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don't create EVP_CIPHER_CTX for each ChaCha20
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orignal 2025-01-15 21:13:50 -05:00
parent 8c555fe592
commit 4bb82110ab
6 changed files with 63 additions and 21 deletions
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8
libi2pd/SSU2OutOfSession.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2024, The PurpleI2P Project
* Copyright (c) 2024-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -46,7 +46,7 @@ namespace transport
}
uint8_t nonce[12] = {0};
uint64_t headerX[2]; // sourceConnID, token
i2p::crypto::ChaCha20 (buf + 16, 16, i2p::context.GetSSU2IntroKey (), nonce, (uint8_t *)headerX);
GetServer ().ChaCha20 (buf + 16, 16, i2p::context.GetSSU2IntroKey (), nonce, (uint8_t *)headerX);
SetDestConnID (headerX[0]);
// decrypt and handle payload
uint8_t * payload = buf + 32;
@ -183,7 +183,7 @@ namespace transport
header.ll[0] ^= CreateHeaderMask (addr->i, payload + (payloadSize - 24));
header.ll[1] ^= CreateHeaderMask (addr->i, payload + (payloadSize - 12));
memset (n, 0, 12);
i2p::crypto::ChaCha20 (h + 16, 16, addr->i, n, h + 16);
GetServer ().ChaCha20 (h + 16, 16, addr->i, n, h + 16);
// send
GetServer ().Send (header.buf, 16, h + 16, 16, payload, payloadSize, GetRemoteEndpoint ());
UpdateNumSentBytes (payloadSize + 32);
@ -305,7 +305,7 @@ namespace transport
header.ll[0] ^= CreateHeaderMask (addr->i, payload + (payloadSize - 24));
header.ll[1] ^= CreateHeaderMask (addr->i, payload + (payloadSize - 12));
memset (n, 0, 12);
i2p::crypto::ChaCha20 (h + 16, 16, addr->i, n, h + 16);
GetServer ().ChaCha20 (h + 16, 16, addr->i, n, h + 16);
// send
GetServer ().Send (header.buf, 16, h + 16, 16, payload, payloadSize, ep);
UpdateNumSentBytes (payloadSize + 32);