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Diffstat (limited to 'doc/upgrading.rst')
| -rw-r--r-- | doc/upgrading.rst | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/doc/upgrading.rst b/doc/upgrading.rst index 0ec18eb..3381baa 100644 --- a/doc/upgrading.rst +++ b/doc/upgrading.rst @@ -1,6 +1,22 @@ Upgrading from older versions ============================= +From versions older than Python-RSA 4.0 +--------------------------------------- + +Support for the VARBLOCK/bigfile format has been dropped in version 4.0, after +being deprecated for a year. There is no alternative implementation in +Python-RSA 4.0. If you need this, or have ideas on how to do handle encryption +of large files securely and in a compatible way with existing standards, +`open a ticket to discuss this`_. + +.. _open a ticket to discuss this: + https://github.com/sybrenstuvel/python-rsa/issues/new + + +From versions older than Python-RSA 3.4 +--------------------------------------- + Previous versions of Python-RSA were less secure than the current version. In order to be able to gradually upgrade your software, those old versions will be available until Python-RSA 4.0. @@ -34,8 +50,7 @@ less secure code into your project. The random padding introduced in version 3.0 made things much more secure, but also requires a larger key to encrypt the same message. -You can either generate a new key with :py:func:`rsa.newkeys`, or use -:py:func:`rsa.bigfile.encrypt_bigfile` to encrypt your files. + Converting keys --------------- @@ -70,4 +85,3 @@ older version of Python-RSA, use the following:: old_priv_key.update(old_pub_key) priv_key = rsa.PrivateKey(**old_priv_key) - |