tdlight/td/mtproto/RSA.h

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/BigNum.h"
#include "td/utils/common.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
namespace td {
namespace mtproto {
class RSA {
public:
RSA clone() const;
int64 get_fingerprint() const;
size_t size() const;
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bool encrypt(Slice from, MutableSlice to) const;
void decrypt_signature(Slice from, MutableSlice to) const;
static Result<RSA> from_pem_public_key(Slice pem);
private:
RSA(BigNum n, BigNum e);
BigNum n_;
BigNum e_;
};
class PublicRsaKeyInterface {
public:
virtual ~PublicRsaKeyInterface() = default;
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struct RsaKey {
RSA rsa;
int64 fingerprint;
};
virtual Result<RsaKey> get_rsa_key(const vector<int64> &fingerprints) = 0;
virtual void drop_keys() = 0;
};
} // namespace mtproto
} // namespace td