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82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#include <messages/exit.hpp>
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#include <crypto/crypto.hpp>
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#include <routing/handler.hpp>
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namespace llarp
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{
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namespace routing
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{
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bool
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GrantExitMessage::BEncode(llarp_buffer_t* buf) const
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{
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if(!bencode_start_dict(buf))
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return false;
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if(!BEncodeWriteDictMsgType(buf, "A", "G"))
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return false;
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if(!BEncodeWriteDictInt("S", S, buf))
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return false;
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if(!BEncodeWriteDictInt("T", T, buf))
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return false;
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if(!BEncodeWriteDictInt("V", version, buf))
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return false;
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if(!BEncodeWriteDictEntry("Y", Y, buf))
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return false;
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if(!BEncodeWriteDictEntry("Z", Z, buf))
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return false;
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return bencode_end(buf);
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}
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bool
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GrantExitMessage::DecodeKey(const llarp_buffer_t& k, llarp_buffer_t* buf)
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{
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bool read = false;
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if(!BEncodeMaybeReadDictInt("S", S, read, k, buf))
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return false;
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if(!BEncodeMaybeReadDictInt("T", T, read, k, buf))
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return false;
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if(!BEncodeMaybeReadDictInt("V", version, read, k, buf))
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return false;
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if(!BEncodeMaybeReadDictEntry("Y", Y, read, k, buf))
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return false;
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if(!BEncodeMaybeReadDictEntry("Z", Z, read, k, buf))
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return false;
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return read;
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}
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bool
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GrantExitMessage::Verify(llarp::Crypto* c, const llarp::PubKey& pk) const
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{
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std::array< byte_t, 512 > tmp;
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llarp_buffer_t buf(tmp);
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GrantExitMessage copy;
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copy = *this;
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copy.Z.Zero();
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if(!copy.BEncode(&buf))
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return false;
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buf.sz = buf.cur - buf.base;
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return c->verify(pk, buf, Z);
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}
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bool
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GrantExitMessage::Sign(llarp::Crypto* c, const llarp::SecretKey& sk)
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{
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std::array< byte_t, 512 > tmp;
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llarp_buffer_t buf(tmp);
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Z.Zero();
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Y.Randomize();
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if(!BEncode(&buf))
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return false;
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buf.sz = buf.cur - buf.base;
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return c->sign(Z, sk, buf);
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}
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bool
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GrantExitMessage::HandleMessage(IMessageHandler* h, AbstractRouter* r) const
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{
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return h->HandleGrantExitMessage(*this, r);
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}
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} // namespace routing
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} // namespace llarp
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