diff --git a/benchmarks/pr/664.json b/benchmarks/pr/664.json
index d99f171..cd98dfd 100644
--- a/benchmarks/pr/664.json
+++ b/benchmarks/pr/664.json
@@ -1,5 +1,5 @@
 {
-  "lastUpdate": 1750859709529,
+  "lastUpdate": 1750860181839,
   "repoUrl": "https://github.com/rosenpass/rosenpass",
   "entries": {
     "Protocol Benchmarks": [
@@ -6148,6 +6148,884 @@
             "run time": "below 1ms"
           }
         ]
+      },
+      {
+        "commit": {
+          "author": {
+            "name": "rosenpass",
+            "username": "rosenpass"
+          },
+          "committer": {
+            "name": "rosenpass",
+            "username": "rosenpass"
+          },
+          "id": "c9562fd172ad7d2c749077dbff17635f8bff950d",
+          "message": "Specify WireGuard OSK as a protocol extension & allow for custom OSK domain separators",
+          "timestamp": "2025-06-24T12:50:57Z",
+          "url": "https://github.com/rosenpass/rosenpass/pull/664/commits/c9562fd172ad7d2c749077dbff17635f8bff950d"
+        },
+        "date": 1750860180996,
+        "bigger_is_better": false,
+        "benches": [
+          {
+            "name": "handle_initiation",
+            "unit": "ns/iter",
+            "value": "5128888",
+            "range": "± 92091",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI2",
+            "unit": "ns/iter",
+            "value": "258",
+            "range": "± 1023",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1us"
+          },
+          {
+            "name": "IHI3",
+            "unit": "ns/iter",
+            "value": "77546",
+            "range": "± 7677",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI5",
+            "unit": "ns/iter",
+            "value": "1576850",
+            "range": "± 59612",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
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+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
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+            "sample size": "100",
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+            "architecture": "x86",
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+            "sample size": "100",
+            "operating system": "linux",
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+            "run time": "below 1ms"
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+            "value": "51",
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+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1us"
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+          {
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+            "value": "604",
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+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
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+            "unit": "ns/iter",
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+            "range": "± 2962",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR6",
+            "unit": "ns/iter",
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+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_conf",
+            "unit": "ns/iter",
+            "value": "1130074",
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+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI4",
+            "unit": "ns/iter",
+            "value": "122192",
+            "range": "± 3012",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR4",
+            "unit": "ns/iter",
+            "value": "18542",
+            "range": "± 3028",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR7",
+            "unit": "ns/iter",
+            "value": "14280",
+            "range": "± 799",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "name": "ICI3",
+            "unit": "ns/iter",
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+            "range": "± 915",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI5",
+            "unit": "ns/iter",
+            "value": "86825363",
+            "range": "± 389174",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "ICR1",
+            "unit": "ns/iter",
+            "value": "1987461",
+            "range": "± 855407",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "handle_resp_hello",
+            "unit": "ns/iter",
+            "value": "87028644",
+            "range": "± 389461",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "IHR7",
+            "unit": "ns/iter",
+            "value": "1135444",
+            "range": "± 4290",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI8",
+            "unit": "ns/iter",
+            "value": "14074",
+            "range": "± 540",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR4",
+            "unit": "ns/iter",
+            "value": "124158",
+            "range": "± 3170",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "name": "RHR5",
+            "unit": "ns/iter",
+            "value": "1553392",
+            "range": "± 25908",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR1",
+            "unit": "ns/iter",
+            "value": "1970358",
+            "range": "± 844529",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI6",
+            "unit": "ns/iter",
+            "value": "7170",
+            "range": "± 111",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR3",
+            "unit": "ns/iter",
+            "value": "14081",
+            "range": "± 821",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI3",
+            "unit": "ns/iter",
+            "value": "14229",
+            "range": "± 1045",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICI4",
+            "unit": "ns/iter",
+            "value": "14203",
+            "range": "± 851",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_init_hello",
+            "unit": "ns/iter",
+            "value": "92256761",
+            "range": "± 977524",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "IHI7",
+            "unit": "ns/iter",
+            "value": "1141196",
+            "range": "± 10463",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "handle_init_conf",
+            "unit": "ns/iter",
+            "value": "2017409",
+            "range": "± 826518",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI1",
+            "unit": "ns/iter",
+            "value": "1140075",
+            "range": "± 13593",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHR6",
+            "unit": "ns/iter",
+            "value": "2265563",
+            "range": "± 16286",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI7",
+            "unit": "ns/iter",
+            "value": "15640",
+            "range": "± 1073",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR5",
+            "unit": "ns/iter",
+            "value": "87691221",
+            "range": "± 968723",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "ICR4",
+            "unit": "ns/iter",
+            "value": "14152",
+            "range": "± 1353",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR6",
+            "unit": "ns/iter",
+            "value": "5668871",
+            "range": "± 254694",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "handle_initiation",
+            "unit": "ns/iter",
+            "value": "11831867",
+            "range": "± 64641",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR4",
+            "unit": "ns/iter",
+            "value": "15971",
+            "range": "± 1607",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR7",
+            "unit": "ns/iter",
+            "value": "16708",
+            "range": "± 7464",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI6",
+            "unit": "ns/iter",
+            "value": "2827011",
+            "range": "± 18166",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR3",
+            "unit": "ns/iter",
+            "value": "16038",
+            "range": "± 1038",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR7",
+            "unit": "ns/iter",
+            "value": "2824856",
+            "range": "± 53881",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHR1",
+            "unit": "ns/iter",
+            "value": "457",
+            "range": "± 151",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1us"
+          },
+          {
+            "name": "IHI4",
+            "unit": "ns/iter",
+            "value": "20950",
+            "range": "± 3283",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_init_hello",
+            "unit": "ns/iter",
+            "value": "103319858",
+            "range": "± 475117",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "handle_resp_hello",
+            "unit": "ns/iter",
+            "value": "88773219",
+            "range": "± 388343",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "ICI7",
+            "unit": "ns/iter",
+            "value": "14804",
+            "range": "± 1697",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR1",
+            "unit": "ns/iter",
+            "value": "2827318",
+            "range": "± 23542",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI3",
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+            "range": "± 2957",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "unit": "ns/iter",
+            "value": "16019",
+            "range": "± 1340",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR3",
+            "unit": "ns/iter",
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI2",
+            "unit": "ns/iter",
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1us"
+          },
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
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+            "name": "IHR8",
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
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+            "unit": "ns/iter",
+            "value": "88545276",
+            "range": "± 276861",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1us"
+          },
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+            "name": "IHI7",
+            "unit": "ns/iter",
+            "value": "2819874",
+            "range": "± 8244",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
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+            "value": "3249506",
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
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+          {
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+            "value": "8872",
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+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
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+            "value": "17312",
+            "range": "± 1288",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICI3",
+            "unit": "ns/iter",
+            "value": "16011",
+            "range": "± 1050",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_conf",
+            "unit": "ns/iter",
+            "value": "2811939",
+            "range": "± 5566",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI1",
+            "unit": "ns/iter",
+            "value": "2814675",
+            "range": "± 29486",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI4",
+            "unit": "ns/iter",
+            "value": "129882",
+            "range": "± 2901",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI5",
+            "unit": "ns/iter",
+            "value": "3251403",
+            "range": "± 37501",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "handle_init_conf",
+            "unit": "ns/iter",
+            "value": "2893560",
+            "range": "± 31294",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          },
+          {
+            "name": "RHR4",
+            "unit": "ns/iter",
+            "value": "132154",
+            "range": "± 5175",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI8",
+            "unit": "ns/iter",
+            "value": "16080",
+            "range": "± 1651",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI5",
+            "unit": "ns/iter",
+            "value": "88552294",
+            "range": "± 388164",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "long"
+          },
+          {
+            "name": "ICR7",
+            "unit": "ns/iter",
+            "value": "14163",
+            "range": "± 2053",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR6",
+            "unit": "ns/iter",
+            "value": "18185",
+            "range": "± 1881",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR1",
+            "unit": "ns/iter",
+            "value": "2808958",
+            "range": "± 8652",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86",
+            "run time": "medium"
+          }
+        ]
       }
     ],
     "Crypto Primitives Benchmarks": [