Pharow, Peter and Blobel, Bernd (2005) Electronic signatures for long-lasting storage purposes in electronic archives. International Journal of Medical Informatics 74 (2-4), pp. 279-287.
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Communication and co-operation in healthcare and welfare require a certain set of trusted third party (TTP) services describing both status and relation of communicating principals as well as their corresponding keys and attributes. Additional TTP services are needed to provide trustworthy information about dynamic issues of communication and co-operation such as time and location of processes, workflow relations, and system behaviour. Legal and ethical requirements demand securely stored patient information and well-defined access rights. Among others, electronic signatures based on asymmetric cryptography are important means for securing the integrity of a message or file as well as for accountability purposes including non-repudiation of both origin and receipt. Electronic signatures along with certified time stamps or time signatures are especially important for electronic archives in general, electronic health records (EHR) in particular, and especially for typical purposes of long-lasting storage. Apart from technical storage problems (e.g. lifetime of the storage devices, interoperability of retrieval and presentation software), this paper identifies mechanisms of e.g. re-signing and re-stamping of data items, files, messages, sets of archived items or documents, archive structures, and even whole archives.
|Institutions:||Medicine > Zentren des Universitätsklinikums Regensburg > eHealth Competence Center|
|Keywords:||Public key infrastructure; Trusted third party; Electronic signature; Time stamp; Electronic archive; Electronic health record|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||14 Oct 2008 13:43|
|Last Modified:||17 Nov 2009 04:04|