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.TH nfc-anticol 1 "June 26, 2009" "libnfc" "libnfc's examples"
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.SH NAME
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nfc-anticol \- Demonstration of NFC anti-collision command line tool based on libnfc
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.SH SYNOPSIS
.B nfc-anticol
.SH DESCRIPTION
.B nfc-anticol
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is an anti-collision demonstration tool for ISO/IEC 14443-A tags, performed by
custom constructed frames. The first frame must be a short frame which is only
7 bits long. Commercial SDK's often don't support a feature to send frames that
are not a multiple of 8 bits (1 byte) long.  This makes it impossible to do the
anti-collision yourself.  The developer has to rely on closed proprietary
software and should hope it does not contain vulnerabilities during the
anti-collision phase.  Performing the anti-collision using custom frames could
protect against a malicious tag that, for example, violates the standard by
sending frames with unsupported lengths.
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Note that this is only a demonstration tool, which can not handle multiple tags
as real life anti-collisions with multiple tags generate "messy" bits which
are neither 0 nor 1.
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.SH BUGS
Please report any bugs on the
.B libnfc
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issue tracker at:
.br
.BR http://code.google.com/p/libnfc/issues
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.SH LICENCE
.B libnfc
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is licensed under the GNU Lesser General Public License (LGPL), version 3.
.br
.B libnfc-utils
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and
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.B libnfc-examples
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are covered by the the BSD 2-Clause license.
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.SH AUTHORS
Roel Verdult <roel@libnfc.org>
.PP
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This manual page was written by Romuald Conty <romuald@libnfc.org>.
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It is licensed under the terms of the GNU GPL (version 2 or later).