PDF (ISO 32000), PDF/A (ISO 19005), PAdES (ETSI TS 102 778) signatures

Visible Signatures

Invisible Signatures

Certify (Author) Signatures

Approval Signatures

Adobe® CDS Signatures

PAdES Part 2 (Basic)

PAdES Part 3 (Enhanced)

PAdES Part 4 (Long term)

XML (W3C), XAdES (ETSI TS 101 903) signatures

XML DSig

XAdES-EPES

XAdES2-BES

XAdES-T

XAdES-C

XAdES-X (Type 2)

XAdES-X-L

XAdES-A

CMS, PKCS#7, CAdES (ETSI TS 101 733) signatures

CMS/PKCS#7/ and S/MIME

CAdES-BES

CAdES-EPES

CAdES-T

CAdES-C

CAdES-X-L

CAdES-A