(in case when file digest is signed by more than one signer)
Only SHA256 HASH is supported
EDOC container is Equal to ASIC container just uses ".edoc" extension.
".edoc" is popular extension (legacy) in Latvia, but ".asice" extensions are used as well and are supported.
".asice" extension is EU recognized (in countries where ASICE containers are in use).
ASICE container contains XAdES (XML Advanced electronic signature).
ASICE container contains "META-INF" folder
Each signature creates a single XML file
Signature XML files Shall contain name "signatures" + index (in case of API "signatures0.xml or signatures1.xml")
All signature names shall be uniqe
To avoid same names, use "signatureIndex" property in "Add Document Digest" operation