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blind ECDSA private key

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orignal 2019-05-22 16:15:11 -04:00
parent edf4f7695d
commit e40c139ff1
3 changed files with 44 additions and 7 deletions
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6
libi2pd/LeaseSet.cpp
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@ -727,12 +727,12 @@ namespace data
auto timestamp = i2p::util::GetSecondsSinceEpoch ();
char date[9];
i2p::util::GetDateString (timestamp, date);
uint8_t blindedPriv[32], blindedPub[32];
blindedKey.BlindPrivateKey (keys.GetSigningPrivateKey (), date, blindedPriv, blindedPub);
uint8_t blindedPriv[64], blindedPub[128]; // 64 and 128 max
size_t publicKeyLen = blindedKey.BlindPrivateKey (keys.GetSigningPrivateKey (), date, blindedPriv, blindedPub);
std::unique_ptr<i2p::crypto::Signer> blindedSigner (i2p::data::PrivateKeys::CreateSigner (blindedKeyType, blindedPriv));
auto offset = 1;
htobe16buf (m_Buffer + offset, blindedKeyType); offset += 2; // Blinded Public Key Sig Type
memcpy (m_Buffer + offset, blindedPub, 32); offset += 32; // Blinded Public Key
memcpy (m_Buffer + offset, blindedPub, publicKeyLen); offset += publicKeyLen; // Blinded Public Key
htobe32buf (m_Buffer + offset, timestamp); offset += 4; // published timestamp (seconds)
auto nextMidnight = (timestamp/86400LL + 1)*86400LL; // 86400 = 24*3600 seconds
auto expirationTime = ls->GetExpirationTime ()/1000LL;