org.dihedron.crypto.operations.sign.pdf

Class PdfSigner

java.lang.Object

org.dihedron.crypto.CryptoService

org.dihedron.crypto.operations.sign.Signer

org.dihedron.crypto.operations.sign.pdf.PdfSigner

public class PdfSigner
extends Signer

Author:

Andrea Funto'

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PdfSigner.Mode

Field Summary

Fields inherited from class org.dihedron.crypto.operations.sign.Signer

keyring, provider

Constructor Summary

Constructors

Constructor and Description
PdfSigner(String alias, KeyRing keyring, Provider provider)
PdfSigner(String alias, KeyRing keyring, Provider provider, PdfSigner.Mode mode) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	initialise() Initialises the object.
byte[]	sign(byte[] data) Signs the given set of data.
boolean	verify(byte[] signed) Verifies the signature of the given set of encapsulated data.
boolean	verify(byte[] signed, byte[] data) Verifies the signature of the given set of detached data.

Methods inherited from class org.dihedron.crypto.operations.sign.Signer

getAlias, getKeyRing, getProvider, isEncapsulateData

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfSigner

public PdfSigner(String alias,
         KeyRing keyring,
         Provider provider)
          throws CryptoException

Throws:

CryptoException

PdfSigner

public PdfSigner(String alias,
         KeyRing keyring,
         Provider provider,
         PdfSigner.Mode mode)
          throws CryptoException

Constructor.

Throws:

CryptoException

Method Detail

initialise

public void initialise()
                throws CryptoException

Description copied from class: Signer

Initialises the object.

Specified by:

initialise in class Signer

Throws:

CryptoException - if anything went wrong accessing, opening or interpreting the keystore.

sign

public byte[] sign(byte[] data)
            throws CryptoException

Description copied from class: Signer

Signs the given set of data.

Specified by:

sign in class Signer

Parameters:

data - the data to be signed.

Returns:

the signed data as a byte array.

Throws:

CryptoException

verify

public boolean verify(byte[] signed)
               throws CryptoException

Description copied from class: Signer

Verifies the signature of the given set of encapsulated data.

Specified by:

verify in class Signer

Parameters:

signed - the encapsulated data.

Returns:

whether the signature is valid.

Throws:

CryptoException

verify

public boolean verify(byte[] signed,
             byte[] data)
               throws CryptoException

Description copied from class: Signer

Verifies the signature of the given set of detached data.

Specified by:

verify in class Signer

Parameters:

signed - the detached data whose signature is to be verified.

data - the original, plain text data.

Returns:

Throws:

CryptoException