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33 lines
1.5 KiB
C
33 lines
1.5 KiB
C
/**
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
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* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __HASH_TO_CURVE_H__
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#define __HASH_TO_CURVE_H__
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#include "ecdsa.h"
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bool expand_message_xmd_sha256(const uint8_t *msg, size_t msg_len,
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const uint8_t *dst, size_t dst_len,
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uint8_t *output, size_t output_len);
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bool hash_to_curve_p256(const uint8_t *msg, size_t msg_len, const uint8_t *dst,
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size_t dst_len, curve_point *point);
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bool hash_to_curve_optiga(const uint8_t input[32], uint8_t public_key[65]);
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#endif
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