A method and apparatus for verifying authenticity of a digital signature for an attribute value. In one embodiment, the method includes receiving a message including an attribute value of an attribute from a Lightweight Directory Access Protocol (LDAP) repository entry and a digital signature, and verifying...http://www.google.co.uk/patents/US8046585?utm_source=gb-gplus-sharePatent US8046585 - Verifying authenticity of an attribute value signature
