problem
Currently in simon-speck-c version, counter range of ctr mode is 128.
- NICT requests GCM specification is counter range is 32.
ctr128_inc is too slow.
modify
speck_ctr_encrypt and speck_ctr_decrypt
- change counter range of ctr mode iv from 128 to 32.
influence
break compatibility of speck ctr API.
problem
Currently in simon-speck-c version, counter range of ctr mode is 128.
ctr128_incis too slow.modify
speck_ctr_encryptandspeck_ctr_decryptinfluence
break compatibility of speck ctr API.