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96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
#ifndef RESEED_H
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#define RESEED_H
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#include <iostream>
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#include <string>
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#include <vector>
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#include <map>
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#include <cryptopp/osrng.h>
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#include <cryptopp/rsa.h>
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#include <boost/asio.hpp>
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#include "Identity.h"
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#include "crypto/aes.h"
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namespace i2p
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{
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namespace data
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{
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class Reseeder
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{
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typedef Tag<512> PublicKey;
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public:
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Reseeder();
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~Reseeder();
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bool reseedNow(); // deprecated
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int ReseedNowSU3 ();
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void LoadCertificates ();
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private:
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void LoadCertificate (const std::string& filename);
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std::string LoadCertificate (CryptoPP::ByteQueue& queue); // returns issuer's name
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int ReseedFromSU3 (const std::string& host, bool https = false);
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int ProcessSU3File (const char * filename);
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int ProcessSU3Stream (std::istream& s);
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bool FindZipDataDescriptor (std::istream& s);
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std::string HttpsRequest (const std::string& address);
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private:
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std::map<std::string, PublicKey> m_SigningKeys;
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};
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class TlsCipher
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{
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public:
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virtual ~TlsCipher () {};
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virtual void CalculateMAC (uint8_t type, const uint8_t * buf, size_t len, uint8_t * mac) = 0;
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virtual size_t Encrypt (const uint8_t * in, size_t len, const uint8_t * mac, uint8_t * out) = 0;
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virtual size_t Decrypt (uint8_t * buf, size_t len) = 0;
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virtual size_t GetIVSize () const { return 0; }; // override for AES
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};
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class TlsSession
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{
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public:
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TlsSession (const std::string& host, int port);
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~TlsSession ();
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void Send (const uint8_t * buf, size_t len);
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bool Receive (std::ostream& rs);
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bool IsEstablished () const { return m_IsEstablished; };
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private:
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void Handshake ();
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void SendHandshakeMsg (uint8_t handshakeType, uint8_t * data, size_t len);
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void SendFinishedMsg ();
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CryptoPP::RSA::PublicKey ExtractPublicKey (const uint8_t * certificate, size_t len);
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void PRF (const uint8_t * secret, const char * label, const uint8_t * random, size_t randomLen,
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size_t len, uint8_t * buf);
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private:
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bool m_IsEstablished;
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boost::asio::ip::tcp::iostream m_Site;
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CryptoPP::SHA256 m_FinishedHash;
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uint8_t m_MasterSecret[64]; // actual size is 48, but must be multiple of 32
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TlsCipher * m_Cipher;
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};
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}
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}
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#endif
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