java.lang.Object
- com.tom_roush.pdfbox.pdmodel.interactive.digitalsignature.PDSignature

All Implemented Interfaces:

COSObjectable
```
public class PDSignature
extends Object
implements COSObjectable
```
This represents a digital signature that can be attached to a document. To learn more about digital signatures, read Digital Signatures in a PDF by Adobe.

Field Summary

Fields
Modifier and Type	Field	Description
`static COSName`	`FILTER_ADOBE_PPKLITE`	A signature filter value.
`static COSName`	`FILTER_CICI_SIGNIT`	A signature filter value.
`static COSName`	`FILTER_ENTRUST_PPKEF`	A signature filter value.
`static COSName`	`FILTER_VERISIGN_PPKVS`	A signature filter value.
`static COSName`	`SUBFILTER_ADBE_PKCS7_DETACHED`	A signature subfilter value.
`static COSName`	`SUBFILTER_ADBE_PKCS7_SHA1`	A signature subfilter value.
`static COSName`	`SUBFILTER_ADBE_X509_RSA_SHA1`	A signature subfilter value.
`static COSName`	`SUBFILTER_ETSI_CADES_DETACHED`	A signature subfilter value.

Constructor Summary

Constructors
Constructor Description

PDSignature()
Default constructor.

PDSignature(COSDictionary dict)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int[]`	`getByteRange()`	Read out the byterange from the file.
`String`	`getContactInfo()`	Returns the contact info provided by the signer to enable a recipient to contact the signer to verify the signature, e.g.
`byte[]`	`getContents()`	Returns the /Contents string as a byte array, i.e.
`byte[]`	`getContents(byte[] pdfFile)`	Will return the embedded signature between the byterange gap.
`byte[]`	`getContents(InputStream pdfFile)`	Will return the embedded signature between the byterange gap.
`COSDictionary`	`getCOSObject()`	Convert this standard java object to a COS dictionary.
`String`	`getFilter()`	Returns the filter.
`String`	`getLocation()`	Returns the CPU host name or physical location of the signing.
`String`	`getName()`	Returns the name of the person or authority signing the document.
`PDPropBuild`	`getPropBuild()`	PDF signature build dictionary.
`String`	`getReason()`	Returns the reason for the signing, such as (I agree...).
`Calendar`	`getSignDate()`	Returns the sign date.
`byte[]`	`getSignedContent(byte[] pdfFile)`	Return the signed content of the document.
`byte[]`	`getSignedContent(InputStream pdfFile)`	Return the signed content of the document.
`String`	`getSubFilter()`	Returns the subfilter.
`void`	`setByteRange(int[] range)`	Sets the byte range.
`void`	`setContactInfo(String contactInfo)`	Sets the contact info provided by the signer to enable a recipient to contact the signer to verify the signature, e.g.
`void`	`setContents(byte[] bytes)`	Sets the contents.
`void`	`setFilter(COSName filter)`	Set the filter.
`void`	`setLocation(String location)`	Sets the CPU host name or physical location of the signing.
`void`	`setName(String name)`	Sets the name of the person or authority signing the document.
`void`	`setPropBuild(PDPropBuild propBuild)`	PDF signature build dictionary.
`void`	`setReason(String reason)`	Sets the reason for the signing, such as (I agree...).
`void`	`setSignDate(Calendar cal)`	Set the sign date.
`void`	`setSubFilter(COSName subfilter)`	Set a subfilter that specify the signature that should be used.
`void`	`setType(COSName type)`	Set the dictionary type.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - FILTER_ADOBE_PPKLITE
```
public static final COSName FILTER_ADOBE_PPKLITE
```
    A signature filter value.
  - FILTER_ENTRUST_PPKEF
```
public static final COSName FILTER_ENTRUST_PPKEF
```
    A signature filter value.
  - FILTER_CICI_SIGNIT
```
public static final COSName FILTER_CICI_SIGNIT
```
    A signature filter value.
  - FILTER_VERISIGN_PPKVS
```
public static final COSName FILTER_VERISIGN_PPKVS
```
    A signature filter value.
  - SUBFILTER_ADBE_X509_RSA_SHA1
```
public static final COSName SUBFILTER_ADBE_X509_RSA_SHA1
```
    A signature subfilter value.
  - SUBFILTER_ADBE_PKCS7_DETACHED
```
public static final COSName SUBFILTER_ADBE_PKCS7_DETACHED
```
    A signature subfilter value.
  - SUBFILTER_ETSI_CADES_DETACHED
```
public static final COSName SUBFILTER_ETSI_CADES_DETACHED
```
    A signature subfilter value.
  - SUBFILTER_ADBE_PKCS7_SHA1
```
public static final COSName SUBFILTER_ADBE_PKCS7_SHA1
```
    A signature subfilter value.
- Constructor Detail
  - PDSignature
```
public PDSignature()
```
    Default constructor.
  - PDSignature
```
public PDSignature(COSDictionary dict)
```
    Constructor.
    
    Parameters:
    
    dict - The signature dictionary.
- Method Detail
  - getCOSObject
```
public COSDictionary getCOSObject()
```
    Convert this standard java object to a COS dictionary.
    
    Specified by:
    
    getCOSObject in interface COSObjectable
    
    Returns:
    
    The COS dictionary that matches this Java object.
  - setType
```
public void setType(COSName type)
```
    Set the dictionary type.
    
    Parameters:
    
    type - is the dictionary type.
  - setFilter
```
public void setFilter(COSName filter)
```
    Set the filter.
    
    Parameters:
    
    filter - the filter to be used
  - setSubFilter
```
public void setSubFilter(COSName subfilter)
```
    Set a subfilter that specify the signature that should be used.
    
    Parameters:
    
    subfilter - the subfilter that shall be used.
  - setName
```
public void setName(String name)
```
    Sets the name of the person or authority signing the document. According to the PDF specification, this value should be used only when it is not possible to extract the name from the signature.
    
    Parameters:
    
    name - the name to be used
  - setLocation
```
public void setLocation(String location)
```
    Sets the CPU host name or physical location of the signing.
    
    Parameters:
    
    location - the location to be used
  - setReason
```
public void setReason(String reason)
```
    Sets the reason for the signing, such as (I agree...).
    
    Parameters:
    
    reason - the reason to be used
  - setContactInfo
```
public void setContactInfo(String contactInfo)
```
    Sets the contact info provided by the signer to enable a recipient to contact the signer to verify the signature, e.g. a phone number.
    
    Parameters:
    
    contactInfo - the contact info to be used
  - setSignDate
```
public void setSignDate(Calendar cal)
```
    Set the sign date.
    
    Parameters:
    
    cal - the date to be used as sign date
  - getFilter
```
public String getFilter()
```
    Returns the filter.
    
    Returns:
    
    the filter
  - getSubFilter
```
public String getSubFilter()
```
    Returns the subfilter.
    
    Returns:
    
    the subfilter
  - getName
```
public String getName()
```
    Returns the name of the person or authority signing the document. According to the PDF specification, this value should be used only when it is not possible to extract the name from the signature.
    
    Returns:
    
    the name
  - getLocation
```
public String getLocation()
```
    Returns the CPU host name or physical location of the signing.
    
    Returns:
    
    the location
  - getReason
```
public String getReason()
```
    Returns the reason for the signing, such as (I agree...).
    
    Returns:
    
    the reason
  - getContactInfo
```
public String getContactInfo()
```
    Returns the contact info provided by the signer to enable a recipient to contact the signer to verify the signature, e.g. a phone number.
    
    Returns:
    
    the contact info
  - getSignDate
```
public Calendar getSignDate()
```
    Returns the sign date.
    
    Returns:
    
    the sign date
  - setByteRange
```
public void setByteRange(int[] range)
```
    Sets the byte range.
    
    Parameters:
    
    range - the byte range to be used
  - getByteRange
```
public int[] getByteRange()
```
    Read out the byterange from the file.
    
    Returns:
    
    an integer array with the byterange, or an empty array if there is none.
  - getContents
```
public byte[] getContents()
```
    Returns the /Contents string as a byte array, i.e. the embedded signature between the byterange gap.
    
    Returns:
    
    a byte array containing the signature, or an empty array if there isn't any.
  - getContents
```
public byte[] getContents(InputStream pdfFile)
                   throws IOException
```
    Will return the embedded signature between the byterange gap.
    
    Parameters:
    
    pdfFile - The signed pdf file as InputStream. It will be closed in this method.
    
    Returns:
    
    a byte array containing the signature
    
    Throws:
    
    IOException - if the pdfFile can't be read
    
    IndexOutOfBoundsException - if the byterange array is not long enough
  - getContents
```
public byte[] getContents(byte[] pdfFile)
                   throws IOException
```
    Will return the embedded signature between the byterange gap.
    
    Parameters:
    
    pdfFile - The signed pdf file as byte array
    
    Returns:
    
    a byte array containing the signature
    
    Throws:
    
    IOException - if the pdfFile can't be read
    
    IndexOutOfBoundsException - if the byterange array is not long enough
  - setContents
```
public void setContents(byte[] bytes)
```
    Sets the contents.
    
    Parameters:
    
    bytes - contents to be used
  - getSignedContent
```
public byte[] getSignedContent(InputStream pdfFile)
                        throws IOException
```
    Return the signed content of the document. This is not a PDF file, nor is it the PDF file before signing, it is the byte sequence made of the input minus the area where the signature bytes will be. See "The ByteRange and signature value" in the document Digital Signatures in a PDF.
    
    Parameters:
    
    pdfFile - The signed pdf file as InputStream. It will be closed in this method.
    
    Returns:
    
    a byte array containing only the signed part of the content
    
    Throws:
    
    IOException - if the pdfFile can't be read
  - getSignedContent
```
public byte[] getSignedContent(byte[] pdfFile)
                        throws IOException
```
    Return the signed content of the document. This is not a PDF file, nor is it the PDF file before signing, it is the byte sequence made of the input minus the area where the signature bytes will be. See "The ByteRange and signature value" in the document Digital Signatures in a PDF.
    
    Parameters:
    
    pdfFile - The signed pdf file as byte array
    
    Returns:
    
    a byte array containing only the signed part of the content
    
    Throws:
    
    IOException - if the pdfFile can't be read
  - getPropBuild
```
public PDPropBuild getPropBuild()
```
    PDF signature build dictionary. Provides information about the signature handler.
    
    Returns:
    
    the pdf signature build dictionary.
  - setPropBuild
```
public void setPropBuild(PDPropBuild propBuild)
```
    PDF signature build dictionary. Provides information about the signature handler.
    
    Parameters:
    
    propBuild - the prop build

Constructor	Description
`PDSignature()`	Default constructor.
`PDSignature(COSDictionary dict)`	Constructor.

Class PDSignature

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

FILTER_ADOBE_PPKLITE

FILTER_ENTRUST_PPKEF

FILTER_CICI_SIGNIT

FILTER_VERISIGN_PPKVS

SUBFILTER_ADBE_X509_RSA_SHA1

SUBFILTER_ADBE_PKCS7_DETACHED

SUBFILTER_ETSI_CADES_DETACHED

SUBFILTER_ADBE_PKCS7_SHA1

Constructor Detail

PDSignature

PDSignature

Method Detail

getCOSObject

setType

setFilter

setSubFilter

setName

setLocation

setReason

setContactInfo

setSignDate

getFilter

getSubFilter

getName

getLocation

getReason

getContactInfo

getSignDate

setByteRange

getByteRange

getContents

getContents

getContents

setContents

getSignedContent

getSignedContent

getPropBuild

setPropBuild