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use scrypt::{scrypt, Params};
#[cfg(feature = "simple")]
use {
password_hash::{PasswordHash, PasswordVerifier},
scrypt::Scrypt,
};
struct Test {
password: &'static str,
salt: &'static str,
log_n: u8,
r: u32,
p: u32,
expected: Vec<u8>,
}
// Test vectors from [1]. The last test vector is omitted because it takes
// too long to run.
fn tests() -> Vec<Test> {
vec![
Test {
password: "",
salt: "",
log_n: 4,
r: 1,
p: 1,
expected: vec![
0x77, 0xd6, 0x57, 0x62, 0x38, 0x65, 0x7b, 0x20, 0x3b, 0x19, 0xca, 0x42, 0xc1, 0x8a,
0x04, 0x97, 0xf1, 0x6b, 0x48, 0x44, 0xe3, 0x07, 0x4a, 0xe8, 0xdf, 0xdf, 0xfa, 0x3f,
0xed, 0xe2, 0x14, 0x42, 0xfc, 0xd0, 0x06, 0x9d, 0xed, 0x09, 0x48, 0xf8, 0x32, 0x6a,
0x75, 0x3a, 0x0f, 0xc8, 0x1f, 0x17, 0xe8, 0xd3, 0xe0, 0xfb, 0x2e, 0x0d, 0x36, 0x28,
0xcf, 0x35, 0xe2, 0x0c, 0x38, 0xd1, 0x89, 0x06,
],
},
Test {
password: "password",
salt: "NaCl",
log_n: 10,
r: 8,
p: 16,
expected: vec![
0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78, 0x56, 0xe7, 0x19, 0x0d, 0x01,
0xe9, 0xfe, 0x7c, 0x6a, 0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76, 0x63,
0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9, 0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1,
0x09, 0x27, 0x9d, 0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83, 0xee, 0x6d,
0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06, 0x40,
],
},
Test {
password: "pleaseletmein",
salt: "SodiumChloride",
log_n: 14,
r: 8,
p: 1,
expected: vec![
0x70, 0x23, 0xbd, 0xcb, 0x3a, 0xfd, 0x73, 0x48, 0x46, 0x1c, 0x06, 0xcd, 0x81, 0xfd,
0x38, 0xeb, 0xfd, 0xa8, 0xfb, 0xba, 0x90, 0x4f, 0x8e, 0x3e, 0xa9, 0xb5, 0x43, 0xf6,
0x54, 0x5d, 0xa1, 0xf2, 0xd5, 0x43, 0x29, 0x55, 0x61, 0x3f, 0x0f, 0xcf, 0x62, 0xd4,
0x97, 0x05, 0x24, 0x2a, 0x9a, 0xf9, 0xe6, 0x1e, 0x85, 0xdc, 0x0d, 0x65, 0x1e, 0x40,
0xdf, 0xcf, 0x01, 0x7b, 0x45, 0x57, 0x58, 0x87,
],
},
]
}
#[test]
fn test_scrypt() {
let tests = tests();
for t in tests.iter() {
let mut result = vec![0u8; t.expected.len()];
let params = Params::new(t.log_n, t.r, t.p, t.expected.len()).unwrap();
scrypt(
t.password.as_bytes(),
t.salt.as_bytes(),
¶ms,
&mut result,
)
.unwrap();
assert!(result == t.expected);
}
}
/// Test vector from passlib:
/// <https://passlib.readthedocs.io/en/stable/lib/passlib.hash.scrypt.html>
#[cfg(feature = "simple")]
const EXAMPLE_PASSWORD_HASH: &str =
"$scrypt$ln=16,r=8,p=1$aM15713r3Xsvxbi31lqr1Q$nFNh2CVHVjNldFVKDHDlm4CbdRSCdEBsjjJxD+iCs5E";
#[cfg(feature = "simple")]
#[test]
fn simple_verify_password() {
let password = "password";
let hash = PasswordHash::new(EXAMPLE_PASSWORD_HASH).unwrap();
assert_eq!(Scrypt.verify_password(password.as_bytes(), &hash), Ok(()));
}
#[cfg(feature = "simple")]
#[test]
fn simple_reject_incorrect_password() {
let hash = PasswordHash::new(EXAMPLE_PASSWORD_HASH).unwrap();
assert!(Scrypt.verify_password(b"invalid", &hash).is_err());
}
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