== Eksterne henvisninger ==
* [http://ec.europa.eu/information_society/eeurope/2005/all_about/security/electronic_sig_report.pdf E-Sign Final Report] {{Webarchive|url=https://web.archive.org/web/20121025224724/http://ec.europa.eu/information_society/eeurope/2005/all_about/security/electronic_sig_report.pdf |date=25. oktober 2012 }} (2005, [[Europæiske Union]])
* [https://web.archive.org/web/20090408073109/http://www.jsboard.co.uk/publications/digisigs/index.htm Judicial Studies Board Digital Signature Guidelines]
* [http://biometrics.gov/Documents/DynamicSig.pdf Dynamic signatures] {{Webarchive|url=https://web.archive.org/web/20161222164359/http://www.biometrics.gov/Documents/DynamicSig.pdf |date=22. december 2016 }}
Datalogi Teknologi Matematik