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Attempting to take a base backup with Postgres linking to a build of OpenSSL with FIPS enabled currently fails with or even without a backup manifest requested because of this mandatory SHA256 initialization used for the manifest file itself. However, there is no need to do this initialization at all if backup manifests are not needed because there is no data to append to the manifest. Note that being able to use backup manifests with OpenSSL+FIPS requires a switch of the SHA2 implementation to use EVP, which would cause an ABI breakage so this cannot be backpatched to 13 as it has been already released, but at least avoiding this SHA256 initialization gives users the possibility to take a base backup even when specifying --no-manifest with pg_basebackup. Author: Michael Paquier Discussion: https://postgr.es/m/20201110020014.GE1887@paquier.xyz Backpatch-through: 13
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/.