1 files changed, 0 insertions, 126 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509ExtensionUtils.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509ExtensionUtils.java
deleted file mode 100644
index 54f56adb8..000000000
--- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509ExtensionUtils.java
+++ /dev/null
@@ -1,126 +0,0 @@
-package org.spongycastle.cert;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-import org.spongycastle.asn1.ASN1OctetString;
-import org.spongycastle.asn1.x509.AuthorityKeyIdentifier;
-import org.spongycastle.asn1.x509.Extension;
-import org.spongycastle.asn1.x509.GeneralName;
-import org.spongycastle.asn1.x509.GeneralNames;
-import org.spongycastle.asn1.x509.SubjectKeyIdentifier;
-import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
-import org.spongycastle.operator.DigestCalculator;
-
-/**
- * General utility class for creating calculated extensions using the standard methods.
- * <p>
- * <b>Note:</b> This class is not thread safe!
- * </p>
- */
-public class X509ExtensionUtils
-{
-    private DigestCalculator calculator;
-
-    public X509ExtensionUtils(DigestCalculator calculator)
-    {
-        this.calculator = calculator;
-    }
-
-    public AuthorityKeyIdentifier createAuthorityKeyIdentifier(
-        X509CertificateHolder certHolder)
-    {
-        if (certHolder.getVersionNumber() != 3)
-        {
-            GeneralName genName = new GeneralName(certHolder.getIssuer());
-            SubjectPublicKeyInfo info = certHolder.getSubjectPublicKeyInfo();
-
-            return new AuthorityKeyIdentifier(
-                           calculateIdentifier(info), new GeneralNames(genName), certHolder.getSerialNumber());
-        }
-        else
-        {
-            GeneralName             genName = new GeneralName(certHolder.getIssuer());
-            Extension ext = certHolder.getExtension(Extension.subjectKeyIdentifier);
-
-            if (ext != null)
-            {
-                ASN1OctetString str = ASN1OctetString.getInstance(ext.getParsedValue());
-
-                return new AuthorityKeyIdentifier(
-                                str.getOctets(), new GeneralNames(genName), certHolder.getSerialNumber());
-            }
-            else
-            {
-                SubjectPublicKeyInfo info = certHolder.getSubjectPublicKeyInfo();
-
-                return new AuthorityKeyIdentifier(
-                        calculateIdentifier(info), new GeneralNames(genName), certHolder.getSerialNumber());
-            }
-        }
-    }
-
-    public AuthorityKeyIdentifier createAuthorityKeyIdentifier(SubjectPublicKeyInfo publicKeyInfo)
-    {
-        return new AuthorityKeyIdentifier(calculateIdentifier(publicKeyInfo));
-    }
-
-    /**
-     * 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 publicKeyInfo the key info object containing the subjectPublicKey field.
-     * @return the key identifier.
-     */
-    public SubjectKeyIdentifier createSubjectKeyIdentifier(
-        SubjectPublicKeyInfo publicKeyInfo)
-    {
-        return new SubjectKeyIdentifier(calculateIdentifier(publicKeyInfo));
-    }
-
-    /**
-     * Return a RFC 3280 type 2 key identifier. As in:
-     * <pre>
-     * (2) The keyIdentifier is composed of a four bit type field with
-     * the value 0100 followed by the least significant 60 bits of the
-     * SHA-1 hash of the value of the BIT STRING subjectPublicKey.
-     * </pre>
-     * @param publicKeyInfo the key info object containing the subjectPublicKey field.
-     * @return the key identifier.
-     */
-    public SubjectKeyIdentifier createTruncatedSubjectKeyIdentifier(SubjectPublicKeyInfo publicKeyInfo)
-    {
-        byte[] digest = calculateIdentifier(publicKeyInfo);
-        byte[] id = new byte[8];
-
-        System.arraycopy(digest, digest.length - 8, id, 0, id.length);
-
-        id[0] &= 0x0f;
-        id[0] |= 0x40;
-
-        return new SubjectKeyIdentifier(id);
-    }
-
-    private byte[] calculateIdentifier(SubjectPublicKeyInfo publicKeyInfo)
-    {
-        byte[] bytes = publicKeyInfo.getPublicKeyData().getBytes();
-
-        OutputStream cOut = calculator.getOutputStream();
-
-        try
-        {
-            cOut.write(bytes);
-
-            cOut.close();
-        }
-        catch (IOException e)
-        {   // it's hard to imagine this happening, but yes it does!
-            throw new CertRuntimeException("unable to calculate identifier: " + e.getMessage(), e);
-        }
-
-        return calculator.getDigest();
-    }
-}