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Diffstat (limited to 'docs/contributing.rst')
| -rw-r--r-- | docs/contributing.rst | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/contributing.rst b/docs/contributing.rst index 4bb1461d..184ba214 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -60,6 +60,12 @@ always indistinguishable. As a result ``cryptography`` has, as a design philosophy: "make it hard to do insecure things". Here are a few strategies for API design which should be both followed, and should inspire other API choices: +If it is necessary to compare a user provided value with a computed value (for +example, verifying a signature), there should be an API provided which performs +the verification in a secure way (for example, using a constant time +comparison), rather than requiring the user to perform the comparison +themselves. + If it is incorrect to ignore the result of a method, it should raise an exception, and not return a boolean ``True``/``False`` flag. For example, a method to verify a signature should raise ``InvalidSignature``, and not return @@ -287,5 +293,5 @@ The HTML documentation index can now be found at .. _`tox`: https://pypi.python.org/pypi/tox .. _`virtualenv`: https://pypi.python.org/pypi/virtualenv .. _`pip`: https://pypi.python.org/pypi/pip -.. _`sphinx`: https://pypi.python.org/pypi/sphinx +.. _`sphinx`: https://pypi.python.org/pypi/Sphinx .. _`reStructured Text`: http://sphinx-doc.org/rest.html |