Category

Development Platform
Home > SourceCode/Document > Crypt_Decrypt algrithms > CA program > View Code
CertID.java
Package: security.rar　[view]
Upload User: lior1029
Upload Date: 2013-05-07
Package Size: 209k
Code Size: 2k
Category:

CA program

Development Platform:

Java

CertID.java：Code Content
  1. package org.bouncycastle.asn1.ocsp;
  3. import org.bouncycastle.asn1.ASN1Sequence;
  4. import org.bouncycastle.asn1.ASN1TaggedObject;
  5. import org.bouncycastle.asn1.DERObject;
  6. import org.bouncycastle.asn1.DERSequence;
  7. import org.bouncycastle.asn1.DEREncodable;
  8. import org.bouncycastle.asn1.ASN1EncodableVector;
  9. import org.bouncycastle.asn1.DERInteger;
  10. import org.bouncycastle.asn1.ASN1OctetString;
  11. import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
  13. public class CertID
  14.     implements DEREncodable
  15. {
  16. AlgorithmIdentifier hashAlgorithm;
  17. ASN1OctetString issuerNameHash;
  18. ASN1OctetString issuerKeyHash;
  19. DERInteger serialNumber;
  21. public CertID(
  22. ASN1Sequence seq)
  23. {
  24. hashAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
  25. issuerNameHash = (ASN1OctetString)seq.getObjectAt(1);
  26. issuerKeyHash = (ASN1OctetString)seq.getObjectAt(2);
  27. serialNumber = (DERInteger)seq.getObjectAt(3);
  28. }
  30.     public static CertID getInstance(
  31.         ASN1TaggedObject obj,
  32.         boolean          explicit)
  33.     {
  34.         return getInstance(ASN1Sequence.getInstance(obj, explicit));
  35.     }
  37.     public static CertID getInstance(
  38.         Object  obj)
  39.     {
  40.         if (obj == null || obj instanceof CertID)
  41.         {
  42.             return (CertID)obj;
  43.         }
  44.         else if (obj instanceof ASN1Sequence)
  45.         {
  46.             return new CertID((ASN1Sequence)obj);
  47.         }
  49.         throw new IllegalArgumentException("unknown object in factory");
  50.     }
  52. public AlgorithmIdentifier getHashAlgorithm()
  53. {
  54. return hashAlgorithm;
  55. }
  57. public ASN1OctetString getIssuerNameHash()
  58. {
  59. return issuerNameHash;
  60. }
  62. public ASN1OctetString getIssuerKeyHash()
  63. {
  64. return issuerKeyHash;
  65. }
  67. public DERInteger getSerialNumber()
  68. {
  69. return serialNumber;
  70. }
  72. /**
  73.  * <pre>
  74.  * CertID          ::=     SEQUENCE {
  75.  *     hashAlgorithm       AlgorithmIdentifier,
  76.  *     issuerNameHash      OCTET STRING, -- Hash of Issuer's DN
  77.  *     issuerKeyHash       OCTET STRING, -- Hash of Issuers public key
  78.  *     serialNumber        CertificateSerialNumber }
  79.  * </pre>
  80.  */
  81. public DERObject getDERObject()
  82. {
  83. ASN1EncodableVector v = new ASN1EncodableVector();
  85. v.add(hashAlgorithm);
  86. v.add(issuerNameHash);
  87. v.add(issuerKeyHash);
  88. v.add(serialNumber);
  90. return new DERSequence(v);
  91. }
  92. }