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check for compatibility of LeaseSet encryption keys with local destination's encryption type
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This commit is contained in:
orignal 2025-06-07 20:52:35 -04:00
parent 9c393f50da
commit ba0352e9a0
5 changed files with 43 additions and 33 deletions
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30
libi2pd/LeaseSet.h
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@ -76,7 +76,7 @@ namespace data
LeaseSet (const uint8_t * buf, size_t len, bool storeLeases = true);
virtual ~LeaseSet () { delete[] m_EncryptionKey; delete[] m_Buffer; };
virtual void Update (const uint8_t * buf, size_t len, bool verifySignature = true);
virtual void Update (const uint8_t * buf, size_t len, std::shared_ptr<LocalDestination> dest, bool verifySignature);
virtual bool IsNewer (const uint8_t * buf, size_t len) const;
void PopulateLeases (); // from buffer
@ -155,15 +155,17 @@ namespace data
public:
LeaseSet2 (uint8_t storeType): LeaseSet (true), m_StoreType (storeType) {}; // for update
LeaseSet2 (uint8_t storeType, const uint8_t * buf, size_t len, bool storeLeases = true, CryptoKeyType preferredCrypto = CRYPTO_KEY_TYPE_ECIES_X25519_AEAD);
LeaseSet2 (const uint8_t * buf, size_t len, std::shared_ptr<const BlindedPublicKey> key, const uint8_t * secret = nullptr, CryptoKeyType preferredCrypto = CRYPTO_KEY_TYPE_ECIES_X25519_AEAD); // store type 5, called from local netdb only
uint8_t GetStoreType () const { return m_StoreType; };
uint32_t GetPublishedTimestamp () const { return m_PublishedTimestamp; };
LeaseSet2 (uint8_t storeType, const uint8_t * buf, size_t len, bool storeLeases = true,
std::shared_ptr<LocalDestination> dest = nullptr, CryptoKeyType preferredCrypto = CRYPTO_KEY_TYPE_ECIES_X25519_AEAD);
LeaseSet2 (const uint8_t * buf, size_t len, std::shared_ptr<const BlindedPublicKey> key,
std::shared_ptr<LocalDestination> dest = nullptr, const uint8_t * secret = nullptr, CryptoKeyType preferredCrypto = CRYPTO_KEY_TYPE_ECIES_X25519_AEAD); // store type 5, called from local netdb only
uint8_t GetStoreType () const override { return m_StoreType; };
uint32_t GetPublishedTimestamp () const override { return m_PublishedTimestamp; };
bool IsPublic () const { return m_IsPublic; };
bool IsPublishedEncrypted () const { return m_IsPublishedEncrypted; };
std::shared_ptr<const i2p::crypto::Verifier> GetTransientVerifier () const { return m_TransientVerifier; };
void Update (const uint8_t * buf, size_t len, bool verifySignature);
bool IsNewer (const uint8_t * buf, size_t len) const;
bool IsPublishedEncrypted () const override { return m_IsPublishedEncrypted; };
std::shared_ptr<const i2p::crypto::Verifier> GetTransientVerifier () const override { return m_TransientVerifier; };
void Update (const uint8_t * buf, size_t len, std::shared_ptr<LocalDestination> dest, bool verifySignature) override;
bool IsNewer (const uint8_t * buf, size_t len) const override;
// implements RoutingDestination
void Encrypt (const uint8_t * data, uint8_t * encrypted) const;
@ -171,15 +173,17 @@ 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 BlindedPublicKey> key, const uint8_t * secret);
size_t ReadStandardLS2TypeSpecificPart (const uint8_t * buf, size_t len);
void ReadFromBuffer (const uint8_t * buf, size_t len, std::shared_ptr<LocalDestination> dest,
bool readIdentity = true, bool verifySignature = true);
void ReadFromBufferEncrypted (const uint8_t * buf, size_t len, std::shared_ptr<const BlindedPublicKey> key,
std::shared_ptr<LocalDestination> dest, const uint8_t * secret);
size_t ReadStandardLS2TypeSpecificPart (const uint8_t * buf, size_t len, std::shared_ptr<LocalDestination> dest);
size_t ReadMetaLS2TypeSpecificPart (const uint8_t * buf, size_t len);
template<typename Verifier>
bool VerifySignature (Verifier& verifier, const uint8_t * buf, size_t len, size_t signatureOffset);
uint64_t ExtractExpirationTimestamp (const uint8_t * buf, size_t len) const;
uint64_t ExtractExpirationTimestamp (const uint8_t * buf, size_t len) const override;
uint64_t ExtractPublishedTimestamp (const uint8_t * buf, size_t len, uint64_t& expiration) const;
size_t ExtractClientAuthData (const uint8_t * buf, size_t len, const uint8_t * secret, const uint8_t * subcredential, uint8_t * authCookie) const; // subcredential is subcredential + timestamp, return length of autData without flag