net.jsign.nuget

Class NugetFile

java.lang.Object

net.jsign.zip.ZipFile

net.jsign.nuget.NugetFile

All Implemented Interfaces:

Closeable, AutoCloseable, Signable

public class NugetFile
extends ZipFile
implements Signable

A NuGet package.

Since:

7.0

Author:

Sebastian Stamm

See Also:

NuGet Package Signatures Technical Specification, NuGet Repository Signatures and Countersignatures Technical Specification

Constructor Summary

Constructors

Constructor and Description
NugetFile(File file) Create an NuGet from the specified file.
NugetFile(SeekableByteChannel channel) Create an NuGet from the specified channel.

Method Summary

Modifier and Type	Method and Description
byte[]	computeDigest(DigestAlgorithm digestAlgorithm) Computes the digest of the file.
ASN1Object	createIndirectData(DigestAlgorithm digestAlgorithm) Creates the SpcIndirectDataContent structure containing the digest of the file.
List<org.bouncycastle.asn1.cms.Attribute>	createSignedAttributes(X509Certificate certificate) Creates the signed attributes to include in the signature.
CMSTypedData	createSignedContent(DigestAlgorithm digestAlgorithm) Creates the ContentInfo or EncapsulatedContentInfo structure to be signed.
List<CMSSignedData>	getSignatures() Returns the Authenticode signatures on the file.
void	save() Saves the file.
void	setSignature(CMSSignedData signature) Sets the signature of the file, overwriting the previous one.

Methods inherited from class net.jsign.zip.ZipFile

addEntry, close, getInputStream, getInputStream, removeEntry, renameEntry

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.jsign.Signable

of, of, validate

Methods inherited from interface java.io.Closeable

close

Constructor Detail

NugetFile

public NugetFile(File file)
          throws IOException

Create an NuGet from the specified file.

Parameters:

file - the file to open

Throws:

IOException - if an I/O error occurs

NugetFile

public NugetFile(SeekableByteChannel channel)
          throws IOException

Create an NuGet from the specified channel.

Parameters:

channel - the channel to read the file from

Throws:

IOException - if an I/O error occurs

Method Detail

computeDigest

public byte[] computeDigest(DigestAlgorithm digestAlgorithm)
                     throws IOException

Description copied from interface: Signable

Computes the digest of the file.

Specified by:

computeDigest in interface Signable

Parameters:

digestAlgorithm - the digest algorithm to use

Returns:

the digest of the file

Throws:

IOException - if an I/O error occurs

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

createSignedAttributes

public List<org.bouncycastle.asn1.cms.Attribute> createSignedAttributes(X509Certificate certificate)
                                                                 throws CertificateEncodingException

Description copied from interface: Signable

Creates the signed attributes to include in the signature.

Specified by:

createSignedAttributes in interface Signable

Parameters:

certificate - the signing certificate

Throws:

CertificateEncodingException

createSignedContent

public CMSTypedData createSignedContent(DigestAlgorithm digestAlgorithm)
                                 throws IOException

Description copied from interface: Signable

Creates the ContentInfo or EncapsulatedContentInfo structure to be signed.

Specified by:

createSignedContent in interface Signable

Parameters:

digestAlgorithm - the digest algorithm to use

Returns:

the ContentInfo or EncapsulatedContentInfo structure

Throws:

IOException - if an I/O error occurs

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

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

setSignature

public void setSignature(CMSSignedData signature)
                  throws IOException

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, or null to remove the signature

Throws:

IOException - if an I/O error occurs