x509name.java

bouncycastle 是一个JAVA安全提供者

package org.bouncycastle.asn1.x509;

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import org.bouncycastle.asn1.*;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;

/**
 * <pre>
 *     RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
 *
 *     RelativeDistinguishedName ::= SET SIZE (1..MAX) OF AttributeTypeAndValue
 *
 *     AttributeTypeAndValue ::= SEQUENCE {
 *                                   type  OBJECT IDENTIFIER,
 *                                   value ANY }
 * </pre>
 */
public class X509Name
    extends ASN1Encodable
{
    /**
     * country code - StringType(SIZE(2))
     */
    public static final DERObjectIdentifier C = new DERObjectIdentifier("2.5.4.6");

    /**
     * organization - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier O = new DERObjectIdentifier("2.5.4.10");

    /**
     * organizational unit name - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier OU = new DERObjectIdentifier("2.5.4.11");

    /**
     * Title
     */
    public static final DERObjectIdentifier T = new DERObjectIdentifier("2.5.4.12");

    /**
     * common name - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier CN = new DERObjectIdentifier("2.5.4.3");

    /**
     * device serial number name - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier SN = new DERObjectIdentifier("2.5.4.5");

    /**
     * locality name - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier L = new DERObjectIdentifier("2.5.4.7");

    /**
     * state, or province name - StringType(SIZE(1..64))
     */
    public static final DERObjectIdentifier ST = new DERObjectIdentifier("2.5.4.8");

    /**
     * Naming attributes of type X520name
     */
    public static final DERObjectIdentifier SURNAME = new DERObjectIdentifier("2.5.4.4");
    public static final DERObjectIdentifier GIVENNAME = new DERObjectIdentifier("2.5.4.42");
    public static final DERObjectIdentifier INITIALS = new DERObjectIdentifier("2.5.4.43");
    public static final DERObjectIdentifier GENERATION = new DERObjectIdentifier("2.5.4.44");
    public static final DERObjectIdentifier UNIQUE_IDENTIFIER = new DERObjectIdentifier("2.5.4.45");

    /**
     * Email address (RSA PKCS#9 extension) - IA5String.
     * <p>Note: if you're trying to be ultra orthodox, don't use this! It shouldn't be in here.
     */
    public static final DERObjectIdentifier EmailAddress = PKCSObjectIdentifiers.pkcs_9_at_emailAddress;
    
    /**
     * more from PKCS#9
     */
    public static final DERObjectIdentifier UnstructuredName = PKCSObjectIdentifiers.pkcs_9_at_unstructuredName;
    public static final DERObjectIdentifier UnstructuredAddress = PKCSObjectIdentifiers.pkcs_9_at_unstructuredAddress;
    
    /**
     * email address in Verisign certificates
     */
    public static final DERObjectIdentifier E = EmailAddress;
    
    /*
     * others...
     */
    public static final DERObjectIdentifier DC = new DERObjectIdentifier("0.9.2342.19200300.100.1.25");

    /**
     * LDAP User id.
     */
    public static final DERObjectIdentifier UID = new DERObjectIdentifier("0.9.2342.19200300.100.1.1");

    /**
     * look up table translating OID values into their common symbols - this static is scheduled for deletion
     */
    public static Hashtable OIDLookUp = new Hashtable();

    /**
     * determines whether or not strings should be processed and printed
     * from back to front.
     */
    public static boolean DefaultReverse = false;

    /**
     * default look up table translating OID values into their common symbols following
     * the convention in RFC 2253 with a few extras
     */
    public static Hashtable DefaultSymbols = OIDLookUp;

    /**
     * look up table translating OID values into their common symbols following the convention in RFC 2253
     * with a few extras
     */
    public static Hashtable RFC2253Symbols = new Hashtable();

    /**
     * look up table translating string values into their OIDS -
     * this static is scheduled for deletion
     */
    public static Hashtable SymbolLookUp = new Hashtable();

    /**
     * look up table translating common symbols into their OIDS.
     */
    public static Hashtable DefaultLookUp = SymbolLookUp;

    static
    {
        DefaultSymbols.put(C, "C");
        DefaultSymbols.put(O, "O");
        DefaultSymbols.put(T, "T");
        DefaultSymbols.put(OU, "OU");
        DefaultSymbols.put(CN, "CN");
        DefaultSymbols.put(L, "L");
        DefaultSymbols.put(ST, "ST");
        DefaultSymbols.put(SN, "SN");
        DefaultSymbols.put(EmailAddress, "E");
        DefaultSymbols.put(DC, "DC");
        DefaultSymbols.put(UID, "UID");
        DefaultSymbols.put(SURNAME, "SURNAME");
        DefaultSymbols.put(GIVENNAME, "GIVENNAME");
        DefaultSymbols.put(INITIALS, "INITIALS");
        DefaultSymbols.put(GENERATION, "GENERATION");
        DefaultSymbols.put(UnstructuredAddress, "unstructuredAddress");
        DefaultSymbols.put(UnstructuredName, "unstructuredName");

        RFC2253Symbols.put(C, "C");
        RFC2253Symbols.put(O, "O");
        RFC2253Symbols.put(T, "T");
        RFC2253Symbols.put(OU, "OU");
        RFC2253Symbols.put(CN, "CN");
        RFC2253Symbols.put(L, "L");
        RFC2253Symbols.put(ST, "ST");
        RFC2253Symbols.put(SN, "SN");
        RFC2253Symbols.put(EmailAddress, "EMAILADDRESS");
        RFC2253Symbols.put(DC, "DC");
        RFC2253Symbols.put(UID, "UID");
        RFC2253Symbols.put(SURNAME, "SURNAME");
        RFC2253Symbols.put(GIVENNAME, "GIVENNAME");
        RFC2253Symbols.put(INITIALS, "INITIALS");
        RFC2253Symbols.put(GENERATION, "GENERATION");

        DefaultLookUp.put("c", C);
        DefaultLookUp.put("o", O);
        DefaultLookUp.put("t", T);
        DefaultLookUp.put("ou", OU);
        DefaultLookUp.put("cn", CN);
        DefaultLookUp.put("l", L);
        DefaultLookUp.put("st", ST);
        DefaultLookUp.put("sn", SN);
        DefaultLookUp.put("emailaddress", E);
        DefaultLookUp.put("dc", DC);
        DefaultLookUp.put("e", E);
        DefaultLookUp.put("uid", UID);
        DefaultLookUp.put("surname", SURNAME);
        DefaultLookUp.put("givenname", GIVENNAME);
        DefaultLookUp.put("initials", INITIALS);
        DefaultLookUp.put("generation", GENERATION);
        DefaultLookUp.put("unstructuredaddress", UnstructuredAddress);
        DefaultLookUp.put("unstructuredname", UnstructuredName);
    }

    private X509NameEntryConverter  converter = null;
    private Vector                  ordering = new Vector();
    private Vector                  values = new Vector();
    private Vector                  added = new Vector();
    
    private ASN1Sequence            seq;

    /**
     * Return a X509Name based on the passed in tagged object.
     * 
     * @param obj tag object holding name.
     * @param explicit true if explicitly tagged false otherwise.
     * @return the X509Name
     */
    public static X509Name getInstance(
        ASN1TaggedObject obj,
        boolean          explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public static X509Name getInstance(
        Object  obj)
    {
        if (obj == null || obj instanceof X509Name)
        {
            return (X509Name)obj;
        }
        else if (obj instanceof ASN1Sequence)
        {
            return new X509Name((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("unknown object in factory");
    }

    /**
     * Constructor from ASN1Sequence
     *
     * the principal will be a list of constructed sets, each containing an (OID, String) pair.
     */
    public X509Name(
        ASN1Sequence  seq)
    {
        this.seq = seq;

        Enumeration e = seq.getObjects();

        while (e.hasMoreElements())
        {
            ASN1Set         set = (ASN1Set)e.nextElement();

            for (int i = 0; i < set.size(); i++) 
            {
                   ASN1Sequence s = (ASN1Sequence)set.getObjectAt(i);
                   
                   ordering.addElement(s.getObjectAt(0));
                   values.addElement(((DERString) s.getObjectAt(1)).getString());
                   added.addElement((i != 0) ? new Boolean(true) : new Boolean(false));
            }
        }
    }

    /**
     * constructor from a table of attributes.
     * <p>
     * it's is assumed the table contains OID/String pairs, and the contents
     * of the table are copied into an internal table as part of the 
     * construction process.
     * <p>
     * <b>Note:</b> if the name you are trying to generate should be
     * following a specific ordering, you should use the constructor
     * with the ordering specified below.
     */
    public X509Name(
        Hashtable  attributes)
    {
        this(null, attributes);
    }

    /**
     * Constructor from a table of attributes with ordering.
     * <p>
     * it's is assumed the table contains OID/String pairs, and the contents
     * of the table are copied into an internal table as part of the 
     * construction process. The ordering vector should contain the OIDs
     * in the order they are meant to be encoded or printed in toString.
     */
    public X509Name(
        Vector      ordering,
        Hashtable   attributes)
    {
        this(ordering, attributes, new X509DefaultEntryConverter());
    }
    
    /**
     * Constructor from a table of attributes with ordering.
     * <p>
     * it's is assumed the table contains OID/String pairs, and the contents
     * of the table are copied into an internal table as part of the 
     * construction process. The ordering vector should contain the OIDs
     * in the order they are meant to be encoded or printed in toString.
     * <p>
     * The passed in converter will be used to convert the strings into their
     * ASN.1 counterparts.
     */
    public X509Name(
        Vector                      ordering,
        Hashtable                   attributes,
        X509DefaultEntryConverter   converter)
    {
        this.converter = converter;
        
        if (ordering != null)
        {
            for (int i = 0; i != ordering.size(); i++)
            {
                this.ordering.addElement(ordering.elementAt(i));
                this.added.addElement(new Boolean(false));
            }
        }
        else
        {
            Enumeration     e = attributes.keys();

            while (e.hasMoreElements())
            {
                this.ordering.addElement(e.nextElement());
                this.added.addElement(new Boolean(false));
            }
        }

        for (int i = 0; i != this.ordering.size(); i++)
        {
            DERObjectIdentifier     oid = (DERObjectIdentifier)this.ordering.elementAt(i);