rust-bitcoin-unsafe-fast/fuzz/fuzz_targets/hashes/sha512.rs

49 lines
1.1 KiB
Rust

use bitcoin::hashes::{sha512, Hash};
use crypto::digest::Digest;
use crypto::sha2::Sha512;
use honggfuzz::fuzz;
fn do_test(data: &[u8]) {
let our_hash = sha512::Hash::hash(data);
let mut rc_hash = [0u8; 64];
let mut rc_engine = Sha512::new();
rc_engine.input(data);
rc_engine.result(&mut rc_hash);
assert_eq!(&our_hash[..], &rc_hash[..]);
}
fn main() {
loop {
fuzz!(|d| { do_test(d) });
}
}
#[cfg(test)]
mod tests {
fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
let mut b = 0;
for (idx, c) in hex.as_bytes().iter().enumerate() {
b <<= 4;
match *c {
b'A'..=b'F' => b |= c - b'A' + 10,
b'a'..=b'f' => b |= c - b'a' + 10,
b'0'..=b'9' => b |= c - b'0',
_ => panic!("Bad hex"),
}
if (idx & 1) == 1 {
out.push(b);
b = 0;
}
}
}
#[test]
fn duplicate_crash() {
let mut a = Vec::new();
extend_vec_from_hex("00000", &mut a);
super::do_test(&a);
}
}