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This document uses the following acronyms and terms





Source: FIC Recommendation - Definitions                

Definitions below are consistent with the ISO 18013-5 definitions where noted, and with the Department of Homeland Security where noted (Federal Register 6 CFR Part 37 [docket No. DHS-2020-0028])

Authenticate means establishing that a certain thing (e.g., mDL Data) belongs to its purported owner (e.g., mDL Holder) and has not been altered. (DHS)                                                

A Certificate Authority issues Digital Certificates that are used to certify the identity of parties in a digital transaction.(DHS)

Data Freshness refers to the synchronization of mDL Data stored on a mobile device to data in a DMV’s database, within a specified time period. (DHS)                                                  

Department of Motor Vehicles (DMV) refers to the state agency or its authorized agent responsible for issuing an mDL and for maintaining mDL data in its database. (DHS)          

Device Retrieval has the meaning ISO18013-5 defines in 3.16 device retrieval.

Digital Certificates establish the identities of parties in an electronic transaction, such as recipients or digital signatories of encrypted data. (DHS)                                                

Digital ID means a physical representation of a physical ID e.g. mobile driving license, mobile national ID or mobile passport, a superset of Issuing authority credentials defined in ISO18013-5 section 3.2. Mdoc  

Digital Signatures are mathematical algorithms routinely used to validate the authenticity and integrity of a message. (DHS)

Identity Proofing refers to a series of steps that a DMV executes to prove the identity of a person.(DHS)                        

Identity Verification is the confirmation that identity data belongs to its purported holder. (DHS)              

Issuance includes the various processes of a DMV to approve an individual’s application for a REAL ID driver’s license or identification card. (DHS)                                              

Issuing Authority refers to ISO18013-5 section 3.13 issuing authority, which may be at a national level  (ISO18013-5 section 3.11 issuing country) or a local level jurisdiction.

Issuing Authority Infrastructure refers to ISO18013-5 section 3.14 issuing authority infrastructure

An mDL is a digital representation of the information on a state-issued physical DL/ID, and is stored on, or accessed via, a mobile device. (DHS)   An mDL is a subset of Digital IDs that may be issue by an issuing authority.               

mDL Data is an individual’s identity and DL/ID data that is stored and maintained in a database controlled by a DMV and may also be stored and maintained on an individual’s mDL. (DHS)                   

mDL Holder refers to the owner of a mobile device. (DHS)        

mDL Reader refers to an electronic device that ingests mDL Data from a mobile device.  (DHS) Also refers to ISO18013-5 section 3.7.mDL Reader.

mID means a mobile version of a physical national ID credential, such mobile version having been issued by an Issuing Authority.

Mobile device means ISO18013-5 definition in 3.1 mobile device. (DHS)

mPassport means a mobile version of a physical passport credential, such mobile version having been issued by an Issuing Authority.

Offline means no live connection to the internet. (DHS)

Online means a live connection to the internet.   (DHS)  

An mDL Public Key Distributor is a trusted entity responsible for compiling and distributing Digital Certificates issued by DMVs (DHS) which has the same definition and role as defined in ISO18013-5 section 3.15 issuing authority CA.

Public Key Infrastructure (PKI) means a structure where a Certificate Authority uses Digital Certificates for Identity Proofing and for issuing, renewing, and revoking digital credentials. (DHS)

Provisioning refers to the various steps required for a DMV to securely place an mDL onto a mobile device. (DHS)

Relying party means  ISO 18013-5 section 3.5 mdoc verifier or a 3.9 mDL Verifier.

Server Retrieval means  ISO 18013-5 section3.17 server retrieval definition.

Server Retrieval Token mean  ISO 18013-5 section 3.18 server retrieval token definition.

Terminal means  ISO 18013-5 section 3.3. mdoc reader or ISO18013-5 section 3.7.mDL Reader.

Token means a cryptographic key used to authenticate a person’s identity. (DHS)

User means  ISO 18013-5 section 3.3. 3.4 mdoc holder




This section contains references for common terms and definitions related to PEMC WG products.