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87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_NAS_5G_UTILS_H
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#define SRSRAN_NAS_5G_UTILS_H
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#include "srsran/asn1/asn1_utils.h"
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#include "srsran/common/byte_buffer.h"
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#include "srsran/config.h"
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using namespace asn1;
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namespace srsran {
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namespace nas_5g {
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struct ecies_scheme_profile_a_out {
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uint8_t ecc_ephemeral_key[33];
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std::vector<uint8_t> ciphertext;
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uint8_t mac_tag[8];
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};
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struct ecies_scheme_profile_b_out {
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uint8_t ecc_ephemeral_key[32];
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std::vector<uint8_t> ciphertext;
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uint8_t mac_tag[8];
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};
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template <typename Enum, int bl>
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SRSASN_CODE unpack_enum(asn1::cbit_ref& bref, Enum* e)
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{
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uint32_t tmp = {};
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HANDLE_CODE(bref.unpack(tmp, bl));
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*e = static_cast<Enum>(tmp);
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return SRSASN_SUCCESS;
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}
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template <typename Enum, int bl>
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SRSASN_CODE pack_enum(asn1::bit_ref& bref, Enum e)
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{
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uint32_t tmp = static_cast<uint32_t>(e);
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HANDLE_CODE(bref.pack(tmp, bl));
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return SRSASN_SUCCESS;
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}
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template <class EnumType, uint32_t bit_length_>
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class nas_enumerated : public EnumType
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{
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public:
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static const uint32_t bit_length = bit_length_;
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nas_enumerated() {}
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nas_enumerated(typename EnumType::options o) { EnumType::value = o; }
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SRSASN_CODE pack(asn1::bit_ref& bref) const
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{
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uint32_t tmp = static_cast<uint32_t>(EnumType::value);
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HANDLE_CODE(bref.pack(tmp, bit_length));
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return SRSASN_SUCCESS;
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}
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SRSASN_CODE unpack(asn1::cbit_ref& bref)
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{
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uint32_t tmp = {};
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HANDLE_CODE(bref.unpack(tmp, bit_length));
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*this = static_cast<typename EnumType::options>(tmp);
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return SRSASN_SUCCESS;
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}
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EnumType& operator=(EnumType v)
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{
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EnumType::value = v;
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return *this;
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}
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operator typename EnumType::options() const { return EnumType::value; }
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};
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SRSASN_CODE unpack_mcc_mnc(uint8_t* mcc_bytes, uint8_t* mnc_bytes, asn1::cbit_ref& bref);
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SRSASN_CODE pack_mcc_mnc(uint8_t* mcc_bytes, uint8_t* mnc_bytes, asn1::bit_ref& bref);
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} // namespace nas_5g
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} // namespace srsran
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#endif // MANUAL_H
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