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java.lang.Object | +--com.ibm.security12.sun.security.x509.Extension | +--com.ibm.security12.sun.security.x509.SubjectKeyIdentifierExtension
Represent the Subject Key Identifier Extension. This extension, if present, provides a means of identifying the particular public key used in an application. This extension by default is marked non-critical.
Extensions are addiitonal attributes which can be inserted in a X509 v3 certificate. For example a "Driving License Certificate" could have the driving license number as a extension.
Extensions are represented as a sequence of the extension identifier (Object Identifier), a boolean flag stating whether the extension is to be treated as being critical and the extension value itself (this is again a DER encoding of the extension value).
Extension
,
CertAttrSet
Field Summary | |
static String |
IDENT
Identifier for this attribute, to be used with the get, set, delete methods of Certificate, x509 type. |
static String |
KEY_ID
|
static String |
NAME
Attribute names. |
Fields inherited from class com.ibm.security12.sun.security.x509.Extension |
critical,
extensionId,
extensionValue |
Constructor Summary | |
SubjectKeyIdentifierExtension(Boolean critical,
Object value)
Create the extension from the passed DER encoded value. |
|
SubjectKeyIdentifierExtension(byte[] octetString)
Create a SubjectKeyIdentifierExtension with the passed octet string. |
Method Summary | |
void |
decode(InputStream in)
Decode the extension from the InputStream. |
void |
delete(String name)
Delete the attribute value. |
void |
encode(OutputStream out)
Write the extension to the OutputStream. |
Object |
get(String name)
Get the attribute value. |
Enumeration |
getElements()
Return an enumeration of names of attributes existing within this attribute. |
String |
getName()
Return the name of this attribute. |
void |
set(String name,
Object obj)
Set the attribute value. |
String |
toString()
Returns a printable representation. |
Methods inherited from class com.ibm.security12.sun.security.x509.Extension |
encode,
equals,
getExtensionId,
getExtensionValue,
hashCode,
isCritical |
Methods inherited from class java.lang.Object |
clone,
finalize,
getClass,
notify,
notifyAll,
wait,
wait,
wait |
Field Detail |
public static final String IDENT
public static final String NAME
public static final String KEY_ID
Constructor Detail |
public SubjectKeyIdentifierExtension(byte[] octetString) throws IOException
octetString
- the octet string identifying the key identifier.public SubjectKeyIdentifierExtension(Boolean critical, Object value) throws IOException
critical
- true if the extension is to be treated as critical.value
- Array of DER encoded bytes of the actual value.Method Detail |
public String toString()
public void encode(OutputStream out) throws IOException
out
- the OutputStream to write the extension to.public void decode(InputStream in) throws IOException
in
- the InputStream to unmarshal the contents from.public void set(String name, Object obj) throws IOException
public Object get(String name) throws IOException
public void delete(String name) throws IOException
public Enumeration getElements()
public String getName()
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