Function at 0x42d1e0
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 0x42d20f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x42d219
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0042f40c
test eax, eax
pop ecx
je 0x42d234
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040ed77
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00410b88
test eax, eax
pop ecx
je 0x42d24f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040ed77
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x42d26c
test ecx, 0x74000
jne 0x42d268
cmp dword [ebp - 0x24], eax
je 0x42d26c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x42d2c6
dec eax
je 0x42d2b0
dec eax
je 0x42d2ab
call fcn.00415c06
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00415bf3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040eeab
add esp, 0x14
jmp 0x42d878
mov dword [ebp - 8], edx
jmp 0x42d2c9
test cl, 8
je 0x42d2bd
test ecx, 0x70000
jne 0x42d2ab
mov dword [ebp - 8], 0x40000000
jmp 0x42d2c9
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42d30a
sub eax, ecx
je 0x42d301
sub eax, ecx
je 0x42d2f8
sub eax, ecx
je 0x42d2ef
sub eax, 0x40
jne 0x42d285
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x42d30d
mov dword [ebp - 0x10], 3
jmp 0x42d30d
mov dword [ebp - 0x10], 2
jmp 0x42d30d
mov dword [ebp - 0x10], 1
jmp 0x42d30d
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 0x42d360
je 0x42d357
cmp eax, ebx
je 0x42d357
cmp eax, edi
je 0x42d34e
cmp eax, 0x200
je 0x42d3d3
cmp eax, 0x300
jne 0x42d285
mov dword [ebp - 0x14], 2
jmp 0x42d37d
mov dword [ebp - 0x14], 4
jmp 0x42d37d
mov dword [ebp - 0x14], 3
jmp 0x42d37d
cmp eax, 0x500
je 0x42d376
cmp eax, 0x600
je 0x42d3d3
cmp eax, edx
jne 0x42d285
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x42d3a1
mov ecx, dword [0x449000]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x42d3a1
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x42d3bd
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x42d3bd
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42d3c6
or dword [ebp - 0xc], edi
test al, 0x20
je 0x42d3dc
or dword [ebp - 0xc], 0x8000000
jmp 0x42d3e7
mov dword [ebp - 0x14], 5
jmp 0x42d37d
test al, 0x10
je 0x42d3e7
or dword [ebp - 0xc], 0x10000000
call fcn.0042906d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42d40d
call fcn.00415c06
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00415bf3
mov dword [eax], 0x18
jmp 0x42d49b
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 0x42d4a7
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x42d473
test byte [ebp + 0x10], 1
je 0x42d473
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 0x42d4a7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x449b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00415c19
pop ecx
call fcn.00415bf3
mov eax, dword [eax]
jmp 0x42d934
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42d4f8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x449b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00415c19
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x42d49b
call fcn.00415bf3
mov dword [eax], 0xd
jmp 0x42d49b
cmp eax, 2
jne 0x42d503
or byte [ebp - 1], 0x40
jmp 0x42d50c
cmp eax, 3
jne 0x42d50c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00428e3c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x449b20]
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 + 0x449b20]
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 0x42d5e1
test cl, 0x80
je 0x42d6b1
test byte [ebp + 0x10], 2
je 0x42d5e1
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x42d5a0
call fcn.00415c06
cmp dword [eax], 0x83
je 0x42d5e1
push dword [esi]
call fcn.004193ae
jmp 0x42d49a
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004282b7
add esp, 0xc
test eax, eax
jne 0x42d5d1
cmp byte [ebp - 4], 0x1a
jne 0x42d5d1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042f051
add esp, 0xc
cmp eax, edi
je 0x42d594
push ebx
push ebx
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, edi
je 0x42d594
test byte [ebp - 1], 0x80
je 0x42d6b1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42d609
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42d606
or dword [ebp + 0x10], edi
jmp 0x42d609
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x42d656
cmp eax, 0x10000
je 0x42d642
cmp eax, 0x14000
je 0x42d642
cmp eax, 0x20000
je 0x42d650
cmp eax, 0x24000
je 0x42d650
cmp eax, 0x40000
je 0x42d63c
cmp eax, 0x44000
jne 0x42d659
mov byte [ebp - 2], 1
jmp 0x42d659
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x42d659
mov byte [ebp - 2], 2
jmp 0x42d659
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x42d6b1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x42d6b1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x42d80b
cmp eax, 0x80000000
je 0x42d7d2
cmp eax, ecx
jne 0x42d6b1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42d6b1
cmp eax, 2
jbe 0x42d8b3
cmp eax, 4
jbe 0x42d7a4
cmp eax, 5
je 0x42d8b3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
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 + 0x449b20]
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 0x42d723
test byte [ebp + 0x10], 8
je 0x42d723
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
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 0x42d932
test byte [ebp + 0x10], 1
je 0x42d932
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 0x42d91b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00415c19
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00428eb9
pop ecx
jmp 0x42d49a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
or eax, edx
je 0x42d8b3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428975
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x42d594
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004282b7
add esp, 0xc
cmp eax, 0xffffffff
je 0x42d594
cmp eax, 2
je 0x42d857
cmp eax, 3
jne 0x42d8a5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x42d857
mov byte [ebp - 2], 1
jmp 0x42d6b1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x42d6b1
cmp eax, 2
jbe 0x42d8b3
cmp eax, 4
ja 0x42d6a8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
or eax, edx
je 0x42d8b3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00428975
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x42d6b1
jmp 0x42d594
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x42d87f
push dword [esi]
call fcn.004193ae
pop ecx
call fcn.00415bf3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x42d934
cmp eax, 0xfeff
jne 0x42d8a5
push ebx
push 2
push dword [esi]
call fcn.00418f72
add esp, 0xc
cmp eax, 0xffffffff
je 0x42d594
mov byte [ebp - 2], 2
jmp 0x42d6b1
push ebx
push ebx
push dword [esi]
call fcn.00418f72
add esp, 0xc
jmp 0x42d849
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x42d8d3
dec eax
jne 0x42d6b1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x42d8e1
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.00418a63
add esp, 0xc
cmp eax, 0xffffffff
je 0x42d907
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x42d8e1
jmp 0x42d6b1
push dword [esi]
call fcn.004193ae
pop ecx
call fcn.00415bf3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x42d934
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x449b20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret