/usr/share/initramfs-tools# find | grep crypt
./conf-hooks.d/cryptsetup
./hooks/cryptpassdev
./hooks/cryptroot
./hooks/cryptopenct
./hooks/cryptgnupg
./hooks/cryptopensc
./hooks/cryptkeyctl
./scripts/local-bottom/cryptopensc
./scripts/local-top/cryptroot
./scripts/local-top/cryptopensc
./scripts/local-block/cryptroot