Digital-signature metadata and document-coverage inspection.
This namespace does not perform cryptographic signature validation, certificate chain validation, revocation checking, or trust-anchor evaluation. The coverage flag is only an integrity signal showing whether a signature ByteRange spans the complete original PDF except for one signature-contents gap.
Digital-signature metadata and document-coverage inspection. This namespace does not perform cryptographic signature validation, certificate chain validation, revocation checking, or trust-anchor evaluation. The coverage flag is only an integrity signal showing whether a signature ByteRange spans the complete original PDF except for one signature-contents gap.
(signatures doc)Return a vector of signature metadata maps from doc.
Present PDF fields are returned as :name, :reason, :location,
:contact-info, :signing-time, :sub-filter, :filter, and :byte-range.
:covers-whole-document? compares the ByteRange with the retained original
source length and requires exactly one gap. It is omitted if that length cannot
be obtained. This is an integrity signal only: cryptographic signature validity,
certificate trust, and revocation status are not checked.
Return a vector of signature metadata maps from `doc`. Present PDF fields are returned as `:name`, `:reason`, `:location`, `:contact-info`, `:signing-time`, `:sub-filter`, `:filter`, and `:byte-range`. `:covers-whole-document?` compares the ByteRange with the retained original source length and requires exactly one gap. It is omitted if that length cannot be obtained. This is an integrity signal only: cryptographic signature validity, certificate trust, and revocation status are not checked.
(signed? doc)Return true when doc contains at least one signature dictionary.
This reports presence only. It does not validate cryptographic signatures, certificates, revocation status, or trust.
Return true when `doc` contains at least one signature dictionary. This reports presence only. It does not validate cryptographic signatures, certificates, revocation status, or trust.
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