rust-bitcoin-unsafe-fast/hashes/fuzz/fuzz_targets/sha1.rs

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extern crate bitcoin_hashes;
extern crate crypto;
use bitcoin_hashes::Hash;
use bitcoin_hashes::sha1;
use crypto::digest::Digest;
use crypto::sha1::Sha1;
fn do_test(data: &[u8]) {
let our_hash = sha1::Hash::hash(data);
let mut rc_hash = [0u8; 20];
let mut rc_sha1 = Sha1::new();
rc_sha1.input(data);
rc_sha1.result(&mut rc_hash);
assert_eq!(&our_hash[..], &rc_hash[..]);
}
#[cfg(feature = "honggfuzz")]
#[macro_use]
extern crate honggfuzz;
#[cfg(feature = "honggfuzz")]
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);
}
}