Leancrypto
0.12.0
Post-Quantum Cryptographic Library
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otp
api
lc_totp.h
Go to the documentation of this file.
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/*
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* Copyright (C) 2018 - 2024, Stephan Mueller <smueller@chronox.de>
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*
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* License: see LICENSE file in root directory
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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#ifndef LC_TOTP_H
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#define LC_TOTP_H
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#include "ext_headers.h"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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int
lc_totp
(
const
uint8_t *hmac_key,
size_t
hmac_key_len, uint32_t step,
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uint32_t digits, uint32_t *totp_val);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* LC_TOTP_H */
lc_totp
int lc_totp(const uint8_t *hmac_key, size_t hmac_key_len, uint32_t step, uint32_t digits, uint32_t *totp_val)
Time-Based One-Time Password Algorithm - RFC 6238.
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