# justCTF2019  Some writeups of justCTF2019  ## FSMir (Reverse 157pt)  ### DescriptionWe managed to intercept description of some kind of a security module, but our intern does not know this language. Hopefully you know how to approach this problem.  ```E:\vmshare\ctf\justctf2019\reverse\FSMir>python solver.pyStart:}?}t?}ht?}ght?}ight?}right?}_right?}n_right?}on_right?}ion_right?}tion_right?}ation_right?}tation_right?}otation_right?}notation_right?}_notation_right?}y_notation_right?}cy_notation_right?}ncy_notation_right?}ancy_notation_right?}fancy_notation_right?}_fancy_notation_right?}h_fancy_notation_right?}th_fancy_notation_right?}ith_fancy_notation_right?}with_fancy_notation_right?}_with_fancy_notation_right?}C_with_fancy_notation_right?}_C_with_fancy_notation_right?}t_C_with_fancy_notation_right?}st_C_with_fancy_notation_right?}ust_C_with_fancy_notation_right?}just_C_with_fancy_notation_right?}_just_C_with_fancy_notation_right?}s_just_C_with_fancy_notation_right?}is_just_C_with_fancy_notation_right?}_is_just_C_with_fancy_notation_right?}g_is_just_C_with_fancy_notation_right?}og_is_just_C_with_fancy_notation_right?}log_is_just_C_with_fancy_notation_right?}ilog_is_just_C_with_fancy_notation_right?}rilog_is_just_C_with_fancy_notation_right?}erilog_is_just_C_with_fancy_notation_right?}Verilog_is_just_C_with_fancy_notation_right?}mVerilog_is_just_C_with_fancy_notation_right?}emVerilog_is_just_C_with_fancy_notation_right?}temVerilog_is_just_C_with_fancy_notation_right?}stemVerilog_is_just_C_with_fancy_notation_right?}ystemVerilog_is_just_C_with_fancy_notation_right?}SystemVerilog_is_just_C_with_fancy_notation_right?}{SystemVerilog_is_just_C_with_fancy_notation_right?}F{SystemVerilog_is_just_C_with_fancy_notation_right?}TF{SystemVerilog_is_just_C_with_fancy_notation_right?}CTF{SystemVerilog_is_just_C_with_fancy_notation_right?}tCTF{SystemVerilog_is_just_C_with_fancy_notation_right?}stCTF{SystemVerilog_is_just_C_with_fancy_notation_right?}ustCTF{SystemVerilog_is_just_C_with_fancy_notation_right?}justCTF{SystemVerilog_is_just_C_with_fancy_notation_right?}```## FSMir2 (Reverse 201pt)  ### DescriptionWe intercepted yet another security module, this time our intern fainted from just looking at the source code, but it's a piece of cake for a hacker like yourself, right?  ```E:\vmshare\ctf\justctf2019\reverse\FSMir2>python solver2.pyjustCTF{I_h0p3_y0u_us3d_v3r1L4t0r_0r_sth...}```