|
1
17
18 package org.apache.geronimo.util.jce.provider;
19
20 import java.io.ByteArrayInputStream  ;
21 import java.io.ByteArrayOutputStream ;
22 import java.io.IOException ;
23 import java.io.ObjectInputStream ;
24 import java.io.ObjectOutputStream ;
25 import java.math.BigInteger ;
26 import java.security.interfaces.RSAPrivateKey ;
27 import java.security.spec.RSAPrivateKeySpec ;
28 import java.util.Enumeration ;
29 import java.util.Hashtable ;
30 import java.util.Vector ;
31
32 import org.apache.geronimo.util.asn1.ASN1InputStream;
33 import org.apache.geronimo.util.asn1.ASN1OutputStream;
34 import org.apache.geronimo.util.asn1.DEREncodable;
35 import org.apache.geronimo.util.asn1.DERObjectIdentifier;
36 import org.apache.geronimo.util.crypto.params.RSAKeyParameters;
37 import org.apache.geronimo.util.jce.interfaces.PKCS12BagAttributeCarrier;
38
39 public class JCERSAPrivateKey
40 implements RSAPrivateKey , PKCS12BagAttributeCarrier
41 {
42 protected BigInteger modulus;
43 protected BigInteger privateExponent;
44
45 private Hashtable pkcs12Attributes = new Hashtable ();
46 private Vector pkcs12Ordering = new Vector ();
47
48 protected JCERSAPrivateKey()
49 {
50 }
51
52 JCERSAPrivateKey(
53 RSAKeyParameters key)
54 {
55 this.modulus = key.getModulus();
56 this.privateExponent = key.getExponent();
57 }
58
59 JCERSAPrivateKey(
60 RSAPrivateKeySpec spec)
61 {
62 this.modulus = spec.getModulus();
63 this.privateExponent = spec.getPrivateExponent();
64 }
65
66 JCERSAPrivateKey(
67 RSAPrivateKey key)
68 {
69 this.modulus = key.getModulus();
70 this.privateExponent = key.getPrivateExponent();
71 }
72
73 public BigInteger getModulus()
74 {
75 return modulus;
76 }
77
78 public BigInteger getPrivateExponent()
79 {
80 return privateExponent;
81 }
82
83 public String getAlgorithm()
84 {
85 return "RSA";
86 }
87
88 public String getFormat()
89 {
90 return "NULL";
91 }
92
93 public byte[] getEncoded()
94 {
95 return null;
96 }
97
98 public boolean equals(Object o)
99 {
100 if ( !(o instanceof RSAPrivateKey ) )
101 {
102 return false;
103 }
104
105 if ( o == this )
106 {
107 return true;
108 }
109
110 RSAPrivateKey key = (RSAPrivateKey )o;
111
112 return getModulus().equals(key.getModulus())
113 && getPrivateExponent().equals(key.getPrivateExponent());
114 }
115
116 public void setBagAttribute(
117 DERObjectIdentifier oid,
118 DEREncodable attribute)
119 {
120 pkcs12Attributes.put(oid, attribute);
121 pkcs12Ordering.addElement(oid);
122 }
123
124 public DEREncodable getBagAttribute(
125 DERObjectIdentifier oid)
126 {
127 return (DEREncodable)pkcs12Attributes.get(oid);
128 }
129
130 public Enumeration getBagAttributeKeys()
131 {
132 return pkcs12Ordering.elements();
133 }
134
135 private void readObject(
136 ObjectInputStream in)
137 throws IOException , ClassNotFoundException
138 {
139 this.modulus = (BigInteger )in.readObject();
140
141 Object obj = in.readObject();
142
143 if (obj instanceof Hashtable )
144 {
145 this.pkcs12Attributes = (Hashtable )obj;
146 this.pkcs12Ordering = (Vector )in.readObject();
147 }
148 else
149 {
150 this.pkcs12Attributes = new Hashtable ();
151 this.pkcs12Ordering = new Vector ();
152
153 ByteArrayInputStream bIn = new ByteArrayInputStream ((byte[])obj);
154 ASN1InputStream aIn = new ASN1InputStream(bIn);
155
156 DERObjectIdentifier oid;
157
158 while ((oid = (DERObjectIdentifier)aIn.readObject()) != null)
159 {
160 this.setBagAttribute(oid, aIn.readObject());
161 }
162 }
163
164 this.privateExponent = (BigInteger )in.readObject();
165 }
166
167 private void writeObject(
168 ObjectOutputStream out)
169 throws IOException
170 {
171 out.writeObject(modulus);
172
173 if (pkcs12Ordering.size() == 0)
174 {
175 out.writeObject(pkcs12Attributes);
176 out.writeObject(pkcs12Ordering);
177 }
178 else
179 {
180 ByteArrayOutputStream bOut = new ByteArrayOutputStream ();
181 ASN1OutputStream aOut = new ASN1OutputStream(bOut);
182
183 Enumeration e = this.getBagAttributeKeys();
184
185 while (e.hasMoreElements())
186 {
187 DEREncodable oid = (DEREncodable)e.nextElement();
188
189 aOut.writeObject(oid);
190 aOut.writeObject(pkcs12Attributes.get(oid));
191 }
192
193 out.writeObject(bOut.toByteArray());
194 }
195
196 out.writeObject(privateExponent);
197 }
198 }
199 |
Popular Tags |
Java API By Example, From Geeks To Geeks.