enerate secure number codes

How to generate secure number codes (exp: 14 digit) as that used in mobile recharge card

but thus numbers not just a rand() they use secure algorithm for generating maybe RSA with some modification and validating the numbers format before using their database to validate!

how that numbers generated !!!!

Habilidades: Programação C++ , Java, PHP, Arquitetura de software

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Acerca do Empregador:
( 3 comentários ) Abudhabi, Palestinian Territory

ID do Projeto: #6803246

10 freelancers are bidding on average $179 for this job


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$100 USD in 2 dias
(92 Comentários)

Hi, I developed a java class that has similar function to this (generate 16 digits of number to be verified later with no-minimal database lookup). In my previous work, I was using symmetric encryption (3DES) to gene Mais

$222 USD in 5 dias
(14 Comentários)

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$155 USD in 3 dias
(2 Comentários)

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$156 USD in 5 dias
(5 Comentários)

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$40 USD in 3 dias
(3 Comentários)


$155 USD in 18 dias
(1 Comentário)

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