mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-20 21:38:26 +00:00
f4ed55377d
The new name of the function is `hdnode_get_ethereum_address` and it gets a hdnode as input as opposed to a public key. This also avoids first computing the compressed public key and then uncompressing it. Test cases were adapted to work with new function. The test-vectors are the same as for bip32 and independently checked with an adhoc python implementation.
87 lines
4.4 KiB
C
87 lines
4.4 KiB
C
/**
|
|
* Copyright (c) 2013-2014 Tomas Dzetkulic
|
|
* Copyright (c) 2013-2014 Pavol Rusnak
|
|
*
|
|
* 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_H__
|
|
#define __ECDSA_H__
|
|
|
|
#include <stdint.h>
|
|
#include "options.h"
|
|
#include "bignum.h"
|
|
|
|
// curve point x and y
|
|
typedef struct {
|
|
bignum256 x, y;
|
|
} curve_point;
|
|
|
|
typedef struct {
|
|
|
|
bignum256 prime; // prime order of the finite field
|
|
curve_point G; // initial curve point
|
|
bignum256 order; // order of G
|
|
bignum256 order_half; // order of G divided by 2
|
|
int a; // coefficient 'a' of the elliptic curve
|
|
bignum256 b; // coefficient 'b' of the elliptic curve
|
|
|
|
#if USE_PRECOMPUTED_CP
|
|
const curve_point cp[64][8];
|
|
#endif
|
|
|
|
} ecdsa_curve;
|
|
|
|
void point_copy(const curve_point *cp1, curve_point *cp2);
|
|
void point_add(const ecdsa_curve *curve, const curve_point *cp1, curve_point *cp2);
|
|
void point_double(const ecdsa_curve *curve, curve_point *cp);
|
|
void point_multiply(const ecdsa_curve *curve, const bignum256 *k, const curve_point *p, curve_point *res);
|
|
void point_set_infinity(curve_point *p);
|
|
int point_is_infinity(const curve_point *p);
|
|
int point_is_equal(const curve_point *p, const curve_point *q);
|
|
int point_is_negative_of(const curve_point *p, const curve_point *q);
|
|
void scalar_multiply(const ecdsa_curve *curve, const bignum256 *k, curve_point *res);
|
|
void uncompress_coords(const ecdsa_curve *curve, uint8_t odd, const bignum256 *x, bignum256 *y);
|
|
int ecdsa_uncompress_pubkey(const ecdsa_curve *curve, const uint8_t *pub_key, uint8_t *uncompressed);
|
|
|
|
int ecdsa_sign(const ecdsa_curve *curve, const uint8_t *priv_key, const uint8_t *msg, uint32_t msg_len, uint8_t *sig, uint8_t *pby);
|
|
int ecdsa_sign_double(const ecdsa_curve *curve, const uint8_t *priv_key, const uint8_t *msg, uint32_t msg_len, uint8_t *sig, uint8_t *pby);
|
|
int ecdsa_sign_digest(const ecdsa_curve *curve, const uint8_t *priv_key, const uint8_t *digest, uint8_t *sig, uint8_t *pby);
|
|
void ecdsa_get_public_key33(const ecdsa_curve *curve, const uint8_t *priv_key, uint8_t *pub_key);
|
|
void ecdsa_get_public_key65(const ecdsa_curve *curve, const uint8_t *priv_key, uint8_t *pub_key);
|
|
void ecdsa_get_pubkeyhash(const uint8_t *pub_key, uint8_t *pubkeyhash);
|
|
void ecdsa_get_address_raw(const uint8_t *pub_key, uint8_t version, uint8_t *addr_raw);
|
|
void ecdsa_get_address(const uint8_t *pub_key, uint8_t version, char *addr, int addrsize);
|
|
void ecdsa_get_wif(const uint8_t *priv_key, uint8_t version, char *wif, int wifsize);
|
|
|
|
int ecdsa_address_decode(const char *addr, uint8_t *out);
|
|
int ecdsa_read_pubkey(const ecdsa_curve *curve, const uint8_t *pub_key, curve_point *pub);
|
|
int ecdsa_validate_pubkey(const ecdsa_curve *curve, const curve_point *pub);
|
|
int ecdsa_verify(const ecdsa_curve *curve, const uint8_t *pub_key, const uint8_t *sig, const uint8_t *msg, uint32_t msg_len);
|
|
int ecdsa_verify_double(const ecdsa_curve *curve, const uint8_t *pub_key, const uint8_t *sig, const uint8_t *msg, uint32_t msg_len);
|
|
int ecdsa_verify_digest(const ecdsa_curve *curve, const uint8_t *pub_key, const uint8_t *sig, const uint8_t *digest);
|
|
int ecdsa_verify_digest_recover(const ecdsa_curve *curve, uint8_t *pub_key, const uint8_t *sig, const uint8_t *digest, int recid);
|
|
int ecdsa_sig_to_der(const uint8_t *sig, uint8_t *der);
|
|
|
|
// Private
|
|
int generate_k_rfc6979(const ecdsa_curve *curve, bignum256 *secret, const uint8_t *priv_key, const uint8_t *hash);
|
|
int generate_k_random(const ecdsa_curve *curve, bignum256 *k);
|
|
|
|
#endif
|