mirror of
https://github.com/trezor/trezor-firmware.git
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82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/**
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* Copyright (c) 2013-2014 Tomas Dzetkulic
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* Copyright (c) 2013-2014 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 __BIP32_H__
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#define __BIP32_H__
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#include <stdint.h>
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#include <stdlib.h>
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#include "ecdsa.h"
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#include "options.h"
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typedef struct {
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const char *bip32_name; // string for generating BIP32 xprv from seed
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const ecdsa_curve *params; // ecdsa curve parameters, null for ed25519
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} curve_info;
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typedef struct {
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uint32_t depth;
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uint32_t fingerprint;
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uint32_t child_num;
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uint8_t chain_code[32];
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uint8_t private_key[32];
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uint8_t public_key[33];
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const curve_info *curve;
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} HDNode;
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int hdnode_from_xpub(uint32_t depth, uint32_t fingerprint, uint32_t child_num, const uint8_t *chain_code, const uint8_t *public_key, const char *curve, HDNode *out);
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int hdnode_from_xprv(uint32_t depth, uint32_t fingerprint, uint32_t child_num, const uint8_t *chain_code, const uint8_t *private_key, const char *curve, HDNode *out);
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int hdnode_from_seed(const uint8_t *seed, int seed_len, const char *curve, HDNode *out);
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#define hdnode_private_ckd_prime(X, I) hdnode_private_ckd((X), ((I) | 0x80000000))
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int hdnode_private_ckd(HDNode *inout, uint32_t i);
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int hdnode_public_ckd(HDNode *inout, uint32_t i);
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#if USE_BIP32_CACHE
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int hdnode_private_ckd_cached(HDNode *inout, const uint32_t *i, size_t i_count);
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#endif
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void hdnode_fill_public_key(HDNode *node);
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int hdnode_sign(const HDNode *node, const uint8_t *msg, uint32_t msg_len, uint8_t *sig, uint8_t *pby);
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int hdnode_sign_digest(const HDNode *node, const uint8_t *digest, uint8_t *sig, uint8_t *pby);
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void hdnode_serialize_public(const HDNode *node, char *str, int strsize);
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void hdnode_serialize_private(const HDNode *node, char *str, int strsize);
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int hdnode_deserialize(const char *str, HDNode *node);
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// Private
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void hdnode_serialize(const HDNode *node, uint32_t version, char use_public, char *str, int strsize);
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const curve_info *get_curve_by_name(const char *curve_name);
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#endif
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