Function at 0x52a560
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 0x52a58f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x52a599
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0052e90d
test eax, eax
pop ecx
je 0x52a5b4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00510150
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00514e36
test eax, eax
pop ecx
je 0x52a5cf
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00510150
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x52a5ec
test ecx, 0x74000
jne 0x52a5e8
cmp dword [ebp - 0x24], eax
je 0x52a5ec
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x52a646
dec eax
je 0x52a630
dec eax
je 0x52a62b
call fcn.00512b4b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00512b38
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0051024c
add esp, 0x14
jmp 0x52abf8
mov dword [ebp - 8], edx
jmp 0x52a649
test cl, 8
je 0x52a63d
test ecx, 0x70000
jne 0x52a62b
mov dword [ebp - 8], 0x40000000
jmp 0x52a649
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x52a68a
sub eax, ecx
je 0x52a681
sub eax, ecx
je 0x52a678
sub eax, ecx
je 0x52a66f
sub eax, 0x40
jne 0x52a605
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x52a68d
mov dword [ebp - 0x10], 3
jmp 0x52a68d
mov dword [ebp - 0x10], 2
jmp 0x52a68d
mov dword [ebp - 0x10], 1
jmp 0x52a68d
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 0x52a6e0
je 0x52a6d7
cmp eax, ebx
je 0x52a6d7
cmp eax, edi
je 0x52a6ce
cmp eax, 0x200
je 0x52a753
cmp eax, 0x300
jne 0x52a605
mov dword [ebp - 0x14], 2
jmp 0x52a6fd
mov dword [ebp - 0x14], 4
jmp 0x52a6fd
mov dword [ebp - 0x14], 3
jmp 0x52a6fd
cmp eax, 0x500
je 0x52a6f6
cmp eax, 0x600
je 0x52a753
cmp eax, edx
jne 0x52a605
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x52a721
mov ecx, dword [0x5c1168]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x52a721
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x52a73d
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x52a73d
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x52a746
or dword [ebp - 0xc], edi
test al, 0x20
je 0x52a75c
or dword [ebp - 0xc], 0x8000000
jmp 0x52a767
mov dword [ebp - 0x14], 5
jmp 0x52a6fd
test al, 0x10
je 0x52a767
or dword [ebp - 0xc], 0x10000000
call fcn.00519389
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x52a78d
call fcn.00512b4b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00512b38
mov dword [eax], 0x18
jmp 0x52a81b
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 0x52a827
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x52a7f3
test byte [ebp + 0x10], 1
je 0x52a7f3
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 0x52a827
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5c53a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512b5e
pop ecx
call fcn.00512b38
mov eax, dword [eax]
jmp 0x52acb4
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x52a878
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5c53a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00512b5e
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x52a81b
call fcn.00512b38
mov dword [eax], 0xd
jmp 0x52a81b
cmp eax, 2
jne 0x52a883
or byte [ebp - 1], 0x40
jmp 0x52a88c
cmp eax, 3
jne 0x52a88c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00519158
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5c53a0]
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 + 0x5c53a0]
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 0x52a961
test cl, 0x80
je 0x52aa31
test byte [ebp + 0x10], 2
je 0x52a961
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x52a920
call fcn.00512b4b
cmp dword [eax], 0x83
je 0x52a961
push dword [esi]
call fcn.0051f146
jmp 0x52a81a
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00520184
add esp, 0xc
test eax, eax
jne 0x52a951
cmp byte [ebp - 4], 0x1a
jne 0x52a951
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0052e69d
add esp, 0xc
cmp eax, edi
je 0x52a914
push ebx
push ebx
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, edi
je 0x52a914
test byte [ebp - 1], 0x80
je 0x52aa31
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x52a989
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x52a986
or dword [ebp + 0x10], edi
jmp 0x52a989
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x52a9d6
cmp eax, 0x10000
je 0x52a9c2
cmp eax, 0x14000
je 0x52a9c2
cmp eax, 0x20000
je 0x52a9d0
cmp eax, 0x24000
je 0x52a9d0
cmp eax, 0x40000
je 0x52a9bc
cmp eax, 0x44000
jne 0x52a9d9
mov byte [ebp - 2], 1
jmp 0x52a9d9
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x52a9d9
mov byte [ebp - 2], 2
jmp 0x52a9d9
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x52aa31
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x52aa31
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x52ab8b
cmp eax, 0x80000000
je 0x52ab52
cmp eax, ecx
jne 0x52aa31
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x52aa31
cmp eax, 2
jbe 0x52ac33
cmp eax, 4
jbe 0x52ab24
cmp eax, 5
je 0x52ac33
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
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 + 0x5c53a0]
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 0x52aaa3
test byte [ebp + 0x10], 8
je 0x52aaa3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
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 0x52acb2
test byte [ebp + 0x10], 1
je 0x52acb2
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 0x52ac9b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512b5e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005191d5
pop ecx
jmp 0x52a81a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
or eax, edx
je 0x52ac33
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x52a914
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00520184
add esp, 0xc
cmp eax, 0xffffffff
je 0x52a914
cmp eax, 2
je 0x52abd7
cmp eax, 3
jne 0x52ac25
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x52abd7
mov byte [ebp - 2], 1
jmp 0x52aa31
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x52aa31
cmp eax, 2
jbe 0x52ac33
cmp eax, 4
ja 0x52aa28
push 2
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
or eax, edx
je 0x52ac33
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x52aa31
jmp 0x52a914
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x52abff
push dword [esi]
call fcn.0051f146
pop ecx
call fcn.00512b38
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x52acb4
cmp eax, 0xfeff
jne 0x52ac25
push ebx
push 2
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, 0xffffffff
je 0x52a914
mov byte [ebp - 2], 2
jmp 0x52aa31
push ebx
push ebx
push dword [esi]
call fcn.0051edb3
add esp, 0xc
jmp 0x52abc9
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x52ac53
dec eax
jne 0x52aa31
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x52ac61
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.0051e810
add esp, 0xc
cmp eax, 0xffffffff
je 0x52ac87
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x52ac61
jmp 0x52aa31
push dword [esi]
call fcn.0051f146
pop ecx
call fcn.00512b38
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x52acb4
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret