Description
CS01:
Digital Signature Service Core Protocols, Elements, and Bindings Version 2.0
Committee Specification 01
04 July 2019 Draft 02
https://docs.oasis-open.org/dss-x/dss-core/v2.0/cs01/dss-core-v2.0-cs01.docx
https://docs.oasis-open.org/dss-x/dss-core/v2.0/cs01/dss-core-v2.0-cs01.html
https://docs.oasis-open.org/dss-x/dss-core/v2.0/cs01/dss-core-v2.0-cs01.pdf
JSON and XML schemas: https://docs.oasis-open.org/dss-x/dss-core/v2.0/cs01/schema/