122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/buffer.h"
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#include "td/utils/common.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SharedSlice.h"
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#include "td/utils/Status.h"
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namespace td {
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uint64 pq_factorize(uint64 pq);
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#if TD_HAVE_OPENSSL
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void init_crypto();
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int pq_factorize(Slice pq_str, string *p_str, string *q_str);
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void aes_ige_encrypt(Slice aes_key, MutableSlice aes_iv, Slice from, MutableSlice to);
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void aes_ige_decrypt(Slice aes_key, MutableSlice aes_iv, Slice from, MutableSlice to);
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void aes_cbc_encrypt(Slice aes_key, MutableSlice aes_iv, Slice from, MutableSlice to);
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void aes_cbc_decrypt(Slice aes_key, MutableSlice aes_iv, Slice from, MutableSlice to);
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class AesCtrState {
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public:
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AesCtrState();
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AesCtrState(const AesCtrState &from) = delete;
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AesCtrState &operator=(const AesCtrState &from) = delete;
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AesCtrState(AesCtrState &&from);
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AesCtrState &operator=(AesCtrState &&from);
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~AesCtrState();
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void init(Slice key, Slice iv);
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void encrypt(Slice from, MutableSlice to);
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void decrypt(Slice from, MutableSlice to);
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private:
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class Impl;
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unique_ptr<Impl> ctx_;
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};
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class AesCbcState {
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public:
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AesCbcState(Slice key256, Slice iv128);
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void encrypt(Slice from, MutableSlice to);
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void decrypt(Slice from, MutableSlice to);
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private:
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SecureString key_;
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SecureString iv_;
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};
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void sha1(Slice data, unsigned char output[20]);
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void sha256(Slice data, MutableSlice output);
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void sha512(Slice data, MutableSlice output);
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string sha256(Slice data) TD_WARN_UNUSED_RESULT;
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string sha512(Slice data) TD_WARN_UNUSED_RESULT;
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class Sha256State {
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public:
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Sha256State();
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Sha256State(const Sha256State &other) = delete;
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Sha256State &operator=(const Sha256State &other) = delete;
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Sha256State(Sha256State &&other);
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Sha256State &operator=(Sha256State &&other);
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~Sha256State();
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void init();
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void feed(Slice data);
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void extract(MutableSlice dest, bool destroy = false);
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private:
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class Impl;
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unique_ptr<Impl> impl_;
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bool is_inited_ = false;
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};
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void md5(Slice input, MutableSlice output);
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void pbkdf2_sha256(Slice password, Slice salt, int iteration_count, MutableSlice dest);
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void pbkdf2_sha512(Slice password, Slice salt, int iteration_count, MutableSlice dest);
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void hmac_sha256(Slice key, Slice message, MutableSlice dest);
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void hmac_sha512(Slice key, Slice message, MutableSlice dest);
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// Interface may be improved
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Result<BufferSlice> rsa_encrypt_pkcs1_oaep(Slice public_key, Slice data);
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Result<BufferSlice> rsa_decrypt_pkcs1_oaep(Slice private_key, Slice data);
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void init_openssl_threads();
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#endif
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#if TD_HAVE_ZLIB
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uint32 crc32(Slice data);
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#endif
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#if TD_HAVE_CRC32C
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uint32 crc32c(Slice data);
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uint32 crc32c_extend(uint32 old_crc, Slice data);
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uint32 crc32c_extend(uint32 old_crc, uint32 new_crc, size_t data_size);
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#endif
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uint64 crc64(Slice data);
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uint16 crc16(Slice data);
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} // namespace td
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