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check if x25519 key is valid

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orignal 2021-01-01 15:03:11 -05:00
parent ce9640773c
commit 726bd0d63b
6 changed files with 52 additions and 13 deletions
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6
libi2pd/RouterContext.cpp
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@ -729,7 +729,11 @@ namespace i2p
m_CurrentNoiseState.reset (new i2p::crypto::NoiseSymmetricState (*m_InitialNoiseState));
m_CurrentNoiseState->MixHash (encrypted, 32); // h = SHA256(h || sepk)
uint8_t sharedSecret[32];
m_Decryptor->Decrypt (encrypted, sharedSecret, ctx, false);
if (!m_Decryptor->Decrypt (encrypted, sharedSecret, ctx, false))
{
LogPrint (eLogWarning, "Router: Incorrect ephemeral public key");
return false;
}
m_CurrentNoiseState->MixKey (sharedSecret);
encrypted += 32;
uint8_t nonce[12];