splice-digest

A fast and simple file hasher, backed by Linux AF_ALG.

Build

gcc -o splice-digest splice-digest.c

Run

./splice-digest <hash-algorith> <input-file>

Examples:

./splice-digest md5 /boot/vmlinuz
./splice-digest sha1 /boot/vmlinuz
./splice-digest sha256 /boot/vmlinuz
./splice-digest sha512 /boot/vmlinuz
# /proc/crypto contains a list of available algorithms for your kernel