Add test vectors from the reference implementation

These are generated using v1.1 of the reference implementation.
2021-03-10 09:08:26 +13:00 · 2021-03-10 09:08:26 +13:00 · e1719c42bc
parent 84907c50e1
commit e1719c42bc
3 changed files with 459 additions and 0 deletions
--- a/Cargo.toml
+++ b/Cargo.toml
@ -42,6 +42,7 @@ rev = "f8ff124a52d86e122e0705e8e9272f2099fe4c46"

 [dev-dependencies]
 criterion = "0.3"
+hex = "0.4"

 [lib]
 bench = false
--- a/src/primitives/poseidon.rs
+++ b/src/primitives/poseidon.rs
@ -5,6 +5,9 @@ use halo2::arithmetic::FieldExt;
 pub(crate) mod grain;
 pub(crate) mod mds;

+#[cfg(test)]
+mod test_vectors;
+
 use grain::SboxType;

 /// A specification for a Poseidon permutation.
--- a/src/primitives/poseidon/test_vectors.rs
+++ b/src/primitives/poseidon/test_vectors.rs
@ -0,0 +1,455 @@
+use halo2::arithmetic::FieldExt;
+use pasta_curves::pallas;
+
+use super::{LsbPoseidon, PoseidonSpec};
+
+// $ sage generate_parameters_grain.sage 1 0 255 3 8 120 0x40000000000000000000000000000000224698fc094cf91b992d30ed00000001
+// Number of round constants: 384
+// Round constants for GF(p):
+const ROUND_CONSTANTS: [&str; 384] = [
+    "0x3b25afc6b806ba2280f989a901cd566620b6a79c90480ff20d1bf70bb3be361b",
+    "0x1ca572e409e61023ce9a23c7013f9f5ca5e6cabf4f68f972a3a4c4aef2d0cdcb",
+    "0x0bb0bc4d9899da691ccfb7b4df114c1acdf0938da26d8471964e7516f89152eb",
+    "0x315ea9b75b8246b97c978fae471e6778e209ce714a04eb674711b0a7d62d75fa",
+    "0x39145ff6a42db1e92ae3f0f6c8c523aae34f94eb6a75b033845a74526e931826",
+    "0x2c55f6928557c4456bf8ad94eb6286f83c124d0c1f67861850d97bcd0c042dbb",
+    "0x125550a7698ce16d01f98ab482d3e3e79145724854e2915f4d235549e7c113c1",
+    "0x08a79b12b620b8ee2e0035027982ee16b938f64835d40d2ff4ad81fa6460d8ab",
+    "0x38a84243fdaf37d3abc4916d3c96d573331e8a38027fefd2f34a703aa45a3be4",
+    "0x1d081967a98251446c60268e5355990696b22a9be9105d5cde6000108bcd1793",
+    "0x3d9664f20cd1f3f77f3cffa3af7b013fd3948ae4a79048e716433877d090c3b6",
+    "0x32300e25c40f1ed418ef6d4bc235f6e82a290558fe2788e6cef3ced7bd79a8f8",
+    "0x072e0e0fc23124ef15691d3d115fd13aa26e01a10d9c1441f826b01f8622b314",
+    "0x2050a9e3fc19ac164b1f58ef954eeba1c1f5dd4ccc9e2edd2cdd43b4a0b55a41",
+    "0x388d088ef276d51cf8d495b81268aea8dee1eb744537f8d0f0d5dea79bb73d6e",
+    "0x38f2d9a8f6a7c176d4ce11ba9b583f91549d78f051801063743a46d9f959538f",
+    "0x182c8521cc8939802b0c8615ba8f2b7369b32d3ec3d7bb0441f1243b3ed87901",
+    "0x2b1aa900e0a6c9b2fd903a544e81da53b4e3f1e2a89327850add13ad31b37b0f",
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+    "0x1d97bbf9dd69e78c337c4b29bff4ee6610cf681425710b259a01e05e5c9b0a61",
+    "0x27d118efa27a7bb62bb19340eedd40c611d153bf34713abc5f7fb68f13d5342a",
+    "0x3684a44627d62ed72517b9bca0b207530f6a5f3f040b99a831e0f346b490c1ec",
+    "0x160809c0d4f241089ac92c38573dbd16905a79a92457dab89866d1660228893c",
+    "0x3bd918b1638cb3d0c4a0d6dc32a38a57130602fc9dcfa5168c6e32763535ed7b",
+    "0x2d21b744dd3c32209d9b73e8c432717e2cc79647531d2c43949774239da9aeae",
+    "0x3b03dd62da0432e13138bd54beeee16ff66d4d3ac9537f73addc605d4ffcb9ef",
+    "0x26e921fbc318fbdc529c08663a7387afde086a2b18c9dd7efe698472f0025362",
+    "0x226bdcb7a0c434b7e0c778180a511e8f66318b506338b74046daeb6d84fd9007",
+    "0x34f40926fa043c174322ce7a2c6457069f8a1bdc2d99b3eebd3c9c029512fa4a",
+    "0x2273c82ed5fab577d4aecd4ab5a9c7761b5641d69e67aa2e7ab5a6712d8934ef",
+    "0x1fe8c90cd6876930d0edfa512fd9186f609f56ca4b4e7568f8a7992166ece88d",
+    "0x32e8de1da82a245b15ea76a9b7983d5789b2acda372be7d91c88e8f07fe4c024",
+    "0x22ecc6f8a7a343de7635c269462a7bc89f5d6fa0ebc9292028cafe976c8aee62",
+    "0x077581fb1d9a63ee9515826a92f723f7d14f9f6264f5e62b837def603d1fe078",
+    "0x093c0404ab2b3c9d2796b04d0e868643f9714d74b8773a593c5e29ec6fd3e202",
+    "0x12e584f660981bfd055bc25c1ecbd9640e3deaebba6717f54826c837d549de7e",
+    "0x1458a2080bf28c54222596768bab440ca93f0b9e52a948d6db3221a9ea0c80c5",
+    "0x08e9795744b32dc5ae454120280527638c2e9f3ddc2fcea07583f7e64246ff48",
+    "0x0de714513590392406ef3f9f89b18f5a62ddd7c42522857a3ef59ebcfdee6ec9",
+    "0x3a3dd909b43a8681d0c5c29a381decccb05994f0ab5a2265eefe5d4d982c044d",
+    "0x0a36306b7cc9aaa1983d6246685844c1bee6e9ef9ad2b643fbe4fdc5098e138a",
+    "0x06bddd9564c2e599ac1d8ea59ae33e0c0764a8d8eff2ff92f8c8204dc703f81e",
+    "0x060e0c65e2edb56e49739cbd1a02c830c3d2ffd972127a93efbc50dea525d8b3",
+    "0x387f6fafbc741bffcc13b915b084338fd4ec81c7e1a497f16a940eb10631f6b6",
+    "0x0cc72f9280e7be71312c244a8ce7f8d0ba142769bd49068392be63300b39d1db",
+    "0x3bd2cf836f83950eab8ac918e0581fee0bc1a2c9207dd5b38cd0c7e21ab675a5",
+    "0x23409162947509632a809619867846e6c24b889cc7dee00b3b8fc5dd4ffb6a31",
+    "0x379e37c59ffe759358f852adde479c7420ec7cc699e95997780a6a62265742c8",
+    "0x37c3bdecf6600716a0ecef60b221cbd0e6a32a74cb7fceb49f383593c83fcef4",
+    "0x1527f234d25e429e25161e144cb59498bf7d19cc42495251906e69c52aa4240a",
+    "0x1385df74a6161c145c604cb35427731ff50f3904d4879f1e2e0cbfb62126b176",
+    "0x15da18575787da934bd8f0c6e6ad6dc15267fb1c4020329c232ef9fd0186eed4",
+    "0x1543d41d31db3b440c5b140ef80d0cce4953bd8777060b65eb652ac306b72826",
+    "0x1ef832584c62a6900dd31743582dc7f134588de0e82fb5d6a719b18b84561e1d",
+    "0x1b8b2a0be21f21241253ffbc4ea0b1bb4cbf76a833054563252d58f4b7284049",
+    "0x3bdb4d9f14dc2839abb24218836a4eb1fe5899635803ed395d47ca24a9c9757d",
+    "0x10beadb527ecbc1cb7348b24d6798725a53cc1c2f3f2de3f8b9a8a546cbd0e08",
+    "0x18c14769d788f3b855d39559590b4c4a559f1a9fbc54b8c6dc9dd28d0d25620d",
+    "0x1ac30c6459ab5894739c6ccb987a07857d421461418e038b8eda9dd814d763aa",
+    "0x2683e5c655df4608df8bd9a1dbf484ec9a30cc08dca6271a16013b0c2888addb",
+    "0x0495ef56e50921b5b9387a81e01e69a0d0c4d3d75cf454dd2c0757e08bfb9056",
+    "0x029b5c9a5be8401ebe167337c3bda12ebcfa6adca3463ce9008082692a93efb8",
+    "0x11dd07d98a7c925167d62042420f9666a0de02484224ea53431a2df9eeb5b991",
+    "0x3b3a49f8f83f78f4afcafe9565b5684f3d231fda0aca0f8c40019de5afb66c25",
+];
+// Secure MDS: 0
+// n: 255
+// t: 3
+// N: 765
+// Result Algorithm 1:
+//  [True, 0]
+// Result Algorithm 2:
+//  [True, None]
+// Result Algorithm 3:
+//  [True, None]
+// Prime number: 0x40000000000000000000000000000000224698fc094cf91b992d30ed00000001
+// MDS matrix:
+const MDS: [[&str; 3]; 3] = [
+    [
+        "0x0ecf35c18051c7281db313539052bb05b9ab783bf62eb010ac4741410be2252f",
+        "0x1bf012d326a571662d8e3bedb6791c13fa0913b479d771845ba5a181d8c04a82",
+        "0x194f0dd87fd22f953d6b5d6b5854daacdb26c5ea92d72fe53991cdbe6f474abb",
+    ],
+    [
+        "0x31e91b394c132c69cb7c7bc430ebf58157a4096abfa28353ec1773a4483e05f2",
+        "0x392b9de453006cbe7218f87889ad6b16d06e39218bd63088f49e99b5a083ee8b",
+        "0x1e96c4bc4d8b8c5cf93662d5da7c4d9b6c5c3d1bc5eccda12c68c928affb4f27",
+    ],
+    [
+        "0x32c076ccff5138fcc55606edb3c25b9ebac93d00209054eca8134376f7b535d3",
+        "0x05943b16bd644cc63f025e3d972339da1d8fe3a0f2f614588e0017956c1def49",
+        "0x2cc2c1dcbbaaa6a9b11c5c4bea809bcd3a2a4aa76efa92ce31cd0e59b63fc58d",
+    ],
+];
+
+#[test]
+fn test_vectors() {
+    let poseidon = LsbPoseidon::<pallas::Base>::with_pow_sbox(3, 8, 120, 0);
+    let (round_constants, mds, _) = poseidon.constants();
+
+    for (actual, expected) in round_constants
+        .into_iter()
+        .flatten()
+        .map(|f| {
+            let mut bytes = f.to_bytes();
+            bytes.reverse();
+            format!("0x{}", hex::encode(&bytes))
+        })
+        .zip(ROUND_CONSTANTS.iter())
+    {
+        assert_eq!(&actual, expected);
+    }
+
+    for (actual, expected) in mds
+        .into_iter()
+        .flatten()
+        .map(|f| {
+            let mut bytes = f.to_bytes();
+            bytes.reverse();
+            format!("0x{}", hex::encode(&bytes))
+        })
+        .zip(MDS.iter().flatten())
+    {
+        assert_eq!(&actual, expected);
+    }
+}