1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-05 05:58:23 +00:00
trezor-firmware/crypto/hash_to_curve.h

33 lines
1.5 KiB
C
Raw Normal View History

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