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https://github.com/gnss-sdr/gnss-sdr
synced 2024-10-30 14:46:23 +00:00
DSM-PKR getter setter structure
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@ -341,7 +341,7 @@ void osnma_msg_receiver::process_dsm_message(const std::vector<uint8_t>& dsm_msg
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{
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p_dk_truncated.push_back(hash[i]);
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}
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// check DS signature
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// Check that the padding bits received match the computed values
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if (d_osnma_data.d_dsm_kroot_message.p_dk == p_dk_truncated)
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{
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bool authenticated = d_crypto->verify_signature(message, d_osnma_data.d_dsm_kroot_message.ds);
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@ -371,7 +371,7 @@ void osnma_msg_receiver::process_dsm_message(const std::vector<uint8_t>& dsm_msg
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else if (d_osnma_data.d_dsm_header.dsm_id >= 12 && d_osnma_data.d_dsm_header.dsm_id < 16)
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{
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LOG(WARNING) << "OSNMA: DSM-PKR message received.";
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// DSM-PKR message
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// Save DSM-PKR message
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d_osnma_data.d_dsm_pkr_message.nb_dp = d_dsm_reader->get_number_blocks_index(dsm_msg[0]);
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d_osnma_data.d_dsm_pkr_message.mid = d_dsm_reader->get_mid(dsm_msg);
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for (int k = 0; k > 128; k++)
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@ -424,7 +424,17 @@ void osnma_msg_receiver::process_dsm_message(const std::vector<uint8_t>& dsm_msg
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<< ", TOW=" << static_cast<uint32_t>(d_osnma_data.d_dsm_kroot_message.towh_k) * 3600
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<< " received" << std::endl;
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// C: NPK verification against Merkle tree root.
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d_public_key_verified = verify_dsm_pkr(d_osnma_data.d_dsm_pkr_message);
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if (!d_public_key_verified)
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{
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bool verification = verify_dsm_pkr(d_osnma_data.d_dsm_pkr_message);
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if (verification)
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{
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d_public_key_verified = true;
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d_crypto->set_public_key(d_osnma_data.d_dsm_pkr_message.npk);
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}
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}
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}
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}
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else
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@ -872,7 +882,6 @@ void osnma_msg_receiver::process_mack_message(const std::shared_ptr<OSNMA_msg>&
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bool osnma_msg_receiver::verify_dsm_pkr(DSM_PKR_message message)
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{
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// TODO create leafe base message m_i
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// TODO create function for recursively apply hash
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// build base leaf m_i
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@ -598,3 +598,26 @@ std::vector<uint8_t> Gnss_Crypto::getMerkleRoot(const std::vector<std::vector<ui
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}
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return new_merkle[0];
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}
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void Gnss_Crypto::set_public_key(const std::vector<uint8_t>& publicKey)
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{
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#if USE_OPENSSL_FALLBACK
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// TODO - convert to OSSL PubKey format
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#else
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// GNU-TLS
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// TODO - convert to gnutls_pubkey_st
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#endif
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}
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std::vector<uint8_t> Gnss_Crypto::get_public_key()
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{
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#if USE_OPENSSL_FALLBACK
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// TODO
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#else
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// GNU-TLS
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// TODO
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#endif
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return {};
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}
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@ -55,7 +55,8 @@ public:
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return d_x_4_0;
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}
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// void set_public_key(const std::vector<uint8_t>& publickey);
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void set_public_key(const std::vector<uint8_t>& publickey);
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static std::vector<uint8_t> get_public_key();
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private:
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#if USE_OPENSSL_FALLBACK
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