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trezor-firmware/crypto/ecdsa_internal.h

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/**
* Copyright (c) 2022 SatoshiLabs
*
* 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 __ECDSA_INTERNAL_H__
#define __ECDSA_INTERNAL_H__
#include <stdint.h>
#include "ecdsa.h"
// trezor-crypto native implementations
int tc_ecdsa_get_public_key33(const ecdsa_curve *curve, const uint8_t *priv_key,
uint8_t *pub_key);
int tc_ecdsa_get_public_key65(const ecdsa_curve *curve, const uint8_t *priv_key,
uint8_t *pub_key);
int tc_ecdsa_sign_digest(const ecdsa_curve *curve, const uint8_t *priv_key,
const uint8_t *digest, uint8_t *sig, uint8_t *pby,
int (*is_canonical)(uint8_t by, uint8_t sig[64]));
int tc_ecdsa_verify_digest(const ecdsa_curve *curve, const uint8_t *pub_key,
const uint8_t *sig, const uint8_t *digest);
int tc_ecdsa_recover_pub_from_sig(const ecdsa_curve *curve, uint8_t *pub_key,
const uint8_t *sig, const uint8_t *digest,
int recid);
int tc_ecdh_multiply(const ecdsa_curve *curve, const uint8_t *priv_key,
const uint8_t *pub_key, uint8_t *session_key);
ecdsa_tweak_pubkey_result tc_ecdsa_tweak_pubkey(
const ecdsa_curve *curve, const uint8_t *public_key_bytes,
const uint8_t *tweak_bytes, uint8_t *tweaked_public_key_bytes);
#endif