KeyRep (Java Platform SE 6) (original) (raw)
java.security
Class KeyRep
java.lang.Object
java.security.KeyRep
All Implemented Interfaces:
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.
Since:
1.5
See Also:
Key, KeyFactory, SecretKeySpec, X509EncodedKeySpec, PKCS8EncodedKeySpec, Serialized Form
| Nested Class Summary | |
|---|---|
| static class | KeyRep.Type Key type. |
| Constructor Summary |
|---|
| [KeyRep](../../java/security/KeyRep.html#KeyRep%28java.security.KeyRep.Type, java.lang.String, java.lang.String, byte[]%29)(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](../../java/lang/Object.html#wait%28long, int%29) |
| 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 fromKey.getAlgorithm()
format - the encoding format returned fromKey.getFormat()
encoded - the encoded bytes returned fromKey.getEncoded()
Throws:
[NullPointerException](../../java/lang/NullPointerException.html "class in java.lang") - if type is null, if algorithm is null, if format is null, or if encoded is null
| 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](../../java/io/ObjectStreamException.html "class in java.io") - 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
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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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