Re #8472 - Added a parameter to the craete_sscrt method in CryptographyService in order to be able to specify tha number of days for which the generated certificate will be valid.
Re #8472 - Added missing docstrings to KeyService and CertificateService classes
Re #8472 - Implemented get_chain_of_trust method and added an integration test validating it
Added return type specification to read_all method in CertificateRepository
Re #8472 - Improved parse_cert_pem method in such way that it also parses notBefore and notAfter fields now
Re #8472 - Finished implementation of parse_cert_pem method that parses a subject out of a PEM formatted certificate
Added few unit tests testing this method.
Re #8472 - WIP commit of adding a method capable of parsing a Subject from a cert PEM
Re #8471 - Merge implement DAO - source code