378 B
378 B
Mersenne Twister 32 bit seeding => bx PRNG consumption pattern
See https://milksad.info/disclosure.html for 32 bit to 8 bit output truncation PRNG consumption pattern details.
The libbitcoin-explorer
tool bx
is very flexible and can create BIP39 and non-BIP39 keys of different key sizes. However, there may be other vulnerable software which creates the same weak keys.