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Raise the minimum supported OpenSSL version to 1.1.1

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Commit a70e01d430 retired support for OpenSSL 1.0.2 in order to get
rid of the need for manual initialization of the library.  This left our
API usage compatible with 1.1.0 which was defined as the minimum required
version. Also mention that 3.4 is the minimum version required when using
LibreSSL.

An upcoming commit will introduce support for configuring TLSv1.3 cipher
suites which require an API call in OpenSSL 1.1.1 and onwards.  In order
to support this setting this commit will set v1.1.1 as the new minimum
required version.  The version-specific call for randomness init added
in commit c3333dbc0c is removed as it's no longer needed.

Author: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/909A668B-06AD-47D1-B8EB-A164211AAD16@yesql.se
Discussion: https://postgr.es/m/tencent_063F89FA72CCF2E48A0DF5338841988E9809@qq.com
This commit is contained in:
Daniel Gustafsson
2024-10-24 15:20:19 +02:00
parent f81855171f
commit 6c66b7443c
6 changed files with 40 additions and 50 deletions
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12
doc/src/sgml/installation.sgml
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@ -293,7 +293,13 @@
encrypted client connections. <productname>OpenSSL</productname> is
also required for random number generation on platforms that do not
have <filename>/dev/urandom</filename> (except Windows). The minimum
required version is 1.1.0.
required version is 1.1.1.
</para>
<para>
Additionally, <productname>LibreSSL</productname> is supported using the
<productname>OpenSSL</productname> compatibility layer. The minimum
required version is 3.4 (from <systemitem class="osname">OpenBSD</systemitem>
version 7.0).
</para>
</listitem>
@ -989,7 +995,9 @@ build-postgresql:
<para>
Build with support for <acronym>SSL</acronym> (encrypted)
connections. The only <replaceable>LIBRARY</replaceable>
supported is <option>openssl</option>. This requires the
supported is <option>openssl</option>, which is used for both
<productname>OpenSSL</productname>
and <productname>LibreSSL</productname>. This requires the
<productname>OpenSSL</productname> package to be installed.
<filename>configure</filename> will check for the required
header files and libraries to make sure that your