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+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man v6.0.2 (Pod::Simple 3.45)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
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+..
+.de Vb \" Begin verbatim text
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+..
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+.\" 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'.
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+..
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+..
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+.    \}
+.\}
+.rr rF
+.\"
+.\" Required to disable full justification in groff 1.23.0.
+.if n .ds AD l
+.\" ========================================================================
+.\"
+.IX Title "OSSL_PROVIDER-BASE 7ossl"
+.TH OSSL_PROVIDER-BASE 7ossl 2026-04-07 3.5.6 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
+OSSL_PROVIDER\-base \- OpenSSL base provider
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+The OpenSSL base provider supplies the encoding for OpenSSL\*(Aqs
+asymmetric cryptography.
+.SS Properties
+.IX Subsection "Properties"
+The implementations in this provider specifically have this property
+defined:
+.IP """provider=base""" 4
+.IX Item """provider=base"""
+.PP
+It may be used in a property query string with fetching functions.
+.PP
+It isn\*(Aqt mandatory to query for this property, except to make sure to get
+implementations of this provider and none other.
+.IP """type=parameters""" 4
+.IX Item """type=parameters"""
+.PD 0
+.IP """type=private""" 4
+.IX Item """type=private"""
+.IP """type=public""" 4
+.IX Item """type=public"""
+.PD
+.PP
+These may be used in a property query string with fetching functions to select
+which data are to be encoded.  Either the private key material, the public
+key material or the domain parameters can be selected.
+.IP """format=der""" 4
+.IX Item """format=der"""
+.PD 0
+.IP """format=pem""" 4
+.IX Item """format=pem"""
+.IP """format=text""" 4
+.IX Item """format=text"""
+.PD
+.PP
+These may be used in a property query string with fetching functions to select
+the encoding output format.  Either the DER, PEM and plaintext are
+currently permitted.
+.SH "OPERATIONS AND ALGORITHMS"
+.IX Header "OPERATIONS AND ALGORITHMS"
+The OpenSSL base provider supports these operations and algorithms:
+.SS "Random Number Generation"
+.IX Subsection "Random Number Generation"
+.IP "SEED\-SRC,  see \fBEVP_RAND\-SEED\-SRC\fR\|(7)" 4
+.IX Item "SEED-SRC, see EVP_RAND-SEED-SRC"
+.PD 0
+.IP "JITTER,  see \fBEVP_RAND\-JITTER\fR\|(7)" 4
+.IX Item "JITTER, see EVP_RAND-JITTER"
+.PD
+.PP
+In addition to this provider, the "SEED\-SRC" and "JITTER" algorithms
+are also available in the default provider.
+.SS "Asymmetric Key Encoder"
+.IX Subsection "Asymmetric Key Encoder"
+.IP RSA 4
+.IX Item "RSA"
+.PD 0
+.IP RSA\-PSS 4
+.IX Item "RSA-PSS"
+.IP DH 4
+.IX Item "DH"
+.IP DHX 4
+.IX Item "DHX"
+.IP DSA 4
+.IX Item "DSA"
+.IP EC 4
+.IX Item "EC"
+.IP ED25519 4
+.IX Item "ED25519"
+.IP ED448 4
+.IX Item "ED448"
+.IP X25519 4
+.IX Item "X25519"
+.IP X448 4
+.IX Item "X448"
+.IP SM2 4
+.IX Item "SM2"
+.IP ML\-DSA\-44 4
+.IX Item "ML-DSA-44"
+.IP ML\-DSA\-65 4
+.IX Item "ML-DSA-65"
+.IP ML\-DSA\-87 4
+.IX Item "ML-DSA-87"
+.IP ML\-KEM\-512 4
+.IX Item "ML-KEM-512"
+.IP ML\-KEM\-768 4
+.IX Item "ML-KEM-768"
+.IP ML\-KEM\-1024 4
+.IX Item "ML-KEM-1024"
+.IP SLH\-DSA\-SHA2\-128s 4
+.IX Item "SLH-DSA-SHA2-128s"
+.IP SLH\-DSA\-SHA2\-128f 4
+.IX Item "SLH-DSA-SHA2-128f"
+.IP SLH\-DSA\-SHA2\-192s 4
+.IX Item "SLH-DSA-SHA2-192s"
+.IP SLH\-DSA\-SHA2\-192f 4
+.IX Item "SLH-DSA-SHA2-192f"
+.IP SLH\-DSA\-SHA2\-256s 4
+.IX Item "SLH-DSA-SHA2-256s"
+.IP SLH\-DSA\-SHA2\-256f 4
+.IX Item "SLH-DSA-SHA2-256f"
+.IP SLH\-DSA\-SHAKE\-128s 4
+.IX Item "SLH-DSA-SHAKE-128s"
+.IP SLH\-DSA\-SHAKE\-128f 4
+.IX Item "SLH-DSA-SHAKE-128f"
+.IP SLH\-DSA\-SHAKE\-192s 4
+.IX Item "SLH-DSA-SHAKE-192s"
+.IP SLH\-DSA\-SHAKE\-192f 4
+.IX Item "SLH-DSA-SHAKE-192f"
+.IP SLH\-DSA\-SHAKE\-256s 4
+.IX Item "SLH-DSA-SHAKE-256s"
+.IP SLH\-DSA\-SHAKE\-256f 4
+.IX Item "SLH-DSA-SHAKE-256f"
+.PD
+.PP
+In addition to this provider, all of these encoding algorithms are also
+available in the default provider. Some of these algorithms may be used in
+combination with the FIPS provider.
+.SS "Asymmetric Key Decoder"
+.IX Subsection "Asymmetric Key Decoder"
+.IP RSA 4
+.IX Item "RSA"
+.PD 0
+.IP RSA\-PSS 4
+.IX Item "RSA-PSS"
+.IP DH 4
+.IX Item "DH"
+.IP DHX 4
+.IX Item "DHX"
+.IP DSA 4
+.IX Item "DSA"
+.IP EC 4
+.IX Item "EC"
+.IP ED25519 4
+.IX Item "ED25519"
+.IP ED448 4
+.IX Item "ED448"
+.IP X25519 4
+.IX Item "X25519"
+.IP X448 4
+.IX Item "X448"
+.IP SM2 4
+.IX Item "SM2"
+.IP DER 4
+.IX Item "DER"
+.IP ML\-DSA\-44 4
+.IX Item "ML-DSA-44"
+.IP ML\-DSA\-65 4
+.IX Item "ML-DSA-65"
+.IP ML\-DSA\-87 4
+.IX Item "ML-DSA-87"
+.IP ML\-KEM\-512 4
+.IX Item "ML-KEM-512"
+.IP ML\-KEM\-768 4
+.IX Item "ML-KEM-768"
+.IP ML\-KEM\-1024 4
+.IX Item "ML-KEM-1024"
+.IP SLH\-DSA\-SHA2\-128s 4
+.IX Item "SLH-DSA-SHA2-128s"
+.IP SLH\-DSA\-SHA2\-128f 4
+.IX Item "SLH-DSA-SHA2-128f"
+.IP SLH\-DSA\-SHA2\-192s 4
+.IX Item "SLH-DSA-SHA2-192s"
+.IP SLH\-DSA\-SHA2\-192f 4
+.IX Item "SLH-DSA-SHA2-192f"
+.IP SLH\-DSA\-SHA2\-256s 4
+.IX Item "SLH-DSA-SHA2-256s"
+.IP SLH\-DSA\-SHA2\-256f 4
+.IX Item "SLH-DSA-SHA2-256f"
+.IP SLH\-DSA\-SHAKE\-128s 4
+.IX Item "SLH-DSA-SHAKE-128s"
+.IP SLH\-DSA\-SHAKE\-128f 4
+.IX Item "SLH-DSA-SHAKE-128f"
+.IP SLH\-DSA\-SHAKE\-192s 4
+.IX Item "SLH-DSA-SHAKE-192s"
+.IP SLH\-DSA\-SHAKE\-192f 4
+.IX Item "SLH-DSA-SHAKE-192f"
+.IP SLH\-DSA\-SHAKE\-256s 4
+.IX Item "SLH-DSA-SHAKE-256s"
+.IP SLH\-DSA\-SHAKE\-256f 4
+.IX Item "SLH-DSA-SHAKE-256f"
+.PD
+.PP
+In addition to this provider, all of these decoding algorithms are also
+available in the default provider. Some of these algorithms may be used in
+combination with the FIPS provider.
+.SS Stores
+.IX Subsection "Stores"
+.IP file 4
+.IX Item "file"
+.PD 0
+.IP "org.openssl.winstore, see \fBOSSL_STORE\-winstore\fR\|(7)" 4
+.IX Item "org.openssl.winstore, see OSSL_STORE-winstore"
+.PD
+.PP
+In addition to this provider, all of these store algorithms are also
+available in the default provider.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fBOSSL_PROVIDER\-default\fR\|(7), \fBopenssl\-core.h\fR\|(7),
+\&\fBopenssl\-core_dispatch.h\fR\|(7), \fBprovider\fR\|(7)
+.SH HISTORY
+.IX Header "HISTORY"
+This functionality was added in OpenSSL 3.0.
+.PP
+Support for \fBML\-DSA\fR and <ML\-KEM> was added in OpenSSL 3.5.
+.SH COPYRIGHT
+.IX Header "COPYRIGHT"
+Copyright 2020\-2025 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>.