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common MixHash and MixKey

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orignal
2020-10-28 21:53:11 -04:00
parent b2f0278180
commit 9f2a2e44a3
7 changed files with 36 additions and 42 deletions
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18
libi2pd/Crypto.cpp
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@@ -1323,6 +1323,21 @@ namespace crypto
#endif
}
void NoiseSymmetricState::MixHash (const uint8_t * buf, size_t len)
{
SHA256_CTX ctx;
SHA256_Init (&ctx);
SHA256_Update (&ctx, m_H, 32);
SHA256_Update (&ctx, buf, len);
SHA256_Final (m_H, &ctx);
}
void NoiseSymmetricState::MixKey (const uint8_t * sharedSecret)
{
HKDF (m_CK, sharedSecret, 32, "", m_CK);
// new ck is m_CK[0:31], key is m_CK[32:63]
}
// init and terminate
/* std::vector <std::unique_ptr<std::mutex> > m_OpenSSLMutexes;
@@ -1336,8 +1351,7 @@ namespace crypto
m_OpenSSLMutexes[type]->unlock ();
}
}*/
void InitCrypto (bool precomputation)
{
i2p::cpu::Detect ();