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Class netscape.security.x509.PolicyConstraintsExtension

netscape.security.x509.Extension
   |
   +----netscape.security.x509.PolicyConstraintsExtension

public class PolicyConstraintsExtension
extends Extension
implements CertAttrSet
This class defines the certificate extension which specifies the Policy constraints.

The policy constraints extension can be used in certificates issued to CAs. The policy constraints extension constrains path validation in two ways. It can be used to prohibit policy mapping or require that each certificate in a path contain an acceptable policy identifier.

The ASN.1 syntax for this is (IMPLICIT tagging is defined in the module definition):

 PolicyConstraints ::= SEQUENCE {
     requireExplicitPolicy [0] SkipCerts OPTIONAL,
     inhibitPolicyMapping  [1] SkipCerts OPTIONAL
 }
 SkipCerts ::= INTEGER (0..MAX)
 

See Also:
Extension, CertAttrSet

Variable Index

 o IDENT
Identifier for this attribute, to be used with the get, set, delete methods of Certificate, x509 type.
 o INHIBIT
 o NAME
Attribute names.
 o REQUIRE

Constructor Index

 o PolicyConstraintsExtension(Boolean, Object)
Create the extension from its DER encoded value and criticality.
 o PolicyConstraintsExtension(int, int)
Create a PolicyConstraintsExtension object with both require explicit policy and inhibit policy mapping.

Method Index

 o decode(InputStream)
Decode the extension from the InputStream.
 o delete(String)
Delete the attribute value.
 o encode(OutputStream)
Write the extension to the DerOutputStream.
 o get(String)
Get the attribute value.
 o getElements()
Return an enumeration of names of attributes existing within this attribute.
 o getName()
Return the name of this attribute.
 o set(String, Object)
Set the attribute value.
 o toString()
Return the extension as user readable string.

Variables

 o IDENT
 public static final String IDENT
Identifier for this attribute, to be used with the get, set, delete methods of Certificate, x509 type.

 o NAME
 public static final String NAME
Attribute names.

 o REQUIRE
 public static final String REQUIRE
 o INHIBIT
 public static final String INHIBIT

Constructors

 o PolicyConstraintsExtension
 public PolicyConstraintsExtension(int require,
                                   int inhibit) throws IOException
Create a PolicyConstraintsExtension object with both require explicit policy and inhibit policy mapping.

Parameters:
require - require explicit policy (-1 for optional).
inhibit - inhibit policy mapping (-1 for optional).
 o PolicyConstraintsExtension
 public PolicyConstraintsExtension(Boolean critical,
                                   Object value) throws IOException
Create the extension from its DER encoded value and criticality.

Parameters:
critical - true if the extension is to be treated as critical.
value - Array of DER encoded bytes of the actual value.
Throws: IOException
on error.

Methods

 o toString
 public String toString()
Return the extension as user readable string.

Overrides:
toString in class Extension
 o decode
 public void decode(InputStream in) throws IOException
Decode the extension from the InputStream.

Parameters:
in - the InputStream to unmarshal the contents from.
Throws: IOException
on decoding or validity errors.
 o encode
 public void encode(OutputStream out) throws IOException
Write the extension to the DerOutputStream.

Parameters:
out - the DerOutputStream to write the extension to.
Throws: IOException
on encoding errors.
 o set
 public void set(String name,
                 Object obj) throws IOException
Set the attribute value.

 o get
 public Object get(String name) throws IOException
Get the attribute value.

 o delete
 public void delete(String name) throws IOException
Delete the attribute value.

 o getElements
 public Enumeration getElements()
Return an enumeration of names of attributes existing within this attribute.

 o getName
 public String getName()
Return the name of this attribute.


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