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Momentum-Firmware/applications/external/flipbip/lib/crypto/monero/xmr.h
2023-06-14 01:04:42 +01:00

94 lines
2.4 KiB
C

//
// Created by Dusan Klinec on 10/05/2018.
//
#if USE_MONERO
#ifndef TREZOR_CRYPTO_XMR_H
#define TREZOR_CRYPTO_XMR_H
#include "../ed25519_donna/ed25519_donna.h"
#include "../hasher.h"
extern const ge25519 ALIGN(16) xmr_h;
typedef unsigned char xmr_key_t[32];
typedef struct xmr_ctkey {
xmr_key_t dest;
xmr_key_t mask;
} xmr_ctkey_t;
/* sets H point to r */
void ge25519_set_xmr_h(ge25519* r);
/* random scalar value */
void xmr_random_scalar(bignum256modm m);
/* cn_fast_hash */
void xmr_fast_hash(uint8_t* hash, const void* data, size_t length);
/* incremental hashing wrappers */
void xmr_hasher_init(Hasher* hasher);
void xmr_hasher_update(Hasher* hasher, const void* data, size_t length);
void xmr_hasher_final(Hasher* hasher, uint8_t* hash);
void xmr_hasher_copy(Hasher* dst, const Hasher* src);
/* H_s(buffer) */
void xmr_hash_to_scalar(bignum256modm r, const void* data, size_t length);
/* H_p(buffer) */
void xmr_hash_to_ec(ge25519* P, const void* data, size_t length);
/* derivation to scalar value */
void xmr_derivation_to_scalar(bignum256modm s, const ge25519* p, uint32_t output_index);
/* derivation */
void xmr_generate_key_derivation(ge25519* r, const ge25519* A, const bignum256modm b);
/* H_s(derivation || varint(output_index)) + base */
void xmr_derive_private_key(
bignum256modm s,
const ge25519* deriv,
uint32_t idx,
const bignum256modm base);
/* H_s(derivation || varint(output_index))G + base */
void xmr_derive_public_key(ge25519* r, const ge25519* deriv, uint32_t idx, const ge25519* base);
/* aG + bB, G is basepoint */
void xmr_add_keys2(ge25519* r, const bignum256modm a, const bignum256modm b, const ge25519* B);
void xmr_add_keys2_vartime(
ge25519* r,
const bignum256modm a,
const bignum256modm b,
const ge25519* B);
/* aA + bB */
void xmr_add_keys3(
ge25519* r,
const bignum256modm a,
const ge25519* A,
const bignum256modm b,
const ge25519* B);
void xmr_add_keys3_vartime(
ge25519* r,
const bignum256modm a,
const ge25519* A,
const bignum256modm b,
const ge25519* B);
/* subaddress secret */
void xmr_get_subaddress_secret_key(
bignum256modm r,
uint32_t major,
uint32_t minor,
const bignum256modm m);
/* Generates Pedersen commitment C = aG + bH */
void xmr_gen_c(ge25519* r, const bignum256modm a, uint64_t amount);
#endif // TREZOR_CRYPTO_XMR_H
#endif // USE_MONERO