89 lines
2.3 KiB
Groff
89 lines
2.3 KiB
Groff
.\" $OpenBSD: OBJ_find_sigid_algs.3,v 1.2 2024/01/31 08:02:53 tb Exp $
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.\"
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.\" Copyright (c) 2021 Ingo Schwarze <schwarze@openbsd.org>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd $Mdocdate: January 31 2024 $
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.Dt OBJ_FIND_SIGID_ALGS 3
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.Os
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.Sh NAME
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.Nm OBJ_find_sigid_algs ,
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.Nm OBJ_find_sigid_by_algs
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.Nd signature algorithm mappings
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.Sh SYNOPSIS
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.In openssl/objects.h
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.Ft int
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.Fo OBJ_find_sigid_algs
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.Fa "int signature"
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.Fa "int *pdigest"
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.Fa "int *pencryption"
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.Fc
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.Ft int
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.Fo OBJ_find_sigid_by_algs
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.Fa "int *psignature"
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.Fa "int digest"
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.Fa "int encryption"
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.Fc
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.Sh DESCRIPTION
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.Fn OBJ_find_sigid_algs
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looks up the
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.Fa signature
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algorithm.
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If it is found, the associated digest algorithm is stored in
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.Pf * Fa pdigest
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unless
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.Fa pdigest
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is a
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.Dv NULL
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pointer, and the associated encryption algorithm is stored in
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.Pf * Fa pencryption
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unless
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.Fa pencryption
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is a
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.Dv NULL
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pointer.
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.Pp
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.Fn OBJ_find_sigid_by_algs
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looks up the pair
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.Pq Fa digest , encryption .
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If it is found, the associated signature algorithm is stored in
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.Pf * Fa psignature
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unless
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.Fa psignature
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is a
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.Dv NULL
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pointer.
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.Sh RETURN VALUES
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.Fn OBJ_find_sigid_algs
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returns 1 if a definition of the
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.Fa signature
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algorithm is found or 0 if a definition of the
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.Fa signature
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algorithm is not built into the library.
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.Pp
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.Fn OBJ_find_sigid_by_algs
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returns 1 if a signature algorithm using the specified
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.Fa digest
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and
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.Fa encryption
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algorithms is defined or 0 if the definition of such an algorithm
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is not built into the library.
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.Sh SEE ALSO
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.Xr EVP_cleanup 3 ,
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.Xr OBJ_create 3 ,
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.Xr OBJ_nid2obj 3
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.Sh HISTORY
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These functions first appeared in OpenSSL 1.0.0
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and have been available since
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.Ox 4.9 .
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