A key management system includes secured data stored on a first system secured by a control key stored securely on a key server. The secured data is secured against attacks such as unauthorized use, modification or access, where authorization to access the secured data is determined by knowledge of an...http://www.google.fr/patents/US7711122?utm_source=gb-gplus-shareBrevet US7711122 - Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys
Method and apparatus for cryptographic key storage wherein key servers are ...