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Nevertheless, it has to be highlighted that the digital signature on a document does not hinder
its modification. It simply assures that, if the digitally signed electronic document suffers
any alteration, this fact remains evident. For this reason legislators assign it a presumption of
integrity. (RIVOLTA; 2008)
Apart from that, an electronic document has to comply with the provisions of the Law about
the quality of being an “original” - article 11 - and about the conservation of digital documents
- article 12. It contains provisions relative to the consideration of original and to the written
aspect stressing that an electronic document compiles with those requirements as long as it is
accessible for a latter check. (RIVOLTA; 2010)
The system established by Law No. N° 25.506 is based on a Digital Signature Infrastructure
scheme which considers a digital signature only the one that has been produced through
the use of public key certificates issued by certifiers previously licensed by the Application
Authority, the Chief of the Cabinet’s Office.
Nevertheless, the Law provides for the case where the certificates have been issued by foreign
certification authorities. Such situation is established in the article 16, admitting its validity
under certain conditions. In effect, with respect to the validity of certificates issued by foreign
certification authorities, the Law reads:
Article 16: Acknowledgment of foreign certificates. Digital certificates issued by foreign
certification authorities shall be acknowledged under the same terms and conditions demanded
by the law and its regulations when:
a) They comply with the conditions established in the present law and its corresponding
regulations for certificates issued by national certification authorities and there is a valid
reciprocity agreement signed by the Argentine Republic and the certification authority of
the country of origin, or
b) Such certificates are acknowledged by a licensed certification authority in the country, which
shall ensure its validity and effect in compliance with the present Law. In order to have
effects, this acknowledgement shall be validated by the application authority.
The Law No. 25.506 establishes a Public Key Infrastructure scheme, constituting a system based
on asymmetric cryptography, with a public entity that grants the license and authorises the
operation of the certification authorities that issue the digital signature certificates and which
elements are described in the following chapters, specifically referred to the components of
the Digital Signature Infrastructure: digital certificates, licensed certification authorities, holders
of certificates, institutional organization, authorities, audit system, responsibility, sanctions
regimes,
Given the limitations in the extension of this article, only the main concepts established in the
law will be dealt with.
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