Certification method allowing a trusted third party to certify digital media (105a, 105b, 105c) representative of a juridical fact, said digital media being captured by a user by means of a device for capturing digital media, such as photographs or videos, the device being equipped with a digital camera, with a native library for storing digital media, with a human-machine interface, and with a transceiver able to transmit the digital media to at least one remote server via a telecommunications network, the method being characterized in that it comprises the following steps: a) creating, in the device, a dedicated memory that is different from the native library and that is inaccessible to the user, for processing and/or storing digital media to be certified, and prohibiting storage of digital media in the native library of the capturing device; b) displaying, on the interface, an activation command allowing a certification action to be initiated; c) when the activation command has been selected by the user, requiring at least one, preferably at least two, advantageously at least three, shots/recordings of the juridical fact to be taken by the user, with a view to creating at least one digital medium to be certified; d) generating a file to be certified containing said at least one digital medium to be certified (105a, 105b, 105c), a shot/recording time and date, i.e. the time and date when said at least one digital medium to be certified was shot/recorded, and geographical coordinates of the device at the shot/recording time and date; e) if a connection to the telecommunications network is unable to be set up, temporarily storing for a predetermined time the file to be certified in the dedicated memory inaccessible to the user, and, if a connection to the telecommunications network is able to be set up, transmitting the file to be certified to the remote storage server via the telecommunications network; g) transmitting the file to be certified containing said at least one digital medium to be certified to the trusted third party for certification; h) issuing and storing on the remote server a certification report if said at least one digital medium is certified, or issuing and transmitting to the user a non-certification warning if said at least one digital medium is not certified. a) creating, in the device, a dedicated memory that is different from the native library and that is inaccessible to the user, for processing and/or storing digital media to be certified, and prohibiting storage of digital media in the native library of the capturing device; b) displaying, on the interface, an activation command allowing a certification action to be initiated; c) when the activation command has been selected by the user, requiring at least one, preferably at least two, advantageously at least three, shots/recordings of the juridical fact to be taken by the user, with a view to creating at least one digital medium to be certified; d) generating a file to be certified containing said at least one digital medium to be certified (105a, 105b, 105c), a shot/recording time and date, i.e. the time and date when said at least one digital medium to be certified was shot/recorded, and geographical coordinates of the device at the shot/recording time and date; e) if a connection to the telecommunications network is unable to be set up, temporarily storing for a predetermined time the file to be certified in the dedicated memory inaccessible to the user, and, if a connection to the telecommunications network is able to be set up, transmitting the file to be certified to the remote storage server via the telecommunications network; g) transmitting the file to be certified containing said at least one digital medium to be certified to the trusted third party for certification; h) issuing and storing on the remote server a certification report if said at least one digital medium is certified, or issuing and transmitting to the user a non-certification warning if said at least one digital medium is not certified.