From 73dfa6d66232bb399d3862e3f79385b3323dac6a Mon Sep 17 00:00:00 2001
From: Alfie Fresta <alfie.fresta@gmail.com>
Date: Tue, 18 Feb 2025 22:52:48 +0000
Subject: [PATCH] Ref #71: Use upstreamed snow with P-256 support

---
 .gitmodules            |   3 -
 Cargo.lock             | 488 +----------------------------------------
 libwebauthn/Cargo.toml |   2 +-
 snow                   |   1 -
 4 files changed, 8 insertions(+), 486 deletions(-)
 delete mode 160000 snow

diff --git a/.gitmodules b/.gitmodules
index 72e74cb..78feb2a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,3 @@
 [submodule "ctap-types"]
 	path = ctap-types
 	url = https://github.com/AlfioEmanueleFresta/ctap-types.git
-[submodule "snow"]
-	path = snow
-	url = https://github.com/AlfioEmanueleFresta/snow.git
diff --git a/Cargo.lock b/Cargo.lock
index 1284029..eb244d0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,18 +61,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "anes"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
-
-[[package]]
-name = "anstyle"
-version = "1.0.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
-
 [[package]]
 name = "asn1-rs"
 version = "0.6.2"
@@ -138,7 +126,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi 0.1.19",
+ "hermit-abi",
  "libc",
  "winapi",
 ]
@@ -240,12 +228,6 @@ dependencies = [
  "hex 0.3.2",
 ]
 
-[[package]]
-name = "bumpalo"
-version = "3.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
-
 [[package]]
 name = "bytemuck"
 version = "1.21.0"
@@ -264,12 +246,6 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "325918d6fe32f23b19878fe4b34794ae41fc19ddbe53b10571a4874d44ffd39b"
 
-[[package]]
-name = "cast"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
-
 [[package]]
 name = "cbc"
 version = "0.1.2"
@@ -297,8 +273,6 @@ version = "1.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a012a0df96dd6d06ba9a1b29d6402d1a5d77c6befd2566afdc26e10603dc93d7"
 dependencies = [
- "jobserver",
- "libc",
  "shlex",
 ]
 
@@ -344,33 +318,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17cc5e6b5ab06331c33589842070416baa137e8b0eb912b008cfd4a78ada7919"
 
-[[package]]
-name = "ciborium"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
-dependencies = [
- "ciborium-io",
- "ciborium-ll",
- "serde",
-]
-
-[[package]]
-name = "ciborium-io"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
-
-[[package]]
-name = "ciborium-ll"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
-dependencies = [
- "ciborium-io",
- "half 2.4.1",
-]
-
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -382,31 +329,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "clap"
-version = "4.5.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3135e7ec2ef7b10c6ed8950f0f792ed96ee093fa088608f1c76e569722700c84"
-dependencies = [
- "clap_builder",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.5.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30582fc632330df2bd26877bde0c1f4470d57c582bbc070376afcd04d8cb4838"
-dependencies = [
- "anstyle",
- "clap_lex",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
-
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -455,67 +377,12 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "criterion"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
-dependencies = [
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot",
- "is-terminal",
- "itertools",
- "num-traits",
- "once_cell",
- "oorandom",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_derive",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
-[[package]]
-name = "criterion-plot"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
-dependencies = [
- "cast",
- "itertools",
-]
-
 [[package]]
 name = "critical-section"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
 
-[[package]]
-name = "crossbeam-deque"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils 0.8.21",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
-dependencies = [
- "crossbeam-utils 0.8.21",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -527,18 +394,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "crunchy"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
-
 [[package]]
 name = "crypto-bigint"
 version = "0.5.5"
@@ -558,7 +413,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
- "rand_core",
  "typenum",
 ]
 
@@ -721,12 +575,6 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1435fa1053d8b2fbbe9be7e97eca7f33d37b28409959813daefc1446a14247f1"
 
-[[package]]
-name = "dunce"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
-
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -738,19 +586,10 @@ dependencies = [
  "elliptic-curve",
  "rfc6979",
  "serdect",
- "signature 2.2.0",
+ "signature",
  "spki",
 ]
 
-[[package]]
-name = "ed25519"
-version = "1.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
-dependencies = [
- "signature 1.6.4",
-]
-
 [[package]]
 name = "either"
 version = "1.13.0"
@@ -977,12 +816,6 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
-[[package]]
-name = "glob"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
-
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -1000,16 +833,6 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b43ede17f21864e81be2fa654110bf1e793774238d86ef8555c37e6519c0403"
 
-[[package]]
-name = "half"
-version = "2.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dd08c532ae367adf81c312a4580bc67f1d0fe8bc9c460520283f4c0ff277888"
-dependencies = [
- "cfg-if 1.0.0",
- "crunchy",
-]
-
 [[package]]
 name = "hash32"
 version = "0.2.1"
@@ -1059,12 +882,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "hermit-abi"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
-
 [[package]]
 name = "hex"
 version = "0.3.2"
@@ -1313,17 +1130,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "310d743c23f798f10d5ba2f77fdd3eff06aaf2d8f8b9d78beba7fb1167f4ccbf"
 
-[[package]]
-name = "is-terminal"
-version = "0.4.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "261f68e344040fbd0edea105bef17c66edf46f984ddb1115b775ce31be948f4b"
-dependencies = [
- "hermit-abi 0.4.0",
- "libc",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "iso7816"
 version = "0.1.3"
@@ -1349,25 +1155,6 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
-[[package]]
-name = "jobserver"
-version = "0.1.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48d1dbcbbeb6a7fec7e059840aa538bd62aaccf972c7346c4d9d2059312853d0"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "js-sys"
-version = "0.3.76"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
-dependencies = [
- "once_cell",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -1389,18 +1176,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "libsodium-sys"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b779387cd56adfbc02ea4a668e704f729be8d6a6abd2c27ca5ee537849a92fd"
-dependencies = [
- "cc",
- "libc",
- "pkg-config",
- "walkdir",
-]
-
 [[package]]
 name = "litemap"
 version = "0.7.4"
@@ -1635,12 +1410,6 @@ version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
-[[package]]
-name = "oorandom"
-version = "11.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.1"
@@ -1758,34 +1527,6 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
-[[package]]
-name = "plotters"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aeb6f403d7a4911efb1e33402027fc44f29b5bf6def3effcc22d7bb75f2b747"
-dependencies = [
- "num-traits",
- "plotters-backend",
- "plotters-svg",
- "wasm-bindgen",
- "web-sys",
-]
-
-[[package]]
-name = "plotters-backend"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df42e13c12958a16b3f7f4386b9ab1f3e7933914ecea48da7139435263a4172a"
-
-[[package]]
-name = "plotters-svg"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51bae2ac328883f7acdfea3d66a7c35751187f870bc81f94563733a154d7a670"
-dependencies = [
- "plotters-backend",
-]
-
 [[package]]
 name = "poly1305"
 version = "0.8.0"
@@ -1824,37 +1565,6 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "pqcrypto-internals"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62cd8ebf02b43967cda06e6a3f54d0bd9659459c3003d16aeedd07b44c6db06c"
-dependencies = [
- "cc",
- "dunce",
- "getrandom",
- "libc",
-]
-
-[[package]]
-name = "pqcrypto-kyber"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15c00293cf898859d0c771455388054fd69ab712263c73fdc7f287a39b1ba000"
-dependencies = [
- "cc",
- "glob",
- "libc",
- "pqcrypto-internals",
- "pqcrypto-traits",
-]
-
-[[package]]
-name = "pqcrypto-traits"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94e851c7654eed9e68d7d27164c454961a616cf8c203d500607ef22c737b51bb"
-
 [[package]]
 name = "predicates"
 version = "2.1.5"
@@ -1968,26 +1678,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rayon"
-version = "1.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
-dependencies = [
- "either",
- "rayon-core",
-]
-
-[[package]]
-name = "rayon-core"
-version = "1.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
-dependencies = [
- "crossbeam-deque",
- "crossbeam-utils 0.8.21",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.5.8"
@@ -2133,21 +1823,6 @@ dependencies = [
  "untrusted",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
-
-[[package]]
-name = "same-file"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "schannel"
 version = "0.1.27"
@@ -2252,7 +1927,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2bef2ebfde456fb76bbcf9f59315333decc4fda0b2b44b420243c11e0f5ec1f5"
 dependencies = [
- "half 1.8.3",
+ "half",
  "serde",
 ]
 
@@ -2267,18 +1942,6 @@ dependencies = [
  "syn 2.0.95",
 ]
 
-[[package]]
-name = "serde_json"
-version = "1.0.134"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d00f4175c42ee48b15416f6193a959ba3a0d67fc699a0db9ad12df9f83991c7d"
-dependencies = [
- "itoa",
- "memchr",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "serde_repr"
 version = "0.1.19"
@@ -2355,12 +2018,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "signature"
-version = "1.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
-
 [[package]]
 name = "signature"
 version = "2.2.0"
@@ -2388,30 +2045,21 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "snow"
-version = "0.9.0"
+version = "0.10.0-alpha.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e55510cf1cf5094776adcdc1141531281f3a7e3f4840c02f0495b489b766f7aa"
 dependencies = [
  "aes-gcm",
  "blake2",
  "byteorder",
  "chacha20poly1305",
- "criterion",
  "curve25519-dalek",
- "hex 0.4.3",
- "lazy_static",
  "p256",
- "pqcrypto-kyber",
- "pqcrypto-traits",
- "rand",
  "rand_core",
  "ring",
  "rustc_version",
- "serde",
- "serde_derive",
- "serde_json",
  "sha2",
- "sodiumoxide",
  "subtle",
- "x25519-dalek",
 ]
 
 [[package]]
@@ -2424,18 +2072,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "sodiumoxide"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e26be3acb6c2d9a7aac28482586a7856436af4cfe7100031d219de2d2ecb0028"
-dependencies = [
- "ed25519",
- "libc",
- "libsodium-sys",
- "serde",
-]
-
 [[package]]
 name = "solo"
 version = "0.1.0"
@@ -2601,16 +2237,6 @@ dependencies = [
  "zerovec",
 ]
 
-[[package]]
-name = "tinytemplate"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
-dependencies = [
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "tokio"
 version = "1.42.0"
@@ -2635,7 +2261,7 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures 0.1.31",
 ]
 
@@ -2874,86 +2500,12 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
-[[package]]
-name = "walkdir"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
-dependencies = [
- "same-file",
- "winapi-util",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
-[[package]]
-name = "wasm-bindgen"
-version = "0.2.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
-dependencies = [
- "cfg-if 1.0.0",
- "once_cell",
- "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
-dependencies = [
- "bumpalo",
- "log",
- "proc-macro2",
- "quote",
- "syn 2.0.95",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.95",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
-
-[[package]]
-name = "web-sys"
-version = "0.3.76"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04dd7223427d52553d3702c004d3b2fe07c148165faa56313cb00211e31c12bc"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -3154,18 +2706,6 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
 
-[[package]]
-name = "x25519-dalek"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
-dependencies = [
- "curve25519-dalek",
- "rand_core",
- "serde",
- "zeroize",
-]
-
 [[package]]
 name = "x509-parser"
 version = "0.16.0"
@@ -3304,20 +2844,6 @@ name = "zeroize"
 version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.95",
-]
 
 [[package]]
 name = "zerovec"
diff --git a/libwebauthn/Cargo.toml b/libwebauthn/Cargo.toml
index 2568f3c..5727ef8 100644
--- a/libwebauthn/Cargo.toml
+++ b/libwebauthn/Cargo.toml
@@ -61,7 +61,7 @@ tokio-tungstenite = { version = "0.20.1", features = [
     "rustls-tls-native-roots",
 ] }
 tokio-stream = "0.1.4"
-snow = { path = "../snow", features = ["p256"] }
+snow = { version = "0.10.0-alpha.1", features = ["use-p256"] }
 
 [dev-dependencies]
 tracing-subscriber = { version = "0.3.3", features = ["env-filter"] }
diff --git a/snow b/snow
deleted file mode 160000
index 30c5166..0000000
--- a/snow
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 30c51668b96b53e0956882d0ee51669f1b7da1c2