use ffi::{
crypto_hash_sha256, crypto_hash_sha256_BYTES, crypto_hash_sha256_final,
crypto_hash_sha256_init, crypto_hash_sha256_state, crypto_hash_sha256_update,
};
hash_module!(
crypto_hash_sha256,
crypto_hash_sha256_state,
crypto_hash_sha256_init,
crypto_hash_sha256_update,
crypto_hash_sha256_final,
crypto_hash_sha256_BYTES as usize,
64
);
#[cfg(test)]
mod test {
use super::*;
use hex;
#[cfg(not(feature = "std"))]
use prelude::*;
#[test]
fn test_vector_1() {
let x = [];
let h_expected = [
0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f,
0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b,
0x78, 0x52, 0xb8, 0x55,
];
let Digest(h) = hash(&x);
assert!(h == h_expected);
}
#[test]
fn test_vector_2() {
let x = [
0x54, 0x68, 0x65, 0x20, 0x71, 0x75, 0x69, 0x63, 0x6b, 0x20, 0x62, 0x72, 0x6f, 0x77,
0x6e, 0x20, 0x66, 0x6f, 0x78, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x73, 0x20, 0x6f, 0x76,
0x65, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x6c, 0x61, 0x7a, 0x79, 0x20, 0x64, 0x6f,
0x67,
];
let h_expected = [
0xd7, 0xa8, 0xfb, 0xb3, 0x07, 0xd7, 0x80, 0x94, 0x69, 0xca, 0x9a, 0xbc, 0xb0, 0x08,
0x2e, 0x4f, 0x8d, 0x56, 0x51, 0xe4, 0x6d, 0x3c, 0xdb, 0x76, 0x2d, 0x02, 0xd0, 0xbf,
0x37, 0xc9, 0xe5, 0x92,
];
let Digest(h) = hash(&x);
assert!(h == h_expected);
}
fn test_nist_vector(filename: &str) {
use std::fs::File;
use std::io::{BufRead, BufReader};
let mut r = BufReader::new(File::open(filename).unwrap());
let mut line = String::new();
loop {
line.clear();
r.read_line(&mut line).unwrap();
if line.is_empty() {
break;
}
let starts_with_len = line.starts_with("Len = ");
if starts_with_len {
let len: usize = line[6..].trim().parse().unwrap();
line.clear();
r.read_line(&mut line).unwrap();
let rawmsg = hex::decode(&line[6..].trim()).unwrap();
let msg = &rawmsg[..len / 8];
line.clear();
r.read_line(&mut line).unwrap();
let md = hex::decode(&line[5..].trim()).unwrap();
let Digest(digest) = hash(msg);
assert!(digest[..] == md[..]);
}
}
}
#[test]
fn test_vectors_nist_short() {
test_nist_vector("testvectors/SHA256ShortMsg.rsp");
}
#[test]
fn test_vectors_nist_long() {
test_nist_vector("testvectors/SHA256LongMsg.rsp");
}
#[test]
fn test_hash_state_empty() {
let h_expected = [
0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f,
0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b,
0x78, 0x52, 0xb8, 0x55,
];
let hash_state = State::new();
let Digest(h) = hash_state.finalize();
assert!(h == h_expected);
}
#[test]
fn test_hash_state_multi_parts() {
let x = [
0x54, 0x68, 0x65, 0x20, 0x71, 0x75, 0x69, 0x63, 0x6b, 0x20, 0x62, 0x72, 0x6f, 0x77,
0x6e, 0x20, 0x66, 0x6f, 0x78, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x73, 0x20, 0x6f, 0x76,
0x65, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x6c, 0x61, 0x7a, 0x79, 0x20, 0x64, 0x6f,
0x67,
];
let h_expected = [
0xd7, 0xa8, 0xfb, 0xb3, 0x07, 0xd7, 0x80, 0x94, 0x69, 0xca, 0x9a, 0xbc, 0xb0, 0x08,
0x2e, 0x4f, 0x8d, 0x56, 0x51, 0xe4, 0x6d, 0x3c, 0xdb, 0x76, 0x2d, 0x02, 0xd0, 0xbf,
0x37, 0xc9, 0xe5, 0x92,
];
let mut hash_state = State::new();
for chunk in x.chunks(3) {
hash_state.update(chunk);
}
let Digest(h) = hash_state.finalize();
assert!(h == h_expected);
}
}