ISO 14443-3 PDF

Part 3 [ISO/IEC (E)] defines the initialization and anticollision protocols Note that ISO/IEC is a Contacted Integrated Circuit Card standard. INTERNATIONAL. STANDARD. ISO/IEC. Second edition. Identification ISO’s member body in the country of the requester. ISO copyright . The ISO/IEC describes how to select (“activate”) a single card. This card activation procedure is generally independent of the number.

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Some limitations quickly occurred: I found a nice answer to my question here: Email Required, but never shown. But nevertheless it is not correct and the general director of the company I kso working for will definitely come to look at what we are doing with two such cards in his wallet. Sign up using Facebook. ISO anti-collision protocol is not correct Ask Question.

Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and ios policyand that your continued use of the website is subject to these policies.

The probability that noise occurs that disrupts any communication is probably much higher! I don’t like that you isso easily fabricate this one – and it is not defined what to do in that case. Look at hash functions, for example.

Could you re-phrase this sentence: This separation is not relevant anymore since you can have type A or type B memory or microprocessor cards, and we ended up with two competing technologies in the same standard.

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I don’t fully understand it. Email Required, but never shown. I would expect though I did not check that this is also the case for the version of the standard. Obviously, no hash is free of collisions, as long as the hash is shorter than the hashed data — but the probability of something randomly changing the hashed data to false data with the same hash ido so small, it izo be neglected in practice.

Cryptography depends on an attacker not, uso sheer luck, finding the right key on the first try; mechanical engineering is all “oh all these iron atoms are aranged in a ios metal grid, so the probability of a crystal fracture going through the whole steel beam supporting this skyscraper is really really small”.

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Can I find more details somewhere?

ISO/IEC – Wikipedia

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While 14443–3 believe that I read current version, I haven’t checked that. I’ve been recently rewriting ISO anti-collision loop and found out that it is actually not correctly defined in the standard. The Innovatron company had working microprocessor cards, so their technology was integrated as type B in the standard. Home Questions Tags Users Unanswered. Sign up jso Email and Password. So somebody will come and will start to poke into readers to see if it not breaks something.

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ISO/IEC 14443

At the time, type A couldn’t power up a microprocessor continuously. Am I right or did I miss something? This problem existed in the version of the standard and was corrected in Amendment 1 in by adding the clause:.

This answer talks about competing technologies brought forward by two different companies: Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Post as a guest Name. This problem existed in the version of the standard and was corrected in Amendment 1 in by adding the clause: By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Maybe in an effort to phase out type A? Sign up or log in Sign up using Google. I’d like to understand why the ISO standard describes two types of interfaces, type A and type B. Nowhere in the iso standard is written that uid3 cant be 88 only uid0 cant be I know it is very low probability 1:

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