Suggested solution
logotypeInfo EXTENSION ::= {
IDENTIFIED BY id-pe-logotypeInfo }
id-pe-logotypeInfo OBJECT IDENTIFIER ::= {id-pe XX}
LogotypeSyntax ::= SEQUENCE OF LogotypeData
LogotypeData ::= SEQUENCE {
typeOfLogotype TypeOflogotype,
hashAlgorithm AlgorithmIdentifier,
logotypeDataHash OCTET STRING,
sourceDataUri IA5String OPTIONAL }
TypeOflogotype ::= CHOICE {
predefinedLogotypeType PredefinedLogotypeType,
LogotypeTypeID OBJECT IDENTIFIER }
PredefinedLogotypeType ::= INTEGER {
subject-organization-logotype(0),
issuer-organization-logotype(1)
(subject-organization-logotype|
issuer-organization-logotype|