com.peterphi.std.crypto.digest.impl

Class AbstractDigester

java.lang.Object

com.peterphi.std.crypto.digest.impl.AbstractDigester

All Implemented Interfaces:

IDigester

Direct Known Subclasses:

JCEDigester

public abstract class AbstractDigester
extends java.lang.Object
implements IDigester

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractDigester.DigestEncoding

Constructor Summary

Constructors

Constructor and Description
AbstractDigester()
AbstractDigester(AbstractDigester.DigestEncoding encoding)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	digest(byte[] content) Produces the digest of a byte array
java.lang.String	digest(java.nio.channels.ByteChannel channel) Digests a ByteChannel; the performance of this method may possibly be higher (but it may also be slightly slower) than that of the InputStream method
java.lang.String	digest(java.io.File file) Produces the digest of a File
java.lang.String	digest(java.io.InputStream is) Produces the digest of an InputStream
protected java.lang.String	encode(byte[] unencoded)
abstract byte[]	makeDigest(byte[] content)
abstract byte[]	makeDigest(java.nio.channels.ByteChannel channel)
byte[]	makeDigest(java.io.File file)
abstract byte[]	makeDigest(java.io.InputStream is)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDigester

public AbstractDigester()

AbstractDigester

public AbstractDigester(AbstractDigester.DigestEncoding encoding)

Method Detail

digest

public final java.lang.String digest(byte[] content)

Description copied from interface: IDigester

Produces the digest of a byte array

Specified by:

digest in interface IDigester

Returns:

See Also:

IDigester.digest(byte[])

digest

public final java.lang.String digest(java.io.File file)
                              throws java.io.IOException

Description copied from interface: IDigester

Produces the digest of a File

Specified by:

digest in interface IDigester

Returns:

Throws:

java.io.IOException

See Also:

IDigester.digest(java.io.File)

digest

public final java.lang.String digest(java.io.InputStream is)
                              throws java.io.IOException

Description copied from interface: IDigester

Produces the digest of an InputStream

Specified by:

digest in interface IDigester

Returns:

Throws:

java.io.IOException

See Also:

IDigester.digest(java.io.InputStream)

digest

public final java.lang.String digest(java.nio.channels.ByteChannel channel)
                              throws java.io.IOException

Description copied from interface: IDigester

Digests a ByteChannel; the performance of this method may possibly be higher (but it may also be slightly slower) than that of the InputStream method

Specified by:

digest in interface IDigester

Returns:

Throws:

java.io.IOException

encode

protected final java.lang.String encode(byte[] unencoded)

makeDigest

public abstract byte[] makeDigest(byte[] content)

makeDigest

public byte[] makeDigest(java.io.File file)
                  throws java.io.IOException

Throws:

java.io.IOException

makeDigest

public abstract byte[] makeDigest(java.io.InputStream is)
                           throws java.io.IOException

Throws:

java.io.IOException

makeDigest

public abstract byte[] makeDigest(java.nio.channels.ByteChannel channel)
                           throws java.io.IOException

Throws:

java.io.IOException