# Regulation (EU) No 910/2014 of the European Parliament and of the Council of 23 July 2014 on electronic identification and trust services for electronic transactions in the internal market and repealing Directive 1999/93/EC, Division 1: Qualified electronic signature creation devices shall ensure, by appropriate technical and procedural means, that at least:

Extent: E+W+S+N.I.

(a) the confidentiality of the electronic signature creation data used for electronic signature creation is reasonably assured;
(b) the electronic signature creation data used for electronic signature creation can practically occur only once;
(c) the electronic signature creation data used for electronic signature creation cannot, with reasonable assurance, be derived and the electronic signature is reliably protected against forgery using currently available technology;
(d) the electronic signature creation data used for electronic signature creation can be reliably protected by the legitimate signatory against use by others.

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Source: https://www.legislation.gov.uk/eur/2014/910/annex/II/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-910/annex-II/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.