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Top Description Methods
sun.security.util

public Interface SliceableSecretKey

Imports
javax.crypto.SecretKey
An interface for SecretKeys that support using its slice as a new SecretKey.

This is mainly used by PKCS #11 implementations that support the EXTRACT_KEY_FROM_KEY mechanism even if the key itself is sensitive and non-extractable.

Method Summary

Modifier and TypeMethod and Description
public SecretKey

Returns:

the new key
slice(String
the new algorithm name
alg, int
the byte offset of the new key in the full key
from, int
the to offset (exclusive) of the new key in the full key
to)

Returns a slice as a new SecretKey.

Method Detail

sliceback to summary
public SecretKey slice(String alg, int from, int to)

Returns a slice as a new SecretKey.

Parameters
alg:String

the new algorithm name

from:int

the byte offset of the new key in the full key

to:int

the to offset (exclusive) of the new key in the full key

Returns:SecretKey

the new key

Exceptions
ArrayIndexOutOfBoundsException:
for improper from and to values
UnsupportedOperationException:
if slicing is not supported