I tried all of 2, 4, 6, 8, 10, 12, 14, 16 values, and always got a
"Plaintext not available: tag verify failed".
Even when tag length of decryption was equal to tag length of encryption.
:-(
It just works for : tag length of decryption = tag length of encryption
= 16.
Thanks again for your help.
Le 18/06/2014 16:14, Thulasi Goriparthi a écrit :
Truncate-able tags gave a way to truncated hmac extension.
Haven't gone through CCM RFC 3610 completely.
I can see the restriction of possible M values(Tag lengths) to 2, 4,
6, 8, 10, 12, 14, 16. Can you try reducing the tag size accordingly
and see if it succeeds.
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