basic authentication for logging disabled LDAP support added some bugs fixed, algorithms adjusted interface for LDAP-API added; implementing class is declared by system property at.knowcenter.wag.egov.egiz.sig.LDAPAPI.SYS_PROP_IMPLEMENTATION ("pdfas.ldapapi.impl"); previous implementation DummyLDAPAPI serves as failback implementation if system property is not set, so version 2.3 provides backward compatibility to version 2.2 first release of PDF-AS