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Home  /  Support  /  MULTOS  /  MULTOS Card Issuer FAQs

Overview
Summary
 




     
Who is an issuer in a MULTOS scheme?
A card issuer has to register with MAOSCO so that they can issue MULTOS cards. The issuer requests ...
 
     
How can the free memory size of a MULTOS card be determined?
The only methods on existing MULTOS cards are: i). Know what applications have been loaded and how ...
 
     
Memory fragmentation
This is best shown by example. Load three applications consuming approximately 4K, 1K and 3K in the ...
 
     
How much memory is consumed when I load and delete an application with reload prevented?
The information that needs to be saved in a history list record is the application ID and the ...
 
     
What is the size/limit of the application reload list?
Keycorp MULTOS uses EEPROM memory that is not occupied by applications for the history list. ...
 
     
Why do issuers want to use ROM instead of EEPROM?
A byte of ROM memory occupies much less IC area than a byte of EEPROM memory, typically 20%. This ...
 
     
What is the difference between MULTOS V3 and V4?
Version 3 and version 4 MULTOS do not differ significantly in terms of functionality. However, the ...
 
     
What are the optional MULTOS version 4 features?
T=1 communications: some performance advantage, mainly regional demand, Japan & Germany PPS: allows ...
 
     
Are the ALC and ADC structures the same for version 4 and version 3 MULTOS?
No. The MULTOS 4 certificate structure is different and longer. For the ALC this requires that the ...
 
     
How does MULTOS compare to JavaCard?
This is a big question (and there is a white paper available to read here on the subject) but the ...
 
     
What are Keycorp's plans for MULTOS?
A 48K version of Keycorp MULTOS is scheduled for Q3/01 — subject to market demand. A ...
 
     
What is MULTOS type approval?
i). Interoperability testing of the MEL API so that applications will operate on different cards ...
 
     
What is the current status of the Keycorp MULTOS ITSEC process?
Since July 2000, Keycorp's MULTOS has been certified to the highest level of security (ITSEC E6) ...
 
     
Who performs MULTOS type approval?
MAOSCO, the MULTOS Consortium. (See http://www.multos.com) The aim is to protect the quality of the ...
 
     
What is provisional MULTOS approval?
Once an evaluator such as Debis, Logica or Admiral say that the product meets ITSEC E6 ...
 
     
What MULTOS applications are available?
MONDEX purse — MONDEXUKIS Credit/Debit — NatWestMastercard Payment Application — ...
 
     
What are "permissions" in card enabling?
A card issuer can define a set of permissions for a card or group of cards. The purpose is ...
 
     
How to tell an enabled part from a non-enabled part?
The response to the GET MULTOS DATA command includes a byte called "security_level". This byte is ...
 
     
What application memory spaces are available in Keycorp MULTOS?
For Keycorp/Infineon MULTOS the maximum available EEPROM bytes available to applications is 14.5 ...
 
     
How big are typical applications?
A significant e-purse application is about 6-7K of code and data. An EMV implementation ...
 
 
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