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nfc-anticol(1) libnfc's examples nfc-anticol(1) NAME nfc-anticol - Demonstration of NFC anti-collision command line tool based on libnfc SYNOPSIS nfc-anticol DESCRIPTION nfc-anticol 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 con- tain 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. 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. BUGS Please report any bugs on the libnfc issue tracker at: https://github.com/nfc-tools/libnfc/issues LICENCE libnfc is licensed under the GNU Lesser General Public License (LGPL), ver- sion 3. libnfc-utils and libnfc-examples are covered by the the BSD 2-Clause li- cense. AUTHORS Roel Verdult <roel@libnfc.org> This manual page was written by Romuald Conty <romuald@libnfc.org>. It is licensed under the terms of the GNU GPL (version 2 or later). libnfc June 26, 2009 nfc-anticol(1)
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