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|
//! The original Equi-X unit tests don't contain full test vectors.
//! These are from the C tor implementation's test_crypto_equix().
use equix::{EquiX, Error, HashError, Solution, SolutionItemArray};
use std::iter;
#[test]
fn verify_only() {
// Quick verify test that doesn't use the solver at all
assert!(matches!(
equix::verify_array(
b"a",
&[
0x2227, 0xa173, 0x365a, 0xb47d, 0x1bb2, 0xa077, 0x0d5e, 0xf25f
]
),
Ok(())
));
assert!(matches!(
equix::verify_array(
b"a",
&[
0x1bb2, 0xa077, 0x0d5e, 0xf25f, 0x2220, 0xa173, 0x365a, 0xb47d
]
),
Err(Error::Order)
));
assert!(matches!(
equix::verify_array(
b"a",
&[
0x2220, 0xa173, 0x365a, 0xb47d, 0x1bb2, 0xa077, 0x0d5e, 0xf25f
]
),
Err(Error::HashSum)
));
}
#[test]
fn tor_equix_vectors() {
// Solve and verify test with permutations
solve_and_verify(b"bsipdp", None);
solve_and_verify(b"espceob", None);
solve_and_verify(
b"zzz",
Some(&[[
0xae21, 0xd392, 0x3215, 0xdd9c, 0x2f08, 0x93df, 0x232c, 0xe5dc,
]]),
);
solve_and_verify(
b"rrr",
Some(&[[
0x0873, 0x57a8, 0x73e0, 0x912e, 0x1ca8, 0xad96, 0x9abd, 0xd7de,
]]),
);
solve_and_verify(b"qqq", Some(&[]));
solve_and_verify(b"0123456789", Some(&[]));
solve_and_verify(b"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz", Some(&[]));
solve_and_verify(
b"",
Some(&[
[
0x0098, 0x3a4d, 0xc489, 0xcfba, 0x7ef3, 0xa498, 0xa00f, 0xec20,
],
[
0x78d8, 0x8611, 0xa4df, 0xec19, 0x0927, 0xa729, 0x842f, 0xf771,
],
[
0x54b5, 0xcc11, 0x1593, 0xe624, 0x9357, 0xb339, 0xb138, 0xed99,
],
]),
);
solve_and_verify(
b"a",
Some(&[
[
0x4b38, 0x8c81, 0x9255, 0xad99, 0x5ce7, 0xeb3e, 0xc635, 0xee38,
],
[
0x3f9e, 0x659b, 0x9ae6, 0xb891, 0x63ae, 0x777c, 0x06ca, 0xc593,
],
[
0x2227, 0xa173, 0x365a, 0xb47d, 0x1bb2, 0xa077, 0x0d5e, 0xf25f,
],
]),
);
solve_and_verify(
b"abc",
Some(&[
[
0x371f, 0x8865, 0x8189, 0xfbc3, 0x26df, 0xe4c0, 0xab39, 0xfe5a,
],
[
0x2101, 0xb88f, 0xc525, 0xccb3, 0x5785, 0xa41e, 0x4fba, 0xed18,
],
]),
);
solve_and_verify(
b"abce",
Some(&[
[
0x4fca, 0x72eb, 0x101f, 0xafab, 0x1add, 0x2d71, 0x75a3, 0xc978,
],
[
0x17f1, 0x7aa6, 0x23e3, 0xab00, 0x7e2f, 0x917e, 0x16da, 0xda9e,
],
[
0x70ee, 0x7757, 0x8a54, 0xbd2b, 0x90e4, 0xe31e, 0x2085, 0xe47e,
],
[
0x62c5, 0x86d1, 0x5752, 0xe1f0, 0x12da, 0x8f33, 0x7336, 0xf161,
],
]),
);
solve_and_verify(
b"01234567890123456789",
Some(&[
[
0x4803, 0x6775, 0xc5c9, 0xd1b0, 0x1bc3, 0xe4f6, 0x4027, 0xf5ad,
],
[
0x5a8a, 0x9542, 0xef99, 0xf0b9, 0x4905, 0x4e29, 0x2da5, 0xfbd5,
],
[
0x4c79, 0xc935, 0x2bcb, 0xcd0f, 0x0362, 0x9fa9, 0xa62e, 0xf83a,
],
[
0x5878, 0x6edf, 0x1e00, 0xf5e3, 0x43de, 0x9212, 0xd01e, 0xfd11,
],
[
0x0b69, 0x2d17, 0x01be, 0x6cb4, 0x0fba, 0x4a9e, 0x8d75, 0xa50f,
],
]),
);
}
fn solve_and_verify(challenge: &[u8], expected: Option<&[[u16; 8]]>) {
match EquiX::new(challenge) {
// Some constructions are expected to fail
Err(Error::Hash(HashError::ProgramConstraints)) => assert_eq!(expected, None),
Err(_) => unreachable!(),
// Check each solution itself and a few variations, when the solve succeeds
Ok(equix) => {
let expected = expected.unwrap();
let solutions = equix.solve();
assert_eq!(solutions.len(), expected.len());
for (solution, expected) in iter::zip(solutions, expected) {
let solution = solution.into();
assert_eq!(&solution, expected);
verify_expect_success(&equix, &solution);
verify_with_order_error(&solution);
verify_with_hash_error(&equix, &solution);
}
}
}
}
fn verify_expect_success(equix: &EquiX, solution: &SolutionItemArray) {
let solution = Solution::try_from_array(solution).unwrap();
assert!(equix.verify(&solution).is_ok());
}
fn verify_with_hash_error(equix: &EquiX, solution: &SolutionItemArray) {
let mut solution = *solution;
solution[0] += 1;
let solution = Solution::try_from_array(&solution).unwrap();
assert!(matches!(equix.verify(&solution), Err(Error::HashSum)));
}
fn verify_with_order_error(solution: &SolutionItemArray) {
let mut solution = *solution;
solution.swap(0, 1);
assert!(matches!(
Solution::try_from_array(&solution),
Err(Error::Order)
));
}
|
