diff --git a/Cargo.toml b/Cargo.toml
index 7158e3eb..7a832607 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,6 +42,7 @@ rev = "f8ff124a52d86e122e0705e8e9272f2099fe4c46"
 
 [dev-dependencies]
 criterion = "0.3"
+hex = "0.4"
 
 [lib]
 bench = false
diff --git a/src/primitives/poseidon.rs b/src/primitives/poseidon.rs
index c489ad07..bd9bf1d1 100644
--- 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.
diff --git a/src/primitives/poseidon/test_vectors.rs b/src/primitives/poseidon/test_vectors.rs
new file mode 100644
index 00000000..f449c195
--- /dev/null
+++ 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",
+    "0x23c01251443952fee267c1bd3b2f8f17625b38c52817593562283a4b4d59f831",
+    "0x1fa60e490684494fb414a8a4abed9fddd47462bfa7fcde1a811d6f487b50432a",
+    "0x0c47e08bf229b45ecb5803221fac2027f4c11dd5fc2efcb8f822fd91f11172d8",
+    "0x1888ed44920e46215426a8847079fcb3c90b323948d14a8c1c5c6d6d76a0940c",
+    "0x374d39d85b2b0a6d9a4a994502eb8a44dde7defee829eaf005a36eb0c8f12263",
+    "0x182bf90cecdaee91bc94411dd77d9415dd812c0ace98f43ba8aad85334a693e9",
+    "0x1d783fbe1b51a2ffb3f867c5799bc86325f11e8e291d76fc726e7a136d1b3c83",
+    "0x046d03e8e252bf29c7dc6d1b7aa555c3054c397a37d7f1872b506a158adb6596",
+    "0x36d1043a24950bae810d969b9453abf1cec277a4d722a88982eaace2fafb6a09",
+    "0x012c90f2e52ae9a7b87c77791666304bd16575468d257c13ab3c01b90c3194cc",
+    "0x2cd456d6b0686062657c45850a979c01fe8b8a69b49baedca2f8b911c7871c29",
+    "0x2b02192abc660afe6cdeec1b1777b2c58e0190428e7d0014b16ed2725accb23e",
+    "0x277449f686cb4312c20dcabb29e8e0b11c3936e458bcedbfc6e88d0455237451",
+    "0x394b9a2a40f447da818ebfcaacec1d918764c6b4daba3899e283d65ff72a95ee",
+    "0x1d0545a599c9a9defbcf37229c960f27e0a8f5342f2e4e81ed17d1eed4434395",
+    "0x2a77e8435bc101cd52ac4001e9a1a3ed422587766c0919180ac210d742c112ff",
+    "0x142cb33761f98b61c9c9810b4c4e1c555bc3696f041ac2f20b582b1411302c58",
+    "0x1c056ee88a54c38f88535dd500aa5aed4cef620f15a26c272ea6638f14a9fd85",
+    "0x1ddd2f847b1cd50754c82bf0da5f7a949971873709ef8db359a009c7fdc4f1fc",
+    "0x0dfc01ed2895367cb1d7c92f0980c7615cd765e96dbc019b56a4374a8f1e3771",
+    "0x3721039fb53130f4dc87207849ff3ba411acd30fb1deba4adc6b85509d7f7b80",
+    "0x35bf62e074fe04a08b7c53114f76e9c417dcfda09363890b72f985b345fb0b77",
+    "0x1ca7f5eb2f353606154c68a38e413c90332774da79749de780b74125e2143d9b",
+    "0x3c7aea17296b5e10449da1c01499205068a19742e09706c21f2c718c874ccb89",
+    "0x0d0f57ad52fb1fbf000ff2eaa0670fe103912bd456c6c9f7f94f9492cca4343e",
+    "0x1c832c237a262b5db72e5c7ba3d9252725ecad18e3029a407980510e6115abe1",
+    "0x3a91973fbe49eefd36a53a64efcff4e2b52980e9226cfd69afad2e03e3e1a792",
+    "0x0bdbb37da9c758245f3646dce034caf209593a38baf62a9ddabe1d2421af5e9c",
+    "0x013e1a7709127229801cfb2dec76fa2c57ee54e7d2ae18b3dfc26ede6ffacd3d",
+    "0x221c593cf2929d7597fd7d5ab4db42b0b0e9768807eeb5291ec54ca5c4e930bd",
+    "0x09b5ede7a2708dc4c043fbfeb596bea31dfdfd2175e0bb35a601bb50d2041620",
+    "0x3f88b3af06d1b7574c27993c3707ad9c752243e40e3131f676257d044f2ddeb7",
+    "0x26e2adb07473a1541bd048d43b3d9006c35b7e1206baa10ea461950a67b5f1b7",
+    "0x0329b0484f4d088411949a6562fa92487adc8c2d74509895c89963dc722605d6",
+    "0x3f1228946d7d1cb58bbb39c8138a4ddb9000079a7dbff55d6d000a50fba489ae",
+    "0x35c9850f960fb0b6ef9af400bd860e636df9712ae3bc15cd3d99f4c5c2bebb89",
+    "0x1616a41da12b2a451f39bd75809a757214cbc63667bbd824770a33b5ff53a6d4",
+    "0x203228abb845283e5267be7af5423d94b81cfda781d9727c7feec5083ee80b76",
+    "0x252983102ae5b2fc182f18ae6f18518fdac8c9c5bc0136c616f041edc5b45a77",
+    "0x362e5014776dcb520742f771b9a8cf59ede38355417b45d63ae04319d5445190",
+    "0x1c1bccc56382ec47b00545e3d6ebe6e0afe8882017f5e81e266b6f67bee9c488",
+    "0x05ee4754ae960218dc95f82a041137a37392d4aee361d9a3dbc303e392b2684d",
+    "0x216a1c4a864b8ba5c96d9b664d0f520490745818627445331f2c4a5dfbfd7311",
+    "0x09957bc6b09c43e7d2b4da1071d1a578e66f20617b5286dfeb73870bcaef9f6d",
+    "0x00658b3969feed8fe6148057fb99e45ec38a72acfe64151d39c9de50c9b70732",
+    "0x3ecaceefdabe0a041b64269d1dd175017b4cbbe69f7793319ddc21d1c764eb93",
+    "0x006e91eb4a16dceec706a9eb3d579d7df474e608d8762b30bb90e08cae38ddca",
+    "0x39a935c32ba0b466741e6f916755a7b3eebfa0d56c03c65dad0f7f9c4fbb4556",
+    "0x2e6845bc8472b9d88693640d6cde732611270f02b6f93a8a9f606085e98e20db",
+    "0x066cae5dc69109d98e593759b301f815a6b3d4391f467707086a3ee3d669b037",
+    "0x265c54d1002a4434a646804934fc6d80aa63ade30f1933f815be00dfbd88e386",
+    "0x129babd3ae61ed94003a52492d5dcbe88fb0efd5c61140aa459c2129bc9c5549",
+    "0x13d8d532c9a2141d82f7f7422db40775a95132a1af35068e779b7b7eb092919d",
+    "0x0eb085c4b2d5cbabd0db1b88780e1c18fe1391fb8c6aeb29d9cb19af45c02c97",
+    "0x31addf291aaab7ab213036b07186b365bb003e02604bf04ac92b80be6313dad8",
+    "0x2f313605aba970b6b9c9c2b6675a5e8cf2c8271fce56e983bcf0cb89ad0c2727",
+    "0x35f9cba200b39e8fb086f382be1e6ce12382d366b7f5f9aef723c6e487207415",
+    "0x3e32941ca1fc80c2e44bff763f2a3b203d367ab00d1b2383dad2472c4bd423bc",
+    "0x275381ba0848ecee5deecdf25510b633c3d5231e938dff72f7677d56f738f859",
+    "0x09d58904c028783a286dd85b67c02583aca5c393c45ffc22b5a3e00603d7f866",
+    "0x33623ff6b22b89e862c886b99fa8139caad603cbe0a8add16dde97b208b68de4",
+    "0x02c01de6244a0de6a1aae302dcb745139564f2838e642722de1545b349a2549a",
+    "0x138dac2d43dda6f4643682277083a932b7e61a1e06e6c3b4385169b80db8f8f5",
+    "0x29529b66a2536710b72712250672ebc4bdee95f1b27ebf0d0da5bda508e438f5",
+    "0x10a6b7fcfc5c70accc348edc1ed79f8591fc04233344335c3091f667d96de599",
+    "0x0c0ba4f4a28792689ffc278eb3b414122db743d2ea7af72d3d5c10fbc68f5073",
+    "0x2d948844366b8df32b85d10e69f66701f8ce646ead799b6b7520c0b062495b42",
+    "0x19a723a3cb774d07ad9502fe734c92554a306bc01af9e79152fda8d7e13b70ae",
+    "0x2607ef782cac62ab643a1ef315d24d656764d3623eebf168a03e68ceb95d9c06",
+    "0x2c549c4bf9cfa472a25987a913715b1baf44682689a85521cd38f44c2399c1f2",
+    "0x23420e7114aac926ea41287700be199d6b10c22f6d10b5c9f7c73f3cd03d57c8",
+    "0x30d11ebf921501399bd75a113f1729cbf8602e67e73081647fc955dafae7926b",
+    "0x349c13d261e729b2bb4187decaf44d2cdcb18664d2fe1b43a8d85a824f46b78e",
+    "0x12aad04eea5c528055c42c79bda22f1132354f4e1b90b6c67d194caa9969ac95",
+    "0x0d2c4b793002c11a87e0074fce3bff211680a86d76ca650a87885b32d6eae5bf",
+    "0x3e6aa80af3d73d853ff6a0917df15171f1b43be1af7a4d10f24baf034dfb7779",
+    "0x0e3d184eacc1f17c74256f928eadfe182deac5be4905a27858f0d4862f510de8",
+    "0x29b1e4fcebad1a799dafcb7f06f63ad33d1a1df03c24e868e761ec84c7927fca",
+    "0x081c9cbfe10a22357aaf892e58b84ee63f027613d70fb1fa2ac0cc354b08483c",
+    "0x1db61d46c32333f251d578fc59e050a4162137f82a8881de38d2bba5992f6d99",
+    "0x3211b70caa0df6c97503f80327c590bcc0f6ad6f93704ef33b5273d6144ae047",
+    "0x025ec2e141fb4f4d478e278b7051a9e9a5f3daa4c1fd1d6baacb468de39357bf",
+    "0x0b63e478c0c724b0ec1eac570a09a1b926172f0759a9cd8c865dc387b66696f5",
+    "0x106e1aa25b4550ac8af35685173e6f394a9904347d9b8b298ae8f838f6deb884",
+    "0x24d3e4e6c7cb87e8f0789e268d34b3494d9a1a45759dc6ad5e85148584775a76",
+    "0x00dcba9bf715d6a14aa385927c1d3264bb8e751010f239d6396226a5e1e2b327",
+    "0x3b637889f503cffe149e2b6bf50c18f4cd0c3cc2fb7260804d3a67571e5fc5be",
+    "0x0c5ab5d5b4f428e6cc9b263d88afc47b1ddd449b5ee51ad6923764b3ae92a9b3",
+    "0x0e456640ed73c584859151cd98564796a8bb28509db23f315ca7b7ad1daf22c9",
+    "0x1e43865565fca57a80a2c53e252d9cb2a1d64a49dd54128f8bc641d278351408",
+    "0x1431d0549d041f34cd6cdfb426f885632865563c3bd19ee4f2a7e4932b0c7e01",
+    "0x1c76185e9713e28dbc08148b684f8097e2c5895ddd1588bbad3f1fed4deb13b4",
+    "0x0dc6f197e25304795e81b4a56a64d75e25ba2726cf5f35d560bc0560ac3ac7b2",
+    "0x38b636a0f5689764ac958b43385980a86f54b4063183e73952b7c4f93a804f70",
+    "0x01bb61bf50e4236cc30c7970722adb2363e1cf29e268cb7417ad80f8f9c6ac85",
+    "0x1d40a6ea86cc01c9c8ac893dd03e7660cc4accc5c36e629fab77fe5617740f13",
+    "0x1219a127a16f4432cf2acf327fee2e08aec997636041a9ec6cdb32cc7634f11f",
+    "0x0c545f1e3e4562b69cf337181e38e6e34b41785226a85bb9590116d92e106683",
+    "0x334d30e573a75f679c47f412a1806ae2332cccd9d4d60bdc20c58d460abf4247",
+    "0x277b15322c63c87a6e81f1f596818c35f0fbe0ec17aab0e9a1ea94946c5fe98e",
+    "0x1cbafec6cc9b4084a7abeeb370c3a6a829fe8042390d56e3c67017821faac1a7",
+    "0x3278c24b3ed150e6a2f534700068354803c556e3a5bc9e0e8d11ce4e0705bb4a",
+    "0x3c202e2ccc98a96027158a5410a9e59ac7e0f982df14b4a4390d8b94045fcd97",
+    "0x361beb0fbeb0e0a99173052730922b1faf836b30d592404dca8098c0ea929506",
+    "0x3423f54410937cb1acddca24e39c8df749a407c0401cd74177f77cc6668f4609",
+    "0x31abd046f17b8f129abd12b0eff20318ea8617c95b43eb2ba2d060c96496f818",
+    "0x112db4e149c93dd4dbc3b9d8c4c1c159d36b83d9ccfdea9b004a662e4e9d58cd",
+    "0x0dc3ae49fafecdb4f61339bac54f6ead9144814cbce0be03447e640d33b373d9",
+    "0x0b6cc8aa6f24d7d86ccfc428c8495a95e064b38d7f6fedf80837df9b8fcb1fb3",
+    "0x097e4e0edc7267dfadf2b4d718e175f90566a46ad0d2df560267d0d992243b13",
+    "0x3229895750ef78eb656ce30c31e0509aefdad5ce27b65dac9218860fb249e106",
+    "0x2adb86116cf72585dec5ffcea770541a281da3c0667cb9d92da5b3248e03639d",
+    "0x237dd4af8db23319749785ba067c59ddbec3dc7964b1f086ae9c9b2b184b2880",
+    "0x283140df5881e1a2047aba68dde32e5b8d35f746506c7aefcc624abc65282ec6",
+    "0x02510b294766697951e2274963d2d9908e6df2209717a03f6740dfd09c4bf001",
+    "0x10e275d7a304f126af3abc05eb39e2e8cc8f5b87f5dc4ddfd1daccb1f87cda15",
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+    "0x324175772460dd1be78908031052e86393cff81d1cb5e60b6c28d3706688626a",
+    "0x13bff1786447d1fc7ef79fd5f0be5d8a657f6d2cc96fac1e208bbbe8720d5869",
+    "0x030db325766741b2cfbfbe508216ca508b3bc9e85ffc901f0e167c5c194f2a93",
+    "0x051e52bc595e584516d62ed009f78430d9eb753d952ca694525ab5d1a936456d",
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+    "0x18b5d4253c4f2455001bc9d739278571d694ce002140b980570077532c029a26",
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+    "0x3865e1b9df6632bbfee70acf6c097e489b06b473fc6871b331a8bed10e147383",
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+    "0x13c12029f2a0ba6771e1d0ef1159cdd550b05380b64cba2c58cd40b65229da36",
+    "0x3559eb0a08be1761e25c67824b84609869fafe7a1087677d0918f3af55ac07a5",
+    "0x3984ee17d6d266d11863ba10da69cbb953836d3245da350330f87d05d06b6a6f",
+    "0x0c75d7dc2743afaa2dda175003935df3615841291f4e9d08e3b91812d88acb40",
+    "0x221857498facb51b05ec3f122aea0bc57380034d1fe80d47267b9cb9784f5453",
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+    "0x0a68ca14cff41d36ba575d21ffbc1fa5728c24a748bc30b4df0f6740fe7f72f2",
+    "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);
+    }
+}