90 lines
2.4 KiB
Groff
90 lines
2.4 KiB
Groff
.\" $OpenBSD: d2i_X509_ALGOR.3,v 1.10 2021/11/03 15:02:14 schwarze Exp $
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.\"
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.\" Copyright (c) 2016, 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: November 3 2021 $
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.Dt D2I_X509_ALGOR 3
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.Os
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.Sh NAME
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.Nm d2i_X509_ALGOR ,
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.Nm i2d_X509_ALGOR ,
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.Nm d2i_X509_ALGORS ,
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.Nm i2d_X509_ALGORS
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.Nd decode and encode algorithm identifiers
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.Sh SYNOPSIS
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.In openssl/x509.h
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.Ft X509_ALGOR *
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.Fo d2i_X509_ALGOR
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.Fa "X509_ALGOR **val_out"
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.Fa "unsigned char **der_in"
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.Fa "long length"
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.Fc
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.Ft int
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.Fo i2d_X509_ALGOR
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.Fa "X509_ALGOR *val_in"
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.Fa "unsigned char **der_out"
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.Fc
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.Ft X509_ALGORS *
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.Fo d2i_X509_ALGORS
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.Fa "X509_ALGORS **val_out"
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.Fa "const unsigned char **der_in"
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.Fa "long length"
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.Fc
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.Ft int
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.Fo i2d_X509_ALGORS
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.Fa "X509_ALGORS *val_in"
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.Fa "unsigned char **der_out"
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.Fc
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.Sh DESCRIPTION
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.Fn d2i_X509_ALGOR
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and
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.Fn i2d_X509_ALGOR
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decode and encode an ASN.1
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.Vt AlgorithmIdentifier
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structure defined in RFC 5280 section 4.1.1.2.
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.Pp
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.Fn d2i_X509_ALGORS
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and
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.Fn i2d_X509_ALGORS
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decode and encode an ASN.1 sequence of
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.Vt AlgorithmIdentifier
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structures.
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The data type
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.Vt X509_ALGORS
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is defined as
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.Vt STACK_OF(X509_ALGOR) .
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.Pp
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For details about the semantics, examples, caveats, and bugs, see
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.Xr ASN1_item_d2i 3 .
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.Sh SEE ALSO
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.Xr ASN1_item_d2i 3 ,
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.Xr STACK_OF 3 ,
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.Xr X509_ALGOR_new 3
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.Sh STANDARDS
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RFC 5280: Internet X.509 Public Key Infrastructure Certificate and
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Certificate Revocation List (CRL) Profile
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.Sh HISTORY
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.Fn d2i_X509_ALGOR
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and
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.Fn i2d_X509_ALGOR
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first appeared in SSLeay 0.5.1 and have been available since
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.Ox 2.4 .
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.Pp
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.Fn d2i_X509_ALGORS
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and
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.Fn i2d_X509_ALGORS
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first appeared in OpenSSL 0.9.8h and have been available since
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.Ox 4.5 .
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