From b5ab9a8902af3aaabb951e726e754895c95e22d4 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Fri, 27 Feb 2026 08:23:28 -0700
Subject: [PATCH] universal-hash: replace `subtle` with `ctutils`

See #2275
---
 Cargo.lock                | 2 +-
 universal-hash/Cargo.toml | 2 +-
 universal-hash/src/lib.rs | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 103c1337b..9c8e7871f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -736,7 +736,7 @@ name = "universal-hash"
 version = "0.6.0"
 dependencies = [
  "crypto-common",
- "subtle",
+ "ctutils",
 ]
 
 [[package]]
diff --git a/universal-hash/Cargo.toml b/universal-hash/Cargo.toml
index ccf7c1e1e..f04729ed0 100644
--- a/universal-hash/Cargo.toml
+++ b/universal-hash/Cargo.toml
@@ -13,8 +13,8 @@ categories = ["cryptography", "no-std"]
 description = "Traits which describe the functionality of universal hash functions (UHFs)"
 
 [dependencies]
+ctutils = "0.4"
 common = { version = "0.2", package = "crypto-common" }
-subtle = { version = "2.4", default-features = false }
 
 [lints]
 workspace = true
diff --git a/universal-hash/src/lib.rs b/universal-hash/src/lib.rs
index 5de418770..02c27b053 100644
--- a/universal-hash/src/lib.rs
+++ b/universal-hash/src/lib.rs
@@ -18,7 +18,7 @@ use common::{
     array::{Array, ArraySize},
 };
 use core::slice;
-use subtle::ConstantTimeEq;
+use ctutils::CtEq;
 use typenum::Unsigned;
 
 /// Trait implemented by UHF backends.