aestools

aestools
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aestools check KEY
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Test for weak AES key when used in Galois Counter Mode with a block size
of 128 bits, as explained in the paper "Cycling Attacks on GCM, GHASH and 
Other Polynomial MACs and Hashes": https://eprint.iacr.org/2011/202.pdf

aestools generate BITS
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Generate safe key of BITS length which is above a specific strength threshold.