The requirements of each level are built on the requirements of the level below it, such that a qualified electronic signature meets the most requirements and a 'simple' electronic signature the least.Īn electronic signature is defined as "data in electronic form which is attached to or logically associated with other data in electronic form and which is used by the signatory to sign".
The eIDAS Regulation defines three levels of electronic signature: 'simple' electronic signature, advanced electronic signature and qualified electronic signature.
More information about the levels of electronic signatures can be found in the FAQ entry What are the levels (simple, advanced and qualified) of electronic signatures? These two concepts should be distinguished, as all electronic signatures are not necessarily digital signatures. The definition given by ETSI TR 119 100 is that of data appended to, or a cryptographic transformation of a data unit that allows a recipient of the data unit to prove the source and integrity of the data unit and protect against forgery e.g. “‘electronic signature’ means data in electronic form which is attached to or logically associated with other data in electronic form and which is used by the signatory to sign ” (eIDAS Article 3.10)Ī digital signature, on the other hand, refers to a mathematical and cryptographic concept that is widely used to provide concrete and practical instances of electronic signature. An ‘electronic signature’ is a legal concept that is defined in eIDAS by the following:
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