Multi-use keys para 3.17
Multi-use keys
3.17 Multi-use keys are keys that can be used to protect more than one item of information, or have been used for signature purposes as well as for putting information into an intelligible form or for protecting all the communications sent to a person only some of which may be the subject of a disclosure notice. Particular care should be taken when a multi-use key is required to access protected information or to disclose it in an intelligible form. The notice must explain explicitly what is required and that it is proportionate to what is sought to be achieved.[8]
- [8] See also paragraph 8.4