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Code Issues Releases Activity

check if sip key is available

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orignal 2021-10-27 22:33:37 -04:00
parent 876e98d91e
commit 26db88d89b
1 changed files with 7 additions and 3 deletions
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10
libi2pd/NTCP2.cpp
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@ -911,13 +911,11 @@ namespace transport
void NTCP2Session::SetNextSentFrameLength (size_t frameLen, uint8_t * lengthBuf)
{
#if OPENSSL_SIPHASH
if (!m_SendMDCtx) return;
EVP_DigestSignInit (m_SendMDCtx, nullptr, nullptr, nullptr, nullptr);
EVP_DigestSignUpdate (m_SendMDCtx, m_SendIV.buf, 8);
size_t l = 8;
EVP_DigestSignFinal (m_SendMDCtx, m_SendIV.buf, &l);
#else
if (!m_SendSipKey) return;
i2p::crypto::Siphash<8> (m_SendIV.buf, m_SendIV.buf, 8, m_SendSipKey);
#endif
// length must be in BigEndian
@ -1117,7 +1115,13 @@ namespace transport
void NTCP2Session::SendTermination (NTCP2TerminationReason reason)
{
if (!m_SendKey) return;
if (!m_SendKey ||
#if OPENSSL_SIPHASH
!m_SendMDCtx
#else
!m_SendSipKey
#endif
) return;
m_NextSendBuffer = new uint8_t[49]; // 49 = 12 bytes message + 16 bytes MAC + 2 bytes size + up to 19 padding block
// termination block
m_NextSendBuffer[2] = eNTCP2BlkTermination;