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## Package java.security.cert

Provides classes and interfaces for parsing and managing certificates.

See:
Description

Interface Summary
X509Extension | Interface for an X.509 extension.

Class Summary
Certificate | Abstract class for managing a variety of identity certificates.
Certificate.CertificateRep | Alternate Certificate class for serialization.
CertificateFactory | This class defines the functionality of a certificate factory, which is used to generate certificate and certificate revocation list (CRL) objects from their encodings.
CertificateFactorySpi | This class defines the Service Provider Interface (SPI) for the `CertificateFactory` class.
CRL | This class is an abstraction of certificate revocation lists (CRLs) that have different formats but important common uses.
X509Certificate | Abstract class for X.509 certificates.
X509CRL | Abstract class for an X.509 Certificate Revocation List (CRL).
X509CRLEntry | Abstract class for a revoked certificate in a CRL (Certificate Revocation List).

Exception Summary
CertificateEncodingException | Certificate Encoding Exception.
CertificateException | This exception indicates one of a variety of certificate problems.
CertificateExpiredException | Certificate Expired Exception.
CertificateNotYetValidException | Certificate is not yet valid exception.
CertificateParsingException | Certificate Parsing Exception.
CRLException | CRL (Certificate Revocation List) Exception

## Package java.security.cert Description

Provides classes and interfaces for parsing and managing certificates. It contains support for X.509 v3 certificates.

## Package Specification

- RFC 2459: X.509 Certificate and CRL Profile

## Related Documentation

For information about X.509 certificates, please see:

- http://www.ietf.org/rfc/rfc2459.txt
- Why should I care about X.509 certificates?

Since:
  1.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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