1 " _, :;~ ,; ",H: .,' ',." . .' ':' ; .;.:': . '. .. ' .;.: .~~: ;.H,. ,"'.:: {'" ,'. ~,~ .::: i~' ,:' ~.·'r:.:,':' ( ... (2) The procurement process mentioned in paragraph 1 above shall be done on the Cameroon On line E-Procurement System (COLEPS), hereinafter referred to as "the dematerialisation platform". ARTICLE 2.- Within the meaning of this decree and its implementing instruments, the following definitions shall apply: a) Electronic certificate: an online document secured by the digital signature of its issuer, .which attests to the authenticity of its content; b) Encryption: a process of coding information with the use of a secret key to make it unreadable to unauthorised users with no knowledge of the key; c) Backup copy: a duplicate of. electronic application files and bids, meant to replace electronic application files and bids in case of specifically listed anomalies; d) Encoding: the process of converting information into a code that is unintelligible to third parties; e) Decryption: a reverse encryption operation; f) Dematerialisation: the replacement of physical documents or manual procedures with digital documents or automated methods. It involves the use of automated and paperless methods of processing, exchanging and storing information; g) Bidding document: any document or file containing information related to a tender; this includes a bidding document or any document serving that purpose; h) Electronic document: ail data recorded or stored in any device by a computer system or similar device and which can be read or viewed by someone or by such a system or device; i) Electronic physical document: an electronic document on a removable device. j) Date and time stamping: a technique aimed at recording the date and time of actions and events in order to trace ail access, activities and updates performed on the platform, in ways that can be used as evidence; k) Malicious computer programme: any programme or file that is harmful to the computer. Malicious programmes survive on the computer through replication or by interferring with the computer's programmes or memory etc.; SERVICES DU PREMIER MINISTRE SECRÉTARIAT GÉNÉRAL DIRECTION DES AFFAIRES ADMINISTRATIVES ET DES ~QUÊTES COPIE CERTIF1E CONFORME 2 v