parameters that fit the needs of our RNG: // AES-256, no derivation function, no personalization string, no prediction // resistance, and 384-bit additional input. // // WARNING: this type provides tightly scoped support for the DRBG // functionality we need for FIPS 140-3 _only_. This type _should not_ be used // outside of the FIPS 140-3 module for any other use. // // In particular, as documented, Counter does not support the derivation // function, or personalization strings which are necessary...