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Search found 6 matches

by Alisa1120
Tue Aug 07, 2018 10:38 pm
Forum: Questions & Answers
Topic: Learning documentation and specifications
Replies: 1
Views: 733

Learning documentation and specifications

Can the community post some relevant learning documents and card specifications for reference?Of course, Chinese files are better. :lol: :lol:
by Alisa1120
Tue Aug 07, 2018 10:38 pm
Forum: Questions & Answers
Topic: Learning documentation and specifications
Replies: 0
Views: 587

Learning documentation and specifications

Can the community post some relevant learning documents and card specifications for reference?Of course, Chinese files are better. :lol: :lol:
by Alisa1120
Tue Aug 07, 2018 10:36 pm
Forum: Questions & Answers
Topic: about course
Replies: 3
Views: 870

about course

Will the community offer any related courses?
by Alisa1120
Tue Aug 07, 2018 10:33 pm
Forum: Questions & Answers
Topic: How to Learn Card Knowledge
Replies: 0
Views: 538

How to Learn Card Knowledge

Hello, guys:
what is the way to learn card knowledge?I have no foundation. :cry: :cry: :cry:
by Alisa1120
Mon Jun 11, 2018 5:29 am
Forum: Questions & Answers
Topic: der( distinguished encoding rule) code
Replies: 0
Views: 601

der( distinguished encoding rule) code

Hello, everyone. If data is a integer, 0xff81 and 0x0081 how to code in der( distinguished encoding rule) ? It says so in the specification :"If the contents octets of an integer value encoding consist of more than one octet,then the bits of the first octet and bit 8 of the second octet: shall ...
by Alisa1120
Mon Jun 11, 2018 5:14 am
Forum: Questions & Answers
Topic: Mastercard transaction process
Replies: 5
Views: 1158

Re: Mastercard transaction process

There is another transaction, chip simulation magnetic stripe card transaction.
The first command is select (PPSE and mastercard application);
The next command is GPO;
The next command is read record;
The last command is compute cryptographic checksum.
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