diff options
Diffstat (limited to '')
| -rw-r--r-- | src/crypto/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/crypto/chacha.h | 11 | ||||
| -rw-r--r-- | src/crypto/crypto.cpp | 2 | ||||
| -rw-r--r-- | src/crypto/crypto.h | 21 | ||||
| -rw-r--r-- | src/crypto/crypto_device.cpp | 79 | ||||
| -rw-r--r-- | src/crypto/hash-ops.h | 3 | ||||
| -rw-r--r-- | src/crypto/hash.h | 6 | ||||
| -rw-r--r-- | src/crypto/slow-hash.c | 30 | ||||
| -rw-r--r-- | src/cryptonote_basic/account.cpp | 1 | ||||
| -rw-r--r-- | src/cryptonote_basic/account.h | 1 | ||||
| -rw-r--r-- | src/cryptonote_basic/cryptonote_basic.h | 9 | ||||
| -rw-r--r-- | src/cryptonote_basic/cryptonote_format_utils.cpp | 201 | ||||
| -rw-r--r-- | src/cryptonote_basic/cryptonote_format_utils.h | 15 | ||||
| -rw-r--r-- | src/cryptonote_core/cryptonote_tx_utils.cpp | 21 |
14 files changed, 61 insertions, 341 deletions
diff --git a/src/crypto/CMakeLists.txt b/src/crypto/CMakeLists.txt index 35c099697..71dcedcab 100644 --- a/src/crypto/CMakeLists.txt +++ b/src/crypto/CMakeLists.txt @@ -33,7 +33,6 @@ set(crypto_sources crypto-ops-data.c crypto-ops.c crypto.cpp - crypto_device.cpp groestl.c hash-extra-blake.c hash-extra-groestl.c @@ -78,7 +77,6 @@ monero_add_library(cncrypto target_link_libraries(cncrypto PUBLIC epee - device ${Boost_SYSTEM_LIBRARY} PRIVATE ${EXTRA_LIBRARIES}) diff --git a/src/crypto/chacha.h b/src/crypto/chacha.h index 22da53bd0..7a120931a 100644 --- a/src/crypto/chacha.h +++ b/src/crypto/chacha.h @@ -69,10 +69,17 @@ namespace crypto { chacha20(data, length, key.data(), reinterpret_cast<const uint8_t*>(&iv), cipher); } - inline void generate_chacha_key(const void *data, size_t size, chacha_key& key, int cn_variant = 0, bool prehashed=false) { + inline void generate_chacha_key(const void *data, size_t size, chacha_key& key) { static_assert(sizeof(chacha_key) <= sizeof(hash), "Size of hash must be at least that of chacha_key"); tools::scrubbed_arr<char, HASH_SIZE> pwd_hash; - crypto::cn_slow_hash_pre(data, size, pwd_hash.data(), cn_variant, prehashed); + crypto::cn_slow_hash(data, size, pwd_hash.data(), 0/*variant*/, 0/*prehashed*/); + memcpy(&key, pwd_hash.data(), sizeof(key)); + } + + inline void generate_chacha_key_prehashed(const void *data, size_t size, chacha_key& key) { + static_assert(sizeof(chacha_key) <= sizeof(hash), "Size of hash must be at least that of chacha_key"); + tools::scrubbed_arr<char, HASH_SIZE> pwd_hash; + crypto::cn_slow_hash(data, size, pwd_hash.data(), 0/*variant*/, 1/*prehashed*/); memcpy(&key, pwd_hash.data(), sizeof(key)); } diff --git a/src/crypto/crypto.cpp b/src/crypto/crypto.cpp index 0c70b9eeb..494027560 100644 --- a/src/crypto/crypto.cpp +++ b/src/crypto/crypto.cpp @@ -436,7 +436,7 @@ namespace crypto { return sc_isnonzero(&c2) == 0; } - void crypto_ops::hash_to_ec(const public_key &key, ge_p3 &res) { + static void hash_to_ec(const public_key &key, ge_p3 &res) { hash h; ge_p2 point; ge_p1p1 point2; diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h index 75b333473..81ebfb9e2 100644 --- a/src/crypto/crypto.h +++ b/src/crypto/crypto.h @@ -46,10 +46,6 @@ #include "hex.h" #include "span.h" #include "hash.h" -#include "device/device_declare.hpp" -extern "C" { - #include "crypto-ops.h" -} namespace crypto { @@ -117,9 +113,6 @@ namespace crypto { void operator=(const crypto_ops &); ~crypto_ops(); - static void hash_to_ec(const public_key &key, ge_p3 &res) ; - friend void hash_to_ec(const public_key &key, ge_p3 &res) ; - static secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key = secret_key(), bool recover = false); friend secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key, bool recover); static bool check_key(const public_key &); @@ -156,17 +149,6 @@ namespace crypto { const public_key *const *, std::size_t, const signature *); }; - secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key, bool recover, hw::device &hwdev); - secret_key generate_keys(public_key &pub, secret_key &sec, hw::device &hwdev); - bool secret_key_to_public_key(const secret_key &sec, public_key &pub, hw::device &hwdev); - bool generate_key_derivation(const public_key &key1, const secret_key &key2, key_derivation &derivation, hw::device &hwdev); - void derivation_to_scalar(const key_derivation &derivation, size_t output_index, ec_scalar &res, hw::device &hwdev) ; - bool derive_public_key(const key_derivation &derivation, size_t output_index, const public_key &base, public_key &derived_key, hw::device &hwdev); - void derive_secret_key(const key_derivation &derivation, size_t output_index, const secret_key &base, secret_key &derived_key, hw::device &hwdev); - bool derive_subaddress_public_key(const public_key &out_key, const key_derivation &derivation, std::size_t output_index, public_key &derived_key, hw::device &hwdev); - void generate_key_image(const public_key &pub, const secret_key &sec, key_image &image, hw::device &hwdev); - - /* Generate N random bytes */ inline void rand(size_t N, uint8_t *bytes) { @@ -184,9 +166,6 @@ namespace crypto { return res; } - inline void hash_to_ec(const public_key &key, ge_p3 &res) { - crypto_ops::hash_to_ec(key,res); - } /* Generate a new key pair */ inline secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key = secret_key(), bool recover = false) { diff --git a/src/crypto/crypto_device.cpp b/src/crypto/crypto_device.cpp deleted file mode 100644 index 5536857c8..000000000 --- a/src/crypto/crypto_device.cpp +++ /dev/null @@ -1,79 +0,0 @@ -// Copyright (c) 2014-2018, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// - - -#include "crypto.h" -#include "device/device.hpp" -#include "device/log.hpp" - -namespace crypto { - - secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key, bool recover, hw::device &hwdev) { - secret_key rng; - hwdev.generate_keys(pub, sec, recovery_key, recover, rng); - return rng; - } - - secret_key generate_keys(public_key &pub, secret_key &sec, hw::device &hwdev) { - secret_key rng; - hwdev.generate_keys(pub, sec, secret_key(), false, rng); - return rng; - } - - - bool secret_key_to_public_key(const secret_key &sec, public_key &pub, hw::device &hwdev) { - return hwdev.secret_key_to_public_key(sec, pub); - } - - bool generate_key_derivation(const public_key &key1, const secret_key &key2, key_derivation &derivation, hw::device &hwdev) { - return hwdev.generate_key_derivation(key1, key2, derivation); - } - - void derivation_to_scalar(const key_derivation &derivation, size_t output_index, ec_scalar &res, hw::device &hwdev) { - hwdev.derivation_to_scalar(derivation, output_index, res); - } - - bool derive_public_key(const key_derivation &derivation, size_t output_index, - const public_key &base, public_key &derived_key, hw::device &hwdev) { - return hwdev.derive_public_key(derivation, output_index, base, derived_key); - } - - void derive_secret_key(const key_derivation &derivation, size_t output_index, - const secret_key &base, secret_key &derived_key, hw::device &hwdev) { - hwdev.derive_secret_key(derivation, output_index, base, derived_key); - } - - bool derive_subaddress_public_key(const public_key &out_key, const key_derivation &derivation, std::size_t output_index, public_key &derived_key, hw::device &hwdev) { - return hwdev.derive_subaddress_public_key(out_key, derivation, output_index, derived_key); - } - - void generate_key_image(const public_key &pub, const secret_key &sec, key_image &image, hw::device &hwdev) { - hwdev.generate_key_image(pub,sec,image); - } -}
\ No newline at end of file diff --git a/src/crypto/hash-ops.h b/src/crypto/hash-ops.h index 934d464de..d77d55cf3 100644 --- a/src/crypto/hash-ops.h +++ b/src/crypto/hash-ops.h @@ -79,8 +79,7 @@ enum { }; void cn_fast_hash(const void *data, size_t length, char *hash); -void cn_slow_hash(const void *data, size_t length, char *hash, int variant); -void cn_slow_hash_pre(const void *data, size_t length, char *hash, int variant, bool pre); +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed); void hash_extra_blake(const void *data, size_t length, char *hash); void hash_extra_groestl(const void *data, size_t length, char *hash); diff --git a/src/crypto/hash.h b/src/crypto/hash.h index bf4f4c096..995e2294e 100644 --- a/src/crypto/hash.h +++ b/src/crypto/hash.h @@ -72,7 +72,11 @@ namespace crypto { } inline void cn_slow_hash(const void *data, std::size_t length, hash &hash, int variant = 0) { - cn_slow_hash(data, length, reinterpret_cast<char *>(&hash), variant); + cn_slow_hash(data, length, reinterpret_cast<char *>(&hash), variant, 0/*prehashed*/); + } + + inline void cn_slow_hash_prehashed(const void *data, std::size_t length, hash &hash, int variant = 0) { + cn_slow_hash(data, length, reinterpret_cast<char *>(&hash), variant, 1/*prehashed*/); } inline void tree_hash(const hash *hashes, std::size_t count, hash &root_hash) { diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index 8c7dad8e0..d7dcbd274 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -564,11 +564,7 @@ void slow_hash_free_state(void) * @param length the length in bytes of the data * @param hash a pointer to a buffer in which the final 256 bit hash will be stored */ -void cn_slow_hash(const void *data, size_t length, char *hash, int variant) { - cn_slow_hash_pre(data,length,hash,variant,false); -} - -void cn_slow_hash_pre(const void *data, size_t length, char *hash, int variant, bool prehashed) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { RDATA_ALIGN16 uint8_t expandedKey[240]; /* These buffers are aligned to use later with SSE functions */ @@ -909,7 +905,7 @@ STATIC INLINE void aes_pseudo_round_xor(const uint8_t *in, uint8_t *out, const u } } -void cn_slow_hash(const void *data, size_t length, char *hash, int variant) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { RDATA_ALIGN16 uint8_t expandedKey[240]; RDATA_ALIGN16 uint8_t hp_state[MEMORY]; @@ -932,7 +928,11 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant) /* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the data. */ - hash_process(&state.hs, data, length); + if (prehashed) { + memcpy(&state.hs, data, length); + } else { + hash_process(&state.hs, data, length); + } memcpy(text, state.init, INIT_SIZE_BYTE); VARIANT1_INIT64(); @@ -1105,7 +1105,7 @@ STATIC INLINE void xor_blocks(uint8_t* a, const uint8_t* b) U64(a)[1] ^= U64(b)[1]; } -void cn_slow_hash(const void *data, size_t length, char *hash, int variant) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { uint8_t text[INIT_SIZE_BYTE]; uint8_t a[AES_BLOCK_SIZE]; @@ -1131,7 +1131,11 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant) long_state = (uint8_t *)malloc(MEMORY); #endif - hash_process(&state.hs, data, length); + if (prehashed) { + memcpy(&state.hs, data, length); + } else { + hash_process(&state.hs, data, length); + } memcpy(text, state.init, INIT_SIZE_BYTE); VARIANT1_INIT64(); @@ -1289,7 +1293,7 @@ union cn_slow_hash_state { }; #pragma pack(pop) -void cn_slow_hash(const void *data, size_t length, char *hash, int variant) { +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { uint8_t long_state[MEMORY]; union cn_slow_hash_state state; uint8_t text[INIT_SIZE_BYTE]; @@ -1301,7 +1305,11 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant) { uint8_t aes_key[AES_KEY_SIZE]; oaes_ctx *aes_ctx; - hash_process(&state.hs, data, length); + if (prehashed) { + memcpy(&state.hs, data, length); + } else { + hash_process(&state.hs, data, length); + } memcpy(text, state.init, INIT_SIZE_BYTE); memcpy(aes_key, state.hs.b, AES_KEY_SIZE); aes_ctx = (oaes_ctx *) oaes_alloc(); diff --git a/src/cryptonote_basic/account.cpp b/src/cryptonote_basic/account.cpp index 70f7533ea..bab991d19 100644 --- a/src/cryptonote_basic/account.cpp +++ b/src/cryptonote_basic/account.cpp @@ -40,7 +40,6 @@ extern "C" } #include "cryptonote_basic_impl.h" #include "cryptonote_format_utils.h" -#include "device/device.hpp" #undef MONERO_DEFAULT_LOG_CATEGORY #define MONERO_DEFAULT_LOG_CATEGORY "account" diff --git a/src/cryptonote_basic/account.h b/src/cryptonote_basic/account.h index b5d6ed85d..b5d119c46 100644 --- a/src/cryptonote_basic/account.h +++ b/src/cryptonote_basic/account.h @@ -33,7 +33,6 @@ #include "cryptonote_basic.h" #include "crypto/crypto.h" #include "serialization/keyvalue_serialization.h" -#include "device/device_declare.hpp" namespace cryptonote { diff --git a/src/cryptonote_basic/cryptonote_basic.h b/src/cryptonote_basic/cryptonote_basic.h index 4c5f32a09..d4558ef7b 100644 --- a/src/cryptonote_basic/cryptonote_basic.h +++ b/src/cryptonote_basic/cryptonote_basic.h @@ -49,6 +49,7 @@ #include "misc_language.h" #include "tx_extra.h" #include "ringct/rctTypes.h" +#include "device/device.hpp" namespace cryptonote { @@ -428,16 +429,10 @@ namespace cryptonote crypto::public_key pub; crypto::secret_key sec; - static inline keypair generate() - { - keypair k; - generate_keys(k.pub, k.sec); - return k; - } static inline keypair generate(hw::device &hwdev) { keypair k; - generate_keys(k.pub, k.sec, hwdev); + hwdev.generate_keys(k.pub, k.sec); return k; } }; diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp index a10772424..ae7c1c0ae 100644 --- a/src/cryptonote_basic/cryptonote_format_utils.cpp +++ b/src/cryptonote_basic/cryptonote_format_utils.cpp @@ -41,8 +41,6 @@ using namespace epee; #include "crypto/crypto.h" #include "crypto/hash.h" #include "ringct/rctSigs.h" -#include "device/device.hpp" -#include "device/log.hpp" #undef MONERO_DEFAULT_LOG_CATEGORY #define MONERO_DEFAULT_LOG_CATEGORY "cn" @@ -106,16 +104,6 @@ namespace cryptonote ge_p1p1_to_p3(&A2, &tmp3); ge_p3_tobytes(&AB, &A2); } - - // a copy of rct::scalarmultKey, since we can't link to libringct to avoid circular dependencies - static void secret_key_mult_public_key(crypto::public_key & aP, const crypto::public_key &P, const crypto::secret_key &a) { - ge_p3 A; - ge_p2 R; - //CHECK_AND_ASSERT_THROW_MES_L1(ge_frombytes_vartime(&A, P.bytes) == 0, "ge_frombytes_vartime failed at "+boost::lexical_cast<std::string>(__LINE__)); - ge_frombytes_vartime(&A, (const unsigned char*)P.data); - ge_scalarmult(&R, (const unsigned char*)a.data, &A); - ge_tobytes((unsigned char*)aP.data, &R); - } } namespace cryptonote @@ -172,83 +160,17 @@ namespace cryptonote return true; } //--------------------------------------------------------------- - crypto::secret_key get_subaddress_secret_key(const crypto::secret_key& a, const subaddress_index& index) - { - const char prefix[] = "SubAddr"; - char data[sizeof(prefix) + sizeof(crypto::secret_key) + sizeof(subaddress_index)]; - memcpy(data, prefix, sizeof(prefix)); - memcpy(data + sizeof(prefix), &a, sizeof(crypto::secret_key)); - memcpy(data + sizeof(prefix) + sizeof(crypto::secret_key), &index, sizeof(subaddress_index)); - crypto::secret_key m; - crypto::hash_to_scalar(data, sizeof(data), m); - return m; - } - crypto::secret_key get_subaddress_secret_key(const crypto::secret_key& a, const subaddress_index& index, hw::device &hwdev) - { - crypto::secret_key m; - hwdev.get_subaddress_secret_key(a, index, m); - return m; - } - - //--------------------------------------------------------------- - std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end) - { - CHECK_AND_ASSERT_THROW_MES(begin <= end, "begin > end"); - - std::vector<crypto::public_key> pkeys; - pkeys.reserve(end - begin); - cryptonote::subaddress_index index = {account, begin}; - - ge_p3 p3; - ge_cached cached; - CHECK_AND_ASSERT_THROW_MES(ge_frombytes_vartime(&p3, (const unsigned char*)keys.m_account_address.m_spend_public_key.data) == 0, - "ge_frombytes_vartime failed to convert spend public key"); - ge_p3_to_cached(&cached, &p3); - - for (uint32_t idx = begin; idx < end; ++idx) - { - index.minor = idx; - if (index.is_zero()) - { - pkeys.push_back(keys.m_account_address.m_spend_public_key); - continue; - } - const crypto::secret_key m = cryptonote::get_subaddress_secret_key(keys.m_view_secret_key, index); - - // M = m*G - ge_scalarmult_base(&p3, (const unsigned char*)m.data); - - // D = B + M - crypto::public_key D; - ge_p1p1 p1p1; - ge_add(&p1p1, &p3, &cached); - ge_p1p1_to_p3(&p3, &p1p1); - ge_p3_tobytes((unsigned char*)D.data, &p3); - - pkeys.push_back(D); - } - return pkeys; - } - - std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end, hw::device &hwdev) - { - std::vector<crypto::public_key> pkeys; - hwdev.get_subaddress_spend_public_keys(keys, account, begin, end, pkeys); - return pkeys; - } - - //--------------------------------------------------------------- bool generate_key_image_helper(const account_keys& ack, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, const crypto::public_key& out_key, const crypto::public_key& tx_public_key, const std::vector<crypto::public_key>& additional_tx_public_keys, size_t real_output_index, keypair& in_ephemeral, crypto::key_image& ki, hw::device &hwdev) { crypto::key_derivation recv_derivation = AUTO_VAL_INIT(recv_derivation); - bool r = crypto::generate_key_derivation(tx_public_key, ack.m_view_secret_key, recv_derivation, hwdev); + bool r = hwdev.generate_key_derivation(tx_public_key, ack.m_view_secret_key, recv_derivation); CHECK_AND_ASSERT_MES(r, false, "key image helper: failed to generate_key_derivation(" << tx_public_key << ", " << ack.m_view_secret_key << ")"); std::vector<crypto::key_derivation> additional_recv_derivations; for (size_t i = 0; i < additional_tx_public_keys.size(); ++i) { crypto::key_derivation additional_recv_derivation = AUTO_VAL_INIT(additional_recv_derivation); - r = crypto::generate_key_derivation(additional_tx_public_keys[i], ack.m_view_secret_key, additional_recv_derivation, hwdev); + r = hwdev.generate_key_derivation(additional_tx_public_keys[i], ack.m_view_secret_key, additional_recv_derivation); CHECK_AND_ASSERT_MES(r, false, "key image helper: failed to generate_key_derivation(" << additional_tx_public_keys[i] << ", " << ack.m_view_secret_key << ")"); additional_recv_derivations.push_back(additional_recv_derivation); } @@ -271,7 +193,7 @@ namespace cryptonote { // derive secret key with subaddress - step 1: original CN derivation crypto::secret_key scalar_step1; - crypto::derive_secret_key(recv_derivation, real_output_index, ack.m_spend_secret_key, scalar_step1, hwdev); // computes Hs(a*R || idx) + b + hwdev.derive_secret_key(recv_derivation, real_output_index, ack.m_spend_secret_key, scalar_step1); // computes Hs(a*R || idx) + b // step 2: add Hs(a || index_major || index_minor) crypto::secret_key subaddr_sk; @@ -282,7 +204,7 @@ namespace cryptonote } else { - hwdev.get_subaddress_secret_key(ack.m_view_secret_key, received_index, subaddr_sk); + subaddr_sk = hwdev.get_subaddress_secret_key(ack.m_view_secret_key, received_index); hwdev.sc_secret_add(scalar_step2, scalar_step1,subaddr_sk); } @@ -291,17 +213,17 @@ namespace cryptonote if (ack.m_multisig_keys.empty()) { // when not in multisig, we know the full spend secret key, so the output pubkey can be obtained by scalarmultBase - CHECK_AND_ASSERT_MES(crypto::secret_key_to_public_key(in_ephemeral.sec, in_ephemeral.pub, hwdev), false, "Failed to derive public key"); + CHECK_AND_ASSERT_MES(hwdev.secret_key_to_public_key(in_ephemeral.sec, in_ephemeral.pub), false, "Failed to derive public key"); } else { // when in multisig, we only know the partial spend secret key. but we do know the full spend public key, so the output pubkey can be obtained by using the standard CN key derivation - CHECK_AND_ASSERT_MES(crypto::derive_public_key(recv_derivation, real_output_index, ack.m_account_address.m_spend_public_key, in_ephemeral.pub, hwdev), false, "Failed to derive public key"); + CHECK_AND_ASSERT_MES(hwdev.derive_public_key(recv_derivation, real_output_index, ack.m_account_address.m_spend_public_key, in_ephemeral.pub), false, "Failed to derive public key"); // and don't forget to add the contribution from the subaddress part if (!received_index.is_zero()) { crypto::public_key subaddr_pk; - CHECK_AND_ASSERT_MES(crypto::secret_key_to_public_key(subaddr_sk, subaddr_pk, hwdev), false, "Failed to derive public key"); + CHECK_AND_ASSERT_MES(hwdev.secret_key_to_public_key(subaddr_sk, subaddr_pk), false, "Failed to derive public key"); add_public_key(in_ephemeral.pub, in_ephemeral.pub, subaddr_pk); } } @@ -310,7 +232,7 @@ namespace cryptonote false, "key image helper precomp: given output pubkey doesn't match the derived one"); } - crypto::generate_key_image(in_ephemeral.pub, in_ephemeral.sec, ki, hwdev); + hwdev.generate_key_image(in_ephemeral.pub, in_ephemeral.sec, ki); return true; } //--------------------------------------------------------------- @@ -574,41 +496,6 @@ namespace cryptonote return true; } //--------------------------------------------------------------- - bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) - { - crypto::key_derivation derivation; - crypto::hash hash; - char data[33]; /* A hash, and an extra byte */ - - if (!generate_key_derivation(public_key, secret_key, derivation)) - return false; - - memcpy(data, &derivation, 32); - data[32] = ENCRYPTED_PAYMENT_ID_TAIL; - cn_fast_hash(data, 33, hash); - - for (size_t b = 0; b < 8; ++b) - payment_id.data[b] ^= hash.data[b]; - - return true; - } - bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) - { - // Encryption and decryption are the same operation (xor with a key) - return encrypt_payment_id(payment_id, public_key, secret_key); - } - - //--------------------------------------------------------------- - bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key,hw::device &hwdev) - { - return hwdev.encrypt_payment_id(public_key, secret_key, payment_id); - } - bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key, hw::device &hwdev) - { - // Encryption and decryption are the same operation (xor with a key) - return encrypt_payment_id(payment_id, public_key, secret_key, hwdev); - } - //--------------------------------------------------------------- bool get_inputs_money_amount(const transaction& tx, uint64_t& money) { money = 0; @@ -708,10 +595,10 @@ namespace cryptonote bool is_out_to_acc(const account_keys& acc, const txout_to_key& out_key, const crypto::public_key& tx_pub_key, const std::vector<crypto::public_key>& additional_tx_pub_keys, size_t output_index) { crypto::key_derivation derivation; - bool r = generate_key_derivation(tx_pub_key, acc.m_view_secret_key, derivation, acc.get_device()); + bool r = acc.get_device().generate_key_derivation(tx_pub_key, acc.m_view_secret_key, derivation); CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation"); crypto::public_key pk; - r = derive_public_key(derivation, output_index, acc.m_account_address.m_spend_public_key, pk, acc.get_device()); + r = acc.get_device().derive_public_key(derivation, output_index, acc.m_account_address.m_spend_public_key, pk); CHECK_AND_ASSERT_MES(r, false, "Failed to derive public key"); if (pk == out_key.key) return true; @@ -719,9 +606,9 @@ namespace cryptonote if (!additional_tx_pub_keys.empty()) { CHECK_AND_ASSERT_MES(output_index < additional_tx_pub_keys.size(), false, "wrong number of additional tx pubkeys"); - r = generate_key_derivation(additional_tx_pub_keys[output_index], acc.m_view_secret_key, derivation, acc.get_device()); + r = acc.get_device().generate_key_derivation(additional_tx_pub_keys[output_index], acc.m_view_secret_key, derivation); CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation"); - r = derive_public_key(derivation, output_index, acc.m_account_address.m_spend_public_key, pk, acc.get_device()); + r = acc.get_device().derive_public_key(derivation, output_index, acc.m_account_address.m_spend_public_key, pk); CHECK_AND_ASSERT_MES(r, false, "Failed to derive public key"); return pk == out_key.key; } @@ -732,7 +619,7 @@ namespace cryptonote { // try the shared tx pubkey crypto::public_key subaddress_spendkey; - derive_subaddress_public_key(out_key, derivation, output_index, subaddress_spendkey,hwdev); + hwdev.derive_subaddress_public_key(out_key, derivation, output_index, subaddress_spendkey); auto found = subaddresses.find(subaddress_spendkey); if (found != subaddresses.end()) return subaddress_receive_info{ found->second, derivation }; @@ -740,7 +627,7 @@ namespace cryptonote if (!additional_derivations.empty()) { CHECK_AND_ASSERT_MES(output_index < additional_derivations.size(), boost::none, "wrong number of additional derivations"); - derive_subaddress_public_key(out_key, additional_derivations[output_index], output_index, subaddress_spendkey, hwdev); + hwdev.derive_subaddress_public_key(out_key, additional_derivations[output_index], output_index, subaddress_spendkey); found = subaddresses.find(subaddress_spendkey); if (found != subaddresses.end()) return subaddress_receive_info{ found->second, additional_derivations[output_index] }; @@ -1140,64 +1027,4 @@ namespace cryptonote sc_sub((unsigned char*)key.data, (const unsigned char*)key.data, (const unsigned char*)hash.data); return key; } - - //--------------------------------------------------------------- - #define CHACHA8_KEY_TAIL 0x8c - bool generate_chacha_key_from_secret_keys(const account_keys &keys, crypto::chacha_key &key) - { - const crypto::secret_key &view_key = keys.m_view_secret_key; - const crypto::secret_key &spend_key = keys.m_spend_secret_key; - tools::scrubbed_arr<char, sizeof(view_key) + sizeof(spend_key) + 1> data; - memcpy(data.data(), &view_key, sizeof(view_key)); - memcpy(data.data() + sizeof(view_key), &spend_key, sizeof(spend_key)); - data[sizeof(data) - 1] = CHACHA8_KEY_TAIL; - crypto::generate_chacha_key(data.data(), sizeof(data), key); - return true; - } - - //--------------------------------------------------------------- - crypto::public_key get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) - { - if (index.is_zero()) - return keys.m_account_address.m_spend_public_key; - - // m = Hs(a || index_major || index_minor) - crypto::secret_key m = cryptonote::get_subaddress_secret_key(keys.m_view_secret_key, index); - - // M = m*G - crypto::public_key M; - crypto::secret_key_to_public_key(m, M); - - // D = B + M - crypto::public_key D; - add_public_key(D, keys.m_account_address.m_spend_public_key, M); // could have defined add_public_key() under src/crypto - return D; - } - - //--------------------------------------------------------------- - cryptonote::account_public_address get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) - { - if (index.is_zero()) - return keys.m_account_address; - - crypto::public_key D = get_subaddress_spend_public_key(keys, index); - - // C = a*D - crypto::public_key C; - secret_key_mult_public_key(C, D, keys.m_view_secret_key); // could have defined secret_key_mult_public_key() under src/crypto - - // result: (C, D) - cryptonote::account_public_address address; - address.m_view_public_key = C; - address.m_spend_public_key = D; - return address; - } - - //--------------------------------------------------------------- - bool verify_keys(const crypto::secret_key& sec, const crypto::public_key& expected_pub) - { - crypto::public_key pub; - bool r = crypto::secret_key_to_public_key(sec, pub); - return r && expected_pub == pub; - } } diff --git a/src/cryptonote_basic/cryptonote_format_utils.h b/src/cryptonote_basic/cryptonote_format_utils.h index 7bd34ea87..79466e9c4 100644 --- a/src/cryptonote_basic/cryptonote_format_utils.h +++ b/src/cryptonote_basic/cryptonote_format_utils.h @@ -37,7 +37,6 @@ #include "crypto/crypto.h" #include "crypto/hash.h" #include <unordered_map> -#include "device/device_declare.hpp" namespace epee { @@ -52,10 +51,6 @@ namespace cryptonote bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash); bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx); bool parse_and_validate_tx_base_from_blob(const blobdata& tx_blob, transaction& tx); - bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key); - bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key, hw::device &hwdev); - bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key); - bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key, hw::device &hwdev); template<typename T> bool find_tx_extra_field_by_type(const std::vector<tx_extra_field>& tx_extra_fields, T& field, size_t index = 0) @@ -95,10 +90,6 @@ namespace cryptonote bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered); bool get_tx_fee(const transaction& tx, uint64_t & fee); uint64_t get_tx_fee(const transaction& tx); - crypto::secret_key get_subaddress_secret_key(const crypto::secret_key& a, const subaddress_index& index); - crypto::secret_key get_subaddress_secret_key(const crypto::secret_key& a, const subaddress_index& index, hw::device &hwdev); - std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end); - std::vector<crypto::public_key> get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end, hw::device &hwdev); bool generate_key_image_helper(const account_keys& ack, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, const crypto::public_key& out_key, const crypto::public_key& tx_public_key, const std::vector<crypto::public_key>& additional_tx_public_keys, size_t real_output_index, keypair& in_ephemeral, crypto::key_image& ki, hw::device &hwdev); bool generate_key_image_helper_precomp(const account_keys& ack, const crypto::public_key& out_key, const crypto::key_derivation& recv_derivation, size_t real_output_index, const subaddress_index& received_index, keypair& in_ephemeral, crypto::key_image& ki, hw::device &hwdev); void get_blob_hash(const blobdata& blob, crypto::hash& res); @@ -242,10 +233,4 @@ namespace cryptonote #define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \ CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \ specific_type& variable_name = boost::get<specific_type>(variant_var); - - cryptonote::account_public_address get_subaddress(const cryptonote::account_keys &keys, const cryptonote::subaddress_index& index); - crypto::public_key get_subaddress_spend_public_key(const cryptonote::account_keys &keys, const cryptonote::subaddress_index& index); - bool generate_chacha_key_from_secret_keys(const cryptonote::account_keys &keys, crypto::chacha_key &key); - bool verify_keys(const crypto::secret_key& sec, const crypto::public_key& expected_pub); - } diff --git a/src/cryptonote_core/cryptonote_tx_utils.cpp b/src/cryptonote_core/cryptonote_tx_utils.cpp index df98feb5a..db4ab9e11 100644 --- a/src/cryptonote_core/cryptonote_tx_utils.cpp +++ b/src/cryptonote_core/cryptonote_tx_utils.cpp @@ -41,7 +41,6 @@ using namespace epee; #include "crypto/hash.h" #include "ringct/rctSigs.h" #include "multisig/multisig.h" -#include "device/device.hpp" using namespace crypto; @@ -79,7 +78,7 @@ namespace cryptonote tx.vout.clear(); tx.extra.clear(); - keypair txkey = keypair::generate(); + keypair txkey = keypair::generate(hw::get_device("default")); add_tx_pub_key_to_extra(tx, txkey.pub); if(!extra_nonce.empty()) if(!add_extra_nonce_to_tx_extra(tx.extra, extra_nonce)) @@ -237,7 +236,7 @@ namespace cryptonote return false; } - if (!encrypt_payment_id(payment_id, view_key_pub, tx_key, hwdev)) + if (!hwdev.encrypt_payment_id(payment_id, view_key_pub, tx_key)) { LOG_ERROR("Failed to encrypt payment id"); return false; @@ -343,11 +342,11 @@ namespace cryptonote // if this is a single-destination transfer to a subaddress, we set the tx pubkey to R=s*D if (num_stdaddresses == 0 && num_subaddresses == 1) { - txkey_pub = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(single_dest_subaddress.m_spend_public_key), rct::sk2rct(tx_key), hwdev)); + txkey_pub = rct::rct2pk(hwdev.scalarmultKey(rct::pk2rct(single_dest_subaddress.m_spend_public_key), rct::sk2rct(tx_key))); } else { - txkey_pub = rct::rct2pk(rct::scalarmultBase(rct::sk2rct(tx_key), hwdev)); + txkey_pub = rct::rct2pk(hwdev.scalarmultBase(rct::sk2rct(tx_key))); } remove_field_from_tx_extra(tx.extra, typeid(tx_extra_pub_key)); add_tx_pub_key_to_extra(tx, txkey_pub); @@ -376,22 +375,22 @@ namespace cryptonote { additional_txkey.sec = additional_tx_keys[output_index]; if (dst_entr.is_subaddress) - additional_txkey.pub = rct::rct2pk(rct::scalarmultKey(rct::pk2rct(dst_entr.addr.m_spend_public_key), rct::sk2rct(additional_txkey.sec),hwdev)); + additional_txkey.pub = rct::rct2pk(hwdev.scalarmultKey(rct::pk2rct(dst_entr.addr.m_spend_public_key), rct::sk2rct(additional_txkey.sec))); else - additional_txkey.pub = rct::rct2pk(rct::scalarmultBase(rct::sk2rct(additional_txkey.sec), hwdev)); + additional_txkey.pub = rct::rct2pk(hwdev.scalarmultBase(rct::sk2rct(additional_txkey.sec))); } bool r; if (change_addr && dst_entr.addr == *change_addr) { // sending change to yourself; derivation = a*R - r = crypto::generate_key_derivation(txkey_pub, sender_account_keys.m_view_secret_key, derivation, hwdev); + r = hwdev.generate_key_derivation(txkey_pub, sender_account_keys.m_view_secret_key, derivation); CHECK_AND_ASSERT_MES(r, false, "at creation outs: failed to generate_key_derivation(" << txkey_pub << ", " << sender_account_keys.m_view_secret_key << ")"); } else { // sending to the recipient; derivation = r*A (or s*C in the subaddress scheme) - r = crypto::generate_key_derivation(dst_entr.addr.m_view_public_key, dst_entr.is_subaddress && need_additional_txkeys ? additional_txkey.sec : tx_key, derivation, hwdev); + r = hwdev.generate_key_derivation(dst_entr.addr.m_view_public_key, dst_entr.is_subaddress && need_additional_txkeys ? additional_txkey.sec : tx_key, derivation); CHECK_AND_ASSERT_MES(r, false, "at creation outs: failed to generate_key_derivation(" << dst_entr.addr.m_view_public_key << ", " << (dst_entr.is_subaddress && need_additional_txkeys ? additional_txkey.sec : tx_key) << ")"); } @@ -403,10 +402,10 @@ namespace cryptonote if (tx.version > 1) { crypto::secret_key scalar1; - crypto::derivation_to_scalar(derivation, output_index, scalar1, hwdev); + hwdev.derivation_to_scalar(derivation, output_index, scalar1); amount_keys.push_back(rct::sk2rct(scalar1)); } - r = crypto::derive_public_key(derivation, output_index, dst_entr.addr.m_spend_public_key, out_eph_public_key, hwdev); + r = hwdev.derive_public_key(derivation, output_index, dst_entr.addr.m_spend_public_key, out_eph_public_key); CHECK_AND_ASSERT_MES(r, false, "at creation outs: failed to derive_public_key(" << derivation << ", " << output_index << ", "<< dst_entr.addr.m_spend_public_key << ")"); hwdev.add_output_key_mapping(dst_entr.addr.m_view_public_key, dst_entr.addr.m_spend_public_key, dst_entr.is_subaddress, output_index, amount_keys.back(), out_eph_public_key); |