sec: rename key variable in NEA2 ciphering engine

Author: robertfalkenberg

lib/security/ciphering_engine_nea2.cpp

@@ -15,10 +15,10 @@
 using namespace srsran;
 using namespace security;
 
-ciphering_engine_nea2::ciphering_engine_nea2(sec_128_key k_128_int, uint8_t bearer_id_, security_direction direction_) :
+ciphering_engine_nea2::ciphering_engine_nea2(sec_128_key k_128_enc, uint8_t bearer_id_, security_direction direction_) :
   bearer_id(bearer_id_), direction(direction_)
 {
-  int ret = aes_setkey_enc(&ctx, k_128_int.data(), 128);
+  int ret = aes_setkey_enc(&ctx, k_128_enc.data(), 128);
   if (ret != 0) {
     srsran_assertion_failure("Failure in aes_setkey_enc");
     return;

lib/security/ciphering_engine_nea2.h

@@ -22,7 +22,7 @@ namespace security {
 class ciphering_engine_nea2 final : public ciphering_engine
 {
 public:
-  ciphering_engine_nea2(sec_128_key k_128_int, uint8_t bearer_id_, security_direction direction_);
+  ciphering_engine_nea2(sec_128_key k_128_enc, uint8_t bearer_id_, security_direction direction_);
   virtual ~ciphering_engine_nea2() = default;
 
   security_result apply_ciphering(byte_buffer buf, size_t offset, uint32_t count) override;