Function at 0x100125f0
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 0x1001261f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x10012629
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.100143c8
test eax, eax
pop ecx
je 0x10012644
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1000b997
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1000ed4f
test eax, eax
pop ecx
je 0x1001265f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1000b997
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1001267c
test ecx, 0x74000
jne 0x10012678
cmp dword [ebp - 0x24], eax
je 0x1001267c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x100126d6
dec eax
je 0x100126c0
dec eax
je 0x100126bb
call fcn.10009caf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10009c9c
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1000ba93
add esp, 0x14
jmp 0x10012c88
mov dword [ebp - 8], edx
jmp 0x100126d9
test cl, 8
je 0x100126cd
test ecx, 0x70000
jne 0x100126bb
mov dword [ebp - 8], 0x40000000
jmp 0x100126d9
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1001271a
sub eax, ecx
je 0x10012711
sub eax, ecx
je 0x10012708
sub eax, ecx
je 0x100126ff
sub eax, 0x40
jne 0x10012695
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1001271d
mov dword [ebp - 0x10], 3
jmp 0x1001271d
mov dword [ebp - 0x10], 2
jmp 0x1001271d
mov dword [ebp - 0x10], 1
jmp 0x1001271d
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 0x10012770
je 0x10012767
cmp eax, ebx
je 0x10012767
cmp eax, edi
je 0x1001275e
cmp eax, 0x200
je 0x100127e3
cmp eax, 0x300
jne 0x10012695
mov dword [ebp - 0x14], 2
jmp 0x1001278d
mov dword [ebp - 0x14], 4
jmp 0x1001278d
mov dword [ebp - 0x14], 3
jmp 0x1001278d
cmp eax, 0x500
je 0x10012786
cmp eax, 0x600
je 0x100127e3
cmp eax, edx
jne 0x10012695
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x100127b1
mov ecx, dword [0x1001d60c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x100127b1
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x100127cd
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x100127cd
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x100127d6
or dword [ebp - 0xc], edi
test al, 0x20
je 0x100127ec
or dword [ebp - 0xc], 0x8000000
jmp 0x100127f7
mov dword [ebp - 0x14], 5
jmp 0x1001278d
test al, 0x10
je 0x100127f7
or dword [ebp - 0xc], 0x10000000
call fcn.100107a0
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1001281d
call fcn.10009caf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10009c9c
mov dword [eax], 0x18
jmp 0x100128ab
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 0x100128b7
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10012883
test byte [ebp + 0x10], 1
je 0x10012883
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 0x100128b7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1001dc20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10009cc2
pop ecx
call fcn.10009c9c
mov eax, dword [eax]
jmp 0x10012d44
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10012908
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1001dc20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10009cc2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x100128ab
call fcn.10009c9c
mov dword [eax], 0xd
jmp 0x100128ab
cmp eax, 2
jne 0x10012913
or byte [ebp - 1], 0x40
jmp 0x1001291c
cmp eax, 3
jne 0x1001291c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1001056f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x1001dc20]
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 + 0x1001dc20]
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 0x100129f1
test cl, 0x80
je 0x10012ac1
test byte [ebp + 0x10], 2
je 0x100129f1
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1000e8cc
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x100129b0
call fcn.10009caf
cmp dword [eax], 0x83
je 0x100129f1
push dword [esi]
call fcn.1000ccd4
jmp 0x100128aa
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.1000bf76
add esp, 0xc
test eax, eax
jne 0x100129e1
cmp byte [ebp - 4], 0x1a
jne 0x100129e1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10014158
add esp, 0xc
cmp eax, edi
je 0x100129a4
push ebx
push ebx
push dword [esi]
call fcn.1000e8cc
add esp, 0xc
cmp eax, edi
je 0x100129a4
test byte [ebp - 1], 0x80
je 0x10012ac1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10012a19
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10012a16
or dword [ebp + 0x10], edi
jmp 0x10012a19
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10012a66
cmp eax, 0x10000
je 0x10012a52
cmp eax, 0x14000
je 0x10012a52
cmp eax, 0x20000
je 0x10012a60
cmp eax, 0x24000
je 0x10012a60
cmp eax, 0x40000
je 0x10012a4c
cmp eax, 0x44000
jne 0x10012a69
mov byte [ebp - 2], 1
jmp 0x10012a69
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10012a69
mov byte [ebp - 2], 2
jmp 0x10012a69
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10012ac1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10012ac1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10012c1b
cmp eax, 0x80000000
je 0x10012be2
cmp eax, ecx
jne 0x10012ac1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10012ac1
cmp eax, 2
jbe 0x10012cc3
cmp eax, 4
jbe 0x10012bb4
cmp eax, 5
je 0x10012cc3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1001dc20]
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 + 0x1001dc20]
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 0x10012b33
test byte [ebp + 0x10], 8
je 0x10012b33
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1001dc20]
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 0x10012d42
test byte [ebp + 0x10], 1
je 0x10012d42
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 0x10012d2b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10009cc2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1001dc20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.100105ec
pop ecx
jmp 0x100128aa
push 2
push ebx
push ebx
push dword [esi]
call fcn.10010101
add esp, 0x10
or eax, edx
je 0x10012cc3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10010101
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x100129a4
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1000bf76
add esp, 0xc
cmp eax, 0xffffffff
je 0x100129a4
cmp eax, 2
je 0x10012c67
cmp eax, 3
jne 0x10012cb5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10012c67
mov byte [ebp - 2], 1
jmp 0x10012ac1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10012ac1
cmp eax, 2
jbe 0x10012cc3
cmp eax, 4
ja 0x10012ab8
push 2
push ebx
push ebx
push dword [esi]
call fcn.10010101
add esp, 0x10
or eax, edx
je 0x10012cc3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10010101
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10012ac1
jmp 0x100129a4
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10012c8f
push dword [esi]
call fcn.1000ccd4
pop ecx
call fcn.10009c9c
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10012d44
cmp eax, 0xfeff
jne 0x10012cb5
push ebx
push 2
push dword [esi]
call fcn.1000e8cc
add esp, 0xc
cmp eax, 0xffffffff
je 0x100129a4
mov byte [ebp - 2], 2
jmp 0x10012ac1
push ebx
push ebx
push dword [esi]
call fcn.1000e8cc
add esp, 0xc
jmp 0x10012c59
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10012ce3
dec eax
jne 0x10012ac1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x10012cf1
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.1000b884
add esp, 0xc
cmp eax, 0xffffffff
je 0x10012d17
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x10012cf1
jmp 0x10012ac1
push dword [esi]
call fcn.1000ccd4
pop ecx
call fcn.10009c9c
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10012d44
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1001dc20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret