Function at 0x42c143
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 0x42c172
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x42c17c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0042e031
test eax, eax
pop ecx
je 0x42c197
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00419d03
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00421084
test eax, eax
pop ecx
je 0x42c1b2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00419d03
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42c1cf
test ecx, 0x74000
jne 0x42c1cb
cmp dword [ebp - 0x24], eax
je 0x42c1cf
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x42c229
dec eax
je 0x42c213
dec eax
je 0x42c20e
call fcn.0041bd92
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0041bd7f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00419dff
add esp, 0x14
jmp 0x42c7db
mov dword [ebp - 8], edx
jmp 0x42c22c
test cl, 8
je 0x42c220
test ecx, 0x70000
jne 0x42c20e
mov dword [ebp - 8], 0x40000000
jmp 0x42c22c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42c26d
sub eax, ecx
je 0x42c264
sub eax, ecx
je 0x42c25b
sub eax, ecx
je 0x42c252
sub eax, 0x40
jne 0x42c1e8
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42c270
mov dword [ebp - 0x10], 3
jmp 0x42c270
mov dword [ebp - 0x10], 2
jmp 0x42c270
mov dword [ebp - 0x10], 1
jmp 0x42c270
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 0x42c2c3
je 0x42c2ba
cmp eax, ebx
je 0x42c2ba
cmp eax, edi
je 0x42c2b1
cmp eax, 0x200
je 0x42c336
cmp eax, 0x300
jne 0x42c1e8
mov dword [ebp - 0x14], 2
jmp 0x42c2e0
mov dword [ebp - 0x14], 4
jmp 0x42c2e0
mov dword [ebp - 0x14], 3
jmp 0x42c2e0
cmp eax, 0x500
je 0x42c2d9
cmp eax, 0x600
je 0x42c336
cmp eax, edx
jne 0x42c1e8
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42c304
mov ecx, dword [0x44500c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42c304
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42c320
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42c320
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42c329
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42c33f
or dword [ebp - 0xc], 0x8000000
jmp 0x42c34a
mov dword [ebp - 0x14], 5
jmp 0x42c2e0
test al, 0x10
je 0x42c34a
or dword [ebp - 0xc], 0x10000000
call fcn.0042a2b6
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42c370
call fcn.0041bd92
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0041bd7f
mov dword [eax], 0x18
jmp 0x42c3fe
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 0x42c40a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42c3d6
test byte [ebp + 0x10], 1
je 0x42c3d6
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 0x42c40a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x445e00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041bda5
pop ecx
call fcn.0041bd7f
mov eax, dword [eax]
jmp 0x42c897
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42c45b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x445e00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0041bda5
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42c3fe
call fcn.0041bd7f
mov dword [eax], 0xd
jmp 0x42c3fe
cmp eax, 2
jne 0x42c466
or byte [ebp - 1], 0x40
jmp 0x42c46f
cmp eax, 3
jne 0x42c46f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042a085
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x445e00]
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 + 0x445e00]
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 0x42c544
test cl, 0x80
je 0x42c614
test byte [ebp + 0x10], 2
je 0x42c544
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00423771
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42c503
call fcn.0041bd92
cmp dword [eax], 0x83
je 0x42c544
push dword [esi]
call fcn.00424658
jmp 0x42c3fd
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042a8da
add esp, 0xc
test eax, eax
jne 0x42c534
cmp byte [ebp - 4], 0x1a
jne 0x42c534
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042ddc1
add esp, 0xc
cmp eax, edi
je 0x42c4f7
push ebx
push ebx
push dword [esi]
call fcn.00423771
add esp, 0xc
cmp eax, edi
je 0x42c4f7
test byte [ebp - 1], 0x80
je 0x42c614
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42c56c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42c569
or dword [ebp + 0x10], edi
jmp 0x42c56c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42c5b9
cmp eax, 0x10000
je 0x42c5a5
cmp eax, 0x14000
je 0x42c5a5
cmp eax, 0x20000
je 0x42c5b3
cmp eax, 0x24000
je 0x42c5b3
cmp eax, 0x40000
je 0x42c59f
cmp eax, 0x44000
jne 0x42c5bc
mov byte [ebp - 2], 1
jmp 0x42c5bc
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42c5bc
mov byte [ebp - 2], 2
jmp 0x42c5bc
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42c614
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42c614
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42c76e
cmp eax, 0x80000000
je 0x42c735
cmp eax, ecx
jne 0x42c614
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42c614
cmp eax, 2
jbe 0x42c816
cmp eax, 4
jbe 0x42c707
cmp eax, 5
je 0x42c816
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x445e00]
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 + 0x445e00]
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 0x42c686
test byte [ebp + 0x10], 8
je 0x42c686
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x445e00]
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 0x42c895
test byte [ebp + 0x10], 1
je 0x42c895
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 0x42c87e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041bda5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x445e00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042a102
pop ecx
jmp 0x42c3fd
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042a73e
add esp, 0x10
or eax, edx
je 0x42c816
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042a73e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42c4f7
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042a8da
add esp, 0xc
cmp eax, 0xffffffff
je 0x42c4f7
cmp eax, 2
je 0x42c7ba
cmp eax, 3
jne 0x42c808
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42c7ba
mov byte [ebp - 2], 1
jmp 0x42c614
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42c614
cmp eax, 2
jbe 0x42c816
cmp eax, 4
ja 0x42c60b
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042a73e
add esp, 0x10
or eax, edx
je 0x42c816
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042a73e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42c614
jmp 0x42c4f7
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42c7e2
push dword [esi]
call fcn.00424658
pop ecx
call fcn.0041bd7f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42c897
cmp eax, 0xfeff
jne 0x42c808
push ebx
push 2
push dword [esi]
call fcn.00423771
add esp, 0xc
cmp eax, 0xffffffff
je 0x42c4f7
mov byte [ebp - 2], 2
jmp 0x42c614
push ebx
push ebx
push dword [esi]
call fcn.00423771
add esp, 0xc
jmp 0x42c7ac
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42c836
dec eax
jne 0x42c614
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42c844
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.004241eb
add esp, 0xc
cmp eax, 0xffffffff
je 0x42c86a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42c844
jmp 0x42c614
push dword [esi]
call fcn.00424658
pop ecx
call fcn.0041bd7f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42c897
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x445e00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret