- java.lang.Object
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- java.security.KeyRep
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- 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.
- Since:
- 1.5
- See Also:
Key,KeyFactory,SecretKeySpec,X509EncodedKeySpec,PKCS8EncodedKeySpec, Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class and Description static classKeyRep.TypeKey type.
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Constructor Summary
Constructors Constructor and Description KeyRep(KeyRep.Type type, String algorithm, String format, byte[] encoded)Construct the alternate Key class.
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Constructor Detail
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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.PRIVATEalgorithm- the algorithm returned fromKey.getAlgorithm()format- the encoding format returned fromKey.getFormat()encoded- the encoded bytes returned fromKey.getEncoded()- Throws:
NullPointerException- if type isnull, if algorithm isnull, if format isnull, or if encoded isnull
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Method Detail
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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
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Document created the 11/06/2005, last modified the 04/03/2020
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References
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