mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
69 lines
3 KiB
C++
69 lines
3 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "td/utils/crypto.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SharedSlice.h"
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#include "crypto/Ed25519.h"
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namespace tonlib {
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class SimpleEncryption {
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public:
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static td::SecureString encrypt_data(td::Slice data, td::Slice secret);
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static td::Result<td::SecureString> decrypt_data(td::Slice encrypted_data, td::Slice secret);
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static td::SecureString combine_secrets(td::Slice a, td::Slice b);
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static td::SecureString kdf(td::Slice secret, td::Slice password, int iterations);
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private:
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static td::AesCbcState calc_aes_cbc_state_hash(td::Slice hash);
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static td::AesCbcState calc_aes_cbc_state_sha512(td::Slice seed);
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static td::SecureString gen_random_prefix(td::int64 data_size, td::int64 min_padding);
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static td::SecureString encrypt_data_with_prefix(td::Slice data, td::Slice secret);
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friend class SimpleEncryptionV2;
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};
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class SimpleEncryptionV2 {
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public:
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static td::Result<td::SecureString> encrypt_data(td::Slice data, const td::Ed25519::PublicKey &public_key,
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td::Slice salt = {});
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struct Decrypted {
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td::SecureString proof;
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td::SecureString data;
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};
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static td::Result<Decrypted> decrypt_data(td::Slice data, const td::Ed25519::PrivateKey &private_key,
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td::Slice sallt = {});
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static td::Result<td::SecureString> encrypt_data(td::Slice data, const td::Ed25519::PublicKey &public_key,
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const td::Ed25519::PrivateKey &private_key, td::Slice salt = {});
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static td::Result<td::SecureString> decrypt_data_with_proof(td::Slice encrypted_data, td::Slice proof,
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td::Slice salt = {});
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static td::SecureString encrypt_data(td::Slice data, td::Slice secret, td::Slice salt = {});
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static td::Result<Decrypted> decrypt_data(td::Slice encrypted_data, td::Slice secret, td::Slice salt = {});
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private:
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static td::SecureString encrypt_data_with_prefix(td::Slice data, td::Slice secret, td::Slice salt = {});
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static td::Result<td::SecureString> do_decrypt(td::Slice cbc_state_secret, td::Slice msg_key,
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td::Slice encrypted_data, td::Slice salt);
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};
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} // namespace tonlib
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