util.cpp doesn't compile

[ardabro]

c++ -- .r... -- util.cpp
util.cpp: In function ‘bool addrToHash160(uint8_t*, const uint8_t*, bool, bool)’:
util.cpp:606:9: error: ‘BN_CTX_init’ was not declared in this scope; did you mean ‘BN_CTX_end’?
  606 |         BN_CTX_init(ctx);
      |         ^~~~~~~~~~~
      |         BN_CTX_end
util.cpp: In function ‘void hash160ToAddr(uint8_t*, const uint8_t*, bool, uint8_t)’:
util.cpp:729:9: error: ‘BN_CTX_init’ was not declared in this scope; did you mean ‘BN_CTX_end’?
  729 |         BN_CTX_init(ctx);
      |         ^~~~~~~~~~~
      |         BN_CTX_end