2018-07-05 00:10:34 +00:00
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//
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// Created by Dusan Klinec on 10/05/2018.
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//
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#ifndef TREZOR_CRYPTO_XMR_H
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#define TREZOR_CRYPTO_XMR_H
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2018-09-03 14:21:41 +00:00
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#include "ed25519-donna/ed25519-donna.h"
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2018-07-05 00:10:34 +00:00
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#include "hasher.h"
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extern const ge25519 ALIGN(16) xmr_h;
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typedef unsigned char xmr_key_t[32];
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typedef struct xmr_ctkey {
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xmr_key_t dest;
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xmr_key_t mask;
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} xmr_ctkey_t;
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/* sets H point to r */
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void ge25519_set_xmr_h(ge25519 *r);
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/* random scalar value */
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void xmr_random_scalar(bignum256modm m);
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/* cn_fast_hash */
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void xmr_fast_hash(uint8_t * hash, const void *data, size_t length);
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/* incremental hashing wrappers */
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void xmr_hasher_init(Hasher * hasher);
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void xmr_hasher_update(Hasher * hasher, const void *data, size_t length);
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void xmr_hasher_final(Hasher * hasher, uint8_t * hash);
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void xmr_hasher_copy(Hasher * dst, const Hasher * src);
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/* H_s(buffer) */
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void xmr_hash_to_scalar(bignum256modm r, const void *data, size_t length);
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/* H_p(buffer) */
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void xmr_hash_to_ec(ge25519 *P, const void *data, size_t length);
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/* derivation to scalar value */
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void xmr_derivation_to_scalar(bignum256modm s, const ge25519 * p, uint32_t output_index);
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/* derivation */
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void xmr_generate_key_derivation(ge25519 * r, const ge25519 * A, const bignum256modm b);
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/* H_s(derivation || varint(output_index)) + base */
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void xmr_derive_private_key(bignum256modm s, const ge25519 * deriv, uint32_t idx, const bignum256modm base);
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/* H_s(derivation || varint(output_index))G + base */
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void xmr_derive_public_key(ge25519 * r, const ge25519 * deriv, uint32_t idx, const ge25519 * base);
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/* aG + bB, G is basepoint */
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void xmr_add_keys2(ge25519 * r, const bignum256modm a, const bignum256modm b, const ge25519 * B);
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void xmr_add_keys2_vartime(ge25519 * r, const bignum256modm a, const bignum256modm b, const ge25519 * B);
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/* aA + bB */
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void xmr_add_keys3(ge25519 * r, const bignum256modm a, const ge25519 * A, const bignum256modm b, const ge25519 * B);
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void xmr_add_keys3_vartime(ge25519 * r, const bignum256modm a, const ge25519 * A, const bignum256modm b, const ge25519 * B);
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/* subaddress secret */
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void xmr_get_subaddress_secret_key(bignum256modm r, uint32_t major, uint32_t minor, const bignum256modm m);
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/* Generates Pedersen commitment C = aG + bH */
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void xmr_gen_c(ge25519 * r, const bignum256modm a, uint64_t amount);
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#endif //TREZOR_CRYPTO_XMR_H
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