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pass blinded key instead identity for encrypted LS2

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orignal 2019-03-22 15:32:13 -04:00
parent 2be80ba30f
commit 8e4b9da97d
4 changed files with 56 additions and 26 deletions
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25
libi2pd/LeaseSet.h
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@ -127,19 +127,36 @@ namespace data
const uint8_t NETDB_STORE_TYPE_META_LEASESET2 = 7;
const uint16_t LEASESET2_FLAG_OFFLINE_KEYS = 0x0001;
class BlindedPublicKey // for encrypted LS2
{
public:
BlindedPublicKey (std::shared_ptr<const IdentityEx> identity, SigningKeyType blindedKeyType = i2p::data::SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519);
const uint8_t * GetPublicKey () const { return m_PublicKey.data (); };
size_t GetPublicKeyLen () const { return m_PublicKey.size (); };
SigningKeyType GetSigType () const { return m_SigType; };
SigningKeyType GetBlindedSigType () const { return m_BlindedSigType; };
private:
std::vector<uint8_t> m_PublicKey;
i2p::data::SigningKeyType m_SigType, m_BlindedSigType;
};
class LeaseSet2: public LeaseSet
{
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
LeaseSet2 (const uint8_t * buf, size_t len, std::shared_ptr<const BlindedPublicKey> key); // 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; };
void Update (const uint8_t * buf, size_t len, bool verifySignature);
static void CalculateStoreHash (std::shared_ptr<const IdentityEx> identity, SigningKeyType blindedKeyType, i2p::data::IdentHash& hash);
static void CalculateStoreHash (std::shared_ptr<const BlindedPublicKey> key, i2p::data::IdentHash& hash);
// implements RoutingDestination
void Encrypt (const uint8_t * data, uint8_t * encrypted, BN_CTX * ctx) const;
@ -147,7 +164,7 @@ 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, std::shared_ptr<const IdentityEx> identity);
void ReadFromBufferEncrypted (const uint8_t * buf, size_t len, std::shared_ptr<const BlindedPublicKey> key);
size_t ReadStandardLS2TypeSpecificPart (const uint8_t * buf, size_t len);
size_t ReadMetaLS2TypeSpecificPart (const uint8_t * buf, size_t len);
@ -158,7 +175,7 @@ namespace data
// for encrypted LS
static void H (const std::string& p, const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * hash);
static void BlindPublicKey (std::shared_ptr<const IdentityEx> identity, const char * date, SigningKeyType blindedKeyType, uint8_t * blindedKey); // blinded key 32 bytes, date is 8 chars "YYYYMMDD"
static void BlindPublicKey (std::shared_ptr<const BlindedPublicKey> key, const char * date, uint8_t * blindedKey); // blinded key 32 bytes, date is 8 chars "YYYYMMDD"
private: