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f5576a21b0
Use the padding provided by OpenSSL instead of doing it ourselves. The internal implementation was once applicable to the non-OpenSSL code paths, but those have since been removed. The padding algorithm is still the same. The OpenSSL padding implementation is stricter than the previous internal one: Bad padding during decryption is now an error, and encryption without padding now requires the input size to be a multiple of the block size, otherwise it is also an error. Previously, these cases silently proceeded, in spite of the documentation saying otherwise. Add some test cases about this, too. (The test cases are in rijndael.sql, but they apply to all encryption algorithms.) Reviewed-by: Jacob Champion <pchampion@vmware.com> Reviewed-by: Nathan Bossart <nathandbossart@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/ba94c26b-0c58-c97e-7a44-f44e08b4cca2%40enterprisedb.com
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "make all" and "make
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.