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MixHash for SSU2 long header

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orignal 2022-03-07 18:20:06 -05:00
parent d4ede6ff01
commit a152f36894
3 changed files with 48 additions and 14 deletions
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10
libi2pd/Crypto.cpp
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@ -1305,6 +1305,16 @@ namespace crypto
SHA256_Final (m_H, &ctx);
}
void NoiseSymmetricState::MixHash (const std::vector<std::pair<uint8_t *, size_t> >& bufs)
{
SHA256_CTX ctx;
SHA256_Init (&ctx);
SHA256_Update (&ctx, m_H, 32);
for (const auto& it: bufs)
SHA256_Update (&ctx, it.first, it.second);
SHA256_Final (m_H, &ctx);
}
void NoiseSymmetricState::MixKey (const uint8_t * sharedSecret)
{
HKDF (m_CK, sharedSecret, 32, "", m_CK);