diff --git a/src/vdaf/mastic.rs b/src/vdaf/mastic.rs
index 15ed19a2..44f23b73 100644
--- a/src/vdaf/mastic.rs
+++ b/src/vdaf/mastic.rs
@@ -584,10 +584,8 @@ impl<T: Type> Aggregator<32, NONCE_SIZE> for Mastic<T> {
         };
 
         let eval_proof = {
-            let mut eval_proof_xof = XofTurboShake128::from_seed_slice(
-                &[],
-                &[&dst_usage(USAGE_EVAL_PROOF), &self.id, ctx],
-            );
+            let mut eval_proof_xof =
+                XofTurboShake128::init(verify_key, &[&dst_usage(USAGE_EVAL_PROOF), &self.id, ctx]);
             eval_proof_xof.update(&onehot_check);
             eval_proof_xof.update(&counter_check);
             eval_proof_xof.update(&payload_check);
diff --git a/src/vdaf/test_vec/mastic/04/MasticCount_0.json b/src/vdaf/test_vec/mastic/04/MasticCount_0.json
index 2bdb4ca5..03c22f7c 100644
--- a/src/vdaf/test_vec/mastic/04/MasticCount_0.json
+++ b/src/vdaf/test_vec/mastic/04/MasticCount_0.json
@@ -42,8 +42,8 @@
             ],
             "prep_shares": [
                 [
-                    "2f82f72d65d285b4d41551667bc8d1832ed2212b211bec5bf0e228302bbcd23282518600b8bd84150c9df3154968eb00fd6949610bbaa838f528e845e9b134bf",
-                    "2f82f72d65d285b4d41551667bc8d1832ed2212b211bec5bf0e228302bbcd2327fae79ff46427bea6814d366e7d3bd95781ac4b7ab90e6a99f6399ebb8914e6d"
+                    "e5633260ecd70036482bbf2c93887bf4347c130f587247d63fe537250bb3c49382518600b8bd84150c9df3154968eb00fd6949610bbaa838f528e845e9b134bf",
+                    "e5633260ecd70036482bbf2c93887bf4347c130f587247d63fe537250bb3c4937fae79ff46427bea6814d366e7d3bd95781ac4b7ab90e6a99f6399ebb8914e6d"
                 ]
             ],
             "public_share": "0e30118b55bf77ff34817d80025c5c736b1ee2188425350e71cc1dc5a779de3e6ff0676312c362381937b2713cf2d65c6bfd5e3a8400fe1b3f71da0726d672f55f893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e13432801b02eeda044017d8cc739b4f93ea6360a4887c1b1f4e688c4a6b02a111",
diff --git a/src/vdaf/test_vec/mastic/04/MasticCount_1.json b/src/vdaf/test_vec/mastic/04/MasticCount_1.json
index bcce7f7a..548dc9b6 100644
--- a/src/vdaf/test_vec/mastic/04/MasticCount_1.json
+++ b/src/vdaf/test_vec/mastic/04/MasticCount_1.json
@@ -42,8 +42,8 @@
             ],
             "prep_shares": [
                 [
-                    "ca98c5aa7a21e337c3feb5e936676af3169f0b4e524da401bc107bb92447b98382518600b8bd8415522695511228b9228a6b0a9d88a7f97af0b1b62107f08c47",
-                    "ca98c5aa7a21e337c3feb5e936676af3169f0b4e524da401bc107bb92447b9837fae79ff46427beaf79ffb3f48d217d30f4b40b400becf0407f72fed209095f2"
+                    "da7b578f9408c348b22ae735a3693ba6911b45de47b0a3502055735eddf5c85382518600b8bd8415522695511228b9228a6b0a9d88a7f97af0b1b62107f08c47",
+                    "da7b578f9408c348b22ae735a3693ba6911b45de47b0a3502055735eddf5c8537fae79ff46427beaf79ffb3f48d217d30f4b40b400becf0407f72fed209095f2"
                 ]
             ],
             "public_share": "0e30118b55bf77ff34817d80025c5c736b1ee2188425350e71cc1dc5a779de3e6ff0676312c362381937b2713cf2d65c6bfd5e3a8400fe1b3f71da0726d672f55f893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e13432801b02eeda044017d8cc739b4f93ea6360a4887c1b1f4e688c4a6b02a111",
diff --git a/src/vdaf/test_vec/mastic/04/MasticCount_2.json b/src/vdaf/test_vec/mastic/04/MasticCount_2.json
index 48f8c1fb..1772d4bc 100644
--- a/src/vdaf/test_vec/mastic/04/MasticCount_2.json
+++ b/src/vdaf/test_vec/mastic/04/MasticCount_2.json
@@ -70,8 +70,8 @@
             ],
             "prep_shares": [
                 [
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f012c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f2c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4fd59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -132,8 +132,8 @@
             ],
             "prep_shares": [
                 [
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f012c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f2c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4fd59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -194,8 +194,8 @@
             ],
             "prep_shares": [
                 [
-                    "1b2c1279cbb20661f5ab2be4932d729c303a47668fff4e305d4a2501a7bc19412c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "1b2c1279cbb20661f5ab2be4932d729c303a47668fff4e305d4a2501a7bc1941d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "c9d0da8cfc02347b2b1d9045be754e283d2141b33d77a38a2666ad6329566c482c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "c9d0da8cfc02347b2b1d9045be754e283d2141b33d77a38a2666ad6329566c48d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "7d038031b3e41fc4b2fe2a3f77de06db7fe0806225f5601afc6f1578ceb8a6d174c5848d58535ab915bafb428087a2f62dbc76138f52a253028dda7eae3b502b33a9e821410b02d88a837bc1be5f59b920e4149b0a3cb2046aef8e96793a0ac548f123fcc6eebe7973c8a4500651955a5006024a26201bd34c0c4a4cdc45998b19adf4c9f946b4430a94eee7e5347e4fd8ca08c7752a400682f85f764f00e454aa8eee93800b487bd2d95f87686634e4c74723ab3aa3d8e288a63d584e3ce60d95195d8a6ed1b06313abfd68aed8386c912daf717fa863f9be15f7deed160398a19bf9f059a1bd2f7dc042c265cc3a3996d66a9c40e98baee3afa152bf3409e125d8d198350d02b43d48d2d0107db1d8852adf97fcd85574b13921482e2aac8dc9f4445b323b3f134362290326a68932ff3074c171f37827428c61790656b82b9815",
@@ -256,8 +256,8 @@
             ],
             "prep_shares": [
                 [
-                    "430b3d19e1bd81c0431e5777404c3baf778bdd9b51301295ed0c8c84e6f7d8002c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "430b3d19e1bd81c0431e5777404c3baf778bdd9b51301295ed0c8c84e6f7d800d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "7216b1776a3e04a2ac0b7e6d28cc25ebec003be7fe6a43141c10e352df5299232c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "7216b1776a3e04a2ac0b7e6d28cc25ebec003be7fe6a43141c10e352df529923d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -318,8 +318,8 @@
             ],
             "prep_shares": [
                 [
-                    "d75698175382ef7dd2072aef0341fec47772bc07c9c4658ce3c49fa6e8ceba092c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "d75698175382ef7dd2072aef0341fec47772bc07c9c4658ce3c49fa6e8ceba09d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "66e2a7759d077c408a12e7d051cc184d1836e2e9d0a9519a200da0997ca41e662c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "66e2a7759d077c408a12e7d051cc184d1836e2e9d0a9519a200da0997ca41e66d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -380,8 +380,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c912c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea2c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ead59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -442,8 +442,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c912c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea2c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ead59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "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",
@@ -504,8 +504,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c912c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91d59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea2c6d7e029fcf988f10f9095c548f022766f44bd80f2e0313d1f3468b15732930",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ead59281fd5f30677010fb3c8ed88093515d94632fceae87396146dd9ef6cad681"
                 ]
             ],
             "public_share": "31028031b3e41fc4b2fe2a3f77de06db7fe06eb6ffd9b0e2083236efcc45c94d7ca7c061c2d66fafdc0b34509f1ee246cbb18481284d0d1422caa93c58f805ae12fc96571eb833cf5d83fb68cbb285da472b149b0a3cb2046aef8e96793a0ac548f162d5e495135c2e58052f8f36198892949f86b8b81414971f05f924425ae428b556e4139b9825e7e74c4196275f57f2fc35eb52f72c55e93e3193770130eeba06ee93800b487bd2d95f87686634e4c74723ab3aa3d8e288a63d584e3ce60d951995ab0e635ea4fedf3caa17b706f31176ecf46fb2e546968cacd3a14cc0d62fa67c6a09c7f01c16d806cec200dc627740e5f34a4a7ea2e9e55e3194a8652a6786e7470ead40be1b247b55d606b969ae0c3d0360c532198dcad4e005bf46c41a53dba6144791872eda1df638dddb9611af728d28038b36219984799f53979b99c7",
diff --git a/src/vdaf/test_vec/mastic/04/MasticCount_3.json b/src/vdaf/test_vec/mastic/04/MasticCount_3.json
index 66a981bb..813580c6 100644
--- a/src/vdaf/test_vec/mastic/04/MasticCount_3.json
+++ b/src/vdaf/test_vec/mastic/04/MasticCount_3.json
@@ -70,8 +70,8 @@
             ],
             "prep_shares": [
                 [
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01",
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01"
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f",
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f"
                 ]
             ],
             "public_share": "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",
@@ -132,8 +132,8 @@
             ],
             "prep_shares": [
                 [
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01",
-                    "a06b0fd0b5da2b6170bf8b83542427cccb6d0ecddf143dfd1554717d7a5a3f01"
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f",
+                    "b3cd0aed8a950172f79946eb28e09d9620dbe29c46e043069eab50900f1b8a4f"
                 ]
             ],
             "public_share": "8d038031b3e41fc4b2fe2a3f77de06db7fe0806225f5601afc6f1578ceb8a6d174c50c4eecaffdf4f2310f168d03c5a4cbfc4c3ed6bc04479d05151e4f21be576a880c8ec3143a6b9fb9509d7d0658fc05dc149b0a3cb2046aef8e96793a0ac548f123fcc6eebe7973c8a4500651955a500673e19649c10909b051ef18c08828de79e178096261b4c3169c50015389bba0478bf97610f7213fc164c370974ff59af7ee93800b487bd2d95f87686634e4c74723ab3aa3d8e288a63d584e3ce60d95195d8a6ed1b06313abfd68aed8386c912daf717fa863f9be15f7deed160398a19baaaf1d852effaecf38087b1f17ad19b1e80e4d3db60256766001b0a4c38a898a85aa6f8e3232ffd494468e9fb68a47adaf0c8208509e03347be29702fece293d8af82c3d087c30ea20ac9bb6d0f2d87c22beaa9561bff4925c071d452e2d774d",
@@ -194,8 +194,8 @@
             ],
             "prep_shares": [
                 [
-                    "1b2c1279cbb20661f5ab2be4932d729c303a47668fff4e305d4a2501a7bc1941",
-                    "1b2c1279cbb20661f5ab2be4932d729c303a47668fff4e305d4a2501a7bc1941"
+                    "c9d0da8cfc02347b2b1d9045be754e283d2141b33d77a38a2666ad6329566c48",
+                    "c9d0da8cfc02347b2b1d9045be754e283d2141b33d77a38a2666ad6329566c48"
                 ]
             ],
             "public_share": "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",
@@ -256,8 +256,8 @@
             ],
             "prep_shares": [
                 [
-                    "430b3d19e1bd81c0431e5777404c3baf778bdd9b51301295ed0c8c84e6f7d800",
-                    "430b3d19e1bd81c0431e5777404c3baf778bdd9b51301295ed0c8c84e6f7d800"
+                    "7216b1776a3e04a2ac0b7e6d28cc25ebec003be7fe6a43141c10e352df529923",
+                    "7216b1776a3e04a2ac0b7e6d28cc25ebec003be7fe6a43141c10e352df529923"
                 ]
             ],
             "public_share": "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",
@@ -318,8 +318,8 @@
             ],
             "prep_shares": [
                 [
-                    "d75698175382ef7dd2072aef0341fec47772bc07c9c4658ce3c49fa6e8ceba09",
-                    "d75698175382ef7dd2072aef0341fec47772bc07c9c4658ce3c49fa6e8ceba09"
+                    "66e2a7759d077c408a12e7d051cc184d1836e2e9d0a9519a200da0997ca41e66",
+                    "66e2a7759d077c408a12e7d051cc184d1836e2e9d0a9519a200da0997ca41e66"
                 ]
             ],
             "public_share": "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",
@@ -380,8 +380,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea"
                 ]
             ],
             "public_share": "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",
@@ -442,8 +442,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea"
                 ]
             ],
             "public_share": "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",
@@ -504,8 +504,8 @@
             ],
             "prep_shares": [
                 [
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91",
-                    "0e16acbb2223be8795db7d711e7c663b90d44abeff37bb901ca4b6c8ef6a4c91"
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea",
+                    "1d12dfd5d8e831d525bcbe038a44a9a93bc63c7a7bb7e20cf65e699723c961ea"
                 ]
             ],
             "public_share": "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",
diff --git a/src/vdaf/test_vec/mastic/04/MasticHistogram_0.json b/src/vdaf/test_vec/mastic/04/MasticHistogram_0.json
index e2e63aad..d15660cf 100644
--- a/src/vdaf/test_vec/mastic/04/MasticHistogram_0.json
+++ b/src/vdaf/test_vec/mastic/04/MasticHistogram_0.json
@@ -66,8 +66,8 @@
             ],
             "prep_shares": [
                 [
-                    "67b7ad73d5cc843b1b2a4de72571d02bf2d2ca8dee9d373829faacc7767a36b06679cc979fa30684efd4027510ff58f56d3c1d50cf7e9b9eb2e46354f16b674a8d1d240afc43c4417e46872b273a885a324976797dc80b1f91adbba17a163272c7eb84e5f0366d824e2480e0530971134737391f58128f3578d67cf3dbbeab2422955ad6463e273d6f4dc3368ae00bb6cb2ff8077159c304d9dcd36cf3a7bbd3",
-                    "67b7ad73d5cc843b1b2a4de72571d02bf2d2ca8dee9d373829faacc7767a36b01ff08c44c74df85378ff5da84b83ebd2848f6620f3fe286bf21d277851282cdb74e2dbf503bc3bbe65b978d4d8c577a599fb40798a5822282ba2af02fb2314ebcf4e9c5205d755cd092d7c482e7202ef68833eb8b1828a95fe094ff66085a27e7f557646c775df3217c560ea114f254f783fa9275229042d61f2defc752e1207"
+                    "e02120c7ccc7b316fb2abd5861076b8a1fbcf41fe1831cdd7796cec6728b787a6679cc979fa30684efd4027510ff58f56d3c1d50cf7e9b9eb2e46354f16b674a8d1d240afc43c4417e46872b273a885a324976797dc80b1f91adbba17a163272c7eb84e5f0366d824e2480e0530971134737391f58128f3578d67cf3dbbeab2422955ad6463e273d6f4dc3368ae00bb6cb2ff8077159c304d9dcd36cf3a7bbd3",
+                    "e02120c7ccc7b316fb2abd5861076b8a1fbcf41fe1831cdd7796cec6728b787a1ff08c44c74df85378ff5da84b83ebd2848f6620f3fe286bf21d277851282cdb74e2dbf503bc3bbe65b978d4d8c577a599fb40798a5822282ba2af02fb2314ebcf4e9c5205d755cd092d7c482e7202ef68833eb8b1828a95fe094ff66085a27e7f557646c775df3217c560ea114f254f783fa9275229042d61f2defc752e1207"
                 ]
             ],
             "public_share": "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",
@@ -117,8 +117,8 @@
             ],
             "prep_shares": [
                 [
-                    "1be468d41bcdad7793f8977641c28895e03b433968995db6f133d9dbdabbc591761516be946546b487df4d2793729b4cad0a7b18ece4b5d3885b3354e34dd8f5a83944bcb3656eaf883a692698b4bf817f2ea2fe9d94d6c80a18da829261b7e5e85af9ec0e44be4651e6d5f1e932756d63c1b7114be9c722a6906547e165a30e216acee297f14fe805592aff1f4ceca7745704bd2b1f6dfa8d91355267e72fda",
-                    "1be468d41bcdad7793f8977641c28895e03b433968995db6f133d9dbdabbc59119f63e6dd9448ce253d1586347bdbf21ac5aac8d1c20f23815ecc54eb4fecee059c6bb434c9a91505bc596d9674b407e58e3c8c9d0d1c0ca3cf3fde212d27fc95efec07e8e9eb4714dbac2886b9bc9bd303e191c97229ea6e7acbe828128bd4d95d5098b1597be158ddf2f58aa614d13783fa9275229042d61f2defc752e1207"
+                    "9231df1d385dd79881925bb56ee4525c4beb6089da6146f7dd76e0342f95094e761516be946546b487df4d2793729b4cad0a7b18ece4b5d3885b3354e34dd8f5a83944bcb3656eaf883a692698b4bf817f2ea2fe9d94d6c80a18da829261b7e5e85af9ec0e44be4651e6d5f1e932756d63c1b7114be9c722a6906547e165a30e216acee297f14fe805592aff1f4ceca7745704bd2b1f6dfa8d91355267e72fda",
+                    "9231df1d385dd79881925bb56ee4525c4beb6089da6146f7dd76e0342f95094e19f63e6dd9448ce253d1586347bdbf21ac5aac8d1c20f23815ecc54eb4fecee059c6bb434c9a91505bc596d9674b407e58e3c8c9d0d1c0ca3cf3fde212d27fc95efec07e8e9eb4714dbac2886b9bc9bd303e191c97229ea6e7acbe828128bd4d95d5098b1597be158ddf2f58aa614d13783fa9275229042d61f2defc752e1207"
                 ]
             ],
             "public_share": "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",
@@ -168,8 +168,8 @@
             ],
             "prep_shares": [
                 [
-                    "a312952aebe8259f91d594f7a4abf7c4a1f3b428ddc20b1f6cbe4b2dbfa6c3e9a40e0968dafc98e8a20ba66164b2d681ab4e651299ed39200fa5c089aa80e33fa83944bcb3656eaf883a692698b4bf812db9dfe6d05d1c333b636a89c0cde27a98799220b6186eaf97357243bd854096087338e06e9a358e60e31563bf50d614714b35aff01ca07fbf098ead4cf9207fff51023781b09a1cc43c27fb202c52e8",
-                    "a312952aebe8259f91d594f7a4abf7c4a1f3b428ddc20b1f6cbe4b2dbfa6c3e975cdd16c78b72094aa3d1245de0f6d8d9cf647df7a1b0bf2fce7bc69b0b1f6b559c6bb434c9a91505bc596d9674b407e9e8bd70b37c3111481ec001bb56c63e2fec08e1740f554a0c01b8ae5c4f5326c50d01f2fcae5185ce4861c700a85bb59f5123cf263401ee7197e68fb5007e464783fa9275229042d61f2defc752e1207"
+                    "27320957b48ba80e929cb7fee968ec46962257aa5ba7a0a5a85a9f1d0016bb6fa40e0968dafc98e8a20ba66164b2d681ab4e651299ed39200fa5c089aa80e33fa83944bcb3656eaf883a692698b4bf812db9dfe6d05d1c333b636a89c0cde27a98799220b6186eaf97357243bd854096087338e06e9a358e60e31563bf50d614714b35aff01ca07fbf098ead4cf9207fff51023781b09a1cc43c27fb202c52e8",
+                    "27320957b48ba80e929cb7fee968ec46962257aa5ba7a0a5a85a9f1d0016bb6f75cdd16c78b72094aa3d1245de0f6d8d9cf647df7a1b0bf2fce7bc69b0b1f6b559c6bb434c9a91505bc596d9674b407e9e8bd70b37c3111481ec001bb56c63e2fec08e1740f554a0c01b8ae5c4f5326c50d01f2fcae5185ce4861c700a85bb59f5123cf263401ee7197e68fb5007e464783fa9275229042d61f2defc752e1207"
                 ]
             ],
             "public_share": "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",
diff --git a/src/vdaf/test_vec/mastic/04/MasticMultihotCountVec_0.json b/src/vdaf/test_vec/mastic/04/MasticMultihotCountVec_0.json
index d0f56ba2..7e1bccf4 100644
--- a/src/vdaf/test_vec/mastic/04/MasticMultihotCountVec_0.json
+++ b/src/vdaf/test_vec/mastic/04/MasticMultihotCountVec_0.json
@@ -72,8 +72,8 @@
             ],
             "prep_shares": [
                 [
-                    "ba90e769d14e55354d7dc0381df760c5d4ef0b21ea3dd71515d5ca49db3fb16e5988e31ac1ed2ad49341ac47f78853d7a0f5420dd541699b0d01ee711bfa9f0da36078a456c7a4f520430db78d0d7364727928745f9fe845a944c55ac562111ee4d5302dc4130a56b19af3e55edd0110c57f6ba119d13e702c0815443dacc14942e7aa92d41308c524107172e0bdf987b44bc79bf70726e48b5ce8367866c219",
-                    "ba90e769d14e55354d7dc0381df760c5d4ef0b21ea3dd71515d5ca49db3fb16e52358c332dccef26a1ea7be47c03d16ef6ad0f484c25498cf9a301d833f6cb555e9f875ba9385b0ac3bcf24872f28c9b801c7169dddd4cf4aaa7740d568228e100efdd1c2edbc9dd74fbcbc84ebe950bbd88624443def801ab5146d0126b92c84dd192823503ce2b85ec36a505fd71621007b5cb206b33d805b77a6c6736386b"
+                    "a31ed68a1f6d15f3254d304d4c74277583696ef799b6869ba3e1f295aed14b425988e31ac1ed2ad49341ac47f78853d7a0f5420dd541699b0d01ee711bfa9f0da36078a456c7a4f520430db78d0d7364727928745f9fe845a944c55ac562111ee4d5302dc4130a56b19af3e55edd0110c57f6ba119d13e702c0815443dacc14942e7aa92d41308c524107172e0bdf987b44bc79bf70726e48b5ce8367866c219",
+                    "a31ed68a1f6d15f3254d304d4c74277583696ef799b6869ba3e1f295aed14b4252358c332dccef26a1ea7be47c03d16ef6ad0f484c25498cf9a301d833f6cb555e9f875ba9385b0ac3bcf24872f28c9b801c7169dddd4cf4aaa7740d568228e100efdd1c2edbc9dd74fbcbc84ebe950bbd88624443def801ab5146d0126b92c84dd192823503ce2b85ec36a505fd71621007b5cb206b33d805b77a6c6736386b"
                 ]
             ],
             "public_share": "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",
@@ -128,8 +128,8 @@
             ],
             "prep_shares": [
                 [
-                    "188e829f01480699541966f73463188b1a3325d96e8916d6f0b57f6250b659d6b48b9dbe706c287c03df5799777fafc0ea378f22556d191266785cc81ab47b5c5c674649f7a17c6a27f03d696a5ca8685d3af9dab3f272622e99eac8d715de13e0e9aaeac1f815426773612fccba5d00c74d4fa232f38b03c8ed6e49b46583609160750d2c35b08275375058aa10378b796f0f78fadac82ba63ffe1a798ec6e7",
-                    "188e829f01480699541966f73463188b1a3325d96e8916d6f0b57f6250b659d6f9888742c67c90acb2402a36da7287c2afce40a2b4b50832fd6224982888bcdaa598b9b6085e8395bc0fc29695a35797b7a6ff17f4099eaea25451410bc7cf0804db635f30f6bdf1be225e7fe1e0391b6c2e564a77ce8fc3c31dc51b95a78af4fe57c807dee1256e34c557bf3baa345f1007b5cb206b33d805b77a6c6736386b"
+                    "4d30e35ec30a480357fefc97628ad522d6b9f3e624cd593fc2574fe01e5cf00cb48b9dbe706c287c03df5799777fafc0ea378f22556d191266785cc81ab47b5c5c674649f7a17c6a27f03d696a5ca8685d3af9dab3f272622e99eac8d715de13e0e9aaeac1f815426773612fccba5d00c74d4fa232f38b03c8ed6e49b46583609160750d2c35b08275375058aa10378b796f0f78fadac82ba63ffe1a798ec6e7",
+                    "4d30e35ec30a480357fefc97628ad522d6b9f3e624cd593fc2574fe01e5cf00cf9888742c67c90acb2402a36da7287c2afce40a2b4b50832fd6224982888bcdaa598b9b6085e8395bc0fc29695a35797b7a6ff17f4099eaea25451410bc7cf0804db635f30f6bdf1be225e7fe1e0391b6c2e564a77ce8fc3c31dc51b95a78af4fe57c807dee1256e34c557bf3baa345f1007b5cb206b33d805b77a6c6736386b"
                 ]
             ],
             "public_share": "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",
diff --git a/src/vdaf/test_vec/mastic/04/MasticSumVec_0.json b/src/vdaf/test_vec/mastic/04/MasticSumVec_0.json
index a0d77070..b7ba0d62 100644
--- a/src/vdaf/test_vec/mastic/04/MasticSumVec_0.json
+++ b/src/vdaf/test_vec/mastic/04/MasticSumVec_0.json
@@ -66,8 +66,8 @@
             ],
             "prep_shares": [
                 [
-                    "fcfb049e11c30eb885ea0c37ae7da2fc39777d12bcb0222110169fb2a4ae32b0e5f8a3048906eb1ffc00a65aee4b5666d791da455536f799fcc1ed0ff4784095df6aa7d3e2f0e5b944b807585055a879d2983caff33b2fc75efbd15081a031be29f150f0421d01edf59c9e517c11a97a17babce4a4409dea83a836401f4ebfe8",
-                    "fcfb049e11c30eb885ea0c37ae7da2fc39777d12bcb0222110169fb2a4ae32b0b65b3467a80c2c9463306f865a3e286efa8cf888bcfc8bc2a0a3c949e431a6fe2295582c1d0f1a469f47f8a7afaa5786b811ad8b3e594feff0bb38a3ac585987ad2c86434296538b7e188847ca1539ad24c2e939cf9c47e6f6088e485a86ecfa"
+                    "5e278b590f6ba6d04ffc3dbb6064404520753e2e0548b54f3c1259e0f73eb6cae5f8a3048906eb1ffc00a65aee4b5666d791da455536f799fcc1ed0ff4784095df6aa7d3e2f0e5b944b807585055a879d2983caff33b2fc75efbd15081a031be29f150f0421d01edf59c9e517c11a97a17babce4a4409dea83a836401f4ebfe8",
+                    "5e278b590f6ba6d04ffc3dbb6064404520753e2e0548b54f3c1259e0f73eb6cab65b3467a80c2c9463306f865a3e286efa8cf888bcfc8bc2a0a3c949e431a6fe2295582c1d0f1a469f47f8a7afaa5786b811ad8b3e594feff0bb38a3ac585987ad2c86434296538b7e188847ca1539ad24c2e939cf9c47e6f6088e485a86ecfa"
                 ]
             ],
             "public_share": "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",
@@ -123,8 +123,8 @@
             ],
             "prep_shares": [
                 [
-                    "342d691727313d4803e0dcef6ec8c212bf305afbabba221e2464ab48d917c9ef4b477c67d4961dc5b6a5f34ae1856787977bdbdb98e06d267e56032ee73ddfe4df6aa7d3e2f0e5b944b807585055a879820717301252a4b0a7c4c42911905575c432135d1168cd2a5fcffbd7883c3e0158fd6abae81045cd0ce6ebf532c0aacd",
-                    "342d691727313d4803e0dcef6ec8c212bf305afbabba221e2464ab48d917c9efb65b3467a80c2c9463306f865a3e286efa8cf888bcfc8bc2a0a3c949e431a6fe2295582c1d0f1a469f47f8a7afaa57864e157951868200788e8660575453db48ad2c86434296538b7e188847ca1539ad24c2e939cf9c47e6f6088e485a86ecfa"
+                    "af330619c030a41bef40ee82f301a245c2abcb2633e920305791503b351349c24b477c67d4961dc5b6a5f34ae1856787977bdbdb98e06d267e56032ee73ddfe4df6aa7d3e2f0e5b944b807585055a879820717301252a4b0a7c4c42911905575c432135d1168cd2a5fcffbd7883c3e0158fd6abae81045cd0ce6ebf532c0aacd",
+                    "af330619c030a41bef40ee82f301a245c2abcb2633e920305791503b351349c2b65b3467a80c2c9463306f865a3e286efa8cf888bcfc8bc2a0a3c949e431a6fe2295582c1d0f1a469f47f8a7afaa57864e157951868200788e8660575453db48ad2c86434296538b7e188847ca1539ad24c2e939cf9c47e6f6088e485a86ecfa"
                 ]
             ],
             "public_share": "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",
diff --git a/src/vdaf/test_vec/mastic/04/MasticSum_0.json b/src/vdaf/test_vec/mastic/04/MasticSum_0.json
index 08434f97..278e5ca2 100644
--- a/src/vdaf/test_vec/mastic/04/MasticSum_0.json
+++ b/src/vdaf/test_vec/mastic/04/MasticSum_0.json
@@ -43,8 +43,8 @@
             ],
             "prep_shares": [
                 [
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043bf6ca3ba3979c6d9bc1ee26d7648f311055dfa95908e5408a",
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043b0b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea54f6ca3ba3979c6d9bc1ee26d7648f311055dfa95908e5408a",
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea540b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
                 ]
             ],
             "public_share": "0e30118b55bf77ff34817d80025c5c736b1ee2188425350e71cc1dc5a779de3e6ff0676312c362381937b2713cf2d65c6b8292f0d3c4d16ea7ffe74d3745a519e3ffd22bf9633b4251dd48e7f6ccc71ed819ba5f88363856a9fd5e3a8400fe1b3f71da0726d672f55f6a6225aecfbb419c5cfa5a405f278e9f03a185e3eaa238ec8f7cf8395eadd3adafa9d2b0271cbcec893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e13432801b02eeda044017d8cc739b4f93ea6360a4887c1b1f4e688c4a6b02a111",
@@ -82,8 +82,8 @@
             ],
             "prep_shares": [
                 [
-                    "fd7c3249442a6e12ed48384ee1f59dace43a8b9964db905ff452d7a8855ec3ffa91e63323176f162b67ab687cf5efb3360e9974583e64f7d",
-                    "fd7c3249442a6e12ed48384ee1f59dace43a8b9964db905ff452d7a8855ec3ff58e19ccdcd890e9d73aea3e248aa96a3acfd2923b1edac52"
+                    "3a2e3e02e7352f32d3deac3419b245bc0b7cc79283a92899a7643827668228c6a91e63323176f162b67ab687cf5efb3360e9974583e64f7d",
+                    "3a2e3e02e7352f32d3deac3419b245bc0b7cc79283a92899a7643827668228c658e19ccdcd890e9d73aea3e248aa96a3acfd2923b1edac52"
                 ]
             ],
             "public_share": "0d8031b3e41fc4b2fe2a3f77de06db7fe0806225f5601afc6f1578ceb8a6d174c5149b0a3cb2046aef8f96793a0ac548f1f980e043c60626e9f31e3b00ac83699c9f98ab4988ffed0a6ad6b98f40c7e3ad9858ee70db74759123fcc6eebe7973c8a5500651955a50069b3afabe4dc527f86f939793cc954b805074d3d2e842b04388a258931111010ee45895998b15b0ac0b92318f237f345cc4ebe8d953bc2fde2311bd794dd29bb586a0207fc448431560ba27b5aa291b3ced36ba59f9e6e38dd684bd456c7ad2d2a748543a8489d874",
@@ -121,8 +121,8 @@
             ],
             "prep_shares": [
                 [
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043bf6ca3ba3979c6d9bd2dc88b276af5ea0c3412c092d0a88c8",
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043b0b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea54f6ca3ba3979c6d9bd2dc88b276af5ea0c3412c092d0a88c8",
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea540b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
                 ]
             ],
             "public_share": "0230118b55bf77ff34817d80025c5c736b2e06468c12c19b02abfeeaa474bb89aaf0676312c362381937b2713cf2d65c6b8392f0d3c4d16ea700e84d3745a519e3ffd22bf9633b4251de48e7f6ccc71ed81aba5f88363856a95bce328398aa96a3f9b0010cc6a5517be77b78ba8da87593044ec5e5e284b8a88f2d117cae42aa78680493364ef127cdb2ed8b4fffb823aa893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e14753a243389b5385b0b483ecf90081fe16ba7d27a4ce32f78b33475f4f1d9a72",
@@ -160,8 +160,8 @@
             ],
             "prep_shares": [
                 [
-                    "fd7c3249442a6e12ed48384ee1f59dace43a8b9964db905ff452d7a8855ec3ffa91e63323176f1622efb96b09fb55793a607ef1f0823a11d",
-                    "fd7c3249442a6e12ed48384ee1f59dace43a8b9964db905ff452d7a8855ec3ff58e19ccdcd890e9d84ade290a7fcdde4acfd2923b1edac52"
+                    "3a2e3e02e7352f32d3deac3419b245bc0b7cc79283a92899a7643827668228c6a91e63323176f1622efb96b09fb55793a607ef1f0823a11d",
+                    "3a2e3e02e7352f32d3deac3419b245bc0b7cc79283a92899a7643827668228c658e19ccdcd890e9d84ade290a7fcdde4acfd2923b1edac52"
                 ]
             ],
             "public_share": "018031b3e41fc4b2fe2a3f77de06db7fe06eb6ffd9b0e2083236efcc45c94d7ca7149b0a3cb2046aef8e96793a0ac548f1fa80e043c60626e9f31e3b00ac83699c9e98ab4988ffed0a6bd6b98f40c7e3ad9858ee70db74759162d5e495135c2e58052f8f3619889294d3511df162b3c0be0b6fbcfeaadbe99077fd406091d3855f6ef81fa1d1bf39ddcd8680d92c934c8d0b92318f237f345cc4ebe8d953bc2fde2311bd794dd29bb586a0207fc44843152e3510566e6a43d267e49614508cc7b3a94ad4359bb0a880fa1ec1dab03de6df",
@@ -199,8 +199,8 @@
             ],
             "prep_shares": [
                 [
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043bf6ca3ba3979c6d9b396f070035e68d6f81499f37f8908d3a",
-                    "33505f66002b1bb8447195f3f7dd2c4e15da35733327fc5f4caad72a5478043b0b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea54f6ca3ba3979c6d9b396f070035e68d6f81499f37f8908d3a",
+                    "4339163e05b4a6d6f7cbd8e6984e4efed2020e0f0fc794216f948a0df49fea540b35c45c6763926482c0cf23edfdebebacfd2923b1edac52"
                 ]
             ],
             "public_share": "0230118b55bf77ff34817d80025c5c736b2e06468c12c19b02abfeeaa474bb89aaf0676312c362381936b2713cf2d65c6b8392f0d3c4d16ea7ffe74d3745a519e3fed22bf9633b4251de48e7f6ccc71ed819ba5f88363856a95bce328398aa96a3f8b0010cc6a5517be77b78ba8da87593034ec5e5e284b8a88e2d117cae42aa78680493364ef127cdb1ed8b4fffb823aa893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e14753a243389b5385b0b483ecf90081fe16ba7d27a4ce32f78b33475f4f1d9a72",
diff --git a/src/vdaf/test_vec/mastic/04/MasticSum_1.json b/src/vdaf/test_vec/mastic/04/MasticSum_1.json
index e0ff9876..3ae27049 100644
--- a/src/vdaf/test_vec/mastic/04/MasticSum_1.json
+++ b/src/vdaf/test_vec/mastic/04/MasticSum_1.json
@@ -43,8 +43,8 @@
             ],
             "prep_shares": [
                 [
-                    "699d778956ddb878c0b59437eeaf1cce8717e66a3f5eb7cdab5016eaf2cff7523593aba0aca30305656cb97ec7c8309a21cc2ddce86f3bc5",
-                    "699d778956ddb878c0b59437eeaf1cce8717e66a3f5eb7cdab5016eaf2cff752cc6c545f525cfcfad6f2371630c5ec6e9159a71901dd8799"
+                    "ecbfeadedad9efae8ca098ed1e9a2c50392efdce83dd8061ae7a62cd7af3744a3593aba0aca30305656cb97ec7c8309a21cc2ddce86f3bc5",
+                    "ecbfeadedad9efae8ca098ed1e9a2c50392efdce83dd8061ae7a62cd7af3744acc6c545f525cfcfad6f2371630c5ec6e9159a71901dd8799"
                 ]
             ],
             "public_share": "0e30118b55bf77ff34817d80025c5c736b1ee2188425350e71cc1dc5a779de3e6ff0676312c362381937b2713cf2d65c6b8392f0d3c4d16ea700e84d3745a519e3ffd22bf9633b4251fd5e3a8400fe1b3f71da0726d672f55f6b6225aecfbb419c5dfa5a405f278e9f03a185e3eaa238ec893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e13432801b02eeda044017d8cc739b4f93ea6360a4887c1b1f4e688c4a6b02a111",
@@ -82,8 +82,8 @@
             ],
             "prep_shares": [
                 [
-                    "6bca6c6e6b84d813933a4ba34f60a484648d38ac68362285aa5ca78e964d1ad4919264b4f0098d7a4bdacbbf5ea5be09360ee658f6e3dba7",
-                    "6bca6c6e6b84d813933a4ba34f60a484648d38ac68362285aa5ca78e964d1ad4706d9b4b0ef6728528dca3e2721f838d9159a71901dd8799"
+                    "f26771567d92f5954712859e1c484f9b7516a60163660880b29e552b9c02fbe9919264b4f0098d7a4bdacbbf5ea5be09360ee658f6e3dba7",
+                    "f26771567d92f5954712859e1c484f9b7516a60163660880b29e552b9c02fbe9706d9b4b0ef6728528dca3e2721f838d9159a71901dd8799"
                 ]
             ],
             "public_share": "0d8031b3e41fc4b2fe2a3f77de06db7fe0806225f5601afc6f1578ceb8a6d174c5149b0a3cb2046aef8f96793a0ac548f1f980e043c60626e9f41e3b00ac83699c9e98ab4988ffed0a23fcc6eebe7973c8a5500651955a50069b3afabe4dc527f870939793cc954b804f74d3d2e842b0430b92318f237f345cc4ebe8d953bc2fde2311bd794dd29bb586a0207fc448431560ba27b5aa291b3ced36ba59f9e6e38dd684bd456c7ad2d2a748543a8489d874",
@@ -121,8 +121,8 @@
             ],
             "prep_shares": [
                 [
-                    "9a3f2a1d8b4659c523295c503be36f38dc623deecadfcede5be39cbf043e40e53593aba0aca303055af709c81309df8af569c44ac78e582d",
-                    "9a3f2a1d8b4659c523295c503be36f38dc623deecadfcede5be39cbf043e40e5cc6c545f525cfcfad6f2371630c5ec6e9159a71901dd8799"
+                    "a6f47f6aba15fe2196428d6c3345cbc4eaa6c6ba720ef3ff2cbf11ccc143e51d3593aba0aca303055af709c81309df8af569c44ac78e582d",
+                    "a6f47f6aba15fe2196428d6c3345cbc4eaa6c6ba720ef3ff2cbf11ccc143e51dcc6c545f525cfcfad6f2371630c5ec6e9159a71901dd8799"
                 ]
             ],
             "public_share": "0230118b55bf77ff34817d80025c5c736b2e06468c12c19b02abfeeaa474bb89aaf0676312c362381936b2713cf2d65c6b8292f0d3c4d16ea7ffe74d3745a519e3fed22bf9633b42515bce328398aa96a3f8b0010cc6a5517be67b78ba8da87593034ec5e5e284b8a88e2d117cae42aa78893f521233758b42d37212b7a0c5d64e450af652ace0e50986026a123de440e14753a243389b5385b0b483ecf90081fe16ba7d27a4ce32f78b33475f4f1d9a72",
@@ -160,8 +160,8 @@
             ],
             "prep_shares": [
                 [
-                    "dc4d182c463bf497c2c45c0de14ac2360268e6440fbe5871fc29b35bab9ba58f919264b4f0098d7ac7fd7791c5d25835a42c894f351115a8",
-                    "dc4d182c463bf497c2c45c0de14ac2360268e6440fbe5871fc29b35bab9ba58f706d9b4b0ef6728530954b3fa5c44e369159a71901dd8799"
+                    "81bbc0114d3ea7650415ce730cbab94959056bbea74603fbcaaac7a089f7e0c6919264b4f0098d7ac7fd7791c5d25835a42c894f351115a8",
+                    "81bbc0114d3ea7650415ce730cbab94959056bbea74603fbcaaac7a089f7e0c6706d9b4b0ef6728530954b3fa5c44e369159a71901dd8799"
                 ]
             ],
             "public_share": "018031b3e41fc4b2fe2a3f77de06db7fe06eb6ffd9b0e2083236efcc45c94d7ca7149b0a3cb2046aef8e96793a0ac548f1fa80e043c60626e9f31e3b00ac83699c9f98ab4988ffed0a62d5e495135c2e58052f8f3619889294d3511df162b3c0be0b6fbcfeaadbe99076fd406091d3855f0b92318f237f345cc4ebe8d953bc2fde2311bd794dd29bb586a0207fc44843152e3510566e6a43d267e49614508cc7b3a94ad4359bb0a880fa1ec1dab03de6df",
@@ -199,8 +199,8 @@
             ],
             "prep_shares": [
                 [
-                    "d98196b274eb9f107b04b86890704df32f833cc5933a9c6b7511202caf24acce919264b4f0098d7a4bdacbbf5ea5be09360ee658f6e3dba7",
-                    "d98196b274eb9f107b04b86890704df32f833cc5933a9c6b7511202caf24acce706d9b4b0ef6728528dca3e2721f838d9159a71901dd8799"
+                    "20d9b15daf90eb98fab12001c664d7f779da0f5d50d132ba6a43b1157f753e36919264b4f0098d7a4bdacbbf5ea5be09360ee658f6e3dba7",
+                    "20d9b15daf90eb98fab12001c664d7f779da0f5d50d132ba6a43b1157f753e36706d9b4b0ef6728528dca3e2721f838d9159a71901dd8799"
                 ]
             ],
             "public_share": "018031b3e41fc4b2fe2a3f77de06db7fe06eb6ffd9b0e2083236efcc45c94d7ca7149b0a3cb2046aef8f96793a0ac548f1f980e043c60626e9f41e3b00ac83699c9e98ab4988ffed0a62d5e495135c2e58042f8f3619889294d4511df162b3c0be0a6fbcfeaadbe99077fd406091d3855f0b92318f237f345cc4ebe8d953bc2fde2311bd794dd29bb586a0207fc44843152e3510566e6a43d267e49614508cc7b3a94ad4359bb0a880fa1ec1dab03de6df",