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https://github.com/trezor/trezor-firmware.git
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41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
/**
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* Copyright (c) 2013 Tomas Dzetkulic
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* Copyright (c) 2013 Pavol Rusnak
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*
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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 __ECDSA_H__
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#define __ECDSA_H__
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#include <stdint.h>
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#include "secp256k1.h"
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// all functions use secp256k1 curve
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int ecdsa_sign(const uint8_t *priv_key, const uint8_t *msg, uint32_t msg_len, uint8_t *sig);
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void ecdsa_get_public_key33(const uint8_t *priv_key, uint8_t *pub_key);
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void ecdsa_get_public_key65(const uint8_t *priv_key, uint8_t *pub_key);
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void ecdsa_get_address(const uint8_t *pub_key, char version, char *addr);
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int ecdsa_verify(const uint8_t *pub_key, const uint8_t *sig, const uint8_t *msg, uint32_t msg_len);
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int generate_k_rfc6979(bignum256 *secret, const uint8_t *priv_key, const uint8_t *hash);
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#endif
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