java.security.cert

## Class X509CRLEntry

- java.lang.Object
- - java.security.cert.X509CRLEntry

- All Implemented Interfaces:
    X509Extension

      public abstract class X509CRLEntry
      extends Object
      implements X509Extension

  Abstract class for a revoked certificate in a CRL (Certificate Revocation List). The ASN.1 definition for revokedCertificates is:

       revokedCertificates    SEQUENCE OF SEQUENCE  {
           userCertificate    CertificateSerialNumber,
           revocationDate     ChoiceOfTime,
           crlEntryExtensions Extensions OPTIONAL
                              -- if present, must be v2
       }  OPTIONAL

       CertificateSerialNumber  ::=  INTEGER

       Extensions  ::=  SEQUENCE SIZE (1..MAX) OF Extension

       Extension  ::=  SEQUENCE  {
           extnId        OBJECT IDENTIFIER,
           critical      BOOLEAN DEFAULT FALSE,
           extnValue     OCTET STRING
                         -- contains a DER encoding of a value
                         -- of the type registered for use with
                         -- the extnId object identifier value
       }

  See Also:
    `X509CRL`, `X509Extension`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `X509CRLEntry()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `equals(Object other)` Compares this CRL entry for equality with the given object.
    `X500Principal` | `getCertificateIssuer()` Get the issuer of the X509Certificate described by this entry.
    `abstract byte[]` | `getEncoded()` Returns the ASN.1 DER-encoded form of this CRL Entry, that is the inner SEQUENCE.
    `abstract Date` | `getRevocationDate()` Gets the revocation date from this X509CRLEntry, the revocationDate.
    `CRLReason` | `getRevocationReason()` Returns the reason the certificate has been revoked, as specified in the Reason Code extension of this CRL entry.
    `abstract BigInteger` | `getSerialNumber()` Gets the serial number from this X509CRLEntry, the userCertificate.
    `abstract boolean` | `hasExtensions()` Returns true if this CRL entry has extensions.
    `int` | `hashCode()` Returns a hashcode value for this CRL entry from its encoded form.
    `abstract String` | `toString()` Returns a string representation of this CRL entry.

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface java.security.cert.X509Extension

      `getCriticalExtensionOIDs, getExtensionValue, getNonCriticalExtensionOIDs, hasUnsupportedCriticalExtension`

- - ### Constructor Detail

    - #### X509CRLEntry

          public X509CRLEntry()

  - ### Method Detail

    - #### equals

          public boolean equals(Object other)

      Compares this CRL entry for equality with the given object. If the `other` object is an `instanceof` `X509CRLEntry`, then its encoded form (the inner SEQUENCE) is retrieved and compared with the encoded form of this CRL entry.
      Overrides:
        `equals` in class `Object`
      Parameters:
        `other` - the object to test for equality with this CRL entry.
      Returns:
        true iff the encoded forms of the two CRL entries match, false otherwise.
      See Also:
        `Object.hashCode()`, `HashMap`

    - #### hashCode

          public int hashCode()

      Returns a hashcode value for this CRL entry from its encoded form.
      Overrides:
        `hashCode` in class `Object`
      Returns:
        the hashcode value.
      See Also:
        `Object.equals(java.lang.Object)`, `System.identityHashCode(java.lang.Object)`

    - #### getEncoded

          public abstract byte[] getEncoded()
                                     throws CRLException

      Returns the ASN.1 DER-encoded form of this CRL Entry, that is the inner SEQUENCE.
      Returns:
        the encoded form of this certificate
      Throws:
        `CRLException` - if an encoding error occurs.

    - #### getSerialNumber

          public abstract BigInteger getSerialNumber()

      Gets the serial number from this X509CRLEntry, the userCertificate.
      Returns:
        the serial number.

    - #### getCertificateIssuer

          public X500Principal getCertificateIssuer()

      Get the issuer of the X509Certificate described by this entry. If the certificate issuer is also the CRL issuer, this method returns null.

      This method is used with indirect CRLs. The default implementation always returns null. Subclasses that wish to support indirect CRLs should override it.

      Returns:
        the issuer of the X509Certificate described by this entry or null if it is issued by the CRL issuer.
      Since:
        1.5

    - #### getRevocationDate

          public abstract Date getRevocationDate()

      Gets the revocation date from this X509CRLEntry, the revocationDate.
      Returns:
        the revocation date.

    - #### hasExtensions

          public abstract boolean hasExtensions()

      Returns true if this CRL entry has extensions.
      Returns:
        true if this entry has extensions, false otherwise.

    - #### toString

          public abstract String toString()

      Returns a string representation of this CRL entry.
      Overrides:
        `toString` in class `Object`
      Returns:
        a string representation of this CRL entry.

    - #### getRevocationReason

          public CRLReason getRevocationReason()

      Returns the reason the certificate has been revoked, as specified in the Reason Code extension of this CRL entry.
      Returns:
        the reason the certificate has been revoked, or `null` if this CRL entry does not have a Reason Code extension
      Since:
        1.7

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