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DS/ETSI EN 319 142-1 V1.2.1:2024
Electronic Signatures and Infrastructures (ESI); PAdES digital signatures; Part 1: Building blocks and PAdES baseline signatures
The present document specifies PAdES digital signatures. PAdES signatures build on PDF signatures specified in*ISO 32000-1 [1] with an alternative signature encoding to support digital signature formats equivalent to the signature*format CAdES as specified in ETSI EN 319 122-1 [2], by incorporation of signed and unsigned attributes, which fulfil*certain common requirements (such as the long term validity of digital signatures) in a number of use cases.*The present document specifies formats for PAdES baseline signatures, which provide the basic features necessary for a*wide range of business and governmental use cases for electronic procedures and communications to be applicable to a*wide range of communities when there is a clear need for interoperability of digital signatures used in electronic*documents.*The present document defines four levels of PAdES baseline signatures addressing incremental requirements to*maintain the validity of the signatures over the long term, in a way that a certain level always addresses all the*requirements addressed at levels that are below it. Each level requires the presence of certain PAdES attributes, suitably*profiled for reducing the optionality as much as possible.*Procedures for creation, augmentation, and validation of PAdES digital signatures are out of scope and specified in*ETSI EN 319 102-1 [i.5]. Guidance on creation, augmentation and validation of PAdES digital signatures including the*usage of the different attributes defined in the present document is provided in ETSI TR 119 100 [i.4]. The present*document aims at supporting electronic signatures in different regulatory frameworks.*NOTE: Specifically but not exclusively, PAdES digital signatures specified in the present document aim at*supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,*electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)*No 910/2014 [i.2].
Danish Standards [ds]