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java.security.spec
Class X509EncodedKeySpec

java.lang.Object
  extended by java.security.spec.EncodedKeySpec
      extended by java.security.spec.X509EncodedKeySpec
All Implemented Interfaces:
KeySpec

public class X509EncodedKeySpec
extends EncodedKeySpec

This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type SubjectPublicKeyInfo. The SubjectPublicKeyInfo syntax is defined in the X.509 standard as follows:

 SubjectPublicKeyInfo ::= SEQUENCE {
   algorithm AlgorithmIdentifier,
   subjectPublicKey BIT STRING }
 

Since:
1.2
See Also:
Key, KeyFactory, KeySpec, EncodedKeySpec, PKCS8EncodedKeySpec

Constructor Summary
X509EncodedKeySpec(byte[] encodedKey)
          Creates a new X509EncodedKeySpec with the given encoded key.
 
Method Summary
 byte[] getEncoded()
          Returns the key bytes, encoded according to the X.509 standard.
 String getFormat()
          Returns the name of the encoding format associated with this key specification.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

X509EncodedKeySpec

public X509EncodedKeySpec(byte[] encodedKey)
Creates a new X509EncodedKeySpec with the given encoded key.

Parameters:
encodedKey - the key, which is assumed to be encoded according to the X.509 standard. The contents of the array are copied to protect against subsequent modification.
Throws:
NullPointerException - if encodedKey is null.
Method Detail

getEncoded

public byte[] getEncoded()
Returns the key bytes, encoded according to the X.509 standard.

Overrides:
getEncoded in class EncodedKeySpec
Returns:
the X.509 encoding of the key. Returns a new array each time this method is called.

getFormat

public final String getFormat()
Returns the name of the encoding format associated with this key specification.

Specified by:
getFormat in class EncodedKeySpec
Returns:
the string "X.509".

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