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H and HKDF for encrypted LeaseSet2

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orignal 2019-02-27 15:52:47 -05:00
parent 2f0115c300
commit af65af5be9
2 changed files with 66 additions and 9 deletions
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9
libi2pd/LeaseSet.h
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@ -133,6 +133,7 @@ namespace data
public:
LeaseSet2 (uint8_t storeType, const uint8_t * buf, size_t len, bool storeLeases = true);
LeaseSet2 (const uint8_t * buf, size_t len, std::shared_ptr<const IdentityEx> identity); // store type 5, called from local netdb only
uint8_t GetStoreType () const { return m_StoreType; };
uint32_t GetPublishedTimestamp () const { return m_PublishedTimestamp; };
std::shared_ptr<const i2p::crypto::Verifier> GetTransientVerifier () const { return m_TransientVerifier; };
@ -144,7 +145,7 @@ namespace data
private:
void ReadFromBuffer (const uint8_t * buf, size_t len, bool readIdentity = true, bool verifySignature = true);
void ReadFromBufferEncrypted (const uint8_t * buf, size_t len);
void ReadFromBufferEncrypted (const uint8_t * buf, size_t len, std::shared_ptr<const IdentityEx> identity);
size_t ReadStandardLS2TypeSpecificPart (const uint8_t * buf, size_t len);
size_t ReadMetaLS2TypeSpecificPart (const uint8_t * buf, size_t len);
@ -153,10 +154,14 @@ namespace data
uint64_t ExtractTimestamp (const uint8_t * buf, size_t len) const;
// for encrypted LS
void H (const std::string& p, const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * hash);
void HKDF (const uint8_t * salt, const std::pair<const uint8_t *, size_t>& ikm, const char * info, uint8_t * out, size_t outLen); // salt - 32, info - 8
private:
uint8_t m_StoreType;
uint32_t m_PublishedTimestamp;
uint32_t m_PublishedTimestamp = 0;
std::shared_ptr<i2p::crypto::Verifier> m_TransientVerifier;
std::shared_ptr<i2p::crypto::CryptoKeyEncryptor> m_Encryptor; // for standardLS2
};