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