## Uses of Interface
java.security.cert.X509Extension

- Packages that use X509Extension
  Package | Description
  --- | ---
  java.security.cert | Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.

- - ### Uses of X509Extension in java.security.cert

    Classes in java.security.cert that implement X509Extension
    Modifier and Type | Class and Description
    --- | ---
    `class` | `X509Certificate` Abstract class for X.509 certificates.
    `class` | `X509CRL` Abstract class for an X.509 Certificate Revocation List (CRL).
    `class` | `X509CRLEntry` Abstract class for a revoked certificate in a CRL (Certificate Revocation List).

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