Function at 0x455965
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 0x455994
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x45599e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045b0a5
test eax, eax
pop ecx
je 0x4559b9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043deb2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00445ddc
test eax, eax
pop ecx
je 0x4559d4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043deb2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4559f1
test ecx, 0x74000
jne 0x4559ed
cmp dword [ebp - 0x24], eax
je 0x4559f1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x455a4b
dec eax
je 0x455a35
dec eax
je 0x455a30
call fcn.0043cdb9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043cda6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043dfae
add esp, 0x14
jmp 0x455ffd
mov dword [ebp - 8], edx
jmp 0x455a4e
test cl, 8
je 0x455a42
test ecx, 0x70000
jne 0x455a30
mov dword [ebp - 8], 0x40000000
jmp 0x455a4e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x455a8f
sub eax, ecx
je 0x455a86
sub eax, ecx
je 0x455a7d
sub eax, ecx
je 0x455a74
sub eax, 0x40
jne 0x455a0a
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455a92
mov dword [ebp - 0x10], 3
jmp 0x455a92
mov dword [ebp - 0x10], 2
jmp 0x455a92
mov dword [ebp - 0x10], 1
jmp 0x455a92
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 0x455ae5
je 0x455adc
cmp eax, ebx
je 0x455adc
cmp eax, edi
je 0x455ad3
cmp eax, 0x200
je 0x455b58
cmp eax, 0x300
jne 0x455a0a
mov dword [ebp - 0x14], 2
jmp 0x455b02
mov dword [ebp - 0x14], 4
jmp 0x455b02
mov dword [ebp - 0x14], 3
jmp 0x455b02
cmp eax, 0x500
je 0x455afb
cmp eax, 0x600
je 0x455b58
cmp eax, edx
jne 0x455a0a
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x455b26
mov ecx, dword [0x510bbc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x455b26
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x455b42
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x455b42
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x455b4b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455b61
or dword [ebp - 0xc], 0x8000000
jmp 0x455b6c
mov dword [ebp - 0x14], 5
jmp 0x455b02
test al, 0x10
je 0x455b6c
or dword [ebp - 0xc], 0x10000000
call fcn.00456974
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455b92
call fcn.0043cdb9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043cda6
mov dword [eax], 0x18
jmp 0x455c20
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 0x455c2c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455bf8
test byte [ebp + 0x10], 1
je 0x455bf8
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 0x455c2c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043cdcc
pop ecx
call fcn.0043cda6
mov eax, dword [eax]
jmp 0x4560b9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x455c7d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5121a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0043cdcc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x455c20
call fcn.0043cda6
mov dword [eax], 0xd
jmp 0x455c20
cmp eax, 2
jne 0x455c88
or byte [ebp - 1], 0x40
jmp 0x455c91
cmp eax, 3
jne 0x455c91
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00456743
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5121a0]
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 + 0x5121a0]
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 0x455d66
test cl, 0x80
je 0x455e36
test byte [ebp + 0x10], 2
je 0x455d66
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004492fb
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x455d25
call fcn.0043cdb9
cmp dword [eax], 0x83
je 0x455d66
push dword [esi]
call fcn.00447d47
jmp 0x455c1f
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004481fb
add esp, 0xc
test eax, eax
jne 0x455d56
cmp byte [ebp - 4], 0x1a
jne 0x455d56
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045ae35
add esp, 0xc
cmp eax, edi
je 0x455d19
push ebx
push ebx
push dword [esi]
call fcn.004492fb
add esp, 0xc
cmp eax, edi
je 0x455d19
test byte [ebp - 1], 0x80
je 0x455e36
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x455d8e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x455d8b
or dword [ebp + 0x10], edi
jmp 0x455d8e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x455ddb
cmp eax, 0x10000
je 0x455dc7
cmp eax, 0x14000
je 0x455dc7
cmp eax, 0x20000
je 0x455dd5
cmp eax, 0x24000
je 0x455dd5
cmp eax, 0x40000
je 0x455dc1
cmp eax, 0x44000
jne 0x455dde
mov byte [ebp - 2], 1
jmp 0x455dde
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x455dde
mov byte [ebp - 2], 2
jmp 0x455dde
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x455e36
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x455e36
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x455f90
cmp eax, 0x80000000
je 0x455f57
cmp eax, ecx
jne 0x455e36
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455e36
cmp eax, 2
jbe 0x456038
cmp eax, 4
jbe 0x455f29
cmp eax, 5
je 0x456038
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
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 + 0x5121a0]
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 0x455ea8
test byte [ebp + 0x10], 8
je 0x455ea8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
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 0x4560b7
test byte [ebp + 0x10], 1
je 0x4560b7
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 0x4560a0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043cdcc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004567c0
pop ecx
jmp 0x455c1f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456c38
add esp, 0x10
or eax, edx
je 0x456038
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456c38
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x455d19
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004481fb
add esp, 0xc
cmp eax, 0xffffffff
je 0x455d19
cmp eax, 2
je 0x455fdc
cmp eax, 3
jne 0x45602a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x455fdc
mov byte [ebp - 2], 1
jmp 0x455e36
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455e36
cmp eax, 2
jbe 0x456038
cmp eax, 4
ja 0x455e2d
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456c38
add esp, 0x10
or eax, edx
je 0x456038
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456c38
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x455e36
jmp 0x455d19
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x456004
push dword [esi]
call fcn.00447d47
pop ecx
call fcn.0043cda6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4560b9
cmp eax, 0xfeff
jne 0x45602a
push ebx
push 2
push dword [esi]
call fcn.004492fb
add esp, 0xc
cmp eax, 0xffffffff
je 0x455d19
mov byte [ebp - 2], 2
jmp 0x455e36
push ebx
push ebx
push dword [esi]
call fcn.004492fb
add esp, 0xc
jmp 0x455fce
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x456058
dec eax
jne 0x455e36
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x456066
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.00448fdf
add esp, 0xc
cmp eax, 0xffffffff
je 0x45608c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x456066
jmp 0x455e36
push dword [esi]
call fcn.00447d47
pop ecx
call fcn.0043cda6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4560b9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5121a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret