Java Code Examples for org.bouncycastle.asn1.DERApplicationSpecific#getContents()

The following examples show how to use org.bouncycastle.asn1.DERApplicationSpecific#getContents() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: KerberosApRequest.java From jcifs with GNU Lesser General Public License v2.1

4 votes

public KerberosApRequest ( byte[] token, KerberosKey[] keys ) throws PACDecodingException {
    if ( token.length <= 0 )
        throw new PACDecodingException("Empty kerberos ApReq");

    DLSequence sequence;
    try {
        try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
            sequence = ASN1Util.as(DLSequence.class, stream);
        }
    }
    catch ( IOException e ) {
        throw new PACDecodingException("Malformed Kerberos Ticket", e);
    }

    Enumeration<?> fields = sequence.getObjects();
    while ( fields.hasMoreElements() ) {
        ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields.nextElement());
        switch ( tagged.getTagNo() ) {
        case 0:
            ASN1Integer pvno = ASN1Util.as(ASN1Integer.class, tagged);
            if ( !pvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION)) ) {
                throw new PACDecodingException("Invalid kerberos version");
            }
            break;
        case 1:
            ASN1Integer msgType = ASN1Util.as(ASN1Integer.class, tagged);
            if ( !msgType.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_AP_REQ)) )
                throw new PACDecodingException("Invalid kerberos request");
            break;
        case 2:
            DERBitString bitString = ASN1Util.as(DERBitString.class, tagged);
            this.apOptions = bitString.getBytes()[ 0 ];
            break;
        case 3:
            DERApplicationSpecific derTicket = ASN1Util.as(DERApplicationSpecific.class, tagged);
            if ( !derTicket.isConstructed() )
                throw new PACDecodingException("Malformed Kerberos Ticket");
            this.ticket = new KerberosTicket(derTicket.getContents(), this.apOptions, keys);
            break;
        case 4:
            // Let's ignore this for now
            break;
        default:
            throw new PACDecodingException("Invalid field in kerberos ticket");
        }
    }
}

Example 2

Source File: KerberosApRequest.java From jcifs-ng with GNU Lesser General Public License v2.1

4 votes

public KerberosApRequest ( byte[] token, KerberosKey[] keys ) throws PACDecodingException {
    if ( token.length <= 0 )
        throw new PACDecodingException("Empty kerberos ApReq");

    DLSequence sequence;
    try {
        try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
            sequence = ASN1Util.as(DLSequence.class, stream);
        }
    }
    catch ( IOException e ) {
        throw new PACDecodingException("Malformed Kerberos Ticket", e);
    }

    Enumeration<?> fields = sequence.getObjects();
    while ( fields.hasMoreElements() ) {
        ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields.nextElement());
        switch ( tagged.getTagNo() ) {
        case 0:
            ASN1Integer pvno = ASN1Util.as(ASN1Integer.class, tagged);
            if ( !pvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION)) ) {
                throw new PACDecodingException("Invalid kerberos version");
            }
            break;
        case 1:
            ASN1Integer msgType = ASN1Util.as(ASN1Integer.class, tagged);
            if ( !msgType.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_AP_REQ)) )
                throw new PACDecodingException("Invalid kerberos request");
            break;
        case 2:
            DERBitString bitString = ASN1Util.as(DERBitString.class, tagged);
            this.apOptions = bitString.getBytes()[ 0 ];
            break;
        case 3:
            DERApplicationSpecific derTicket = ASN1Util.as(DERApplicationSpecific.class, tagged);
            if ( !derTicket.isConstructed() )
                throw new PACDecodingException("Malformed Kerberos Ticket");
            this.ticket = new KerberosTicket(derTicket.getContents(), this.apOptions, keys);
            break;
        case 4:
            // Let's ignore this for now
            break;
        default:
            throw new PACDecodingException("Invalid field in kerberos ticket");
        }
    }
}