http://cypherpunk-handbook.i2p/articles/openbsd.html
Without boot
relink, an opponent with a small infoleak can locate gadgets. 2 - arc4random(3) OpenBSD has its own cryptographic random number generator. Wherever
random input is needed, arc4random is used. arc4random is an
abstraction layer for currently considered as safe ciphers and produces
ChaCha20 ciphers at the moment.