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+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man 5.0102 (Pod::Simple 3.45)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
+.ie n \{\
+.    ds C` ""
+.    ds C' ""
+'br\}
+.el\{\
+.    ds C`
+.    ds C'
+'br\}
+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\"
+.\" If the F register is >0, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD.  Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.\"
+.\" Avoid warning from groff about undefined register 'F'.
+.de IX
+..
+.nr rF 0
+.if \n(.g .if rF .nr rF 1
+.if (\n(rF:(\n(.g==0)) \{\
+.    if \nF \{\
+.        de IX
+.        tm Index:\\$1\t\\n%\t"\\$2"
+..
+.        if !\nF==2 \{\
+.            nr % 0
+.            nr F 2
+.        \}
+.    \}
+.\}
+.rr rF
+.\" ========================================================================
+.\"
+.IX Title "OPENSSL_ADD_ALL_ALGORITHMS 3ossl"
+.TH OPENSSL_ADD_ALL_ALGORITHMS 3ossl 2025-09-30 3.5.4 OpenSSL
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH NAME
+OpenSSL_add_all_algorithms, OpenSSL_add_all_ciphers, OpenSSL_add_all_digests, EVP_cleanup \-
+add algorithms to internal table
+.SH SYNOPSIS
+.IX Header "SYNOPSIS"
+.Vb 1
+\& #include <openssl/evp.h>
+.Ve
+.PP
+The following functions have been deprecated since OpenSSL 1.1.0, and can be
+hidden entirely by defining \fBOPENSSL_API_COMPAT\fR with a suitable version value,
+see \fBopenssl_user_macros\fR\|(7):
+.PP
+.Vb 3
+\& void OpenSSL_add_all_algorithms(void);
+\& void OpenSSL_add_all_ciphers(void);
+\& void OpenSSL_add_all_digests(void);
+\&
+\& void EVP_cleanup(void);
+.Ve
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+OpenSSL keeps an internal table of digest algorithms and ciphers. It uses
+this table to lookup ciphers via functions such as \fBEVP_get_cipher_byname()\fR.
+.PP
+\&\fBOpenSSL_add_all_digests()\fR adds all digest algorithms to the table.
+.PP
+\&\fBOpenSSL_add_all_algorithms()\fR adds all algorithms to the table (digests and
+ciphers).
+.PP
+\&\fBOpenSSL_add_all_ciphers()\fR adds all encryption algorithms to the table including
+password based encryption algorithms.
+.PP
+In versions prior to 1.1.0 \fBEVP_cleanup()\fR removed all ciphers and digests from
+the table. It no longer has any effect in OpenSSL 1.1.0.
+.SH "RETURN VALUES"
+.IX Header "RETURN VALUES"
+None of the functions return a value.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fBevp\fR\|(7), \fBEVP_DigestInit\fR\|(3),
+\&\fBEVP_EncryptInit\fR\|(3)
+.SH HISTORY
+.IX Header "HISTORY"
+The \fBOpenSSL_add_all_algorithms()\fR, \fBOpenSSL_add_all_ciphers()\fR,
+\&\fBOpenSSL_add_all_digests()\fR, and \fBEVP_cleanup()\fR, functions
+were deprecated in OpenSSL 1.1.0 by \fBOPENSSL_init_crypto()\fR and should
+not be used.
+.SH COPYRIGHT
+.IX Header "COPYRIGHT"
+Copyright 2000\-2020 The OpenSSL Project Authors. All Rights Reserved.
+.PP
+Licensed under the Apache License 2.0 (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+<https://www.openssl.org/source/license.html>.