KeyRep (Java Platform SE 6)

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java.security
class KeyRep

java.lang.Object
  java.security.KeyRep

All Implemented Interfaces:: Serializable

public class KeyRep
extends Object
implements Serializable

Standardized representation for serialized Key objects.

Note that a serialized Key may contain sensitive information which should not be exposed in untrusted environments. See the Security Appendix of the Serialization Specification for more information.

Nested Class Summary
`static enum`	`KeyRep.Type` Key type.

Constructor Summary
`KeyRep(KeyRep.Type type, String algorithm, String format, byte[] encoded)` Construct the alternate Key class.

Method Summary
`protected Object`	`readResolve()` Resolve the Key object.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

KeyRep

public KeyRep(KeyRep.Type type,
              String algorithm,
              String format,
              byte[] encoded)

Construct the alternate Key class.

Parameters:: type - either one of Type.SECRET, Type.PUBLIC, or Type.PRIVATE; algorithm - the algorithm returned from Key.getAlgorithm(); format - the encoding format returned from Key.getFormat(); encoded - the encoded bytes returned from Key.getEncoded()

Method Detail

readResolve

protected Object readResolve()
                      throws ObjectStreamException

Resolve the Key object.

This method supports three Type/format combinations:

Type.SECRET/"RAW" - returns a SecretKeySpec object constructed using encoded key bytes and algorithm
Type.PUBLIC/"X.509" - gets a KeyFactory instance for the key algorithm, constructs an X509EncodedKeySpec with the encoded key bytes, and generates a public key from the spec
Type.PRIVATE/"PKCS#8" - gets a KeyFactory instance for the key algorithm, constructs a PKCS8EncodedKeySpec with the encoded key bytes, and generates a private key from the spec

Returns:: the resolved Key object
Throws:: ObjectStreamException - if the Type/format combination is unrecognized, if the algorithm, key format, or encoded key bytes are unrecognized/invalid, of if the resolution of the key fails for any reason