| 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  
ExtKeyUsageSyntax field 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
  
IssuerAltName extension, (OID = 2.5.29.18). | 
Collection<List<?>> | 
X509Certificate.getSubjectAlternativeNames()
Gets an immutable collection of subject alternative names from the
  
SubjectAltName extension, (OID = 2.5.29.17). | 
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