com.peterphi.std.crypto.digest

Class Digests

java.lang.Object

com.peterphi.std.crypto.digest.Digests

All Implemented Interfaces:

IDigestVerifier

public class Digests
extends java.lang.Object
implements IDigestVerifier

Represents a number of digests of some content

Constructor Summary

Constructors

Constructor and Description
Digests()

Method Summary

Methods

Modifier and Type	Method and Description
void	addDigest(DigestAlgorithm algorithm, java.lang.String digest)
java.util.Set<DigestAlgorithm>	getAlgorithms()
java.lang.String	getDigest(DigestAlgorithm algorithm)
IDigestVerifier	getVerifier()
IDigestVerifier	getVerifier(boolean preferSecure) Acquire a verifier capable of determining whether a download is valid If no digests are available then a verifier will be returned that considers anything valid
void	seal()
boolean	verify(byte[] content)
boolean	verify(java.nio.channels.ByteChannel channel)
boolean	verify(java.io.File file)
boolean	verify(java.io.InputStream is)

Methods inherited from class java.lang.Object

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

Constructor Detail

Digests

public Digests()

Method Detail

addDigest

public void addDigest(DigestAlgorithm algorithm,
             java.lang.String digest)

seal

public void seal()

getVerifier

public IDigestVerifier getVerifier()

Returns:

getAlgorithms

public java.util.Set<DigestAlgorithm> getAlgorithms()

getDigest

public java.lang.String getDigest(DigestAlgorithm algorithm)

getVerifier

public IDigestVerifier getVerifier(boolean preferSecure)

Acquire a verifier capable of determining whether a download is valid
If no digests are available then a verifier will be returned that considers anything valid

Parameters:

preferSecure -

Returns:

verify

public boolean verify(byte[] content)

Specified by:

verify in interface IDigestVerifier

See Also:

IDigestVerifier.verify(byte[])

verify

public boolean verify(java.io.File file)
               throws java.io.IOException

Specified by:

verify in interface IDigestVerifier

Throws:

java.io.IOException

See Also:

IDigestVerifier.verify(java.io.File)

verify

public boolean verify(java.io.InputStream is)
               throws java.io.IOException

Specified by:

verify in interface IDigestVerifier

Throws:

java.io.IOException

See Also:

IDigestVerifier.verify(java.io.InputStream)

verify

public boolean verify(java.nio.channels.ByteChannel channel)
               throws java.io.IOException

Specified by:

verify in interface IDigestVerifier

Throws:

java.io.IOException

See Also:

IDigestVerifier.verify(java.nio.channels.ByteChannel)