| Package | Description | 
|---|---|
| com.itextpdf.signatures | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ExternalBlankSignatureContainer
             Produces a blank (or empty) signature. 
            | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | PdfSigner. signDeferred(PdfDocument document, String fieldName, OutputStream outs, IExternalSignatureContainer externalSignatureContainer)
             Signs a PDF where space was already reserved. 
            | 
| void | PdfSigner. signExternalContainer(IExternalSignatureContainer externalSignatureContainer, int estimatedSize)
             Sign the document using an external container, usually a PKCS7. 
            | 
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