author | jjg |
Mon, 15 Aug 2011 11:48:20 -0700 | |
changeset 10336 | 0bb1999251f8 |
parent 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
2 | 1 |
/* |
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
|
2 |
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package sun.security.x509; |
|
27 |
||
28 |
import java.io.IOException; |
|
29 |
import java.io.OutputStream; |
|
30 |
import java.security.cert.CertificateException; |
|
31 |
import java.security.cert.CertificateParsingException; |
|
32 |
import java.security.cert.CertificateExpiredException; |
|
33 |
import java.security.cert.CertificateNotYetValidException; |
|
34 |
import java.util.Date; |
|
35 |
import java.util.Enumeration; |
|
36 |
||
37 |
import sun.security.util.*; |
|
38 |
||
39 |
/** |
|
40 |
* This class defines the Private Key Usage Extension. |
|
41 |
* |
|
42 |
* <p>The Private Key Usage Period extension allows the certificate issuer |
|
43 |
* to specify a different validity period for the private key than the |
|
44 |
* certificate. This extension is intended for use with digital |
|
45 |
* signature keys. This extension consists of two optional components |
|
46 |
* notBefore and notAfter. The private key associated with the |
|
47 |
* certificate should not be used to sign objects before or after the |
|
48 |
* times specified by the two components, respectively. |
|
49 |
* |
|
50 |
* <pre> |
|
51 |
* PrivateKeyUsagePeriod ::= SEQUENCE { |
|
52 |
* notBefore [0] GeneralizedTime OPTIONAL, |
|
53 |
* notAfter [1] GeneralizedTime OPTIONAL } |
|
54 |
* </pre> |
|
55 |
* |
|
56 |
* @author Amit Kapoor |
|
57 |
* @author Hemma Prafullchandra |
|
58 |
* @see Extension |
|
59 |
* @see CertAttrSet |
|
60 |
*/ |
|
61 |
public class PrivateKeyUsageExtension extends Extension |
|
62 |
implements CertAttrSet<String> { |
|
63 |
/** |
|
64 |
* Identifier for this attribute, to be used with the |
|
65 |
* get, set, delete methods of Certificate, x509 type. |
|
66 |
*/ |
|
67 |
public static final String IDENT = "x509.info.extensions.PrivateKeyUsage"; |
|
68 |
/** |
|
69 |
* Sub attributes name for this CertAttrSet. |
|
70 |
*/ |
|
71 |
public static final String NAME = "PrivateKeyUsage"; |
|
72 |
public static final String NOT_BEFORE = "not_before"; |
|
73 |
public static final String NOT_AFTER = "not_after"; |
|
74 |
||
75 |
// Private data members |
|
76 |
private static final byte TAG_BEFORE = 0; |
|
77 |
private static final byte TAG_AFTER = 1; |
|
78 |
||
79 |
private Date notBefore = null; |
|
80 |
private Date notAfter = null; |
|
81 |
||
82 |
// Encode this extension value. |
|
83 |
private void encodeThis() throws IOException { |
|
84 |
if (notBefore == null && notAfter == null) { |
|
85 |
this.extensionValue = null; |
|
86 |
return; |
|
87 |
} |
|
88 |
DerOutputStream seq = new DerOutputStream(); |
|
89 |
||
90 |
DerOutputStream tagged = new DerOutputStream(); |
|
91 |
if (notBefore != null) { |
|
92 |
DerOutputStream tmp = new DerOutputStream(); |
|
93 |
tmp.putGeneralizedTime(notBefore); |
|
94 |
tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, |
|
95 |
false, TAG_BEFORE), tmp); |
|
96 |
} |
|
97 |
if (notAfter != null) { |
|
98 |
DerOutputStream tmp = new DerOutputStream(); |
|
99 |
tmp.putGeneralizedTime(notAfter); |
|
100 |
tagged.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, |
|
101 |
false, TAG_AFTER), tmp); |
|
102 |
} |
|
103 |
seq.write(DerValue.tag_Sequence, tagged); |
|
104 |
this.extensionValue = seq.toByteArray(); |
|
105 |
} |
|
106 |
||
107 |
/** |
|
108 |
* The default constructor for PrivateKeyUsageExtension. |
|
109 |
* |
|
110 |
* @param notBefore the date/time before which the private key |
|
111 |
* should not be used. |
|
112 |
* @param notAfter the date/time after which the private key |
|
113 |
* should not be used. |
|
114 |
*/ |
|
115 |
public PrivateKeyUsageExtension(Date notBefore, Date notAfter) |
|
116 |
throws IOException { |
|
117 |
this.notBefore = notBefore; |
|
118 |
this.notAfter = notAfter; |
|
119 |
||
120 |
this.extensionId = PKIXExtensions.PrivateKeyUsage_Id; |
|
121 |
this.critical = false; |
|
122 |
encodeThis(); |
|
123 |
} |
|
124 |
||
125 |
/** |
|
126 |
* Create the extension from the passed DER encoded value. |
|
127 |
* |
|
128 |
* @param critical true if the extension is to be treated as critical. |
|
129 |
* @param value an array of DER encoded bytes of the actual value. |
|
130 |
* @exception ClassCastException if value is not an array of bytes |
|
131 |
* @exception CertificateException on certificate parsing errors. |
|
132 |
* @exception IOException on error. |
|
133 |
*/ |
|
134 |
public PrivateKeyUsageExtension(Boolean critical, Object value) |
|
135 |
throws CertificateException, IOException { |
|
136 |
this.extensionId = PKIXExtensions.PrivateKeyUsage_Id; |
|
137 |
this.critical = critical.booleanValue(); |
|
138 |
||
139 |
this.extensionValue = (byte[]) value; |
|
140 |
DerInputStream str = new DerInputStream(this.extensionValue); |
|
141 |
DerValue[] seq = str.getSequence(2); |
|
142 |
||
143 |
// NB. this is always encoded with the IMPLICIT tag |
|
144 |
// The checks only make sense if we assume implicit tagging, |
|
145 |
// with explicit tagging the form is always constructed. |
|
146 |
for (int i = 0; i < seq.length; i++) { |
|
147 |
DerValue opt = seq[i]; |
|
148 |
||
149 |
if (opt.isContextSpecific(TAG_BEFORE) && |
|
150 |
!opt.isConstructed()) { |
|
151 |
if (notBefore != null) { |
|
152 |
throw new CertificateParsingException( |
|
153 |
"Duplicate notBefore in PrivateKeyUsage."); |
|
154 |
} |
|
155 |
opt.resetTag(DerValue.tag_GeneralizedTime); |
|
156 |
str = new DerInputStream(opt.toByteArray()); |
|
157 |
notBefore = str.getGeneralizedTime(); |
|
158 |
||
159 |
} else if (opt.isContextSpecific(TAG_AFTER) && |
|
160 |
!opt.isConstructed()) { |
|
161 |
if (notAfter != null) { |
|
162 |
throw new CertificateParsingException( |
|
163 |
"Duplicate notAfter in PrivateKeyUsage."); |
|
164 |
} |
|
165 |
opt.resetTag(DerValue.tag_GeneralizedTime); |
|
166 |
str = new DerInputStream(opt.toByteArray()); |
|
167 |
notAfter = str.getGeneralizedTime(); |
|
168 |
} else |
|
169 |
throw new IOException("Invalid encoding of " + |
|
170 |
"PrivateKeyUsageExtension"); |
|
171 |
} |
|
172 |
} |
|
173 |
||
174 |
/** |
|
175 |
* Return the printable string. |
|
176 |
*/ |
|
177 |
public String toString() { |
|
178 |
return(super.toString() + |
|
179 |
"PrivateKeyUsage: [\n" + |
|
180 |
((notBefore == null) ? "" : "From: " + notBefore.toString() + ", ") |
|
181 |
+ ((notAfter == null) ? "" : "To: " + notAfter.toString()) |
|
182 |
+ "]\n"); |
|
183 |
} |
|
184 |
||
185 |
/** |
|
186 |
* Verify that that the current time is within the validity period. |
|
187 |
* |
|
188 |
* @exception CertificateExpiredException if the certificate has expired. |
|
189 |
* @exception CertificateNotYetValidException if the certificate is not |
|
190 |
* yet valid. |
|
191 |
*/ |
|
192 |
public void valid() |
|
193 |
throws CertificateNotYetValidException, CertificateExpiredException { |
|
194 |
Date now = new Date(); |
|
195 |
valid(now); |
|
196 |
} |
|
197 |
||
198 |
/** |
|
199 |
* Verify that that the passed time is within the validity period. |
|
200 |
* |
|
201 |
* @exception CertificateExpiredException if the certificate has expired |
|
202 |
* with respect to the <code>Date</code> supplied. |
|
203 |
* @exception CertificateNotYetValidException if the certificate is not |
|
204 |
* yet valid with respect to the <code>Date</code> supplied. |
|
205 |
* |
|
206 |
*/ |
|
207 |
public void valid(Date now) |
|
208 |
throws CertificateNotYetValidException, CertificateExpiredException { |
|
209 |
/* |
|
210 |
* we use the internal Dates rather than the passed in Date |
|
211 |
* because someone could override the Date methods after() |
|
212 |
* and before() to do something entirely different. |
|
213 |
*/ |
|
214 |
if (notBefore.after(now)) { |
|
215 |
throw new CertificateNotYetValidException("NotBefore: " + |
|
216 |
notBefore.toString()); |
|
217 |
} |
|
218 |
if (notAfter.before(now)) { |
|
219 |
throw new CertificateExpiredException("NotAfter: " + |
|
220 |
notAfter.toString()); |
|
221 |
} |
|
222 |
} |
|
223 |
||
224 |
/** |
|
225 |
* Write the extension to the OutputStream. |
|
226 |
* |
|
227 |
* @param out the OutputStream to write the extension to. |
|
228 |
* @exception IOException on encoding errors. |
|
229 |
*/ |
|
230 |
public void encode(OutputStream out) throws IOException { |
|
231 |
DerOutputStream tmp = new DerOutputStream(); |
|
232 |
if (extensionValue == null) { |
|
233 |
extensionId = PKIXExtensions.PrivateKeyUsage_Id; |
|
234 |
critical = false; |
|
235 |
encodeThis(); |
|
236 |
} |
|
237 |
super.encode(tmp); |
|
238 |
out.write(tmp.toByteArray()); |
|
239 |
} |
|
240 |
||
241 |
/** |
|
242 |
* Set the attribute value. |
|
243 |
* @exception CertificateException on attribute handling errors. |
|
244 |
*/ |
|
245 |
public void set(String name, Object obj) |
|
246 |
throws CertificateException, IOException { |
|
247 |
if (!(obj instanceof Date)) { |
|
248 |
throw new CertificateException("Attribute must be of type Date."); |
|
249 |
} |
|
250 |
if (name.equalsIgnoreCase(NOT_BEFORE)) { |
|
251 |
notBefore = (Date)obj; |
|
252 |
} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
|
253 |
notAfter = (Date)obj; |
|
254 |
} else { |
|
255 |
throw new CertificateException("Attribute name not recognized by" |
|
256 |
+ " CertAttrSet:PrivateKeyUsage."); |
|
257 |
} |
|
258 |
encodeThis(); |
|
259 |
} |
|
260 |
||
261 |
/** |
|
262 |
* Get the attribute value. |
|
263 |
* @exception CertificateException on attribute handling errors. |
|
264 |
*/ |
|
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
|
265 |
public Date get(String name) throws CertificateException { |
2 | 266 |
if (name.equalsIgnoreCase(NOT_BEFORE)) { |
267 |
return (new Date(notBefore.getTime())); |
|
268 |
} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
|
269 |
return (new Date(notAfter.getTime())); |
|
270 |
} else { |
|
271 |
throw new CertificateException("Attribute name not recognized by" |
|
272 |
+ " CertAttrSet:PrivateKeyUsage."); |
|
273 |
} |
|
274 |
} |
|
275 |
||
276 |
/** |
|
277 |
* Delete the attribute value. |
|
278 |
* @exception CertificateException on attribute handling errors. |
|
279 |
*/ |
|
280 |
public void delete(String name) throws CertificateException, IOException { |
|
281 |
if (name.equalsIgnoreCase(NOT_BEFORE)) { |
|
282 |
notBefore = null; |
|
283 |
} else if (name.equalsIgnoreCase(NOT_AFTER)) { |
|
284 |
notAfter = null; |
|
285 |
} else { |
|
286 |
throw new CertificateException("Attribute name not recognized by" |
|
287 |
+ " CertAttrSet:PrivateKeyUsage."); |
|
288 |
} |
|
289 |
encodeThis(); |
|
290 |
} |
|
291 |
||
292 |
/** |
|
293 |
* Return an enumeration of names of attributes existing within this |
|
294 |
* attribute. |
|
295 |
*/ |
|
296 |
public Enumeration<String> getElements() { |
|
297 |
AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
|
298 |
elements.addElement(NOT_BEFORE); |
|
299 |
elements.addElement(NOT_AFTER); |
|
300 |
||
301 |
return(elements.elements()); |
|
302 |
} |
|
303 |
||
304 |
/** |
|
305 |
* Return the name of this attribute. |
|
306 |
*/ |
|
307 |
public String getName() { |
|
308 |
return(NAME); |
|
309 |
} |
|
310 |
} |