diff --git a/benchmarks/pr/664.json b/benchmarks/pr/664.json
index a1c584e..3dcaf23 100644
--- a/benchmarks/pr/664.json
+++ b/benchmarks/pr/664.json
@@ -1,5 +1,5 @@
 {
-  "lastUpdate": 1750861090588,
+  "lastUpdate": 1750867703403,
   "repoUrl": "https://github.com/rosenpass/rosenpass",
   "entries": {
     "Protocol Benchmarks": [
@@ -7026,6 +7026,884 @@
             "run time": "medium"
           }
         ]
+      },
+      {
+        "commit": {
+          "author": {
+            "name": "rosenpass",
+            "username": "rosenpass"
+          },
+          "committer": {
+            "name": "rosenpass",
+            "username": "rosenpass"
+          },
+          "id": "d72fa909b14292971eefe20ed620b2a36a77feea",
+          "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/d72fa909b14292971eefe20ed620b2a36a77feea"
+        },
+        "date": 1750867702194,
+        "bigger_is_better": false,
+        "benches": [
+          {
+            "name": "ICI7",
+            "unit": "ns/iter",
+            "value": "6836",
+            "range": "± 1242",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR1",
+            "unit": "ns/iter",
+            "value": "90",
+            "range": "± 36",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "RHI4",
+            "unit": "ns/iter",
+            "value": "22925",
+            "range": "± 1314",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR7",
+            "unit": "ns/iter",
+            "value": "529586",
+            "range": "± 6976",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR5",
+            "unit": "ns/iter",
+            "value": "1126634",
+            "range": "± 499034",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "IHI5",
+            "unit": "ns/iter",
+            "value": "566095",
+            "range": "± 13701",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI7",
+            "unit": "ns/iter",
+            "value": "8448",
+            "range": "± 1119",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI7",
+            "unit": "ns/iter",
+            "value": "529842",
+            "range": "± 12030",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "ICI3",
+            "unit": "ns/iter",
+            "value": "7873",
+            "range": "± 954",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR4",
+            "unit": "ns/iter",
+            "value": "26547",
+            "range": "± 2108",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI1",
+            "unit": "ns/iter",
+            "value": "524269",
+            "range": "± 12686",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR1",
+            "unit": "ns/iter",
+            "value": "1015595",
+            "range": "± 491977",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR7",
+            "unit": "ns/iter",
+            "value": "6539",
+            "range": "± 506",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI6",
+            "unit": "ns/iter",
+            "value": "532656",
+            "range": "± 6451",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI4",
+            "unit": "ns/iter",
+            "value": "8603",
+            "range": "± 276",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_hello",
+            "unit": "ns/iter",
+            "value": "695469",
+            "range": "± 7783",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "ICI4",
+            "unit": "ns/iter",
+            "value": "8312",
+            "range": "± 916",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI2",
+            "unit": "ns/iter",
+            "value": "165",
+            "range": "± 557",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "handle_init_conf",
+            "unit": "ns/iter",
+            "value": "1041382",
+            "range": "± 470867",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR3",
+            "unit": "ns/iter",
+            "value": "7698",
+            "range": "± 319",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR6",
+            "unit": "ns/iter",
+            "value": "193",
+            "range": "± 1170",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "RHR5",
+            "unit": "ns/iter",
+            "value": "566804",
+            "range": "± 16284",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "handle_initiation",
+            "unit": "ns/iter",
+            "value": "2183765",
+            "range": "± 37909",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI3",
+            "unit": "ns/iter",
+            "value": "10066",
+            "range": "± 1300",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR7",
+            "unit": "ns/iter",
+            "value": "8270",
+            "range": "± 159",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR3",
+            "unit": "ns/iter",
+            "value": "7683",
+            "range": "± 314",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR4",
+            "unit": "ns/iter",
+            "value": "8339",
+            "range": "± 620",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_conf",
+            "unit": "ns/iter",
+            "value": "526336",
+            "range": "± 4807",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI8",
+            "unit": "ns/iter",
+            "value": "8514",
+            "range": "± 1329",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR1",
+            "unit": "ns/iter",
+            "value": "1024208",
+            "range": "± 487601",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI5",
+            "unit": "ns/iter",
+            "value": "628083",
+            "range": "± 7658",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "IHR8",
+            "unit": "ns/iter",
+            "value": "8279",
+            "range": "± 50",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_init_hello",
+            "unit": "ns/iter",
+            "value": "3262176",
+            "range": "± 114651",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "RHR6",
+            "unit": "ns/iter",
+            "value": "1056258",
+            "range": "± 11873",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI6",
+            "unit": "ns/iter",
+            "value": "3932",
+            "range": "± 295",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR2",
+            "unit": "ns/iter",
+            "value": "9535",
+            "range": "± 7282",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI3",
+            "unit": "ns/iter",
+            "value": "8046",
+            "range": "± 1676",
+            "protocol version": "V02",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR6",
+            "unit": "ns/iter",
+            "value": "6878",
+            "range": "± 1932",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR4",
+            "unit": "ns/iter",
+            "value": "9911",
+            "range": "± 1322",
+            "protocol version": "V02",
+            "sample size": "200",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI7",
+            "unit": "ns/iter",
+            "value": "9318",
+            "range": "± 850",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI5",
+            "unit": "ns/iter",
+            "value": "1565571",
+            "range": "± 18283",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHI7",
+            "unit": "ns/iter",
+            "value": "1523195",
+            "range": "± 7865",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI4",
+            "unit": "ns/iter",
+            "value": "28073",
+            "range": "± 2791",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI8",
+            "unit": "ns/iter",
+            "value": "9348",
+            "range": "± 1007",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHI6",
+            "unit": "ns/iter",
+            "value": "4825",
+            "range": "± 779",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR7",
+            "unit": "ns/iter",
+            "value": "9435",
+            "range": "± 1476",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI1",
+            "unit": "ns/iter",
+            "value": "1521058",
+            "range": "± 16710",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR5",
+            "unit": "ns/iter",
+            "value": "1627250",
+            "range": "± 16930",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "RHR6",
+            "unit": "ns/iter",
+            "value": "3047303",
+            "range": "± 20517",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR4",
+            "unit": "ns/iter",
+            "value": "11255",
+            "range": "± 1210",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI3",
+            "unit": "ns/iter",
+            "value": "10923",
+            "range": "± 2204",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR5",
+            "unit": "ns/iter",
+            "value": "1564988",
+            "range": "± 20114",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR3",
+            "unit": "ns/iter",
+            "value": "8890",
+            "range": "± 1378",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR6",
+            "unit": "ns/iter",
+            "value": "40",
+            "range": "± 1",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "ICI7",
+            "unit": "ns/iter",
+            "value": "7603",
+            "range": "± 923",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_init_hello",
+            "unit": "ns/iter",
+            "value": "9350397",
+            "range": "± 35702",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "IHI2",
+            "unit": "ns/iter",
+            "value": "103",
+            "range": "± 46",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "IHR6",
+            "unit": "ns/iter",
+            "value": "9748",
+            "range": "± 1279",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_hello",
+            "unit": "ns/iter",
+            "value": "1693769",
+            "range": "± 13754",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "RHI3",
+            "unit": "ns/iter",
+            "value": "8872",
+            "range": "± 838",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICI4",
+            "unit": "ns/iter",
+            "value": "9186",
+            "range": "± 819",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR1",
+            "unit": "ns/iter",
+            "value": "1517550",
+            "range": "± 19456",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR1",
+            "unit": "ns/iter",
+            "value": "1505270",
+            "range": "± 8408",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "IHR7",
+            "unit": "ns/iter",
+            "value": "1524143",
+            "range": "± 12626",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHR4",
+            "unit": "ns/iter",
+            "value": "31311",
+            "range": "± 2245",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICI3",
+            "unit": "ns/iter",
+            "value": "8840",
+            "range": "± 1246",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHR8",
+            "unit": "ns/iter",
+            "value": "9392",
+            "range": "± 1343",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR2",
+            "unit": "ns/iter",
+            "value": "10414",
+            "range": "± 7865",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "ICR7",
+            "unit": "ns/iter",
+            "value": "7601",
+            "range": "± 1153",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "IHI4",
+            "unit": "ns/iter",
+            "value": "11650",
+            "range": "± 4185",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "RHR3",
+            "unit": "ns/iter",
+            "value": "8803",
+            "range": "± 1158",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_init_conf",
+            "unit": "ns/iter",
+            "value": "1555632",
+            "range": "± 25164",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "ICR4",
+            "unit": "ns/iter",
+            "value": "9254",
+            "range": "± 1085",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1ms"
+          },
+          {
+            "name": "handle_resp_conf",
+            "unit": "ns/iter",
+            "value": "1522021",
+            "range": "± 27057",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHR1",
+            "unit": "ns/iter",
+            "value": "212",
+            "range": "± 1017",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "below 1us"
+          },
+          {
+            "name": "IHI6",
+            "unit": "ns/iter",
+            "value": "1515385",
+            "range": "± 9034",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          },
+          {
+            "name": "RHI5",
+            "unit": "ns/iter",
+            "value": "1615995",
+            "range": "± 12379",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "long"
+          },
+          {
+            "name": "handle_initiation",
+            "unit": "ns/iter",
+            "value": "6160254",
+            "range": "± 41392",
+            "protocol version": "V03",
+            "sample size": "100",
+            "operating system": "linux",
+            "architecture": "x86_64",
+            "run time": "medium"
+          }
+        ]
       }
     ],
     "Crypto Primitives Benchmarks": [