CHAPTER 78. DONGLES CHAPTER 78. DONGLES
.text:0000D7FF call startup_err
If it is 0, an encrypted error message is passed to a decryption routine and printed.
The error string decryption routine seems a simplexoring:
.text:0000A43C err_warn proc near ; CODE XREF: prep_sys+E8p
.text:0000A43C ; prep_sys2+2Fp ...
.text:0000A43C
.text:0000A43C var_55 = byte ptr -55h
.text:0000A43C var_54 = byte ptr -54h
.text:0000A43C arg_0 = dword ptr 8
.text:0000A43C arg_4 = dword ptr 0Ch
.text:0000A43C arg_8 = dword ptr 10h
.text:0000A43C arg_C = dword ptr 14h
.text:0000A43C
.text:0000A43C push ebp
.text:0000A43D mov ebp, esp
.text:0000A43F sub esp, 54h
.text:0000A442 push edi
.text:0000A443 mov ecx, [ebp+arg_8]
.text:0000A446 xor edi, edi
.text:0000A448 test ecx, ecx
.text:0000A44A push esi
.text:0000A44B jle short loc_A466
.text:0000A44D mov esi, [ebp+arg_C] ; key
.text:0000A450 mov edx, [ebp+arg_4] ; string
.text:0000A453
.text:0000A453 loc_A453: ; CODE XREF: err_warn+28j
.text:0000A453 xor eax, eax
.text:0000A455 mov al, [edx+edi]
.text:0000A458 xor eax, esi
.text:0000A45A add esi, 3
.text:0000A45D inc edi
.text:0000A45E cmp edi, ecx
.text:0000A460 mov [ebp+edi+var_55], al
.text:0000A464 jl short loc_A453
.text:0000A466
.text:0000A466 loc_A466: ; CODE XREF: err_warn+Fj
.text:0000A466 mov [ebp+edi+var_54], 0
.text:0000A46B mov eax, [ebp+arg_0]
.text:0000A46E cmp eax, 18h
.text:0000A473 jnz short loc_A49C
.text:0000A475 lea eax, [ebp+var_54]
.text:0000A478 push eax
.text:0000A479 call status_line
.text:0000A47E add esp, 4
.text:0000A481
.text:0000A481 loc_A481: ; CODE XREF: err_warn+72j
.text:0000A481 push 50h
.text:0000A483 push 0
.text:0000A485 lea eax, [ebp+var_54]
.text:0000A488 push eax
.text:0000A489 call memset
.text:0000A48E call pcv_refresh
.text:0000A493 add esp, 0Ch
.text:0000A496 pop esi
.text:0000A497 pop edi
.text:0000A498 mov esp, ebp
.text:0000A49A pop ebp
.text:0000A49B retn
.text:0000A49C
.text:0000A49C loc_A49C: ; CODE XREF: err_warn+37j
.text:0000A49C push 0
.text:0000A49E lea eax, [ebp+var_54]
.text:0000A4A1 mov edx, [ebp+arg_0]
.text:0000A4A4 push edx
.text:0000A4A5 push eax
.text:0000A4A6 call pcv_lputs
.text:0000A4AB add esp, 0Ch
.text:0000A4AE jmp short loc_A481