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BOOK: Beginning Cryptography with Java
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Old June 28th, 2012, 06:07 PM
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Question Setting EAX Tag Size

Hey there!

I'm working on an application which is using XTEA/EAX/NoPadding.

We're looking to use the tag for message authentication. I see from the EAXBlockCipher code that a tag is being computed, but there doesn't seem to be any way through the SPI interface to access the tag.

We're also looking to set the tag length to 8 bytes. I see that this is supported through the params parameter to the init() method on EAXBlockCipher, but again, I don't see how to actually pass this through the javax.crypto.Cipher#init() method.

Can someone point me in the right direction?

Thanks!

—P
 
Old July 5th, 2012, 07:12 PM
dgh dgh is offline
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Not yet... this is something we are still looking into.

Regards,

David





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