Tag Archives: interoperability

Update of ICAO Doc 9303 Edition

International Civil Aviation Organization (ICAO) has released the seventh edition of ICAO Doc 9303. This document is the de-facto standard for machine readable travel documents (MRTD). It specifies passports and visas starting with the dimensions of the travel document and ending with the specification of protocols used by the chip integrated in travel documents.

ICAO Doc 9303 Title page

A fundamental problem of the old sixth edition of Doc 9303 (released 2006) resides in the fact, that there are in sum 14 supplemental documents. All of these supplements include clarifications and corrections of Doc 9303, e.g. Supplement 14 contains 253 different issues. Additionally, there are separate documents specifying new protocols like Supplemental Access Control (SAC) also known as PACE v2. So ICAO started in 2011 to re-structure the specifications with the result that all these technical reports, guidelines and supplements are now consolidated in the seventh edition of ICAO Doc 9303. Also several inconsistencies of the documents are resolved. On this way several technical reports, like TR – Supplemental Access Control for MRTDs V1.1 and TR LDS and PKI Maintenance V2.0, are obsolete now with the seventh edition of Doc 9303.

The new edition of ICAO Doc 9303 consists now of twelve parts:

  • Part 3: Specifications common to all MRTDs
  • Part 4: Specifications for Machine Readable Passports (MRPs) and other td3 size MRTDs
  • Part 5: Specifications for td1 size Machine Readable Official Travel Documents (MROTDs)
  • Part 8: RFU (Reserved for future use): Emergency Travel Documents
  • Part 9: Deployment of biometric identification and electronic storage of data in eMRTDs
  • Part 10: Logical Data Structure (LDS) for storage of biometrics and other data in the contactless integrated circuit (IC)
  • Part 11: Security mechanisms for MRTDs
  • Part 12: Public Key Infrastructure (PKI) for MRTDs

From a protocol point of view there are two interesting parts in Doc 9303: part 10 describes the data structures used in a smart card to store information. In addition part 11 describes the technical protocols to get access to this data, e.g. Chip Authentication Mapping.

Special thanks to Garleen Tomney-McGann working at ICAO headquarter in Montreal. As a member of the Traveller Identification Programme (TRIP) she has coordinated all the activities resulting in the seventh release of ICAO Doc 9303.

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Interoperability Test for Supplemental Access Control (SAC)

During the ICAO Regional Seminar on Machine Readable Travel Documents (MRTD) in Madrid from 25th to 27th of June 2014 there will be also the opportunity of an interoperability test for ePassports with Supplemental Access Control (SAC). The protocol SAC is replacing Basic Access Control (BAC) used in ePassports and will be obligatory in EU from December 2014. SAC is a mechanism specified to ensure only authorized parties can wirelessly read information from the RFID chip of an ePassport. SAC is also known as PACE v2 (Password Authenticated Connection Establishment). PACE v1 is used as a basic protocol in the German ID card and was developed and specified by the German BSI.

An interoperability test is similar to a plugtest performed e.g. by ETSI. It’s an event during which devices (ePassport, inspection systems and test tools) are tested for interoperability with emerging standards by physically connecting them. This procedure allows all vendors to test their devices against other devices. Additionally, there is the opportunity besides this crossover tests to test the devices against conformity test suites implemented in test tools like GlobalTester. This procedure reduces efforts and allows comprehensive failure analyses of the devices like ePassports or inspection systems. There are well established test specifications available, both for ePassports and for inspection systems. Publishers of these test specifications are the German BSI (TR-03105) or ICAO (TR – RF and Protocol Testing Part 3).

You can find further information corresponding to this event on the ICAO website. The website will be updated frequently.

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Automatic border control (eGate)

Back in office after three weeks holiday I would like to show you now one of the high level results doing all these interoperability tests in the domain of ePassports. Today a German consortium (i.a. Bundesdruckerei and Secunet) won a tender for biometric-based eGates rolled out across the country in the next years at several airports. These eGates use well-known protocols as Basic Access Control (BAC) or Supplemental Access Control (SAC) to establish a secure channel between reader and smart card of ePassport via ISO 14443 interface for contactless smart cards. An automatic border control (ABC) like this allows passengers in less than 30 seconds to pass the gate. Currently you can find an alternative of such systems at the airport in Heathrow.

The following figure shows a typical simplified workflow of such a border control system:
Border Control Process

To reduce waiting time for passengers the system is using an automatic process. At the beginning the citizen is passing the gate by showing his ePassport. An inspection system scans the machine readable zone of the data page to derivate a cryptographic key to get access to the contactless smart card. As soon as all data groups of chip are read, the inspection system verifies the authenticity of the data to assure validity of the current ePassport chip. In the meantime the face recognition system scans the citizen to get a facial image of him. This image is being compared with the facial image of the chip (biometric verification). If both images are similar and the ePassport is not blacklisted, the citizen can pass the gate.

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Results of SAC InterOp Test 2013 available

The results of the InterOp test 2013 concerning the new protocol SAC (Supplemental Access Control) are available. The test event was split into two slots – a conformity test (to test if the document conform to the latest ICAO standards) and a crossover test (to test, if each document can be read by the inspection system). A concluding test report is available here. Thanks to Mark Lockie and Michael Schlüter for organizing this successful event.

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ePassport Interoperability Test in London

Next week another ePassport interoperability test takes place in London. The community will join to test their next generation smart cards in ePassports with the new protocol Supplemental Access Control (SAC) as a replacement of Basic Access Control (BAC). BAC was designed in the beginning of this century and will be replaced by SAC in December 2014 latest. The protocol SAC bases on the well known protocol Password Authenticated Connection Establishment (PACE) that was mainly developed by German BSI and that is also used in German ID cards issued since November 2010. PACE is specified in TR-03110.

During the interoperability test vendors of chips and inspections system will test their implementations against current conformity test suites of several test labs. More information can be found here: InterOp 2013.

See you in London!

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