExtensionUtils.java
deleted file mode 100644
index 6d4dc217d..000000000
--- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/bc/BcX509ExtensionUtils.java
+++ /dev/null
@@ -1,91 +0,0 @@
-package org.spongycastle.cert.bc;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-
-import org.spongycastle.asn1.oiw.OIWObjectIdentifiers;
-import org.spongycastle.asn1.x509.AlgorithmIdentifier;
-import org.spongycastle.asn1.x509.AuthorityKeyIdentifier;
-import org.spongycastle.asn1.x509.SubjectKeyIdentifier;
-import org.spongycastle.cert.X509ExtensionUtils;
-import org.spongycastle.crypto.Digest;
-import org.spongycastle.crypto.digests.SHA1Digest;
-import org.spongycastle.crypto.params.AsymmetricKeyParameter;
-import org.spongycastle.crypto.util.SubjectPublicKeyInfoFactory;
-import org.spongycastle.operator.DigestCalculator;
-
-public class BcX509ExtensionUtils
-    extends X509ExtensionUtils
-{
-    /**
-     * Create a utility class pre-configured with a SHA-1 digest calculator based on the
-     * BC implementation.
-     */
-    public BcX509ExtensionUtils()
-    {
-        super(new SHA1DigestCalculator());
-    }
-
-    public BcX509ExtensionUtils(DigestCalculator calculator)
-    {
-        super(calculator);
-    }
-
-    public AuthorityKeyIdentifier createAuthorityKeyIdentifier(
-        AsymmetricKeyParameter publicKey)
-        throws IOException
-    {
-        return super.createAuthorityKeyIdentifier(SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(publicKey));
-    }
-
-    /**
-     * Return a RFC 3280 type 1 key identifier. As in:
-     * <pre>
-     * (1) The keyIdentifier is composed of the 160-bit SHA-1 hash of the
-     * value of the BIT STRING subjectPublicKey (excluding the tag,
-     * length, and number of unused bits).
-     * </pre>
-     * @param publicKey the key object containing the key identifier is to be based on.
-     * @return the key identifier.
-     */
-    public SubjectKeyIdentifier createSubjectKeyIdentifier(
-        AsymmetricKeyParameter publicKey)
-        throws IOException
-    {
-        return super.createSubjectKeyIdentifier(SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(publicKey));
-    }
-
-    private static class SHA1DigestCalculator
-        implements DigestCalculator
-    {
-        private ByteArrayOutputStream bOut = new ByteArrayOutputStream();
-
-        public AlgorithmIdentifier getAlgorithmIdentifier()
-        {
-            return new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1);
-        }
-
-        public OutputStream getOutputStream()
-        {
-            return bOut;
-        }
-
-        public byte[] getDigest()
-        {
-            byte[] bytes = bOut.toByteArray();
-
-            bOut.reset();
-
-            Digest sha1 = new SHA1Digest();
-
-            sha1.update(bytes, 0, bytes.length);
-
-            byte[] digest = new byte[sha1.getDigestSize()];
-
-            sha1.doFinal(digest, 0);
-
-            return digest;
-        }
-    }
-}