Java Asn1Exception类代码示例

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes an MethodData object.
 * @return the byte array of encoded MethodData object.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */

public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();
    temp.putInteger(BigInteger.valueOf(methodType));
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
    if (methodData != null) {
        temp = new DerOutputStream();
        temp.putOctetString(methodData);
        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
    }

    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    return temp.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes an KRBSafe object.
 * @return byte array of encoded KRBSafe object.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream temp = new DerOutputStream();
    DerOutputStream bytes = new DerOutputStream();
    temp.putInteger(BigInteger.valueOf(pvno));
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
    temp = new DerOutputStream();
    temp.putInteger(BigInteger.valueOf(msgType));
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), temp);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), safeBody.asn1Encode());
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), cksum.asn1Encode());
    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    bytes = new DerOutputStream();
    bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte)0x14), temp);
    return bytes.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Constructs a LastReqEntry object.
 * @param encoding a Der-encoded data.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public LastReqEntry(DerValue encoding) throws Asn1Exception, IOException {
    if (encoding.getTag() != DerValue.tag_Sequence) {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    DerValue der;
    der = encoding.getData().getDerValue();
    if ((der.getTag() & 0x1F) == 0x00){
        lrType = der.getData().getBigInteger().intValue();
    }
    else
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);

    lrValue = KerberosTime.parse(encoding.getData(), (byte)0x01, false);
    if (encoding.getData().available() > 0)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes an APRep object.
 * @return byte array of encoded APRep object.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();
    temp.putInteger(BigInteger.valueOf(pvno));
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp);
    temp = new DerOutputStream();
    temp.putInteger(BigInteger.valueOf(msgType));
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), encPart.asn1Encode());
    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    DerOutputStream aprep = new DerOutputStream();
    aprep.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte) 0x0F), temp);
    return aprep.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Constructs a MethodData object.
 * @param encoding a Der-encoded data.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public MethodData(DerValue encoding) throws Asn1Exception, IOException {
    DerValue der;
    if (encoding.getTag() != DerValue.tag_Sequence) {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    der = encoding.getData().getDerValue();
    if ((der.getTag() & 0x1F) == 0x00) {
        BigInteger bint = der.getData().getBigInteger();
        methodType = bint.intValue();
    }
    else
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    if (encoding.getData().available() > 0) {
        der = encoding.getData().getDerValue();
        if ((der.getTag() & 0x1F) == 0x01) {
            methodData = der.getData().getOctetString();
        }
        else throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    if (encoding.getData().available() > 0)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Constructs an instance of AuthorizationDataEntry.
 * @param encoding a single DER-encoded value.
 */
public AuthorizationDataEntry(DerValue encoding) throws Asn1Exception, IOException {
    DerValue der;
    if (encoding.getTag() != DerValue.tag_Sequence) {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    der = encoding.getData().getDerValue();
    if ((der.getTag() & (byte) 0x1F) == (byte) 0x00) {
        adType = der.getData().getBigInteger().intValue();
    } else {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    der = encoding.getData().getDerValue();
    if ((der.getTag() & (byte) 0x1F) == (byte) 0x01) {
        adData = der.getData().getOctetString();
    } else {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    if (encoding.getData().available() > 0) {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
private static long toKerberosTime(String time) throws Asn1Exception {
    // ASN.1 GeneralizedTime format:

    // "19700101000000Z"
    //  |   | | | | | |
    //  0   4 6 8 | | |
    //           10 | |
    //             12 |
    //               14

    if (time.length() != 15)
        throw new Asn1Exception(Krb5.ASN1_BAD_TIMEFORMAT);
    if (time.charAt(14) != 'Z')
        throw new Asn1Exception(Krb5.ASN1_BAD_TIMEFORMAT);
    int year = Integer.parseInt(time.substring(0, 4));
    Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    calendar.clear(); // so that millisecond is zero
    calendar.set(year,
                 Integer.parseInt(time.substring(4, 6)) - 1,
                 Integer.parseInt(time.substring(6, 8)),
                 Integer.parseInt(time.substring(8, 10)),
                 Integer.parseInt(time.substring(10, 12)),
                 Integer.parseInt(time.substring(12, 14)));
    return calendar.getTimeInMillis();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Constructs a PAData object.
 * @param encoding a Der-encoded data.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public PAData(DerValue encoding) throws Asn1Exception, IOException {
    DerValue der = null;
    if (encoding.getTag() != DerValue.tag_Sequence) {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    der = encoding.getData().getDerValue();
    if ((der.getTag() & 0x1F) == 0x01) {
        this.pADataType = der.getData().getBigInteger().intValue();
    }
    else
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    der = encoding.getData().getDerValue();
    if ((der.getTag() & 0x1F) == 0x02) {
        this.pADataValue = der.getData().getOctetString();
    }
    if (encoding.getData().available() > 0)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Constructs a host address from a single DER-encoded value.
 * @param encoding a single DER-encoded value.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 *
 */
public HostAddress(DerValue encoding) throws Asn1Exception, IOException {
    DerValue der = encoding.getData().getDerValue();
    if ((der.getTag() & (byte)0x1F) == (byte)0x00) {
        addrType = der.getData().getBigInteger().intValue();
    }
    else
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    der = encoding.getData().getDerValue();
    if ((der.getTag() & (byte)0x1F) == (byte)0x01) {
        address = der.getData().getOctetString();
    }
    else
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    if (encoding.getData().available() > 0)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes an KRBSafeBody object.
 * @return the byte array of encoded KRBSafeBody object.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();
    temp.putOctetString(userData);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x00), temp);
    if (timestamp != null)
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x01), timestamp.asn1Encode());
    if (usec != null) {
        temp = new DerOutputStream();
        temp.putInteger(BigInteger.valueOf(usec.intValue()));
        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x02), temp);
    }
    if (seqNumber != null) {
        temp = new DerOutputStream();
        // encode as an unsigned integer (UInt32)
        temp.putInteger(BigInteger.valueOf(seqNumber.longValue()));
        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x03), temp);
    }
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0x04), sAddress.asn1Encode());
    if (rAddress != null)
    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    return temp.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Initializes a Ticket object.
 * @param encoding a single DER-encoded value.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 * @exception KrbApErrException if the value read from the DER-encoded data stream does not match the pre-defined value.
 * @exception RealmException if an error occurs while parsing a Realm object.
 */

private void init(DerValue encoding) throws Asn1Exception,
RealmException, KrbApErrException, IOException {
    DerValue der;
    DerValue subDer;
    if (((encoding.getTag() & (byte)0x1F) != Krb5.KRB_TKT)
        || (encoding.isApplication() != true)
        || (encoding.isConstructed() != true))
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    der = encoding.getData().getDerValue();
    if (der.getTag() != DerValue.tag_Sequence)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    subDer = der.getData().getDerValue();
    if ((subDer.getTag() & (byte)0x1F) != (byte)0x00)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    tkt_vno = subDer.getData().getBigInteger().intValue();
    if (tkt_vno != Krb5.TICKET_VNO)
        throw new KrbApErrException(Krb5.KRB_AP_ERR_BADVERSION);
    Realm srealm = Realm.parse(der.getData(), (byte)0x01, false);
    sname = PrincipalName.parse(der.getData(), (byte)0x02, false, srealm);
    encPart = EncryptedData.parse(der.getData(), (byte)0x03, false);
    if (der.getData().available() > 0)
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes this object to an OutputStream.
 *
 * @return byte array of the encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 * @exception Asn1Exception on encoding errors.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {

    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();

    temp.putInteger(pADataType);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_PATYPE), temp);
    temp = new DerOutputStream();
    temp.putOctetString(pADataValue);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_PAVALUE), temp);

    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    return temp.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Parse (unmarshal) a kerberostime from a DER input stream.  This form
 * parsing might be used when expanding a value which is part of
 * a constructed sequence and uses explicitly tagged type.
 *
 * @exception Asn1Exception on error.
 * @param data the Der input stream value, which contains
 *             one or more marshaled value.
 * @param explicitTag tag number.
 * @param optional indicates if this data field is optional
 * @return an instance of KerberosTime.
 *
 */
public static KerberosTime parse(
        DerInputStream data, byte explicitTag, boolean optional)
        throws Asn1Exception, IOException {
    if ((optional) && (((byte)data.peekByte() & (byte)0x1F)!= explicitTag))
        return null;
    DerValue der = data.getDerValue();
    if (explicitTag != (der.getTag() & (byte)0x1F))  {
        throw new Asn1Exception(Krb5.ASN1_BAD_ID);
    }
    else {
        DerValue subDer = der.getData().getDerValue();
        Date temp = subDer.getGeneralizedTime();
        return new KerberosTime(temp.getTime(), 0);
    }
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes an <code>AuthorizationData</code> object.
 * @return byte array of encoded <code>AuthorizationData</code> object.
 * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {
    DerOutputStream bytes = new DerOutputStream();
    DerValue der[] = new DerValue[entry.length];
    for (int i = 0; i < entry.length; i++) {
        der[i] = new DerValue(entry[i].asn1Encode());
    }
    bytes.putSequence(der);
    return bytes.toByteArray();
}
 

import sun.security.krb5.Asn1Exception; //导入依赖的package包/类
/**
 * Encodes this object to an OutputStream.
 *
 * @return byte array of the encoded data.
 * @exception IOException if an I/O error occurs while reading encoded data.
 * @exception Asn1Exception on encoding errors.
 */
public byte[] asn1Encode() throws Asn1Exception, IOException {

    DerOutputStream bytes = new DerOutputStream();
    DerOutputStream temp = new DerOutputStream();

    temp.putInteger(etype);
    bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true,
                                    TAG_TYPE), temp);

    if (saltStr != null) {
        temp = new DerOutputStream();
        temp.putDerValue(new KerberosString(saltStr).toDerValue());
        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true,
                                    TAG_VALUE1), temp);
    }
    if (s2kparams != null) {
        temp = new DerOutputStream();
        temp.putOctetString(s2kparams);
        bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true,
                                    TAG_VALUE2), temp);
    }

    temp = new DerOutputStream();
    temp.write(DerValue.tag_Sequence, bytes);
    return temp.toByteArray();
}