| Package | Description | 
|---|---|
| java.security.cert | Provides classes and interfaces for parsing and managing
 certificates, certificate revocation lists (CRLs), and
 certification paths. | 
| Modifier and Type | Method and Description | 
|---|---|
| List<String> | X509Certificate. getExtendedKeyUsage()Gets an unmodifiable list of Strings representing the OBJECT
 IDENTIFIERs of the  ExtKeyUsageSyntaxfield of the
 extended key usage extension, (OID = 2.5.29.37). | 
| Collection<List<?>> | X509Certificate. getIssuerAlternativeNames()Gets an immutable collection of issuer alternative names from the
  IssuerAltNameextension, (OID = 2.5.29.18). | 
| Collection<List<?>> | X509Certificate. getSubjectAlternativeNames()Gets an immutable collection of subject alternative names from the
  SubjectAltNameextension, (OID = 2.5.29.17). | 
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