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2ccfa855b2
Some highlights from NEWS entries: ** Improved OpenSSL 3.0 compatibility. ** Support for hidraw(4) on FreeBSD; gh#597. ** Improved support for FIDO 2.1 authenticators. PR: 273596 Relnotes: Yes Sponsored by: The FreeBSD Foundation
105 lines
3 KiB
Groff
105 lines
3 KiB
Groff
.\" Copyright (c) 2019 Yubico AB. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions are
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.\" met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in
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.\" the documentation and/or other materials provided with the
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.\" distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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.\" HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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.\" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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.\" OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" SPDX-License-Identifier: BSD-2-Clause
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.\"
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.Dd $Mdocdate: September 13 2019 $
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.Dt FIDO_BIO_INFO_NEW 3
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.Os
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.Sh NAME
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.Nm fido_bio_info_new ,
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.Nm fido_bio_info_free ,
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.Nm fido_bio_info_type ,
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.Nm fido_bio_info_max_samples
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.Nd FIDO2 biometric sensor information API
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.Sh SYNOPSIS
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.In fido.h
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.In fido/bio.h
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.Ft fido_bio_info_t *
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.Fn fido_bio_info_new "void"
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.Ft void
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.Fn fido_bio_info_free "fido_bio_info_t **info_p"
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.Ft uint8_t
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.Fn fido_bio_info_type "const fido_bio_info_t *info"
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.Ft uint8_t
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.Fn fido_bio_info_max_samples "const fido_bio_info_t *info"
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.Sh DESCRIPTION
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Biometric sensor metadata is abstracted in
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.Em libfido2
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by the
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.Vt fido_bio_info_t
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type.
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.Pp
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The functions described in this page allow a
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.Vt fido_bio_info_t
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type to be allocated, deallocated, and inspected.
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For device operations on
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.Vt fido_bio_info_t ,
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please refer to
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.Xr fido_bio_dev_get_info 3 .
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.Pp
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The
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.Fn fido_bio_info_new
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function returns a pointer to a newly allocated, empty
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.Vt fido_bio_info_t
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type.
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If memory cannot be allocated, NULL is returned.
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.Pp
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The
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.Fn fido_bio_info_free
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function releases the memory backing
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.Fa *info_p ,
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where
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.Fa *info_p
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must have been previously allocated by
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.Fn fido_bio_info_new .
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On return,
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.Fa *info_p
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is set to NULL.
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Either
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.Fa info_p
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or
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.Fa *info_p
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may be NULL, in which case
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.Fn fido_bio_info_free
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is a NOP.
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.Pp
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The
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.Fn fido_bio_info_type
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function returns the fingerprint sensor type, which is
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.Dv 1
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for touch sensors, and
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.Dv 2
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for swipe sensors.
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.Pp
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The
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.Fn fido_bio_info_max_samples
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function returns the maximum number of successful samples
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required for enrollment.
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.Sh SEE ALSO
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.Xr fido_bio_dev_get_info 3 ,
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.Xr fido_bio_enroll_new 3 ,
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.Xr fido_bio_template 3
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