The Side Channel

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3:09 PM

Is the EAX in EAX mode an acronym for anything? (The paper does not seem to mention it.

@PaŭloEbermann I don't know, but since this comes from cryptographers, there is a good chance that the name involves some kind of joke of questionable funniness.

Paŭlo Ebermann

@ThomasPornin Okay, so I'll simply ommit this in my tag wiki for modes-of-operation.

Paŭlo Ebermann

3:35 PM

Just seen a CTR mode misuse on Stack overflow:

Q: Can't decrypt file encrypted using openssl AES_ctr128_encrypt

I have a file encrypted using the following code in c: unsigned char ckey[] = "0123456789ABCDEF"; unsigned char iv[8] = {0}; AES_set_encrypt_key(ckey, 128, &key); AES_ctr128_encrypt(indata, outdata, 16, &key, aesstate.ivec, aesstate.ecount, &aesstate.num); I have to decrypt this ...