The encoding of a signature's value, written as the signature dictionary's SubFilter.
public enum PdfSignatureSubFilter
ISO 32000-2 §12.8.3.1, Table 260; §12.8.3.3 and §12.8.3.4.
kind:method, kind:property, kind:ctor. Press Esc to clear.AdobePkcs7Detachedadbe.pkcs7.detached: a detached CMS signature over the byte ranges (ISO 32000-2 §12.8.3.3), readable by every PDF version that has the digest algorithm (PDF 1.6 for SHA-256).EtsiCadesDetachedETSI.CAdES.detached: a PAdES signature (ISO 32000-2 §12.8.3.4; ETSI EN 319 142-1), here the baseline B-B level: a detached CMS signature whose signed attributes hold the content type, the message digest and the signing certificate, and no signing time. PDF 2.0.