Function at 0x41fcbf
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 0x41fcee
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x41fcf8
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00422705
test eax, eax
pop ecx
je 0x41fd13
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00415e52
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004149af
test eax, eax
pop ecx
je 0x41fd2e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00415e52
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41fd4b
test ecx, 0x74000
jne 0x41fd47
cmp dword [ebp - 0x24], eax
je 0x41fd4b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41fda5
dec eax
je 0x41fd8f
dec eax
je 0x41fd8a
call fcn.00412ec9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00412eb6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00415f4e
add esp, 0x14
jmp 0x420357
mov dword [ebp - 8], edx
jmp 0x41fda8
test cl, 8
je 0x41fd9c
test ecx, 0x70000
jne 0x41fd8a
mov dword [ebp - 8], 0x40000000
jmp 0x41fda8
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41fde9
sub eax, ecx
je 0x41fde0
sub eax, ecx
je 0x41fdd7
sub eax, ecx
je 0x41fdce
sub eax, 0x40
jne 0x41fd64
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41fdec
mov dword [ebp - 0x10], 3
jmp 0x41fdec
mov dword [ebp - 0x10], 2
jmp 0x41fdec
mov dword [ebp - 0x10], 1
jmp 0x41fdec
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 0x41fe3f
je 0x41fe36
cmp eax, ebx
je 0x41fe36
cmp eax, edi
je 0x41fe2d
cmp eax, 0x200
je 0x41feb2
cmp eax, 0x300
jne 0x41fd64
mov dword [ebp - 0x14], 2
jmp 0x41fe5c
mov dword [ebp - 0x14], 4
jmp 0x41fe5c
mov dword [ebp - 0x14], 3
jmp 0x41fe5c
cmp eax, 0x500
je 0x41fe55
cmp eax, 0x600
je 0x41feb2
cmp eax, edx
jne 0x41fd64
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41fe80
mov ecx, dword [0x436238]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41fe80
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41fe9c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41fe9c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41fea5
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41febb
or dword [ebp - 0xc], 0x8000000
jmp 0x41fec6
mov dword [ebp - 0x14], 5
jmp 0x41fe5c
test al, 0x10
je 0x41fec6
or dword [ebp - 0xc], 0x10000000
call fcn.0041f7b4
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41feec
call fcn.00412ec9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00412eb6
mov dword [eax], 0x18
jmp 0x41ff7a
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 0x41ff86
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41ff52
test byte [ebp + 0x10], 1
je 0x41ff52
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 0x41ff86
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x436d80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00412edc
pop ecx
call fcn.00412eb6
mov eax, dword [eax]
jmp 0x420413
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41ffd7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x436d80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00412edc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41ff7a
call fcn.00412eb6
mov dword [eax], 0xd
jmp 0x41ff7a
cmp eax, 2
jne 0x41ffe2
or byte [ebp - 1], 0x40
jmp 0x41ffeb
cmp eax, 3
jne 0x41ffeb
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041f583
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x436d80]
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 + 0x436d80]
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 0x4200c0
test cl, 0x80
je 0x420190
test byte [ebp + 0x10], 2
je 0x4200c0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004225d7
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42007f
call fcn.00412ec9
cmp dword [eax], 0x83
je 0x4200c0
push dword [esi]
call fcn.004194b5
jmp 0x41ff79
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00421f19
add esp, 0xc
test eax, eax
jne 0x4200b0
cmp byte [ebp - 4], 0x1a
jne 0x4200b0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00421d65
add esp, 0xc
cmp eax, edi
je 0x420073
push ebx
push ebx
push dword [esi]
call fcn.004225d7
add esp, 0xc
cmp eax, edi
je 0x420073
test byte [ebp - 1], 0x80
je 0x420190
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4200e8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4200e5
or dword [ebp + 0x10], edi
jmp 0x4200e8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x420135
cmp eax, 0x10000
je 0x420121
cmp eax, 0x14000
je 0x420121
cmp eax, 0x20000
je 0x42012f
cmp eax, 0x24000
je 0x42012f
cmp eax, 0x40000
je 0x42011b
cmp eax, 0x44000
jne 0x420138
mov byte [ebp - 2], 1
jmp 0x420138
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x420138
mov byte [ebp - 2], 2
jmp 0x420138
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x420190
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x420190
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4202ea
cmp eax, 0x80000000
je 0x4202b1
cmp eax, ecx
jne 0x420190
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x420190
cmp eax, 2
jbe 0x420392
cmp eax, 4
jbe 0x420283
cmp eax, 5
je 0x420392
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x436d80]
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 + 0x436d80]
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 0x420202
test byte [ebp + 0x10], 8
je 0x420202
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x436d80]
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 0x420411
test byte [ebp + 0x10], 1
je 0x420411
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 0x4203fa
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00412edc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x436d80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041f600
pop ecx
jmp 0x41ff79
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041ea7d
add esp, 0x10
or eax, edx
je 0x420392
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041ea7d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x420073
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00421f19
add esp, 0xc
cmp eax, 0xffffffff
je 0x420073
cmp eax, 2
je 0x420336
cmp eax, 3
jne 0x420384
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x420336
mov byte [ebp - 2], 1
jmp 0x420190
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x420190
cmp eax, 2
jbe 0x420392
cmp eax, 4
ja 0x420187
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041ea7d
add esp, 0x10
or eax, edx
je 0x420392
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041ea7d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x420190
jmp 0x420073
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42035e
push dword [esi]
call fcn.004194b5
pop ecx
call fcn.00412eb6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x420413
cmp eax, 0xfeff
jne 0x420384
push ebx
push 2
push dword [esi]
call fcn.004225d7
add esp, 0xc
cmp eax, 0xffffffff
je 0x420073
mov byte [ebp - 2], 2
jmp 0x420190
push ebx
push ebx
push dword [esi]
call fcn.004225d7
add esp, 0xc
jmp 0x420328
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4203b2
dec eax
jne 0x420190
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4203c0
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.00419f5d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4203e6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4203c0
jmp 0x420190
push dword [esi]
call fcn.004194b5
pop ecx
call fcn.00412eb6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x420413
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x436d80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret