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send NTCP2 frame from I2NP messages

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orignal
2018-12-02 14:24:39 -05:00
parent 7692332f0e
commit 7efb47fed4
5 changed files with 106 additions and 24 deletions
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8
libi2pd/Crypto.cpp
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@@ -1174,7 +1174,7 @@ namespace crypto
return ret;
}
void AEADChaCha20Poly1305Encrypt (std::vector<std::pair<void*, std::size_t> >& bufs, const uint8_t * key, const uint8_t * nonce, uint8_t * mac)
void AEADChaCha20Poly1305Encrypt (std::vector<std::pair<uint8_t *, size_t> >& bufs, const uint8_t * key, const uint8_t * nonce, uint8_t * mac)
{
if (bufs.empty ()) return;
#if LEGACY_OPENSSL
@@ -1190,8 +1190,8 @@ namespace crypto
size_t size = 0;
for (auto& it: bufs)
{
chacha::Chacha20Encrypt (state, (uint8_t *)it.first, it.second);
polyHash.Update ((uint8_t *)it.first, it.second); // after encryption
chacha::Chacha20Encrypt (state, it.first, it.second);
polyHash.Update (it.first, it.second); // after encryption
size += it.second;
}
// padding
@@ -1217,7 +1217,7 @@ namespace crypto
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, 12, 0);
EVP_EncryptInit_ex(ctx, NULL, NULL, key, nonce);
for (auto& it: bufs)
EVP_EncryptUpdate(ctx, (uint8_t *)it.first, &outlen, (uint8_t *)it.first, it.second);
EVP_EncryptUpdate(ctx, it.first, &outlen, it.first, it.second);
EVP_EncryptFinal_ex(ctx, NULL, &outlen);
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, 16, mac);
EVP_CIPHER_CTX_free (ctx);