APPENDIX I
1138
Computation of Object Digests
To accomplish this, the document object digest does not include pages that have a
value for the
TemplateInstantiated
entry (see Table 3.27), indicating that they are
instantiated from a named page. At the time the signature is verified, the follow-
ing occurs:
An object digest is computed for every named page in the document.
Using the same method, an object digest is computed for every page in the doc-
ument that has a
TemplateInstantiated
entry and matched against the digest for
the corresponding named page.
Verification succeeds only if the digests match for all instantiated pages in the
document.
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