Examples with DERUTCTime org.bouncycastle.asn1.DERUTCTime used on opensource projects

Example 1 with DERUTCTime

use of org.bouncycastle.asn1.DERUTCTime in project robovm by robovm.

the class ASN1Dump method _dumpAsString.

/**
     * dump a DER object as a formatted string with indentation
     *
     * @param obj the ASN1Primitive to be dumped out.
     */
static void _dumpAsString(String indent, boolean verbose, ASN1Primitive obj, StringBuffer buf) {
    String nl = System.getProperty("line.separator");
    if (obj instanceof ASN1Sequence) {
        Enumeration e = ((ASN1Sequence) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERSequence) {
            buf.append("BER Sequence");
        } else if (obj instanceof DERSequence) {
            buf.append("DER Sequence");
        } else {
            buf.append("Sequence");
        }
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null || o.equals(DERNull.INSTANCE)) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof ASN1Primitive) {
                _dumpAsString(tab, verbose, (ASN1Primitive) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((ASN1Encodable) o).toASN1Primitive(), buf);
            }
        }
    } else if (obj instanceof ASN1TaggedObject) {
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERTaggedObject) {
            buf.append("BER Tagged [");
        } else {
            buf.append("Tagged [");
        }
        ASN1TaggedObject o = (ASN1TaggedObject) obj;
        buf.append(Integer.toString(o.getTagNo()));
        buf.append(']');
        if (!o.isExplicit()) {
            buf.append(" IMPLICIT ");
        }
        buf.append(nl);
        if (o.isEmpty()) {
            buf.append(tab);
            buf.append("EMPTY");
            buf.append(nl);
        } else {
            _dumpAsString(tab, verbose, o.getObject(), buf);
        }
    } else if (obj instanceof ASN1Set) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERSet) {
            buf.append("BER Set");
        } else {
            buf.append("DER Set");
        }
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof ASN1Primitive) {
                _dumpAsString(tab, verbose, (ASN1Primitive) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((ASN1Encodable) o).toASN1Primitive(), buf);
            }
        }
    } else if (obj instanceof ASN1OctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        if (obj instanceof BEROctetString || obj instanceof BERConstructedOctetString) {
            buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
        } else {
            buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
        }
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof ASN1ObjectIdentifier) {
        buf.append(indent + "ObjectIdentifier(" + ((ASN1ObjectIdentifier) obj).getId() + ")" + nl);
    } else if (obj instanceof DERBoolean) {
        buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl);
    } else if (obj instanceof ASN1Integer) {
        buf.append(indent + "Integer(" + ((ASN1Integer) obj).getValue() + ")" + nl);
    } else if (obj instanceof DERBitString) {
        DERBitString bt = (DERBitString) obj;
        buf.append(indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, bt.getBytes()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERIA5String) {
        buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTF8String) {
        buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERPrintableString) {
        buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERVisibleString) {
        buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERBMPString) {
        buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERT61String) {
        buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTCTime) {
        buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERGeneralizedTime) {
        buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof BERApplicationSpecific) {
        buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl));
    } else if (obj instanceof DERApplicationSpecific) {
        buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl));
    } else if (obj instanceof DEREnumerated) {
        DEREnumerated en = (DEREnumerated) obj;
        buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
    } else if (obj instanceof DERExternal) {
        DERExternal ext = (DERExternal) obj;
        buf.append(indent + "External " + nl);
        String tab = indent + TAB;
        if (ext.getDirectReference() != null) {
            buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
        }
        if (ext.getIndirectReference() != null) {
            buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
        }
        if (ext.getDataValueDescriptor() != null) {
            _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
        }
        buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
        _dumpAsString(tab, verbose, ext.getExternalContent(), buf);
    } else {
        buf.append(indent + obj.toString() + nl);
    }
}

Example 2 with DERUTCTime

use of org.bouncycastle.asn1.DERUTCTime in project keepass2android by PhilippC.

the class ASN1Dump method _dumpAsString.

/**
 * dump a DER object as a formatted string with indentation
 *
 * @param obj the DERObject to be dumped out.
 */
static void _dumpAsString(String indent, boolean verbose, DERObject obj, StringBuffer buf) {
    String nl = System.getProperty("line.separator");
    if (obj instanceof ASN1Sequence) {
        Enumeration e = ((ASN1Sequence) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERConstructedSequence) {
            buf.append("BER ConstructedSequence");
        } else if (obj instanceof DERConstructedSequence) {
            buf.append("DER ConstructedSequence");
        } else if (obj instanceof BERSequence) {
            buf.append("BER Sequence");
        } else if (obj instanceof DERSequence) {
            buf.append("DER Sequence");
        } else {
            buf.append("Sequence");
        }
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null || o.equals(new DERNull())) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERTaggedObject) {
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERTaggedObject) {
            buf.append("BER Tagged [");
        } else {
            buf.append("Tagged [");
        }
        DERTaggedObject o = (DERTaggedObject) obj;
        buf.append(Integer.toString(o.getTagNo()));
        buf.append(']');
        if (!o.isExplicit()) {
            buf.append(" IMPLICIT ");
        }
        buf.append(nl);
        if (o.isEmpty()) {
            buf.append(tab);
            buf.append("EMPTY");
            buf.append(nl);
        } else {
            _dumpAsString(tab, verbose, o.getObject(), buf);
        }
    } else if (obj instanceof DERConstructedSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("ConstructedSet");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof BERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("BER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("DER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERObjectIdentifier) {
        buf.append(indent + "ObjectIdentifier(" + ((DERObjectIdentifier) obj).getId() + ")" + nl);
    } else if (obj instanceof DERBoolean) {
        buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl);
    } else if (obj instanceof DERInteger) {
        buf.append(indent + "Integer(" + ((DERInteger) obj).getValue() + ")" + nl);
    } else if (obj instanceof BERConstructedOctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DEROctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERBitString) {
        DERBitString bt = (DERBitString) obj;
        buf.append(indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, bt.getBytes()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERIA5String) {
        buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTF8String) {
        buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERPrintableString) {
        buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERVisibleString) {
        buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERBMPString) {
        buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERT61String) {
        buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTCTime) {
        buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERGeneralizedTime) {
        buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERUnknownTag) {
        buf.append(indent + "Unknown " + Integer.toString(((DERUnknownTag) obj).getTag(), 16) + " " + new String(Hex.encode(((DERUnknownTag) obj).getData())) + nl);
    } else if (obj instanceof BERApplicationSpecific) {
        buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl));
    } else if (obj instanceof DERApplicationSpecific) {
        buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl));
    } else if (obj instanceof DEREnumerated) {
        DEREnumerated en = (DEREnumerated) obj;
        buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
    } else if (obj instanceof DERExternal) {
        DERExternal ext = (DERExternal) obj;
        buf.append(indent + "External " + nl);
        String tab = indent + TAB;
        if (ext.getDirectReference() != null) {
            buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
        }
        if (ext.getIndirectReference() != null) {
            buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
        }
        if (ext.getDataValueDescriptor() != null) {
            _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
        }
        buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
        _dumpAsString(tab, verbose, ext.getExternalContent(), buf);
    } else {
        buf.append(indent + obj.toString() + nl);
    }
}

Example 3 with DERUTCTime

use of org.bouncycastle.asn1.DERUTCTime in project signer by demoiselle.

the class RevocationRefs method makeCrlValidatedID.

/**
 * @param extract
 *            CrlValidatedID from X509CRL
 * @return a CrlValidatedID
 * @throws NoSuchAlgorithmException
 * @throws CRLException
 */
private CrlValidatedID makeCrlValidatedID(X509CRL crl) throws NoSuchAlgorithmException, CRLException {
    Digest digest = DigestFactory.getInstance().factoryDefault();
    digest.setAlgorithm(DigestAlgorithmEnum.SHA_256);
    OtherHashAlgAndValue otherHashAlgAndValue = new OtherHashAlgAndValue(new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256), new DEROctetString(digest.digest(crl.getEncoded())));
    OtherHash hash = new OtherHash(otherHashAlgAndValue);
    BigInteger crlnumber;
    CrlIdentifier crlid;
    if (crl.getExtensionValue("2.5.29.20") != null) {
        ASN1Integer varASN1Integer = new ASN1Integer(crl.getExtensionValue("2.5.29.20"));
        crlnumber = varASN1Integer.getPositiveValue();
        crlid = new CrlIdentifier(new X500Name(crl.getIssuerX500Principal().getName()), new DERUTCTime(crl.getThisUpdate()), crlnumber);
    } else {
        crlid = new CrlIdentifier(new X500Name(crl.getIssuerX500Principal().getName()), new DERUTCTime(crl.getThisUpdate()));
    }
    CrlValidatedID crlvid = new CrlValidatedID(hash, crlid);
    return crlvid;
}

Example 4 with DERUTCTime

use of org.bouncycastle.asn1.DERUTCTime in project XobotOS by xamarin.

the class ASN1Dump method _dumpAsString.

/**
     * dump a DER object as a formatted string with indentation
     *
     * @param obj the DERObject to be dumped out.
     */
static void _dumpAsString(String indent, boolean verbose, DERObject obj, StringBuffer buf) {
    String nl = System.getProperty("line.separator");
    if (obj instanceof ASN1Sequence) {
        Enumeration e = ((ASN1Sequence) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERSequence) {
            buf.append("BER Sequence");
        } else if (obj instanceof DERSequence) {
            buf.append("DER Sequence");
        } else {
            buf.append("Sequence");
        }
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            // BEGIN android-changed
            if (o == null || o.equals(DERNull.INSTANCE)) // END android-changed
            {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERTaggedObject) {
        String tab = indent + TAB;
        buf.append(indent);
        if (obj instanceof BERTaggedObject) {
            buf.append("BER Tagged [");
        } else {
            buf.append("Tagged [");
        }
        DERTaggedObject o = (DERTaggedObject) obj;
        buf.append(Integer.toString(o.getTagNo()));
        buf.append(']');
        if (!o.isExplicit()) {
            buf.append(" IMPLICIT ");
        }
        buf.append(nl);
        if (o.isEmpty()) {
            buf.append(tab);
            buf.append("EMPTY");
            buf.append(nl);
        } else {
            _dumpAsString(tab, verbose, o.getObject(), buf);
        }
    } else if (obj instanceof BERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("BER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERSet) {
        Enumeration e = ((ASN1Set) obj).getObjects();
        String tab = indent + TAB;
        buf.append(indent);
        buf.append("DER Set");
        buf.append(nl);
        while (e.hasMoreElements()) {
            Object o = e.nextElement();
            if (o == null) {
                buf.append(tab);
                buf.append("NULL");
                buf.append(nl);
            } else if (o instanceof DERObject) {
                _dumpAsString(tab, verbose, (DERObject) o, buf);
            } else {
                _dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
            }
        }
    } else if (obj instanceof DERObjectIdentifier) {
        buf.append(indent + "ObjectIdentifier(" + ((DERObjectIdentifier) obj).getId() + ")" + nl);
    } else if (obj instanceof DERBoolean) {
        buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl);
    } else if (obj instanceof DERInteger) {
        buf.append(indent + "Integer(" + ((DERInteger) obj).getValue() + ")" + nl);
    } else if (obj instanceof BERConstructedOctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DEROctetString) {
        ASN1OctetString oct = (ASN1OctetString) obj;
        buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERBitString) {
        DERBitString bt = (DERBitString) obj;
        buf.append(indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] ");
        if (verbose) {
            buf.append(dumpBinaryDataAsString(indent, bt.getBytes()));
        } else {
            buf.append(nl);
        }
    } else if (obj instanceof DERIA5String) {
        buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTF8String) {
        buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERPrintableString) {
        buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERVisibleString) {
        buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERBMPString) {
        buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl);
    } else if (obj instanceof DERT61String) {
        buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl);
    } else if (obj instanceof DERUTCTime) {
        buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERGeneralizedTime) {
        buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl);
    } else if (obj instanceof DERUnknownTag) {
        buf.append(indent + "Unknown " + Integer.toString(((DERUnknownTag) obj).getTag(), 16) + " " + new String(Hex.encode(((DERUnknownTag) obj).getData())) + nl);
    } else if (obj instanceof BERApplicationSpecific) {
        buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl));
    } else if (obj instanceof DERApplicationSpecific) {
        buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl));
    } else if (obj instanceof DEREnumerated) {
        DEREnumerated en = (DEREnumerated) obj;
        buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
    } else if (obj instanceof DERExternal) {
        DERExternal ext = (DERExternal) obj;
        buf.append(indent + "External " + nl);
        String tab = indent + TAB;
        if (ext.getDirectReference() != null) {
            buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
        }
        if (ext.getIndirectReference() != null) {
            buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
        }
        if (ext.getDataValueDescriptor() != null) {
            _dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
        }
        buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
        _dumpAsString(tab, verbose, ext.getExternalContent(), buf);
    } else {
        buf.append(indent + obj.toString() + nl);
    }
}

Example 5 with DERUTCTime

use of org.bouncycastle.asn1.DERUTCTime in project candlepin by candlepin.

the class X509CRLStreamWriter method offsetNextUpdate.

/**
 * Write a new nextUpdate time that is the same amount of time ahead of the new thisUpdate
 * time as the old nextUpdate was from the old thisUpdate.
 *
 * @param out
 * @param tagNo
 * @param oldThisUpdate
 * @throws IOException
 */
protected void offsetNextUpdate(OutputStream out, int tagNo, Date oldThisUpdate) throws IOException {
    int originalLength = readLength(crlIn, null);
    byte[] oldBytes = new byte[originalLength];
    readFullyAndTrack(crlIn, oldBytes, null);
    ASN1Object oldTime = null;
    if (tagNo == UTC_TIME) {
        ASN1TaggedObject t = new DERTaggedObject(UTC_TIME, new DEROctetString(oldBytes));
        oldTime = ASN1UTCTime.getInstance(t, false);
    } else {
        ASN1TaggedObject t = new DERTaggedObject(GENERALIZED_TIME, new DEROctetString(oldBytes));
        oldTime = ASN1GeneralizedTime.getInstance(t, false);
    }
    /* Determine the time between the old thisUpdate and old nextUpdate and add it
        /* to the new nextUpdate. */
    Date oldNextUpdate = Time.getInstance(oldTime).getDate();
    long delta = oldNextUpdate.getTime() - oldThisUpdate.getTime();
    Date newNextUpdate = new Date(new Date().getTime() + delta);
    ASN1Object newTime = null;
    if (tagNo == UTC_TIME) {
        newTime = new DERUTCTime(newNextUpdate);
    } else {
        newTime = new DERGeneralizedTime(newNextUpdate);
    }
    writeNewTime(out, newTime, originalLength);
}