Function at 0x17cfef2
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x17cff21
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x17cff2b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.017d59fd
test eax, eax
pop ecx
je 0x17cff46
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.017b49a5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.017ba8a3
test eax, eax
pop ecx
je 0x17cff61
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.017b49a5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x17cff7e
test ecx, 0x74000
jne 0x17cff7a
cmp dword [ebp - 0x24], eax
je 0x17cff7e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x17cffd8
dec eax
je 0x17cffc2
dec eax
je 0x17cffbd
call fcn.017b9008
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.017b8ff5
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.017b4ad9
add esp, 0x14
jmp 0x17d058a
mov dword [ebp - 8], edx
jmp 0x17cffdb
test cl, 8
je 0x17cffcf
test ecx, 0x70000
jne 0x17cffbd
mov dword [ebp - 8], 0x40000000
jmp 0x17cffdb
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x17d001c
sub eax, ecx
je 0x17d0013
sub eax, ecx
je 0x17d000a
sub eax, ecx
je 0x17d0001
sub eax, 0x40
jne 0x17cff97
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x17d001f
mov dword [ebp - 0x10], 3
jmp 0x17d001f
mov dword [ebp - 0x10], 2
jmp 0x17d001f
mov dword [ebp - 0x10], 1
jmp 0x17d001f
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x17d0072
je 0x17d0069
cmp eax, ebx
je 0x17d0069
cmp eax, edi
je 0x17d0060
cmp eax, 0x200
je 0x17d00e5
cmp eax, 0x300
jne 0x17cff97
mov dword [ebp - 0x14], 2
jmp 0x17d008f
mov dword [ebp - 0x14], 4
jmp 0x17d008f
mov dword [ebp - 0x14], 3
jmp 0x17d008f
cmp eax, 0x500
je 0x17d0088
cmp eax, 0x600
je 0x17d00e5
cmp eax, edx
jne 0x17cff97
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x17d00b3
mov ecx, dword [0x18adc74]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x17d00b3
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x17d00cf
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x17d00cf
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x17d00d8
or dword [ebp - 0xc], edi
test al, 0x20
je 0x17d00ee
or dword [ebp - 0xc], 0x8000000
jmp 0x17d00f9
mov dword [ebp - 0x14], 5
jmp 0x17d008f
test al, 0x10
je 0x17d00f9
or dword [ebp - 0xc], 0x10000000
call fcn.017cf400
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x17d011f
call fcn.017b9008
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.017b8ff5
mov dword [eax], 0x18
jmp 0x17d01ad
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x17d01b9
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x17d0185
test byte [ebp + 0x10], 1
je 0x17d0185
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x17d01b9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x18af060]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.017b901b
pop ecx
call fcn.017b8ff5
mov eax, dword [eax]
jmp 0x17d0646
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x17d020a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x18af060]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.017b901b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x17d01ad
call fcn.017b8ff5
mov dword [eax], 0xd
jmp 0x17d01ad
cmp eax, 2
jne 0x17d0215
or byte [ebp - 1], 0x40
jmp 0x17d021e
cmp eax, 3
jne 0x17d021e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.017cf1cf
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x18af060]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x18af060]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x17d02f3
test cl, 0x80
je 0x17d03c3
test byte [ebp + 0x10], 2
je 0x17d02f3
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.017d57ad
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x17d02b2
call fcn.017b9008
cmp dword [eax], 0x83
je 0x17d02f3
push dword [esi]
call fcn.017c0a08
jmp 0x17d01ac
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.017cf834
add esp, 0xc
test eax, eax
jne 0x17d02e3
cmp byte [ebp - 4], 0x1a
jne 0x17d02e3
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.017d54f4
add esp, 0xc
cmp eax, edi
je 0x17d02a6
push ebx
push ebx
push dword [esi]
call fcn.017d57ad
add esp, 0xc
cmp eax, edi
je 0x17d02a6
test byte [ebp - 1], 0x80
je 0x17d03c3
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x17d031b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x17d0318
or dword [ebp + 0x10], edi
jmp 0x17d031b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x17d0368
cmp eax, 0x10000
je 0x17d0354
cmp eax, 0x14000
je 0x17d0354
cmp eax, 0x20000
je 0x17d0362
cmp eax, 0x24000
je 0x17d0362
cmp eax, 0x40000
je 0x17d034e
cmp eax, 0x44000
jne 0x17d036b
mov byte [ebp - 2], 1
jmp 0x17d036b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x17d036b
mov byte [ebp - 2], 2
jmp 0x17d036b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x17d03c3
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x17d03c3
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x17d051d
cmp eax, 0x80000000
je 0x17d04e4
cmp eax, ecx
jne 0x17d03c3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x17d03c3
cmp eax, 2
jbe 0x17d05c5
cmp eax, 4
jbe 0x17d04b6
cmp eax, 5
je 0x17d05c5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x18af060]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x18af060]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x17d0435
test byte [ebp + 0x10], 8
je 0x17d0435
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x18af060]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x17d0644
test byte [ebp + 0x10], 1
je 0x17d0644
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x17d062d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.017b901b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x18af060]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.017cf24c
pop ecx
jmp 0x17d01ac
push 2
push ebx
push ebx
push dword [esi]
call fcn.017ce882
add esp, 0x10
or eax, edx
je 0x17d05c5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.017ce882
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x17d02a6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.017cf834
add esp, 0xc
cmp eax, 0xffffffff
je 0x17d02a6
cmp eax, 2
je 0x17d0569
cmp eax, 3
jne 0x17d05b7
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x17d0569
mov byte [ebp - 2], 1
jmp 0x17d03c3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x17d03c3
cmp eax, 2
jbe 0x17d05c5
cmp eax, 4
ja 0x17d03ba
push 2
push ebx
push ebx
push dword [esi]
call fcn.017ce882
add esp, 0x10
or eax, edx
je 0x17d05c5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.017ce882
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x17d03c3
jmp 0x17d02a6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x17d0591
push dword [esi]
call fcn.017c0a08
pop ecx
call fcn.017b8ff5
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x17d0646
cmp eax, 0xfeff
jne 0x17d05b7
push ebx
push 2
push dword [esi]
call fcn.017d57ad
add esp, 0xc
cmp eax, 0xffffffff
je 0x17d02a6
mov byte [ebp - 2], 2
jmp 0x17d03c3
push ebx
push ebx
push dword [esi]
call fcn.017d57ad
add esp, 0xc
jmp 0x17d055b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x17d05e5
dec eax
jne 0x17d03c3
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x17d05f3
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.017c0584
add esp, 0xc
cmp eax, 0xffffffff
je 0x17d0619
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x17d05f3
jmp 0x17d03c3
push dword [esi]
call fcn.017c0a08
pop ecx
call fcn.017b8ff5
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x17d0646
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x18af060]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret