oracle.ifs.server

Class CipherUtilities

java.lang.Object

oracle.ifs.server.CipherUtilities

public class CipherUtilities
extends Object

CipherUtilities defines a set of utilities used to encrypt and decrypt InputStreams.

Author:

Dave Long

(Unpublished)

Method Summary

Modifier and Type	Method and Description
protected static long	generateEncryptionToken(S_LibrarySession session, Long cid) Derive an encryption token from the specified content ID.
protected static InputStream	getDecryptedInputStream(S_LibrarySession session, long token, InputStream is) Return an InputStream that wraps the specified InputStream and decrypts its contents.
protected static InputStream	getEncryptedInputStream(S_LibrarySession session, long token, InputStream is) Return an InputStream that wraps the specified InputStream and encrypts its contents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

generateEncryptionToken

protected static long generateEncryptionToken(S_LibrarySession session,
                                              Long cid)
                                       throws IfsException

Derive an encryption token from the specified content ID.

Parameters:

session - the session context

cid - the content ID used in storage

Returns:

the encryption token

Throws:

IfsException - if the operation fails

getEncryptedInputStream

protected static InputStream getEncryptedInputStream(S_LibrarySession session,
                                                     long token,
                                                     InputStream is)
                                              throws IfsException

Return an InputStream that wraps the specified InputStream and encrypts its contents.

Parameters:

session - the session context

token - the encryption token

is - the InputStream to wrap

Returns:

the wrapped stream

Throws:

IfsException - if the operation fails

getDecryptedInputStream

protected static InputStream getDecryptedInputStream(S_LibrarySession session,
                                                     long token,
                                                     InputStream is)
                                              throws IfsException

Return an InputStream that wraps the specified InputStream and decrypts its contents.

Parameters:

session - the session context

token - the encryption token

is - the InputStream to wrap

Returns:

the wrapped stream

Throws:

IfsException - if the operation fails