prepare for 45.0.4 release

.github/workflows/ci.yml

@@ -166,20 +166,71 @@ jobs:
           - {IMAGE: "ubuntu-noble", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "ubuntu-rolling", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "fedora", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
-          - {IMAGE: "alpine", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "centos-stream9", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "centos-stream9-fips", NOXSESSION: "tests", RUNNER: "ubuntu-latest", FIPS: true}
           - {IMAGE: "centos-stream10", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
           - {IMAGE: "centos-stream10-fips", NOXSESSION: "tests", RUNNER: "ubuntu-latest", FIPS: true}
 
           - {IMAGE: "ubuntu-rolling:aarch64", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
-          - {IMAGE: "alpine:aarch64", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
 
           - {IMAGE: "ubuntu-rolling:armv7l", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
     timeout-minutes: 15
     env:
       RUSTUP_HOME: /root/.rustup
     steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        timeout-minutes: 3
+        with:
+          persist-credentials: false
+      - name: Cache rust and pip
+        uses: ./.github/actions/cache
+        timeout-minutes: 2
+        with:
+          key: ${{ matrix.IMAGE.IMAGE }}
+      - name: Clone test vectors
+        timeout-minutes: 2
+        uses: ./.github/actions/fetch-vectors
+      # When run in a docker container the home directory doesn't have the same owner as the
+      # apparent user so pip refuses to create a cache dir
+      - name: create pip cache dir
+        run: mkdir -p "${HOME}/.cache/pip"
+      - run: |
+          echo "OPENSSL_FORCE_FIPS_MODE=1" >> $GITHUB_ENV
+        if: matrix.IMAGE.FIPS
+      - run: /venv/bin/python -m pip install -c ci-constraints-requirements.txt 'nox[uv]' 'tomli; python_version < "3.11"'
+      - run: '/venv/bin/nox -v --install-only'
+        env:
+          # OPENSSL_ENABLE_SHA1_SIGNATURES is for CentOS 9 Stream
+          OPENSSL_ENABLE_SHA1_SIGNATURES: 1
+          NOXSESSION: ${{ matrix.IMAGE.NOXSESSION }}
+      - run: '/venv/bin/nox --no-install --  --color=yes --wycheproof-root="wycheproof" --x509-limbo-root="x509-limbo"'
+        env:
+          COLUMNS: 80
+          # OPENSSL_ENABLE_SHA1_SIGNATURES is for CentOS 9 Stream
+          OPENSSL_ENABLE_SHA1_SIGNATURES: 1
+          NOXSESSION: ${{ matrix.IMAGE.NOXSESSION }}
+      - uses: ./.github/actions/upload-coverage
+
+  alpine:
+    runs-on: ${{ matrix.IMAGE.RUNNER }}
+    container:
+      image: ghcr.io/pyca/cryptography-runner-${{ matrix.IMAGE.IMAGE }}
+      volumes:
+        - /staticnodehost:/staticnodecontainer:rw,rshared
+        - /staticnodehost:/__e/node20:ro,rshared
+    strategy:
+      fail-fast: false
+      matrix:
+        IMAGE:
+          - {IMAGE: "alpine", NOXSESSION: "tests", RUNNER: "ubuntu-latest"}
+          - {IMAGE: "alpine:aarch64", NOXSESSION: "tests", RUNNER: "ubuntu-24.04-arm"}
+    timeout-minutes: 15
+    env:
+      RUSTUP_HOME: /root/.rustup
+    steps:
+      - name: Ridiculous-er workaround for static node20
+        run: |
+          cp -R /staticnode/* /staticnodecontainer/
       - name: Ridiculous alpine workaround for actions support on arm64
         run: |
           # This modifies /etc/os-release so the JS actions
@@ -414,7 +465,7 @@ jobs:
   all-green:
     # https://github.community/t/is-it-possible-to-require-all-github-actions-tasks-to-pass-without-enumerating-them/117957/4?u=graingert
     runs-on: ubuntu-latest
-    needs: [linux, distros, macos, windows, linux-downstream]
+    needs: [linux, alpine, distros, macos, windows, linux-downstream]
     if: ${{ always() }}
     timeout-minutes: 3
     steps:

CHANGELOG.rst

@@ -1,6 +1,14 @@
 Changelog
 =========
 
+.. _v45-0-4:
+
+45.0.4 - 2025-06-09
+~~~~~~~~~~~~~~~~~~~
+
+* Fixed decrypting PKCS#8 files encrypted with SHA1-RC4. (This is not
+  considered secure, and is supported only for backwards compatibility.)
+
 .. _v45-0-3:
 
 45.0.3 - 2025-05-25

docs/development/test-vectors.rst

@@ -67,6 +67,8 @@ Asymmetric ciphers
 * ``asymmetric/PKCS8/rsa-rc2-cbc-effective-key-length.pem`` a PKCS8 encoded key
   encrypted with ``RC2-CBC`` with the ``effectiveKeyLength`` parameter set to
   258. This is an invalid key.
+* ``asymmetric/PKCS8/enc-ec-sha1-128-rc4.pem`` a PKCS8 encoded ECDSA P-256 key
+  encrypted with ``pbeWithSHA1And128BitRC4``. The password is ``password``.
 
 
 Custom asymmetric vectors

pyproject.toml

@@ -15,7 +15,7 @@ build-backend = "maturin"
 
 [project]
 name = "cryptography"
-version = "45.0.3"
+version = "45.0.4"
 authors = [
     { name = "The Python Cryptographic Authority and individual contributors", email = "[email protected]" },
 ]
@@ -65,7 +65,7 @@ ssh = ["bcrypt >=3.1.5"]
 # All the following are used for our own testing.
 nox = ["nox >=2024.04.15", "nox[uv] >=2024.03.02; python_version >= '3.8'"]
 test = [
-    "cryptography_vectors==45.0.3",
+    "cryptography_vectors==45.0.4",
     "pytest >=7.4.0",
     "pytest-benchmark >=4.0",
     "pytest-cov >=2.10.1",

src/cryptography/__about__.py

@@ -10,7 +10,7 @@
     "__version__",
 ]
 
-__version__ = "45.0.3"
+__version__ = "45.0.4"
 
 
 __author__ = "The Python Cryptographic Authority and individual contributors"

src/rust/cryptography-key-parsing/Cargo.toml

@@ -16,4 +16,4 @@ cryptography-crypto = { path = "../cryptography-crypto" }
 cryptography-x509 = { path = "../cryptography-x509" }
 
 [lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CRYPTOGRAPHY_IS_LIBRESSL)', 'cfg(CRYPTOGRAPHY_IS_BORINGSSL)', 'cfg(CRYPTOGRAPHY_OSSLCONF, values("OPENSSL_NO_RC2"))', 'cfg(CRYPTOGRAPHY_IS_AWSLC)'] }
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CRYPTOGRAPHY_IS_LIBRESSL)', 'cfg(CRYPTOGRAPHY_IS_BORINGSSL)', 'cfg(CRYPTOGRAPHY_OSSLCONF, values("OPENSSL_NO_RC2", "OPENSSL_NO_RC4"))', 'cfg(CRYPTOGRAPHY_IS_AWSLC)'] }

src/rust/cryptography-key-parsing/src/pkcs8.rs

@@ -213,6 +213,14 @@ pub fn parse_encrypted_private_key(
             openssl::hash::MessageDigest::sha1(),
             &params,
         )?,
+        #[cfg(not(CRYPTOGRAPHY_OSSLCONF = "OPENSSL_NO_RC4"))]
+        AlgorithmParameters::PbeWithShaAnd128BitRc4(params) => pkcs12_pbe_decrypt(
+            epki.encrypted_data,
+            password,
+            openssl::symm::Cipher::rc4(),
+            openssl::hash::MessageDigest::sha1(),
+            &params,
+        )?,
         AlgorithmParameters::Pbes2(params) => {
             let (cipher, iv) = match params.encryption_scheme.params {
                 AlgorithmParameters::DesEde3Cbc(ref iv) => {

src/rust/cryptography-x509/src/common.rs

@@ -167,6 +167,8 @@ pub enum AlgorithmParameters<'a> {
 
     #[defined_by(oid::PBE_WITH_MD5_AND_DES_CBC)]
     PbeWithMd5AndDesCbc(PbeParams),
+    #[defined_by(oid::PBE_WITH_SHA_AND_128_BIT_RC4)]
+    PbeWithShaAnd128BitRc4(Pkcs12PbeParams<'a>),
     #[defined_by(oid::PBE_WITH_SHA_AND_3KEY_TRIPLEDES_CBC)]
     PbeWithShaAnd3KeyTripleDesCbc(Pkcs12PbeParams<'a>),
     #[defined_by(oid::PBE_WITH_SHA_AND_40_BIT_RC2_CBC)]

src/rust/cryptography-x509/src/oid.rs

@@ -155,6 +155,8 @@ pub const PBKDF2_OID: asn1::ObjectIdentifier = asn1::oid!(1, 2, 840, 113549, 1,
 pub const PBE_WITH_MD5_AND_DES_CBC: asn1::ObjectIdentifier = asn1::oid!(1, 2, 840, 113549, 1, 5, 3);
 pub const SCRYPT_OID: asn1::ObjectIdentifier = asn1::oid!(1, 3, 6, 1, 4, 1, 11591, 4, 11);
 
+pub const PBE_WITH_SHA_AND_128_BIT_RC4: asn1::ObjectIdentifier =
+    asn1::oid!(1, 2, 840, 113549, 1, 12, 1, 1);
 pub const PBE_WITH_SHA_AND_3KEY_TRIPLEDES_CBC: asn1::ObjectIdentifier =
     asn1::oid!(1, 2, 840, 113549, 1, 12, 1, 3);
 pub const PBE_WITH_SHA_AND_40_BIT_RC2_CBC: asn1::ObjectIdentifier =

tests/hazmat/primitives/test_serialization.py

@@ -11,7 +11,7 @@
 import pytest
 
 from cryptography.hazmat.bindings._rust import openssl as rust_openssl
-from cryptography.hazmat.decrepit.ciphers.algorithms import _DES, RC2
+from cryptography.hazmat.decrepit.ciphers.algorithms import _DES, ARC4, RC2
 from cryptography.hazmat.primitives.asymmetric import (
     dsa,
     ec,
@@ -552,6 +552,21 @@ def test_load_pkcs8_rc2_cbc_effective_key_length(self):
         with pytest.raises(ValueError):
             load_pem_private_key(data, password=b"password")
 
+    @pytest.mark.supported(
+        only_if=lambda backend: backend.cipher_supported(
+            ARC4(b"\x00" * 16), None
+        ),
+        skip_message="Does not support RC4",
+    )
+    def test_load_pkcs8_rc4_sha1_128bit(self):
+        key = load_vectors_from_file(
+            os.path.join("asymmetric", "PKCS8", "enc-ec-sha1-128-rc4.pem"),
+            lambda f: load_pem_private_key(f.read(), password=b"password"),
+            mode="rb",
+        )
+        assert isinstance(key, ec.EllipticCurvePrivateKey)
+        assert isinstance(key.curve, ec.SECP256R1)
+
     def test_load_pkcs8_aes_192_cbc(self):
         key = load_vectors_from_file(
             os.path.join("asymmetric", "PKCS8", "rsa-aes-192-cbc.pem"),

vectors/cryptography_vectors/__about__.py

@@ -6,4 +6,4 @@
     "__version__",
 ]
 
-__version__ = "45.0.3"
+__version__ = "45.0.4"

vectors/cryptography_vectors/asymmetric/PKCS8/enc-ec-sha1-128-rc4.pem

@@ -0,0 +1,6 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIGrMBwGCiqGSIb3DQEMAQEwDgQIprjt98myskECAggABIGKdJJyNgMqiLL0EWI3
+ZVto6g9msWT2ovpySiGxZyoUDfFrqfBuHY4IqwL/PYr9La1u/F/VuP5DRLf47YWp
+iwfxc6sYedBU85f0c14Ha2Yc6hUEakCbQEzCqEg8RmJ2oDETbTO9STlMyk9ou8XV
+7hdRkBqKNj3RIdgf01Aj5t8YmYsrKTx9VUDBpij0
+-----END ENCRYPTED PRIVATE KEY-----

vectors/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "cryptography_vectors"
-version = "45.0.3"
+version = "45.0.4"
 authors = [
     {name = "The Python Cryptographic Authority and individual contributors", email = "[email protected]"}
 ]