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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
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.