Package net.jsign.cat

Class CatalogFile

java.lang.Object

net.jsign.cat.CatalogFile

All Implemented Interfaces:

Closeable, AutoCloseable, Signable

public class CatalogFile
extends Object
implements Signable

Windows Catalog file.

Since:

4.2

See Also:

Windows Drivers - Catalog Files and Digital Signatures

Constructor Summary

Constructors

Constructor	Description
CatalogFile(File file)	Create a Windows catalog from the specified file.
CatalogFile(SeekableByteChannel channel)	Create a Windows catalog from the specified channel.

Method Summary

Modifier and Type	Method	Description
void	close()
byte[]	computeDigest(MessageDigest digest)	Computes the digest of the file.
org.bouncycastle.asn1.cms.ContentInfo	createContentInfo(DigestAlgorithm digestAlgorithm)	Creates the ContentInfo structure to be signed.
ASN1Object	createIndirectData(DigestAlgorithm digestAlgorithm)	Creates the SpcIndirectDataContent structure containing the digest of the file.
List<CMSSignedData>	getSignatures()	Returns the Authenticode signatures on the file.
static boolean	isCatalogFile(File file)	Tells if the specified file is a Windows catalog file.
void	save()	Saves the file.
void	setSignature(CMSSignedData signature)	Sets the signature of the file, overwriting the previous one.

Methods inherited from class java.lang.Object

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

Constructor Detail

CatalogFile

public CatalogFile(File file)
            throws IOException

Create a Windows catalog from the specified file.

Parameters:

file - the file to open

Throws:

IOException - if an I/O error occurs

CatalogFile

public CatalogFile(SeekableByteChannel channel)
            throws IOException

Create a Windows catalog from the specified channel.

Parameters:

channel - the channel to read the file from

Throws:

IOException - if an I/O error occurs

Method Detail

isCatalogFile

public static boolean isCatalogFile(File file)

Tells if the specified file is a Windows catalog file.

Parameters:

file - the file to check

Returns:

true if the file is a Windows catalog, false otherwise

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

createContentInfo

public org.bouncycastle.asn1.cms.ContentInfo createContentInfo(DigestAlgorithm digestAlgorithm)

Description copied from interface: Signable

Creates the ContentInfo structure to be signed.

Specified by:

createContentInfo in interface Signable

Parameters:

digestAlgorithm - the digest algorithm to use

Returns:

the ContentInfo structure in ASN.1 format

computeDigest

public byte[] computeDigest(MessageDigest digest)

Description copied from interface: Signable

Computes the digest of the file.

Specified by:

computeDigest in interface Signable

Parameters:

digest - the message digest to update

Returns:

the digest of the file

createIndirectData

public ASN1Object createIndirectData(DigestAlgorithm digestAlgorithm)

Description copied from interface: Signable

Creates the SpcIndirectDataContent structure containing the digest of the file.

Specified by:

createIndirectData in interface Signable

Parameters:

digestAlgorithm - the digest algorithm to use

Returns:

the SpcIndirectDataContent structure in ASN.1 format

getSignatures

public List<CMSSignedData> getSignatures()
                                  throws IOException

Description copied from interface: Signable

Returns the Authenticode signatures on the file.

Specified by:

getSignatures in interface Signable

Returns:

the signatures

Throws:

IOException - if an I/O error occurs

setSignature

public void setSignature(CMSSignedData signature)

Description copied from interface: Signable

Sets the signature of the file, overwriting the previous one.

Specified by:

setSignature in interface Signable

Parameters:

signature - the signature to put

save

public void save()
          throws IOException

Description copied from interface: Signable

Saves the file.

Specified by:

save in interface Signable

Throws:

IOException - if an I/O error occurs