Function at 0x455215
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x455244
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x45524e
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00455e9e
test eax, eax
pop ecx
je 0x455269
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042849a
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042b2e7
test eax, eax
pop ecx
je 0x455284
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042849a
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4552a1
test ecx, 0x74000
jne 0x45529d
cmp dword [ebp - 0x24], eax
je 0x4552a1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x4552fb
dec eax
je 0x4552e5
dec eax
je 0x4552e0
call fcn.0042aeac
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042ae99
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00428596
add esp, 0x14
jmp 0x4558ae
mov dword [ebp - 8], edx
jmp 0x4552fe
test cl, 8
je 0x4552f2
test ecx, 0x70000
jne 0x4552e0
mov dword [ebp - 8], 0x40000000
jmp 0x4552fe
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45533f
sub eax, ecx
je 0x455336
sub eax, ecx
je 0x45532d
sub eax, ecx
je 0x455324
sub eax, 0x40
jne 0x4552ba
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455342
mov dword [ebp - 0x10], 3
jmp 0x455342
mov dword [ebp - 0x10], 2
jmp 0x455342
mov dword [ebp - 0x10], 1
jmp 0x455342
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 0x455395
je 0x45538c
cmp eax, ebx
je 0x45538c
cmp eax, edi
je 0x455383
cmp eax, 0x200
je 0x455408
cmp eax, 0x300
jne 0x4552ba
mov dword [ebp - 0x14], 2
jmp 0x4553b2
mov dword [ebp - 0x14], 4
jmp 0x4553b2
mov dword [ebp - 0x14], 3
jmp 0x4553b2
cmp eax, 0x500
je 0x4553ab
cmp eax, 0x600
je 0x455408
cmp eax, edx
jne 0x4552ba
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4553d6
mov ecx, dword [0x471270]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4553d6
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4553f2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4553f2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4553fb
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455411
or dword [ebp - 0xc], 0x8000000
jmp 0x45541c
mov dword [ebp - 0x14], 5
jmp 0x4553b2
test al, 0x10
je 0x45541c
or dword [ebp - 0xc], 0x10000000
call fcn.0043c878
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455442
call fcn.0042aeac
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042ae99
mov dword [eax], 0x18
jmp 0x4554d0
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x4554dc
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4554a8
test byte [ebp + 0x10], 1
je 0x4554a8
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x4554dc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x472280]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042aebf
pop ecx
call fcn.0042ae99
mov eax, dword [eax]
jmp 0x45596a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x45552d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x472280]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042aebf
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4554d0
call fcn.0042ae99
mov dword [eax], 0xd
jmp 0x4554d0
cmp eax, 2
jne 0x455538
or byte [ebp - 1], 0x40
jmp 0x455541
cmp eax, 3
jne 0x455541
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043c647
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x472280]
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 + 0x472280]
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 0x455617
test cl, 0x80
je 0x4556e7
test byte [ebp + 0x10], 2
je 0x455617
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00432747
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4555d5
call fcn.0042aeac
cmp dword [eax], 0x83
je 0x455617
push dword [esi]
call fcn.00432b15
jmp 0x4554cf
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0043bccd
add esp, 0xc
test eax, eax
jne 0x455607
cmp word [ebp - 0x2c], 0x1a
jne 0x455607
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00455c2e
add esp, 0xc
cmp eax, edi
je 0x4555c9
push ebx
push ebx
push dword [esi]
call fcn.00432747
add esp, 0xc
cmp eax, edi
je 0x4555c9
test byte [ebp - 1], 0x80
je 0x4556e7
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45563f
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45563c
or dword [ebp + 0x10], edi
jmp 0x45563f
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45568c
cmp eax, 0x10000
je 0x455678
cmp eax, 0x14000
je 0x455678
cmp eax, 0x20000
je 0x455686
cmp eax, 0x24000
je 0x455686
cmp eax, 0x40000
je 0x455672
cmp eax, 0x44000
jne 0x45568f
mov byte [ebp - 2], 1
jmp 0x45568f
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45568f
mov byte [ebp - 2], 2
jmp 0x45568f
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4556e7
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4556e7
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455841
cmp eax, 0x80000000
je 0x455808
cmp eax, ecx
jne 0x4556e7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4556e7
cmp eax, 2
jbe 0x4558e9
cmp eax, 4
jbe 0x4557da
cmp eax, 5
je 0x4558e9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x472280]
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 + 0x472280]
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 0x455759
test byte [ebp + 0x10], 8
je 0x455759
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x472280]
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 0x455968
test byte [ebp + 0x10], 1
je 0x455968
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x455951
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042aebf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x472280]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0043c6c4
pop ecx
jmp 0x4554cf
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043c38b
add esp, 0x10
or eax, edx
je 0x4558e9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043c38b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4555c9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043bccd
add esp, 0xc
cmp eax, 0xffffffff
je 0x4555c9
cmp eax, 2
je 0x45588d
cmp eax, 3
jne 0x4558db
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45588d
mov byte [ebp - 2], 1
jmp 0x4556e7
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4556e7
cmp eax, 2
jbe 0x4558e9
cmp eax, 4
ja 0x4556de
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043c38b
add esp, 0x10
or eax, edx
je 0x4558e9
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043c38b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4556e7
jmp 0x4555c9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4558b5
push dword [esi]
call fcn.00432b15
pop ecx
call fcn.0042ae99
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45596a
cmp eax, 0xfeff
jne 0x4558db
push ebx
push 2
push dword [esi]
call fcn.00432747
add esp, 0xc
cmp eax, 0xffffffff
je 0x4555c9
mov byte [ebp - 2], 2
jmp 0x4556e7
push ebx
push ebx
push dword [esi]
call fcn.00432747
add esp, 0xc
jmp 0x45587f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x455909
dec eax
jne 0x4556e7
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x455917
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.00432115
add esp, 0xc
cmp eax, 0xffffffff
je 0x45593d
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x455917
jmp 0x4556e7
push dword [esi]
call fcn.00432b15
pop ecx
call fcn.0042ae99
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45596a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x472280]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret