Signature /SubFilter value

Returns the signature's /SubFilter field (e.g. "adbe.pkcs7.detached", "ETSI.CAdES.detached", "adbe.x509.rsa_sha1"). ASCII. Wraps FPDFSignatureObj_GetSubFilter.

Usage

pdf_signature_sub_filter(sig)

Arguments

sig

A pdfium_signature handle from pdf_signatures().

Value

Character scalar.