From 645e2172c3c777f0d01014ebaf4adfdf849c1692 Mon Sep 17 00:00:00 2001
From: CPython Developers <>
Date: Sat, 14 Feb 2026 05:45:49 +0000
Subject: [PATCH 1/2] Update hmac from v3.14.3

---
 Lib/hmac.py           |  1 +
 Lib/test/test_hmac.py | 34 +++++++++++++++++++++-------------
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/Lib/hmac.py b/Lib/hmac.py
index 16022c9ceb5..2d6016cda11 100644
--- a/Lib/hmac.py
+++ b/Lib/hmac.py
@@ -159,6 +159,7 @@ def copy(self):
         # Call __new__ directly to avoid the expensive __init__.
         other = self.__class__.__new__(self.__class__)
         other.digest_size = self.digest_size
+        other.block_size = self.block_size
         if self._hmac:
             other._hmac = self._hmac.copy()
             other._inner = other._outer = None
diff --git a/Lib/test/test_hmac.py b/Lib/test/test_hmac.py
index d5023a6c1b3..3c91a1083a5 100644
--- a/Lib/test/test_hmac.py
+++ b/Lib/test/test_hmac.py
@@ -1066,6 +1066,14 @@ def test_hmac_digest_digestmod_parameter(self):
             ):
                 self.hmac_digest(b'key', b'msg', value)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute 'HMAC'. Did you mean: 'exc_type'?
+    def test_internal_types(self):
+        return super().test_internal_types()
+
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute 'hmac_digest'
+    def test_digest(self):
+        return super().test_digest()
+
     @unittest.expectedFailure  # TODO: RUSTPYTHON
     def test_constructor(self):
         return super().test_constructor()
@@ -1078,14 +1086,6 @@ def test_constructor_missing_digestmod(self):
     def test_constructor_unknown_digestmod(self):
         return super().test_constructor_unknown_digestmod()
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute 'HMAC'. Did you mean: 'exc_type'?
-    def test_internal_types(self):
-        return super().test_internal_types()
-
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute 'hmac_digest'
-    def test_digest(self):
-        return super().test_digest()
-
 
 class BuiltinConstructorTestCase(ThroughBuiltinAPIMixin,
                                  ExtensionConstructorTestCaseMixin,
@@ -1137,6 +1137,15 @@ def test_properties(self):
         self.assertEqual(h.digest_size, self.digest_size)
         self.assertEqual(h.block_size, self.block_size)
 
+    def test_copy(self):
+        # Test a generic copy() and the attributes it exposes.
+        # See https://github.com/python/cpython/issues/142451.
+        h1 = self.hmac_new(b"my secret key", digestmod=self.digestname)
+        h2 = h1.copy()
+        self.assertEqual(h1.name, h2.name)
+        self.assertEqual(h1.digest_size, h2.digest_size)
+        self.assertEqual(h1.block_size, h2.block_size)
+
     def test_repr(self):
         # HMAC object representation may differ across implementations
         raise NotImplementedError
@@ -1160,7 +1169,6 @@ def test_repr(self):
 
 
 @hashlib_helper.requires_openssl_hashdigest('sha256')
-@unittest.skip("TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute 'HMAC'")
 class OpenSSLSanityTestCase(ThroughOpenSSLAPIMixin, SanityTestCaseMixin,
                             unittest.TestCase):
 
@@ -1257,10 +1265,6 @@ def HMAC(self, key, msg=None):
     def gil_minsize(self):
         return _hashlib._GIL_MINSIZE
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON
-    def test_update(self):
-        return super().test_update()
-
     @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module '_hashlib' has no attribute '_GIL_MINSIZE'
     def test_update_large(self):
         return super().test_update_large()
@@ -1269,6 +1273,10 @@ def test_update_large(self):
     def test_update_exceptions(self):
         return super().test_update_exceptions()
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
+    def test_update(self):
+        return super().test_update()
+
 
 class BuiltinUpdateTestCase(BuiltinModuleMixin,
                             UpdateTestCaseMixin, unittest.TestCase):

From 2ef592f4b6f0da6a586309966930e1d266cc1434 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Sat, 14 Feb 2026 13:01:35 +0000
Subject: [PATCH 2/2] Auto-format: cargo fmt --all

---
 crates/stdlib/src/hashlib.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/crates/stdlib/src/hashlib.rs b/crates/stdlib/src/hashlib.rs
index 5a2a55b93a7..27e435725a1 100644
--- a/crates/stdlib/src/hashlib.rs
+++ b/crates/stdlib/src/hashlib.rs
@@ -701,9 +701,8 @@ pub mod _hashlib {
                 if len < 1 {
                     return Err(vm.new_value_error("key length must be greater than 0.".to_owned()));
                 }
-                usize::try_from(len).map_err(|_| {
-                    vm.new_overflow_error("key length is too great.".to_owned())
-                })?
+                usize::try_from(len)
+                    .map_err(|_| vm.new_overflow_error("key length is too great.".to_owned()))?
             }
             None => hash_digest_size(&name).ok_or_else(|| unsupported_hash(&name, vm))?,
         };