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oracle.security.xmlsec.enc
Class DecryptInputStream

java.lang.Object
java.io.InputStream
java.io.FilterInputStream
oracle.security.xmlsec.enc.DecryptInputStream

All Implemented Interfaces:

java.io.Closeable

public class DecryptInputStream

extends java.io.FilterInputStream

Similar to CipherInputStream, except it does two extra things a) skips over the nonce in the beginning b) does XML enc unpadding .
Note: the cipher object must be set up for NoPadding, or for ISO10126Padding
Note you must have already read the IV from the InputStream and set up the Cipher object with that IV before calling the DecryptInputStream constructor

Since:

release specific (what release of product did this appear in)

Version:

$Header: ldap/java/src/oracle/security/xmlsec/enc/DecryptInputStream.java /main/1 2008/12/17 15:42:25 pdatta Exp $

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

DecryptInputStream(java.io.InputStream in, javax.crypto.Cipher c, int nonceLength)

Method Summary

boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.FilterInputStream

available, close, mark, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

DecryptInputStream

public DecryptInputStream(java.io.InputStream in,
                          javax.crypto.Cipher c,
                          int nonceLength)

Method Detail

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.FilterInputStream

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