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How to set Security level

JavaCard Applet Development Related Questions and Answers.
naresh
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How to set Security level

Post by naresh » Tue Jun 05, 2018 6:52 am

Hello Sir,
Can any one provide doc or code for HOW TO SET SECURITY LEVEL in javacard.
Thanks and Regards
Thammineni Naresh.

BirdKing
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Re: How to set Security level

Post by BirdKing » Wed Jun 06, 2018 5:56 am

Security channel?
80 50 XXXXXX and 84 82 XXXXXX?

later123654
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Re: How to set Security level

Post by later123654 » Wed Jun 06, 2018 6:02 am

hello:
There are command of GP specification to set a security level for Gp session.
initial update:80 50 p1 p2 p3 lcdata
external authenticate: 84 82 p1 p2 p3 lcdata---
the P1 in the cmd of external authenticate is used to set security level.
p1 = 0: no security level
p1 = 1: C-MAC
P1 = 3:C-MAC AND C-DECRYPTION

gorgeous
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Re: How to set Security level

Post by gorgeous » Sun Jun 10, 2018 11:36 pm

You can see the appendix D/E/F in the attachment.
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yang340
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Re: How to set Security level

Post by yang340 » Tue Jun 12, 2018 4:25 am

I also want to know the answer of this question ,thanks for the person who provide the answer :D

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