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Search found 27 matches

by aahmadzadeh
Sat Apr 08, 2017 5:54 am
Forum: Questions & Answers
Topic: Problem in coding output data
Replies: 1
Views: 902

Problem in coding output data

What do you think about this codes? Why we get plain data as output ? if(secureChannel.getSecurityLevel() != (byte)0x83) ISOException.throwIt(ISO7816.SW_SECURITY_STATUS_NOT_SATISFIED); byte[] data= new byte[] {(byte)0x11, (byte)0x22, (byte)0x33, (byte)0x44, (byte)0x55, (byte)0x66, (byte)0x77, (byte)...
by aahmadzadeh
Wed Apr 05, 2017 1:37 am
Forum: Questions & Answers
Topic: Error at establishing SC
Replies: 1
Views: 862

Error at establishing SC

What you think about this follow of commands?

<<80 50 00 00 08 CD EE AD E4 49 EA CC 07 1C
>>6A 81

Is my javacard locked?
if yes, how can i unlock it?
if no, what is the problem?
by aahmadzadeh
Sat Dec 24, 2016 6:19 am
Forum: Questions & Answers
Topic: Get CPLC data
Replies: 1
Views: 1614

Get CPLC data

When i use "OPSystem.getCPLCData" function to get CPLC dara inside my applet, i can't download generated CAP file to java card (when i want to download applet, i got 64 38 sw).

I there any other way to get CPLC data inside java card applet?
by aahmadzadeh
Sun Nov 27, 2016 4:14 am
Forum: Questions & Answers
Topic: CPLC data details
Replies: 1
Views: 2491

CPLC data details

Did anybody have any document or reference about CPLC data ?
Definition of every segment of CPLC data and who can set and edit those?
by aahmadzadeh
Tue Nov 08, 2016 10:52 am
Forum: Questions & Answers
Topic: Access to keys of GP
Replies: 1
Views: 924

Access to keys of GP

Can i access to ENC Key (or DEK Key) of java card inside my applet?
and do some enciphering action using it?
by aahmadzadeh
Wed Oct 19, 2016 4:40 am
Forum: Questions & Answers
Topic: Store data in EEPROM or RAM?
Replies: 5
Views: 5098

Re: Store data in EEPROM or RAM?

How can i create other data type global variable (such as byte, short, Cipher, DesKey and...) in RAM memory?
by aahmadzadeh
Tue Oct 18, 2016 2:13 am
Forum: Questions & Answers
Topic: Authenticate with key version FF
Replies: 5
Views: 1647

Re: Authenticate with key version FF

UNKNwYSHSA wrote:You lost the key?

If i lost my keys, is there any way to manage card?
by aahmadzadeh
Tue Oct 18, 2016 2:12 am
Forum: Questions & Answers
Topic: Authenticate with key version FF
Replies: 5
Views: 1647

Re: Authenticate with key version FF

UNKNwYSHSA wrote:You lost the key?

No, i have the new key set, but i want to know default keys usability state after inserting new key.
by aahmadzadeh
Tue Oct 18, 2016 2:08 am
Forum: Questions & Answers
Topic: Extract applet from java card
Replies: 7
Views: 2306

Re: Extract applet from java card

mabel wrote:It's impossible. If that can be done, javacard is not a secure carrier any more.

even if i have key set of java card?
by aahmadzadeh
Tue Oct 18, 2016 2:07 am
Forum: Questions & Answers
Topic: Extract applet from java card
Replies: 7
Views: 2306

Re: Extract applet from java card

rena2019 wrote:No. only via back door

what is your mean of back door??
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