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I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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55 lines
1.9 KiB
55 lines
1.9 KiB
/* |
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* Copyright (c) 2013-2020, The PurpleI2P Project |
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* |
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* This file is part of Purple i2pd project and licensed under BSD3 |
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* |
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* See full license text in LICENSE file at top of project tree |
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*/ |
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#ifndef BLINDING_H__ |
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#define BLINDING_H__ |
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#include <inttypes.h> |
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#include <string> |
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#include <vector> |
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#include "Identity.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 BlindedPublicKey // for encrypted LS2 |
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{ |
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public: |
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BlindedPublicKey (std::shared_ptr<const IdentityEx> identity, bool clientAuth = false); |
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BlindedPublicKey (const std::string& b33); // from b33 without .b32.i2p |
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std::string ToB33 () const; |
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const uint8_t * GetPublicKey () const { return m_PublicKey.data (); }; |
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size_t GetPublicKeyLen () const { return m_PublicKey.size (); }; |
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SigningKeyType GetSigType () const { return m_SigType; }; |
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SigningKeyType GetBlindedSigType () const { return m_BlindedSigType; }; |
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bool IsValid () const { return GetSigType (); }; // signature type 0 means invalid |
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void GetSubcredential (const uint8_t * blinded, size_t len, uint8_t * subcredential) const; // 32 bytes |
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size_t GetBlindedKey (const char * date, uint8_t * blindedKey) const; // date is 8 chars "YYYYMMDD", return public key length |
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size_t BlindPrivateKey (const uint8_t * priv, const char * date, uint8_t * blindedPriv, uint8_t * blindedPub) const; // date is 8 chars "YYYYMMDD", return public key length |
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i2p::data::IdentHash GetStoreHash (const char * date = nullptr) const; // date is 8 chars "YYYYMMDD", use current if null |
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private: |
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void GetCredential (uint8_t * credential) const; // 32 bytes |
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void GenerateAlpha (const char * date, uint8_t * seed) const; // 64 bytes, date is 8 chars "YYYYMMDD" |
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void H (const std::string& p, const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * hash) const; |
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private: |
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std::vector<uint8_t> m_PublicKey; |
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i2p::data::SigningKeyType m_SigType, m_BlindedSigType; |
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bool m_IsClientAuth = false; |
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}; |
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} |
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} |
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#endif
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