diff options
Diffstat (limited to 'src/wallet')
-rw-r--r-- | src/wallet/api/wallet.cpp | 4 | ||||
-rw-r--r-- | src/wallet/wallet2.cpp | 101 | ||||
-rw-r--r-- | src/wallet/wallet2.h | 6 | ||||
-rw-r--r-- | src/wallet/wallet_rpc_server.cpp | 27 | ||||
-rw-r--r-- | src/wallet/wallet_rpc_server_commands_defs.h | 8 | ||||
-rw-r--r-- | src/wallet/wallet_rpc_server_error_codes.h | 1 |
6 files changed, 122 insertions, 25 deletions
diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp index e00f9d2e9..152a7dcd7 100644 --- a/src/wallet/api/wallet.cpp +++ b/src/wallet/api/wallet.cpp @@ -1998,7 +1998,7 @@ bool WalletImpl::checkReserveProof(const std::string &address, const std::string std::string WalletImpl::signMessage(const std::string &message) { - return m_wallet->sign(message); + return m_wallet->sign(message, tools::wallet2::sign_with_spend_key); } bool WalletImpl::verifySignedMessage(const std::string &message, const std::string &address, const std::string &signature) const @@ -2008,7 +2008,7 @@ bool WalletImpl::verifySignedMessage(const std::string &message, const std::stri if (!cryptonote::get_account_address_from_str(info, m_wallet->nettype(), address)) return false; - return m_wallet->verify(message, info.address, signature); + return m_wallet->verify(message, info.address, signature).valid; } std::string WalletImpl::signMultisigParticipant(const std::string &message) const diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 31aaaddea..653b4da12 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -12207,51 +12207,114 @@ void wallet2::set_account_tag_description(const std::string& tag, const std::str m_account_tags.first[tag] = description; } -std::string wallet2::sign(const std::string &data, cryptonote::subaddress_index index) const -{ +static crypto::hash get_message_hash(const std::string &data) +{ + KECCAK_CTX ctx; + keccak_init(&ctx); + keccak_update(&ctx, (const uint8_t*)config::HASH_KEY_MESSAGE_SIGNING, sizeof(config::HASH_KEY_MESSAGE_SIGNING)); // includes NUL + char len_buf[(sizeof(size_t) * 8 + 6) / 7]; + char *ptr = len_buf; + tools::write_varint(ptr, data.size()); + CHECK_AND_ASSERT_THROW_MES(ptr > len_buf && ptr <= len_buf + sizeof(len_buf), "Length overflow"); + keccak_update(&ctx, (const uint8_t*)len_buf, ptr - len_buf); + keccak_update(&ctx, (const uint8_t*)data.data(), data.size()); crypto::hash hash; - crypto::cn_fast_hash(data.data(), data.size(), hash); + keccak_finish(&ctx, (uint8_t*)&hash); + return hash; +} + +std::string wallet2::sign(const std::string &data, message_signature_type_t signature_type, cryptonote::subaddress_index index) const +{ + const crypto::hash hash = get_message_hash(data); const cryptonote::account_keys &keys = m_account.get_keys(); crypto::signature signature; - crypto::secret_key skey; + crypto::secret_key skey, m; crypto::public_key pkey; if (index.is_zero()) { - skey = keys.m_spend_secret_key; - pkey = keys.m_account_address.m_spend_public_key; + switch (signature_type) + { + case sign_with_spend_key: + skey = keys.m_spend_secret_key; + pkey = keys.m_account_address.m_spend_public_key; + break; + case sign_with_view_key: + skey = keys.m_view_secret_key; + pkey = keys.m_account_address.m_view_public_key; + break; +#if 0 + case sign_with_both_keys: +#endif + default: CHECK_AND_ASSERT_THROW_MES(false, "Invalid signature type requested"); + } } else { - skey = keys.m_spend_secret_key; - crypto::secret_key m = m_account.get_device().get_subaddress_secret_key(keys.m_view_secret_key, index); - sc_add((unsigned char*)&skey, (unsigned char*)&m, (unsigned char*)&skey); + switch (signature_type) + { + case sign_with_spend_key: + skey = keys.m_spend_secret_key; + m = m_account.get_device().get_subaddress_secret_key(keys.m_view_secret_key, index); + sc_add((unsigned char*)&skey, (unsigned char*)&m, (unsigned char*)&skey); + break; + case sign_with_view_key: + skey = keys.m_spend_secret_key; + m = m_account.get_device().get_subaddress_secret_key(keys.m_view_secret_key, index); + sc_add((unsigned char*)&skey, (unsigned char*)&m, (unsigned char*)&skey); + sc_mul((unsigned char*)&skey, (unsigned char*)&keys.m_view_secret_key, (unsigned char*)&skey); + break; +#if 0 + case sign_with_both_keys: skey = ...; break; +#endif + default: CHECK_AND_ASSERT_THROW_MES(false, "Invalid signature type requested"); + } secret_key_to_public_key(skey, pkey); } crypto::generate_signature(hash, pkey, skey, signature); - return std::string("SigV1") + tools::base58::encode(std::string((const char *)&signature, sizeof(signature))); + return std::string("SigV2") + tools::base58::encode(std::string((const char *)&signature, sizeof(signature))); } -bool wallet2::verify(const std::string &data, const cryptonote::account_public_address &address, const std::string &signature) const +tools::wallet2::message_signature_result_t wallet2::verify(const std::string &data, const cryptonote::account_public_address &address, const std::string &signature) const { - const size_t header_len = strlen("SigV1"); - if (signature.size() < header_len || signature.substr(0, header_len) != "SigV1") { + static const size_t v1_header_len = strlen("SigV1"); + static const size_t v2_header_len = strlen("SigV2"); + const bool v1 = signature.size() >= v1_header_len && signature.substr(0, v1_header_len) == "SigV1"; + const bool v2 = signature.size() >= v2_header_len && signature.substr(0, v2_header_len) == "SigV2"; + if (!v1 && !v2) + { LOG_PRINT_L0("Signature header check error"); - return false; + return {}; } crypto::hash hash; - crypto::cn_fast_hash(data.data(), data.size(), hash); + if (v1) + { + crypto::cn_fast_hash(data.data(), data.size(), hash); + } + else + { + hash = get_message_hash(data); + } std::string decoded; - if (!tools::base58::decode(signature.substr(header_len), decoded)) { + if (!tools::base58::decode(signature.substr(v1 ? v1_header_len : v2_header_len), decoded)) { LOG_PRINT_L0("Signature decoding error"); - return false; + return {}; } crypto::signature s; if (sizeof(s) != decoded.size()) { LOG_PRINT_L0("Signature decoding error"); - return false; + return {}; } memcpy(&s, decoded.data(), sizeof(s)); - return crypto::check_signature(hash, address.m_spend_public_key, s); + if (crypto::check_signature(hash, address.m_spend_public_key, s)) + return {true, v1 ? 1u : 2u, !v2, sign_with_spend_key }; + if (crypto::check_signature(hash, address.m_view_public_key, s)) + return {true, v1 ? 1u : 2u, !v2, sign_with_view_key }; +#if 0 + rct::key both = ...; + if (crypto::check_signature(hash, rct::rct2pk(both), s)) + return {true, v1 ? 1u : 2u, !v2, sign_with_both_keys }; +#endif + return {}; } std::string wallet2::sign_multisig_participant(const std::string& data) const diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h index 117e4e2f2..7a142d016 100644 --- a/src/wallet/wallet2.h +++ b/src/wallet/wallet2.h @@ -1341,8 +1341,10 @@ private: */ void set_account_tag_description(const std::string& tag, const std::string& description); - std::string sign(const std::string &data, cryptonote::subaddress_index index = {0, 0}) const; - bool verify(const std::string &data, const cryptonote::account_public_address &address, const std::string &signature) const; + enum message_signature_type_t { sign_with_spend_key, sign_with_view_key, sign_with_both_keys }; + std::string sign(const std::string &data, message_signature_type_t signature_type, cryptonote::subaddress_index index = {0, 0}) const; + struct message_signature_result_t { bool valid; unsigned version; bool old; message_signature_type_t type; }; + message_signature_result_t verify(const std::string &data, const cryptonote::account_public_address &address, const std::string &signature) const; /*! * \brief sign_multisig_participant signs given message with the multisig public signer key diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp index 0ed749cb7..ae5b692df 100644 --- a/src/wallet/wallet_rpc_server.cpp +++ b/src/wallet/wallet_rpc_server.cpp @@ -2007,7 +2007,20 @@ namespace tools return false; } - res.signature = m_wallet->sign(req.data, {req.account_index, req.address_index}); + tools::wallet2::message_signature_type_t signature_type = tools::wallet2::sign_with_spend_key; + if (req.signature_type == "spend" || req.signature_type == "") + signature_type = tools::wallet2::sign_with_spend_key; + else if (req.signature_type == "view") + signature_type = tools::wallet2::sign_with_view_key; + else if (req.signature_type == "both") + signature_type = tools::wallet2::sign_with_both_keys; + else + { + er.code = WALLET_RPC_ERROR_CODE_INVALID_SIGNATURE_TYPE; + er.message = "Invalid signature type requested"; + return false; + } + res.signature = m_wallet->sign(req.data, signature_type, {req.account_index, req.address_index}); return true; } //------------------------------------------------------------------------------------------------------------------------------ @@ -2042,7 +2055,17 @@ namespace tools return false; } - res.good = m_wallet->verify(req.data, info.address, req.signature); + const auto result = m_wallet->verify(req.data, info.address, req.signature); + res.good = result.valid; + res.version = result.version; + res.old = result.old; + switch (result.type) + { + case tools::wallet2::sign_with_spend_key: res.signature_type = "spend"; break; + case tools::wallet2::sign_with_view_key: res.signature_type = "view"; break; + case tools::wallet2::sign_with_both_keys: res.signature_type = "both"; break; + default: res.signature_type = "invalid"; break; + } return true; } //------------------------------------------------------------------------------------------------------------------------------ diff --git a/src/wallet/wallet_rpc_server_commands_defs.h b/src/wallet/wallet_rpc_server_commands_defs.h index 5b2536bf1..73904bae8 100644 --- a/src/wallet/wallet_rpc_server_commands_defs.h +++ b/src/wallet/wallet_rpc_server_commands_defs.h @@ -1618,11 +1618,13 @@ namespace wallet_rpc std::string data; uint32_t account_index; uint32_t address_index; + std::string signature_type; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(data) KV_SERIALIZE_OPT(account_index, 0u) KV_SERIALIZE_OPT(address_index, 0u) + KV_SERIALIZE(signature_type) END_KV_SERIALIZE_MAP() }; typedef epee::misc_utils::struct_init<request_t> request; @@ -1657,9 +1659,15 @@ namespace wallet_rpc struct response_t { bool good; + unsigned version; + bool old; + std::string signature_type; BEGIN_KV_SERIALIZE_MAP() KV_SERIALIZE(good); + KV_SERIALIZE(version); + KV_SERIALIZE(old); + KV_SERIALIZE(signature_type); END_KV_SERIALIZE_MAP() }; typedef epee::misc_utils::struct_init<response_t> response; diff --git a/src/wallet/wallet_rpc_server_error_codes.h b/src/wallet/wallet_rpc_server_error_codes.h index 9b455af6a..f7c5bb0e1 100644 --- a/src/wallet/wallet_rpc_server_error_codes.h +++ b/src/wallet/wallet_rpc_server_error_codes.h @@ -76,3 +76,4 @@ #define WALLET_RPC_ERROR_CODE_NON_DETERMINISTIC -43 #define WALLET_RPC_ERROR_CODE_INVALID_LOG_LEVEL -44 #define WALLET_RPC_ERROR_CODE_ATTRIBUTE_NOT_FOUND -45 +#define WALLET_RPC_ERROR_CODE_INVALID_SIGNATURE_TYPE -47 |