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Merged
newpavlov merged 2 commits into from
Nov 6, 2025
Merged

hkdf: migrate RFC 5869 tests to blobby #164

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930f0a7
hkdf: migrate RFC 5869 tests to blobby
newpavlov Nov 6, 2025
84b1a78
rename variable
newpavlov Nov 6, 2025
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Binary file added hkdf/tests/data/rfc5869_sha1.blb
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Binary file added hkdf/tests/data/rfc5869_sha256.blb
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206 changes: 38 additions & 168 deletions hkdf/tests/rfc5869.rs
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Original file line number Diff line number Diff line change
@@ -1,182 +1,52 @@
use hex_literal::hex;
use hkdf::{Hkdf, hmac::EagerHash};
use sha1::Sha1;
use sha2::Sha256;
//! Test vectors from https://tools.ietf.org/html/rfc5869
use hkdf::{GenericHkdf, HmacImpl};
use hmac::{Hmac, SimpleHmac};

struct Test<'a> {
ikm: &'a [u8],
salt: &'a [u8],
info: &'a [u8],
prk: &'a [u8],
okm: &'a [u8],
#[derive(Copy, Clone, Debug)]
struct TestVector {
ikm: &'static [u8],
salt: &'static [u8],
info: &'static [u8],
prk: &'static [u8],
okm: &'static [u8],
}

fn rfc_test<H: EagerHash>(tests: &[Test]) {
fn test<H: HmacImpl>(tvs: &[TestVector]) {
let mut buf = [0u8; 128];
for test in tests.iter() {
let salt = if test.salt.is_empty() {
for tv in tvs {
let salt = if tv.salt.is_empty() {
None
} else {
Some(test.salt)
Some(tv.salt)
};
let (prk2, hkdf) = Hkdf::<H>::extract(salt, test.ikm);
let okm = &mut buf[..test.okm.len()];
assert!(hkdf.expand(test.info, okm).is_ok());
let (prk2, hkdf) = GenericHkdf::<H>::extract(salt, tv.ikm);
let okm_dst = &mut buf[..tv.okm.len()];
assert!(hkdf.expand(tv.info, okm_dst).is_ok());

assert_eq!(prk2[..], test.prk[..]);
assert_eq!(okm, test.okm);
assert_eq!(prk2[..], tv.prk[..]);
assert_eq!(okm_dst, tv.okm);

okm.fill(0);
let hkdf = Hkdf::<H>::from_prk(test.prk).unwrap();
assert!(hkdf.expand(test.info, okm).is_ok());
assert_eq!(okm, test.okm);
okm_dst.fill(0);
let hkdf = GenericHkdf::<H>::from_prk(tv.prk).unwrap();
assert!(hkdf.expand(tv.info, okm_dst).is_ok());
assert_eq!(okm_dst, tv.okm);
}
}

// Test Vectors from https://tools.ietf.org/html/rfc5869.
#[test]
fn test_rfc5869_sha256() {
rfc_test::<Sha256>(&[
// Test Case 1
Test {
ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
salt: &hex!("000102030405060708090a0b0c"),
info: &hex!("f0f1f2f3f4f5f6f7f8f9"),
prk: &hex!(
"077709362c2e32df0ddc3f0dc47bba63"
"90b6c73bb50f9c3122ec844ad7c2b3e5"
),
okm: &hex!(
"3cb25f25faacd57a90434f64d0362f2a"
"2d2d0a90cf1a5a4c5db02d56ecc4c5bf"
"34007208d5b887185865"
),
},
// Test Case 2
Test {
ikm: &hex!(
"000102030405060708090a0b0c0d0e0f"
"101112131415161718191a1b1c1d1e1f"
"202122232425262728292a2b2c2d2e2f"
"303132333435363738393a3b3c3d3e3f"
"404142434445464748494a4b4c4d4e4f"
),
salt: &hex!(
"606162636465666768696a6b6c6d6e6f"
"707172737475767778797a7b7c7d7e7f"
"808182838485868788898a8b8c8d8e8f"
"909192939495969798999a9b9c9d9e9f"
"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
),
info: &hex!(
"b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
"e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
),
prk: &hex!(
"06a6b88c5853361a06104c9ceb35b45c"
"ef760014904671014a193f40c15fc244"
),
okm: &hex!(
"b11e398dc80327a1c8e7f78c596a4934"
"4f012eda2d4efad8a050cc4c19afa97c"
"59045a99cac7827271cb41c65e590e09"
"da3275600c2f09b8367793a9aca3db71"
"cc30c58179ec3e87c14c01d5c1f3434f"
"1d87"
),
},
// Test Case 3
Test {
ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
salt: &hex!(""),
info: &hex!(""),
prk: &hex!(
"19ef24a32c717b167f33a91d6f648bdf"
"96596776afdb6377ac434c1c293ccb04"
),
okm: &hex!(
"8da4e775a563c18f715f802a063c5a31"
"b8a11f5c5ee1879ec3454e5f3c738d2d"
"9d201395faa4b61a96c8"
),
},
]);
}
macro_rules! new_test {
($name:ident, $hash:ty) => {
#[test]
fn $name() {
blobby::parse_into_structs!(
include_bytes!(concat!("data/", stringify!($name), ".blb"));
static TEST_VECTORS: &[TestVector { ikm, salt, info, prk, okm }];
);

#[test]
fn test_rfc5869_sha1() {
rfc_test::<Sha1>(&[
// Test Case 4
Test {
ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b"),
salt: &hex!("000102030405060708090a0b0c"),
info: &hex!("f0f1f2f3f4f5f6f7f8f9"),
prk: &hex!("9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243"),
okm: &hex!(
"085a01ea1b10f36933068b56efa5ad81"
"a4f14b822f5b091568a9cdd4f155fda2"
"c22e422478d305f3f896"
),
},
// Test Case 5
Test {
ikm: &hex!(
"000102030405060708090a0b0c0d0e0f"
"101112131415161718191a1b1c1d1e1f"
"202122232425262728292a2b2c2d2e2f"
"303132333435363738393a3b3c3d3e3f"
"404142434445464748494a4b4c4d4e4f"
),
salt: &hex!(
"606162636465666768696a6b6c6d6e6f"
"707172737475767778797a7b7c7d7e7f"
"808182838485868788898a8b8c8d8e8f"
"909192939495969798999a9b9c9d9e9f"
"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
),
info: &hex!(
"b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
"e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
),
prk: &hex!("8adae09a2a307059478d309b26c4115a224cfaf6"),
okm: &hex!(
"0bd770a74d1160f7c9f12cd5912a06eb"
"ff6adcae899d92191fe4305673ba2ffe"
"8fa3f1a4e5ad79f3f334b3b202b2173c"
"486ea37ce3d397ed034c7f9dfeb15c5e"
"927336d0441f4c4300e2cff0d0900b52"
"d3b4"
),
},
// Test Case 6
Test {
ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
salt: &hex!(""),
info: &hex!(""),
prk: &hex!("da8c8a73c7fa77288ec6f5e7c297786aa0d32d01"),
okm: &hex!(
"0ac1af7002b3d761d1e55298da9d0506"
"b9ae52057220a306e07b6b87e8df21d0"
"ea00033de03984d34918"
),
},
// Test Case 7
Test {
ikm: &hex!("0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c"),
salt: &hex!(""), // "Not Provided"
info: &hex!(""),
prk: &hex!("2adccada18779e7c2077ad2eb19d3f3e731385dd"),
okm: &hex!(
"2c91117204d745f3500d636a62f64f0a"
"b3bae548aa53d423b0d1f27ebba6f5e5"
"673a081d70cce7acfc48"
),
},
]);
test::<Hmac<$hash>>(TEST_VECTORS);
test::<SimpleHmac<$hash>>(TEST_VECTORS);
}
};
}

new_test!(rfc5869_sha1, sha1::Sha1);
new_test!(rfc5869_sha256, sha2::Sha256);