AES CTR MODE
* required field.
password:
*
Number of Bits:
128
192
256
*
input:
*
transform:
encipher
decipher
*
output:
[validated with NIST input & output data, see:
http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf]
M J Cowan 2014