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Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> (Merged from https://github.com/openssl/openssl/pull/19262)
68 lines
2.8 KiB
Markdown
68 lines
2.8 KiB
Markdown
OpenSSL FIPS support
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====================
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This release of OpenSSL includes a cryptographic module that is intended to be
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FIPS 140-2 validated. The module is implemented as an OpenSSL provider.
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A provider is essentially a dynamically loadable module which implements
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cryptographic algorithms, see the [README-PROVIDERS](README-PROVIDERS.md) file
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for further details.
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The OpenSSL FIPS provider comes as shared library called `fips.so` (on Unix)
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resp. `fips.dll` (on Windows). The FIPS provider does not get built and
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installed automatically. To enable it, you need to configure OpenSSL using
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the `enable-fips` option.
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Installing the FIPS module
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==========================
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If the FIPS provider is enabled, it gets installed automatically during the
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normal installation process. Simply follow the normal procedure (configure,
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make, make test, make install) as described in the [INSTALL](INSTALL.md) file.
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For example, on Unix the final command
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$ make install
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effectively executes the following install targets
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$ make install_sw
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$ make install_ssldirs
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$ make install_docs
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$ make install_fips # for `enable-fips` only
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The `install_fips` make target can also be invoked explicitly to install
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the FIPS provider independently, without installing the rest of OpenSSL.
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The Installation of the FIPS provider consists of two steps. In the first step,
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the shared library is copied to its installed location, which by default is
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/usr/local/lib/ossl-modules/fips.so on Unix, and
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C:\Program Files\OpenSSL\lib\ossl-modules\fips.dll on Windows.
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In the second step, the `openssl fipsinstall` command is executed, which completes
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the installation by doing the following two things:
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- Runs the FIPS module self tests
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- Generates the so-called FIPS module configuration file containing information
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about the module such as the self test status, and the module checksum.
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The FIPS module must have the self tests run, and the FIPS module config file
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output generated on every machine that it is to be used on. You must not copy
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the FIPS module config file output data from one machine to another.
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On Unix, the `openssl fipsinstall` command will be invoked as follows by default:
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$ openssl fipsinstall -out /usr/local/ssl/fipsmodule.cnf -module /usr/local/lib/ossl-modules/fips.so
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If you configured OpenSSL to be installed to a different location, the paths will
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vary accordingly. In the rare case that you need to install the fipsmodule.cnf
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to non-standard location, you can execute the `openssl fipsinstall` command manually.
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Using the FIPS Module in applications
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=====================================
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Documentation about using the FIPS module is available on the [fips_module(7)]
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manual page.
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[fips_module(7)]: https://www.openssl.org/docs/manmaster/man7/fips_module.html
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