Create file, msk for masking

Hello

I wanted to ask if anyboday has a conversion experience. JCA file in. File, MSK?
I have the. My applet JCA file and I have to mention that I used the following modules API in my applet:

Java/lang
JavaCard/framework
JavaCard/security
javacardx/crypto

I read this description of produce from a .jca file .msk file:


"You specify as input in the mask generator the JCA file for the package that contains applets, as well as files JCA for all other packages to include in the file mask, such as necessary for all Java Card API packages JCA files"


So, I wanted to ask where I should find .jca file mentioned java packages? I used this command at the command prompt to produce the .msk file


ARB - exportpath "F:\javacard-DevelopementKit\java_card_kit-2_2_2-windows\java_card_kit-2_2_2\api_export_files" - classdir maskgen ".» \Classes"- applet 0xa0:0 x 0: 0x0: 0x0: x 85:0 x 1 0xd7:0: 0x5a:0 3:0 x 29 com.sun.javacard.samples.test.test com.sun.javacard.samples.test 0xa0:0 x 0 x: 0x0: 0x0: x 85:0 x 1 0xd7:0: 0x5a:0 x 3 1.0

but I got the following error:)


Java Card 2.2.2 mask generator, Version 1.3
Copyright 2005 Sun Microsystems, Inc. All rights reserved
terms of ense.
error: entry PACKAGE_TABLE and/or PACKAGE_CONTEXT_TABLE
print file.
Add the required entry and try again.
Mask generation completed with 0 warnings and errors 1.

I'd appreciate any help.

-Thank you

Published by: Bluefairy on July 14, 2011 22:35

Hello

safarmer wrote:
Is it so you can hide it on a physical map?

Yes

Then, you will need to contact your card provider to find out what their process.

They may be able to provide the JCA files.

Just to be sure... You mean the API files, I used JCA. I have right?

If this is what is needed to create the mask. They have proprietary tools to create a mask with only links to the API you are using.

Remember that the JCA file is pretty close to source (Java Card Assembly) code to debone relatively easily so I doubt you will find/see files JCA without an NDA.

Thus, they can also reverse my applet of the engineer... Is it current to get the jca of applet to a card provider? Or is it possible to protect my applet?

If you give them a JCA, I don't think it would be too difficult for them to reverse engineer your code. This is why there is a NDA. It should protect your IP address as well as of their. As mentioned, you will need to contact your seller to discuss this further. We studied the masking cmdlets in the past (he used a lot of EEPROM) but the risk of not being able to apply bug fixes easily to a large such applet meant that us does not mask. Also the certification of our card platform time and time to have the available mask would have affected the project calendar too.

See you soon,.
Shane

Tags: Java

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