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trezor-firmware/legacy/firmware/crypto.h
2023-03-24 13:24:46 +01:00

120 lines
4.5 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CRYPTO_H__
#define __CRYPTO_H__
#include <bip32.h>
#include <ecdsa.h>
#include <pb.h>
#include <sha2.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "coins.h"
#include "hasher.h"
#include "messages-bitcoin.pb.h"
#include "messages-crypto.pb.h"
#define PATH_HARDENED 0x80000000
#define PATH_UNHARDEN_MASK 0x7fffffff
#define PATH_MAX_ACCOUNT 100
#define PATH_MAX_CHANGE 1
// The maximum allowed change address. This should be large enough for normal
// use and still allow to quickly brute-force the correct bip32 path.
#define PATH_MAX_ADDRESS_INDEX 1000000
#define PATH_SLIP25_PURPOSE (PATH_HARDENED | 10025)
// The number of bip32 levels used in a wallet (chain and address)
#define BIP32_WALLET_DEPTH 2
#define ser_length_size(len) ((len) < 253 ? 1 : (len) < 0x10000 ? 3 : 5)
typedef enum {
SCHEMA_NONE,
SCHEMA_SLIP25_TAPROOT,
SCHEMA_SLIP25_TAPROOT_EXTERNAL
} PathSchema;
typedef struct {
uint8_t data[64];
} Slip21Node;
uint32_t ser_length(uint32_t len, uint8_t *out);
uint32_t ser_length_hash(Hasher *hasher, uint32_t len);
int sshMessageSign(HDNode *node, const uint8_t *message, size_t message_len,
uint8_t *signature);
int gpgMessageSign(HDNode *node, const uint8_t *message, size_t message_len,
uint8_t *signature);
int signifyMessageSign(HDNode *node, const uint8_t *message, size_t message_len,
uint8_t *signature);
int cryptoMessageSign(const CoinInfo *coin, HDNode *node,
InputScriptType script_type, bool no_script_type,
const uint8_t *message, size_t message_len,
uint8_t *signature);
int cryptoMessageVerify(const CoinInfo *coin, const uint8_t *message,
size_t message_len, const char *address,
const uint8_t *signature);
const HDNode *cryptoMultisigPubkey(const CoinInfo *coin,
const MultisigRedeemScriptType *multisig,
uint32_t index);
uint32_t cryptoMultisigPubkeyCount(const MultisigRedeemScriptType *multisig);
int cryptoMultisigPubkeyIndex(const CoinInfo *coin,
const MultisigRedeemScriptType *multisig,
const uint8_t *pubkey);
int cryptoMultisigFingerprint(const MultisigRedeemScriptType *multisig,
uint8_t *hash);
int cryptoIdentityFingerprint(const IdentityType *identity, uint8_t *hash);
bool cryptoCosiVerify(const ed25519_signature signature, const uint8_t *message,
const size_t message_len, const int threshold,
const ed25519_public_key *pubkeys,
const int pubkeys_count, const uint8_t sigmask);
bool coin_path_check(const CoinInfo *coin, InputScriptType script_type,
uint32_t address_n_count, const uint32_t *address_n,
bool has_multisig, PathSchema unlock, bool full_check);
bool is_multisig_input_script_type(InputScriptType script_type);
bool is_multisig_output_script_type(OutputScriptType script_type);
bool is_internal_input_script_type(InputScriptType script_type);
bool is_change_output_script_type(OutputScriptType script_type);
bool is_segwit_input_script_type(InputScriptType script_type);
bool is_segwit_output_script_type(OutputScriptType script_type);
bool change_output_to_input_script_type(OutputScriptType output_script_type,
InputScriptType *input_script_type);
void slip21_from_seed(const uint8_t *seed, int seed_len, Slip21Node *out);
void slip21_derive_path(Slip21Node *inout, const uint8_t *label,
size_t label_len);
const uint8_t *slip21_key(const Slip21Node *node);
#endif