IDigitalSignature

public interface IDigitalSignature

Digital signature in signed file.

Methods

Method	Description
getCertificate()	Certificate object that was used to sign the document.
isValid()	If this digital signature is valid and the document has not been tampered with, this value will be true.
getSignTime()	The time when the document was signed.
getComments()	The purpose of signature.
setComments(String value)	The purpose of signature.

getCertificate()

public abstract byte[] getCertificate()

Certificate object that was used to sign the document. Read-only byte[].

Returns: byte[]

isValid()

public abstract boolean isValid()

If this digital signature is valid and the document has not been tampered with, this value will be true. Read-only boolean.

---

Presentation pres = new Presentation("SomePresentationSigned.pptx");
 try
 {
     for (IDigitalSignature signature : pres.getDigitalSignatures())
         System.out.println("Signature check: " + (signature.isValid() ? "VALID" : "INVALID"));
 } finally {
     if (pres != null) pres.dispose();
 }

Returns: boolean

getSignTime()

public abstract Date getSignTime()

The time when the document was signed. Read-only java.util.Date.

---

Presentation pres = new Presentation("SomePresentationSigned.pptx");
 try
 {
     for (IDigitalSignature signature : pres.getDigitalSignatures())
         System.out.println("Signature check: " + (signature.IsValid ? "VALID" : "INVALID") + ", Signing time: " + signature.getSignTime());
 } finally {
     if (pres != null) pres.dispose();
 }

Returns: java.util.Date

getComments()

public abstract String getComments()

The purpose of signature. Read/write String.

Returns: java.lang.String

setComments(String value)

public abstract void setComments(String value)

The purpose of signature. Read/write String.

Parameters:

Parameter	Type	Description
value	java.lang.String