mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-17 15:25:35 +00:00
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
#include "null_crypto.hpp"
|
|
#include <llarp/util/logging/logger.hpp>
|
|
|
|
#include <limits>
|
|
|
|
namespace llarp::quic
|
|
{
|
|
// Cranks a value to "11", i.e. set it to its maximum
|
|
template <typename T>
|
|
void
|
|
crank_to_eleven(T& val)
|
|
{
|
|
val = std::numeric_limits<T>::max();
|
|
}
|
|
|
|
NullCrypto::NullCrypto()
|
|
{
|
|
crank_to_eleven(null_ctx.max_encryption);
|
|
crank_to_eleven(null_ctx.max_decryption_failure);
|
|
null_ctx.aead.max_overhead = 1; // Fails an assertion if 0
|
|
null_aead.max_overhead = 1; // FIXME - can this be 0?
|
|
}
|
|
|
|
void
|
|
NullCrypto::client_initial(Connection& conn)
|
|
{
|
|
ngtcp2_conn_set_initial_crypto_ctx(conn, &null_ctx);
|
|
ngtcp2_conn_install_initial_key(
|
|
conn,
|
|
&null_aead_ctx,
|
|
null_iv.data(),
|
|
&null_cipher_ctx,
|
|
&null_aead_ctx,
|
|
null_iv.data(),
|
|
&null_cipher_ctx,
|
|
null_iv.size());
|
|
ngtcp2_conn_set_retry_aead(conn, &null_aead, &null_aead_ctx);
|
|
ngtcp2_conn_set_crypto_ctx(conn, &null_ctx);
|
|
}
|
|
|
|
void
|
|
NullCrypto::server_initial(Connection& conn)
|
|
{
|
|
LogDebug("Server initial null crypto setup");
|
|
ngtcp2_conn_set_initial_crypto_ctx(conn, &null_ctx);
|
|
ngtcp2_conn_install_initial_key(
|
|
conn,
|
|
&null_aead_ctx,
|
|
null_iv.data(),
|
|
&null_cipher_ctx,
|
|
&null_aead_ctx,
|
|
null_iv.data(),
|
|
&null_cipher_ctx,
|
|
null_iv.size());
|
|
ngtcp2_conn_set_crypto_ctx(conn, &null_ctx);
|
|
}
|
|
|
|
bool
|
|
NullCrypto::install_tx_handshake_key(Connection& conn)
|
|
{
|
|
return ngtcp2_conn_install_tx_handshake_key(
|
|
conn, &null_aead_ctx, null_iv.data(), null_iv.size(), &null_cipher_ctx)
|
|
== 0;
|
|
}
|
|
bool
|
|
NullCrypto::install_rx_handshake_key(Connection& conn)
|
|
{
|
|
return ngtcp2_conn_install_rx_handshake_key(
|
|
conn, &null_aead_ctx, null_iv.data(), null_iv.size(), &null_cipher_ctx)
|
|
== 0;
|
|
}
|
|
bool
|
|
NullCrypto::install_tx_key(Connection& conn)
|
|
{
|
|
return ngtcp2_conn_install_tx_key(
|
|
conn,
|
|
null_iv.data(),
|
|
null_iv.size(),
|
|
&null_aead_ctx,
|
|
null_iv.data(),
|
|
null_iv.size(),
|
|
&null_cipher_ctx)
|
|
== 0;
|
|
}
|
|
bool
|
|
NullCrypto::install_rx_key(Connection& conn)
|
|
{
|
|
return ngtcp2_conn_install_rx_key(
|
|
conn, nullptr, 0, &null_aead_ctx, null_iv.data(), null_iv.size(), &null_cipher_ctx)
|
|
== 0;
|
|
}
|
|
|
|
} // namespace llarp::quic
|