Classifier: Development Status :: 5 - Production/Stable
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Topic :: Security :: Cryptography
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Typing :: Typed
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Description-Content-Type: text/markdown
# Service Identity Verification for pyOpenSSL & *cryptography*
Use this package if:
- you want to **verify** that a [PyCA *cryptography*](https://cryptography.io/) certificate is valid for a certain hostname or IP address,
- or if you use [pyOpenSSL](https://pypi.org/project/pyOpenSSL/) and don’t want to be [**MITM**](https://en.wikipedia.org/wiki/Man-in-the-middle_attack)ed,
- or if you want to **inspect** certificates from either for service IDs.
*service-identity* aspires to give you all the tools you need for verifying whether a certificate is valid for the intended purposes.
In the simplest case, this means *host name verification*.
However, *service-identity* implements [RFC 6125](https://datatracker.ietf.org/doc/html/rfc6125.html) fully.
Also check out [*pem*](https://github.com/hynek/pem) that makes loading certificates from all kinds of PEM-encoded files a breeze!
## Project Information
*service-identity* is released under the [MIT](https://github.com/pyca/service-identity/blob/main/LICENSE) license, its documentation lives at [Read the Docs](https://service-identity.readthedocs.io/), the code on [GitHub](https://github.com/pyca/service-identity), and the latest release on [PyPI](https://pypi.org/project/service-identity/).
### Credits
*service-identity* is written and maintained by [Hynek Schlawack](https://hynek.me/).
The development is kindly supported by my employer [Variomedia AG](https://www.variomedia.de/), *service-identity*'s [Tidelift subscribers](https://tidelift.com/lifter/search/pypi/service-identity), and all my amazing [GitHub Sponsors](https://github.com/sponsors/hynek).
### *service-identity* for Enterprise
Available as part of the [Tidelift Subscription](https://tidelift.com/?utm_source=lifter&utm_medium=referral&utm_campaign=hynek).
The maintainers of *service-identity* and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open-source packages you use to build your applications.
Save time, reduce risk, and improve code health, while paying the maintainers of the exact packages you use.
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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