ZeroTierOne/zeroidc/vendor/ring/tests/hmac_tests.rs

114 lines
3.7 KiB
Rust

// Copyright 2015-2016 Brian Smith.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use ring::{digest, error, hmac, test, test_file};
#[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::{wasm_bindgen_test, wasm_bindgen_test_configure};
#[cfg(target_arch = "wasm32")]
wasm_bindgen_test_configure!(run_in_browser);
#[test]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn hmac_tests() {
test::run(test_file!("hmac_tests.txt"), |section, test_case| {
assert_eq!(section, "");
let digest_alg = test_case.consume_digest_alg("HMAC");
let key_value = test_case.consume_bytes("Key");
let mut input = test_case.consume_bytes("Input");
let output = test_case.consume_bytes("Output");
let algorithm = {
let digest_alg = match digest_alg {
Some(digest_alg) => digest_alg,
None => {
return Ok(());
} // Unsupported digest algorithm
};
if digest_alg == &digest::SHA1_FOR_LEGACY_USE_ONLY {
hmac::HMAC_SHA1_FOR_LEGACY_USE_ONLY
} else if digest_alg == &digest::SHA256 {
hmac::HMAC_SHA256
} else if digest_alg == &digest::SHA384 {
hmac::HMAC_SHA384
} else if digest_alg == &digest::SHA512 {
hmac::HMAC_SHA512
} else {
unreachable!()
}
};
hmac_test_case_inner(algorithm, &key_value[..], &input[..], &output[..], true)?;
// Tamper with the input and check that verification fails.
if input.is_empty() {
input.push(0);
} else {
input[0] ^= 1;
}
hmac_test_case_inner(algorithm, &key_value[..], &input[..], &output[..], false)
});
}
fn hmac_test_case_inner(
algorithm: hmac::Algorithm,
key_value: &[u8],
input: &[u8],
output: &[u8],
is_ok: bool,
) -> Result<(), error::Unspecified> {
let key = hmac::Key::new(algorithm, key_value);
// One-shot API.
{
let signature = hmac::sign(&key, input);
assert_eq!(is_ok, signature.as_ref() == output);
#[cfg(any(not(target_arch = "wasm32"), feature = "wasm32_c"))]
assert_eq!(is_ok, hmac::verify(&key, input, output).is_ok());
}
// Multi-part API, one single part.
{
let mut s_ctx = hmac::Context::with_key(&key);
s_ctx.update(input);
let signature = s_ctx.sign();
assert_eq!(is_ok, signature.as_ref() == output);
}
// Multi-part API, byte by byte.
{
let mut ctx = hmac::Context::with_key(&key);
for b in input {
ctx.update(&[*b]);
}
let signature = ctx.sign();
assert_eq!(is_ok, signature.as_ref() == output);
}
Ok(())
}
#[test]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn hmac_debug() {
let key = hmac::Key::new(hmac::HMAC_SHA256, &[0; 32]);
assert_eq!("Key { algorithm: SHA256 }", format!("{:?}", &key));
let ctx = hmac::Context::with_key(&key);
assert_eq!("Context { algorithm: SHA256 }", format!("{:?}", &ctx));
}