RustPython
diff --git a/‎Cargo.lock
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+7-7Lines changed: 7 additions & 7 deletions b/‎Cargo.lock
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+7-7Lines changed: 7 additions & 7 deletions
diff --git a/‎common/Cargo.toml
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diff --git a/‎common/src/cmp.rs
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-48Lines changed: 0 additions & 48 deletions b/‎common/src/cmp.rs
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diff --git a/‎common/src/lib.rs
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diff --git a/‎vm/Cargo.toml
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diff --git a/‎vm/src/stdlib/operator.rs
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+3-5Lines changed: 3 additions & 5 deletions b/‎vm/src/stdlib/operator.rs
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+3-5Lines changed: 3 additions & 5 deletions
@@ -34,7 +34,6 @@ unicode_names2 = { workspace = true }
 lock_api = "0.4"
 radium = "0.7"
 siphasher = "1"
-volatile = "0.3"
 
 [target.'cfg(windows)'.dependencies]
 widestring = { workspace = true }
 
@@ -10,7 +10,6 @@ pub mod atomic;
 pub mod borrow;
 pub mod boxvec;
 pub mod cformat;
-pub mod cmp;
 #[cfg(any(unix, windows, target_os = "wasi"))]
 pub mod crt_fd;
 pub mod encodings;
 
@@ -51,6 +51,7 @@ bstr = { workspace = true }
 cfg-if = { workspace = true }
 crossbeam-utils = { workspace = true }
 chrono = { workspace = true, features = ["wasmbind"] }
+constant_time_eq = { workspace = true }
 flame = { workspace = true, optional = true }
 getrandom = { workspace = true }
 hex = { workspace = true }
 
@@ -2,7 +2,6 @@ pub(crate) use _operator::make_module;
 
 #[pymodule]
 mod _operator {
-    use crate::common::cmp;
     use crate::{
         AsObject, Py, PyObjectRef, PyPayload, PyRef, PyResult, VirtualMachine,
         builtins::{PyInt, PyIntRef, PyStr, PyStrRef, PyTupleRef, PyTypeRef},
@@ -13,6 +12,7 @@ mod _operator {
         recursion::ReprGuard,
         types::{Callable, Constructor, PyComparisonOp, Representable},
     };
+    use constant_time_eq::constant_time_eq;
 
     #[pyfunction]
     fn lt(a: PyObjectRef, b: PyObjectRef, vm: &VirtualMachine) -> PyResult {
@@ -328,11 +328,9 @@ mod _operator {
                         "comparing strings with non-ASCII characters is not supported".to_owned(),
                     ));
                 }
-                cmp::timing_safe_cmp(a.as_bytes(), b.as_bytes())
-            }
-            (Either::B(a), Either::B(b)) => {
-                a.with_ref(|a| b.with_ref(|b| cmp::timing_safe_cmp(a, b)))
+                constant_time_eq(a.as_bytes(), b.as_bytes())
             }
+            (Either::B(a), Either::B(b)) => a.with_ref(|a| b.with_ref(|b| constant_time_eq(a, b))),
             _ => {
                 return Err(vm.new_type_error(
                     "unsupported operand types(s) or combination of types".to_owned(),