Cryptographic Streams

This chapter discusses filter streams for cryptography. The Java core API contains two of these in the java.security package, DigestInputStream and DigestOutputStream. The javax.crypto package contains two more, CipherInputStream and CipherOutputStream. All four of these streams use an engine object to handle the filtering. DigestInputStream and DigestOutputStream use a MessageDigest object while CipherInputStream and CipherOutputStream use a Cipher object. The streams rely on the programmer to properly initialize andin the case of the digest streamsclean up after the engines. Therefore, we'll first look at the engine classes and then at the streams built around these engines.

Basic I/O

Introducing I/O

Output Streams

Input Streams

Data Sources

File Streams

Network Streams

Filter Streams

Filter Streams

Print Streams

Data Streams

Streams in Memory

Compressing Streams

JAR Archives

Cryptographic Streams

Object Serialization

New I/O

Buffers

Channels

Nonblocking I/O

The File System

Working with Files

File Dialogs and Choosers

Text

Character Sets and Unicode

Readers and Writers

Formatted I/O with java.text

Devices

The Java Communications API

USB

The J2ME Generic Connection Framework

Bluetooth

Character Sets



Java I/O
Java I/O
ISBN: 0596527500
EAN: 2147483647
Year: 2004
Pages: 244

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