| // Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org) |
| |
| package org.xbill.DNS; |
| |
| import java.io.*; |
| import java.security.PublicKey; |
| |
| /** |
| * Key - contains a cryptographic public key for use by DNS. |
| * The data can be converted to objects implementing |
| * java.security.interfaces.PublicKey |
| * @see DNSSEC |
| * |
| * @author Brian Wellington |
| */ |
| |
| public class DNSKEYRecord extends KEYBase { |
| |
| public static class Protocol { |
| private Protocol() {} |
| |
| /** Key will be used for DNSSEC */ |
| public static final int DNSSEC = 3; |
| } |
| |
| public static class Flags { |
| private Flags() {} |
| |
| /** Key is a zone key */ |
| public static final int ZONE_KEY = 0x100; |
| |
| /** Key is a secure entry point key */ |
| public static final int SEP_KEY = 0x1; |
| |
| /** Key has been revoked */ |
| public static final int REVOKE = 0x80; |
| } |
| |
| private static final long serialVersionUID = -8679800040426675002L; |
| |
| DNSKEYRecord() {} |
| |
| Record |
| getObject() { |
| return new DNSKEYRecord(); |
| } |
| |
| /** |
| * Creates a DNSKEY Record from the given data |
| * @param flags Flags describing the key's properties |
| * @param proto The protocol that the key was created for |
| * @param alg The key's algorithm |
| * @param key Binary representation of the key |
| */ |
| public |
| DNSKEYRecord(Name name, int dclass, long ttl, int flags, int proto, int alg, |
| byte [] key) |
| { |
| super(name, Type.DNSKEY, dclass, ttl, flags, proto, alg, key); |
| } |
| |
| /** |
| * Creates a DNSKEY Record from the given data |
| * @param flags Flags describing the key's properties |
| * @param proto The protocol that the key was created for |
| * @param alg The key's algorithm |
| * @param key The key as a PublicKey |
| * @throws DNSSEC.DNSSECException The PublicKey could not be converted into DNS |
| * format. |
| */ |
| public |
| DNSKEYRecord(Name name, int dclass, long ttl, int flags, int proto, int alg, |
| PublicKey key) throws DNSSEC.DNSSECException |
| { |
| super(name, Type.DNSKEY, dclass, ttl, flags, proto, alg, |
| DNSSEC.fromPublicKey(key, alg)); |
| publicKey = key; |
| } |
| |
| void |
| rdataFromString(Tokenizer st, Name origin) throws IOException { |
| flags = st.getUInt16(); |
| proto = st.getUInt8(); |
| String algString = st.getString(); |
| alg = DNSSEC.Algorithm.value(algString); |
| if (alg < 0) |
| throw st.exception("Invalid algorithm: " + algString); |
| key = st.getBase64(); |
| } |
| |
| } |