net.sourceforge.blowfishj

Class BlowfishInputStream

java.lang.Object

java.io.InputStream

net.sourceforge.blowfishj.BlowfishInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class BlowfishInputStream
extends java.io.InputStream

An input stream that reads from a file created an instance of the net.sourceforge.blowfishj.BlowfishOutputStream class.

Author:

original version by Dale Anson

Constructor Summary

Constructors

Constructor and Description
BlowfishInputStream(byte[] key, int nOfs, int nLen, java.io.InputStream is) Default constructor.
BlowfishInputStream(java.lang.String sPassPhrase, java.io.InputStream is) Deprecated. due to the restrictions in usage and the discarding of some original key material it is highly recommended not to use it anymore

Method Summary

Modifier and Type	Method and Description
void	close()
int	read()

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

BlowfishInputStream

public BlowfishInputStream(byte[] key,
                           int nOfs,
                           int nLen,
                           java.io.InputStream is)
                    throws java.io.IOException

Default constructor. The key material gets transformed to a final 160bit key using SHA-1.

Parameters:

key - key buffer

nOfs - where the key material starts

nLen - size of the key material (in bytes)

is - the input stream from which bytes will be read

Throws:

java.io.IOException - if the IV couldn't be read out

BlowfishInputStream

public BlowfishInputStream(java.lang.String sPassPhrase,
                           java.io.InputStream is)
                    throws java.io.IOException

Deprecated. due to the restrictions in usage and the discarding of some original key material it is highly recommended not to use it anymore

Constructor using a string. The ASCII character values of the string are hashed with SHA-1, the digest is used as the final key.

Parameters:

sPassPhrase - the passphrase

is - the input stream from which bytes will be read

Throws:

java.io.IOException - if the IV couldn't be read out

Method Detail

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

See Also:

InputStream.read()

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

See Also:

InputStream.close()