Minor correction. The next version of PDF will be 2.0 to coincide with ISO
32000-2.
Leonard
On 7/14/09 9:51 AM, "1T3XT info" <[email protected]> wrote:
Leen Verleyen wrote:
> At this moment the signature is a PDF 1.4 format, but we like to have a PDF
> 1.8 format.
> Is this version already supported?
PDF versions go from 1.0 (corresponding with Acrobat 1) to 1.7
(corresponding with Acrobat 8). PDF 1.7 was used as the basis for
ISO-32000. PDF 1.8 doesn't exist.
The PDF format created with Acrobat 9.0 is PDF 1.7, but it's possible to
use Adobe Extensions with a specific "Extension Level".
All future versions of PDF will be defined as such: 1.7 is the highest
possible version number; but there will be different extension levels
from different companies.
> Is there a possibility to change the PDF version of the digital signatures?
I'm sorry, but even regardless of the fact if you're using iText(Sharp)
or not, your question doesn't make any sense: there is no PDF 1.8 format.
Please rephrase it so that we can understand what you're talking about.
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Leonard Rosenthol
PDF Standards Architect
Adobe Systems Incorporated
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