Source Code Cross Referenced for JDKX509CertificateFactory.java in  » Security » Bouncy-Castle » org » bouncycastle » jce » provider » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.jce.provider 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.bouncycastle.jce.provider;
002:
003:        import org.bouncycastle.asn1.ASN1InputStream;
004:        import org.bouncycastle.asn1.ASN1Sequence;
005:        import org.bouncycastle.asn1.ASN1Set;
006:        import org.bouncycastle.asn1.ASN1TaggedObject;
007:        import org.bouncycastle.asn1.DERObjectIdentifier;
008:        import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
009:        import org.bouncycastle.asn1.pkcs.SignedData;
010:        import org.bouncycastle.asn1.x509.CertificateList;
011:        import org.bouncycastle.asn1.x509.X509CertificateStructure;
012:
013:        import java.io.BufferedInputStream;
014:        import java.io.IOException;
015:        import java.io.InputStream;
016:        import java.security.cert.CRL;
017:        import java.security.cert.CRLException;
018:        import java.security.cert.CertPath;
019:        import java.security.cert.Certificate;
020:        import java.security.cert.CertificateException;
021:        import java.security.cert.CertificateFactorySpi;
022:        import java.security.cert.CertificateParsingException;
023:        import java.security.cert.X509Certificate;
024:        import java.util.ArrayList;
025:        import java.util.Collection;
026:        import java.util.Iterator;
027:        import java.util.List;
028:
029:        /**
030:         * class for dealing with X509 certificates.
031:         * <p>
032:         * At the moment this will deal with "-----BEGIN CERTIFICATE-----" to "-----END CERTIFICATE-----"
033:         * base 64 encoded certs, as well as the BER binaries of certificates and some classes of PKCS#7
034:         * objects.
035:         */
036:        public class JDKX509CertificateFactory extends CertificateFactorySpi {
037:            private static final PEMUtil PEM_CERT_PARSER = new PEMUtil(
038:                    "CERTIFICATE");
039:            private static final PEMUtil PEM_CRL_PARSER = new PEMUtil("CRL");
040:
041:            private ASN1Set sData = null;
042:            private int sDataObjectCount = 0;
043:            private InputStream currentStream = null;
044:
045:            private ASN1Set sCrlData = null;
046:            private int sCrlDataObjectCount = 0;
047:            private InputStream currentCrlStream = null;
048:
049:            private Certificate readDERCertificate(ASN1InputStream dIn)
050:                    throws IOException, CertificateParsingException {
051:                ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
052:
053:                if (seq.size() > 1
054:                        && seq.getObjectAt(0) instanceof  DERObjectIdentifier) {
055:                    if (seq.getObjectAt(0).equals(
056:                            PKCSObjectIdentifiers.signedData)) {
057:                        sData = new SignedData(ASN1Sequence.getInstance(
058:                                (ASN1TaggedObject) seq.getObjectAt(1), true))
059:                                .getCertificates();
060:
061:                        return getCertificate();
062:                    }
063:                }
064:
065:                return new X509CertificateObject(X509CertificateStructure
066:                        .getInstance(seq));
067:            }
068:
069:            private Certificate getCertificate()
070:                    throws CertificateParsingException {
071:                if (sData != null) {
072:                    while (sDataObjectCount < sData.size()) {
073:                        Object obj = sData.getObjectAt(sDataObjectCount++);
074:
075:                        if (obj instanceof  ASN1Sequence) {
076:                            return new X509CertificateObject(
077:                                    X509CertificateStructure.getInstance(obj));
078:                        }
079:                    }
080:                }
081:
082:                return null;
083:            }
084:
085:            private Certificate readPEMCertificate(InputStream in)
086:                    throws IOException, CertificateParsingException {
087:                ASN1Sequence seq = PEM_CERT_PARSER.readPEMObject(in);
088:
089:                if (seq != null) {
090:                    return new X509CertificateObject(X509CertificateStructure
091:                            .getInstance(seq));
092:                }
093:
094:                return null;
095:            }
096:
097:            private CRL readPEMCRL(InputStream in) throws IOException,
098:                    CRLException {
099:                ASN1Sequence seq = PEM_CRL_PARSER.readPEMObject(in);
100:
101:                if (seq != null) {
102:                    return new X509CRLObject(CertificateList.getInstance(seq));
103:                }
104:
105:                return null;
106:            }
107:
108:            private CRL readDERCRL(ASN1InputStream aIn) throws IOException,
109:                    CRLException {
110:                ASN1Sequence seq = (ASN1Sequence) aIn.readObject();
111:
112:                if (seq.size() > 1
113:                        && seq.getObjectAt(0) instanceof  DERObjectIdentifier) {
114:                    if (seq.getObjectAt(0).equals(
115:                            PKCSObjectIdentifiers.signedData)) {
116:                        sCrlData = new SignedData(ASN1Sequence.getInstance(
117:                                (ASN1TaggedObject) seq.getObjectAt(1), true))
118:                                .getCRLs();
119:
120:                        return getCRL();
121:                    }
122:                }
123:
124:                return new X509CRLObject(CertificateList.getInstance(seq));
125:            }
126:
127:            private CRL getCRL() throws CRLException {
128:                if (sCrlData == null || sCrlDataObjectCount >= sCrlData.size()) {
129:                    return null;
130:                }
131:
132:                return new X509CRLObject(CertificateList.getInstance(sCrlData
133:                        .getObjectAt(sCrlDataObjectCount++)));
134:            }
135:
136:            /**
137:             * Generates a certificate object and initializes it with the data
138:             * read from the input stream inStream.
139:             */
140:            public Certificate engineGenerateCertificate(InputStream in)
141:                    throws CertificateException {
142:                if (currentStream == null) {
143:                    currentStream = in;
144:                    sData = null;
145:                    sDataObjectCount = 0;
146:                } else if (currentStream != in) // reset if input stream has changed
147:                {
148:                    currentStream = in;
149:                    sData = null;
150:                    sDataObjectCount = 0;
151:                }
152:
153:                try {
154:                    if (sData != null) {
155:                        if (sDataObjectCount != sData.size()) {
156:                            return getCertificate();
157:                        } else {
158:                            sData = null;
159:                            sDataObjectCount = 0;
160:                            return null;
161:                        }
162:                    }
163:
164:                    if (!in.markSupported()) {
165:                        in = new BufferedInputStream(in);
166:                    }
167:
168:                    in.mark(10);
169:                    int tag = in.read();
170:
171:                    if (tag == -1) {
172:                        return null;
173:                    }
174:
175:                    if (tag != 0x30) // assume ascii PEM encoded.
176:                    {
177:                        in.reset();
178:                        return readPEMCertificate(in);
179:                    } else {
180:                        in.reset();
181:                        return readDERCertificate(new ASN1InputStream(in,
182:                                ProviderUtil.getReadLimit(in)));
183:                    }
184:                } catch (Exception e) {
185:                    throw new CertificateException(e.toString());
186:                }
187:            }
188:
189:            /**
190:             * Returns a (possibly empty) collection view of the certificates
191:             * read from the given input stream inStream.
192:             */
193:            public Collection engineGenerateCertificates(InputStream inStream)
194:                    throws CertificateException {
195:                Certificate cert;
196:                List certs = new ArrayList();
197:
198:                while ((cert = engineGenerateCertificate(inStream)) != null) {
199:                    certs.add(cert);
200:                }
201:
202:                return certs;
203:            }
204:
205:            /**
206:             * Generates a certificate revocation list (CRL) object and initializes
207:             * it with the data read from the input stream inStream.
208:             */
209:            public CRL engineGenerateCRL(InputStream inStream)
210:                    throws CRLException {
211:                if (currentCrlStream == null) {
212:                    currentCrlStream = inStream;
213:                    sCrlData = null;
214:                    sCrlDataObjectCount = 0;
215:                } else if (currentCrlStream != inStream) // reset if input stream has changed
216:                {
217:                    currentCrlStream = inStream;
218:                    sCrlData = null;
219:                    sCrlDataObjectCount = 0;
220:                }
221:
222:                try {
223:                    if (sCrlData != null) {
224:                        if (sCrlDataObjectCount != sCrlData.size()) {
225:                            return getCRL();
226:                        } else {
227:                            sCrlData = null;
228:                            sCrlDataObjectCount = 0;
229:                            return null;
230:                        }
231:                    }
232:
233:                    if (!inStream.markSupported()) {
234:                        inStream = new BufferedInputStream(inStream);
235:                    }
236:
237:                    inStream.mark(10);
238:                    if (inStream.read() != 0x30) // assume ascii PEM encoded.
239:                    {
240:                        inStream.reset();
241:                        return readPEMCRL(inStream);
242:                    } else {
243:                        inStream.reset();
244:                        return readDERCRL(new ASN1InputStream(inStream,
245:                                ProviderUtil.getReadLimit(inStream)));
246:                    }
247:                } catch (CRLException e) {
248:                    throw e;
249:                } catch (Exception e) {
250:                    throw new CRLException(e.toString());
251:                }
252:            }
253:
254:            /**
255:             * Returns a (possibly empty) collection view of the CRLs read from
256:             * the given input stream inStream.
257:             *
258:             * The inStream may contain a sequence of DER-encoded CRLs, or
259:             * a PKCS#7 CRL set.  This is a PKCS#7 SignedData object, with the
260:             * only signficant field being crls.  In particular the signature
261:             * and the contents are ignored.
262:             */
263:            public Collection engineGenerateCRLs(InputStream inStream)
264:                    throws CRLException {
265:                CRL crl;
266:                List crls = new ArrayList();
267:
268:                while ((crl = engineGenerateCRL(inStream)) != null) {
269:                    crls.add(crl);
270:                }
271:
272:                return crls;
273:            }
274:
275:            public Iterator engineGetCertPathEncodings() {
276:                return PKIXCertPath.certPathEncodings.iterator();
277:            }
278:
279:            public CertPath engineGenerateCertPath(InputStream inStream)
280:                    throws CertificateException {
281:                return engineGenerateCertPath(inStream, "PkiPath");
282:            }
283:
284:            public CertPath engineGenerateCertPath(InputStream inStream,
285:                    String encoding) throws CertificateException {
286:                return new PKIXCertPath(inStream, encoding);
287:            }
288:
289:            public CertPath engineGenerateCertPath(List certificates)
290:                    throws CertificateException {
291:                Iterator iter = certificates.iterator();
292:                Object obj;
293:                while (iter.hasNext()) {
294:                    obj = iter.next();
295:                    if (obj != null) {
296:                        if (!(obj instanceof  X509Certificate)) {
297:                            throw new CertificateException(
298:                                    "list contains non X509Certificate object while creating CertPath\n"
299:                                            + obj.toString());
300:                        }
301:                    }
302:                }
303:                return new PKIXCertPath(certificates);
304:            }
305:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.