Function at 0x4420b0
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 0x4420df
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4420e9
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00444f07
test eax, eax
pop ecx
je 0x442104
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ba29
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004335a7
test eax, eax
pop ecx
je 0x44211f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ba29
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x44213c
test ecx, 0x74000
jne 0x442138
cmp dword [ebp - 0x24], eax
je 0x44213c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x442196
dec eax
je 0x442180
dec eax
je 0x44217b
call fcn.0042f092
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042f07f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042bb25
add esp, 0x14
jmp 0x442748
mov dword [ebp - 8], edx
jmp 0x442199
test cl, 8
je 0x44218d
test ecx, 0x70000
jne 0x44217b
mov dword [ebp - 8], 0x40000000
jmp 0x442199
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4421da
sub eax, ecx
je 0x4421d1
sub eax, ecx
je 0x4421c8
sub eax, ecx
je 0x4421bf
sub eax, 0x40
jne 0x442155
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4421dd
mov dword [ebp - 0x10], 3
jmp 0x4421dd
mov dword [ebp - 0x10], 2
jmp 0x4421dd
mov dword [ebp - 0x10], 1
jmp 0x4421dd
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 0x442230
je 0x442227
cmp eax, ebx
je 0x442227
cmp eax, edi
je 0x44221e
cmp eax, 0x200
je 0x4422a3
cmp eax, 0x300
jne 0x442155
mov dword [ebp - 0x14], 2
jmp 0x44224d
mov dword [ebp - 0x14], 4
jmp 0x44224d
mov dword [ebp - 0x14], 3
jmp 0x44224d
cmp eax, 0x500
je 0x442246
cmp eax, 0x600
je 0x4422a3
cmp eax, edx
jne 0x442155
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x442271
mov ecx, dword [0x456130]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x442271
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x44228d
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x44228d
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x442296
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4422ac
or dword [ebp - 0xc], 0x8000000
jmp 0x4422b7
mov dword [ebp - 0x14], 5
jmp 0x44224d
test al, 0x10
je 0x4422b7
or dword [ebp - 0xc], 0x10000000
call fcn.00441106
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4422dd
call fcn.0042f092
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042f07f
mov dword [eax], 0x18
jmp 0x44236b
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 0x442377
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x442343
test byte [ebp + 0x10], 1
je 0x442343
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 0x442377
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x456d00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042f0a5
pop ecx
call fcn.0042f07f
mov eax, dword [eax]
jmp 0x442804
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4423c8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x456d00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042f0a5
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x44236b
call fcn.0042f07f
mov dword [eax], 0xd
jmp 0x44236b
cmp eax, 2
jne 0x4423d3
or byte [ebp - 1], 0x40
jmp 0x4423dc
cmp eax, 3
jne 0x4423dc
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00440ed5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x456d00]
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 + 0x456d00]
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 0x4424b1
test cl, 0x80
je 0x442581
test byte [ebp + 0x10], 2
je 0x4424b1
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x442470
call fcn.0042f092
cmp dword [eax], 0x83
je 0x4424b1
push dword [esi]
call fcn.0043bf95
jmp 0x44236a
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0043cf36
add esp, 0xc
test eax, eax
jne 0x4424a1
cmp byte [ebp - 4], 0x1a
jne 0x4424a1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00444c97
add esp, 0xc
cmp eax, edi
je 0x442464
push ebx
push ebx
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, edi
je 0x442464
test byte [ebp - 1], 0x80
je 0x442581
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4424d9
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4424d6
or dword [ebp + 0x10], edi
jmp 0x4424d9
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x442526
cmp eax, 0x10000
je 0x442512
cmp eax, 0x14000
je 0x442512
cmp eax, 0x20000
je 0x442520
cmp eax, 0x24000
je 0x442520
cmp eax, 0x40000
je 0x44250c
cmp eax, 0x44000
jne 0x442529
mov byte [ebp - 2], 1
jmp 0x442529
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x442529
mov byte [ebp - 2], 2
jmp 0x442529
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x442581
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x442581
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4426db
cmp eax, 0x80000000
je 0x4426a2
cmp eax, ecx
jne 0x442581
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x442581
cmp eax, 2
jbe 0x442783
cmp eax, 4
jbe 0x442674
cmp eax, 5
je 0x442783
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
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 + 0x456d00]
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 0x4425f3
test byte [ebp + 0x10], 8
je 0x4425f3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
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 0x442802
test byte [ebp + 0x10], 1
je 0x442802
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 0x4427eb
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042f0a5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00440f52
pop ecx
jmp 0x44236a
push 2
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
or eax, edx
je 0x442783
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004406e2
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x442464
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043cf36
add esp, 0xc
cmp eax, 0xffffffff
je 0x442464
cmp eax, 2
je 0x442727
cmp eax, 3
jne 0x442775
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x442727
mov byte [ebp - 2], 1
jmp 0x442581
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x442581
cmp eax, 2
jbe 0x442783
cmp eax, 4
ja 0x442578
push 2
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
or eax, edx
je 0x442783
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x442581
jmp 0x442464
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x44274f
push dword [esi]
call fcn.0043bf95
pop ecx
call fcn.0042f07f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x442804
cmp eax, 0xfeff
jne 0x442775
push ebx
push 2
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, 0xffffffff
je 0x442464
mov byte [ebp - 2], 2
jmp 0x442581
push ebx
push ebx
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
jmp 0x442719
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4427a3
dec eax
jne 0x442581
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4427b1
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.0043b850
add esp, 0xc
cmp eax, 0xffffffff
je 0x4427d7
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4427b1
jmp 0x442581
push dword [esi]
call fcn.0043bf95
pop ecx
call fcn.0042f07f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x442804
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret