74 lines
2.3 KiB
Groff
74 lines
2.3 KiB
Groff
.\" $OpenBSD: d2i_PKEY_USAGE_PERIOD.3,v 1.2 2018/03/21 16:09:51 schwarze Exp $
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.\"
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.\" Copyright (c) 2016 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: March 21 2018 $
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.Dt D2I_PKEY_USAGE_PERIOD 3
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.Os
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.Sh NAME
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.Nm d2i_PKEY_USAGE_PERIOD ,
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.Nm i2d_PKEY_USAGE_PERIOD
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.Nd decode and encode X.509 key usage period extensions
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.Sh SYNOPSIS
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.In openssl/x509v3.h
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.Ft PKEY_USAGE_PERIOD *
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.Fo d2i_PKEY_USAGE_PERIOD
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.Fa "PKEY_USAGE_PERIOD **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_PKEY_USAGE_PERIOD
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.Fa "PKEY_USAGE_PERIOD *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_PKEY_USAGE_PERIOD
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and
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.Fn i2d_PKEY_USAGE_PERIOD
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decode and encode an ASN.1
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.Vt PrivateKeyUsagePeriod
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structure defined in RFC 3280 section 4.2.1.4.
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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 RETURN VALUES
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.Fn d2i_PKEY_USAGE_PERIOD
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returns a
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.Vt PKEY_USAGE_PERIOD
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object or
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.Dv NULL
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if an error occurs.
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.Pp
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.Fn i2d_PKEY_USAGE_PERIOD
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returns the number of bytes successfully encoded or a negative value
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if an error occurs.
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.Sh SEE ALSO
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.Xr ASN1_item_d2i 3 ,
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.Xr PKEY_USAGE_PERIOD_new 3 ,
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.Xr X509_EXTENSION_new 3
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.Sh STANDARDS
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RFC 3280: Internet X.509 Public Key Infrastructure Certificate and
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Certificate Revocation List (CRL) Profile,
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section 4.2.1.4: Private Key Usage Period
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.Pp
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RFC 3280 was obsoleted by RFC 5280; see
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.Xr PKEY_USAGE_PERIOD_new 3
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for details.
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.Sh HISTORY
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.Fn d2i_PKEY_USAGE_PERIOD
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and
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.Fn i2d_PKEY_USAGE_PERIOD
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first appeared in OpenSSL 0.9.2b and have been available since
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.Ox 2.6 .
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