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Consultant dealing with security for Contactless Smart Cards (Mifare Ultralight, Desfire)

Our company uses mifare ultralight cards for payments. What we do now is store nothing on the cards - everything is stored in the servers. I want to find out how we can safely store data in the card without exposing risks to other people hacking the stored value in the card. Is this possible with ultralight? Can this only be done using desfire? What particular features protect against this?

I basically need an expert to explain to us how this can be done, to explain why, and to prove the theory through a proof of concept test (optional)

Please include the phrase "smartcards are easy" if you read this description.

Habilidades: Criptografia, Engenharia Elétrica, Eletrônica

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Acerca do Empregador:
( 3 comentários ) Quezon City, Philippines

ID do Projeto: #4938615

4 freelancers are bidding on average $233 for this job

djfd

smartcards are easy...

$222 USD in 10 dias
(0 Comentários)
0.0
GhzProjects

smartcards are easy Please see PM.

$222 USD em 1 dia
(0 Comentários)
0.0
nomadsack

Experienced security consultant. Please read PM.

$277 USD in 3 dias
(0 Comentários)
0.0
rishabagarwal

"smartcards are easy"

$155 USD in 3 dias
(0 Comentários)
0.0
Anthonus

So, Smart cards are easy... but not foolproof. You need a hybrid solution. Security is based mostly on psychology of the target market. Like they say NOTHING is unbreakable. I was part of the team that built the 64bit Mais

$277 USD in 30 dias
(0 Comentários)
0.0