Function at 0x45876a
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 0x458799
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4587a3
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045a9c3
test eax, eax
pop ecx
je 0x4587be
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00446123
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00447489
test eax, eax
pop ecx
je 0x4587d9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00446123
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4587f6
test ecx, 0x74000
jne 0x4587f2
cmp dword [ebp - 0x24], eax
je 0x4587f6
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x458850
dec eax
je 0x45883a
dec eax
je 0x458835
call fcn.00447a46
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00447a33
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0044621f
add esp, 0x14
jmp 0x458e02
mov dword [ebp - 8], edx
jmp 0x458853
test cl, 8
je 0x458847
test ecx, 0x70000
jne 0x458835
mov dword [ebp - 8], 0x40000000
jmp 0x458853
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x458894
sub eax, ecx
je 0x45888b
sub eax, ecx
je 0x458882
sub eax, ecx
je 0x458879
sub eax, 0x40
jne 0x45880f
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x458897
mov dword [ebp - 0x10], 3
jmp 0x458897
mov dword [ebp - 0x10], 2
jmp 0x458897
mov dword [ebp - 0x10], 1
jmp 0x458897
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 0x4588ea
je 0x4588e1
cmp eax, ebx
je 0x4588e1
cmp eax, edi
je 0x4588d8
cmp eax, 0x200
je 0x45895d
cmp eax, 0x300
jne 0x45880f
mov dword [ebp - 0x14], 2
jmp 0x458907
mov dword [ebp - 0x14], 4
jmp 0x458907
mov dword [ebp - 0x14], 3
jmp 0x458907
cmp eax, 0x500
je 0x458900
cmp eax, 0x600
je 0x45895d
cmp eax, edx
jne 0x45880f
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45892b
mov ecx, dword [0x4abb7c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45892b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x458947
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x458947
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x458950
or dword [ebp - 0xc], edi
test al, 0x20
je 0x458966
or dword [ebp - 0xc], 0x8000000
jmp 0x458971
mov dword [ebp - 0x14], 5
jmp 0x458907
test al, 0x10
je 0x458971
or dword [ebp - 0xc], 0x10000000
call fcn.004573dc
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x458997
call fcn.00447a46
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00447a33
mov dword [eax], 0x18
jmp 0x458a25
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 0x458a31
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4589fd
test byte [ebp + 0x10], 1
je 0x4589fd
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 0x458a31
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b2620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00447a59
pop ecx
call fcn.00447a33
mov eax, dword [eax]
jmp 0x458ebe
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x458a82
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b2620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00447a59
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x458a25
call fcn.00447a33
mov dword [eax], 0xd
jmp 0x458a25
cmp eax, 2
jne 0x458a8d
or byte [ebp - 1], 0x40
jmp 0x458a96
cmp eax, 3
jne 0x458a96
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004571ab
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4b2620]
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 + 0x4b2620]
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 0x458b6b
test cl, 0x80
je 0x458c3b
test byte [ebp + 0x10], 2
je 0x458b6b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00452fd5
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x458b2a
call fcn.00447a46
cmp dword [eax], 0x83
je 0x458b6b
push dword [esi]
call fcn.0044e29a
jmp 0x458a24
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00451ee2
add esp, 0xc
test eax, eax
jne 0x458b5b
cmp byte [ebp - 4], 0x1a
jne 0x458b5b
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045a753
add esp, 0xc
cmp eax, edi
je 0x458b1e
push ebx
push ebx
push dword [esi]
call fcn.00452fd5
add esp, 0xc
cmp eax, edi
je 0x458b1e
test byte [ebp - 1], 0x80
je 0x458c3b
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x458b93
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x458b90
or dword [ebp + 0x10], edi
jmp 0x458b93
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x458be0
cmp eax, 0x10000
je 0x458bcc
cmp eax, 0x14000
je 0x458bcc
cmp eax, 0x20000
je 0x458bda
cmp eax, 0x24000
je 0x458bda
cmp eax, 0x40000
je 0x458bc6
cmp eax, 0x44000
jne 0x458be3
mov byte [ebp - 2], 1
jmp 0x458be3
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x458be3
mov byte [ebp - 2], 2
jmp 0x458be3
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x458c3b
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x458c3b
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x458d95
cmp eax, 0x80000000
je 0x458d5c
cmp eax, ecx
jne 0x458c3b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458c3b
cmp eax, 2
jbe 0x458e3d
cmp eax, 4
jbe 0x458d2e
cmp eax, 5
je 0x458e3d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2620]
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 + 0x4b2620]
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 0x458cad
test byte [ebp + 0x10], 8
je 0x458cad
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2620]
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 0x458ebc
test byte [ebp + 0x10], 1
je 0x458ebc
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 0x458ea5
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00447a59
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2620]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00457228
pop ecx
jmp 0x458a24
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456030
add esp, 0x10
or eax, edx
je 0x458e3d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456030
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x458b1e
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00451ee2
add esp, 0xc
cmp eax, 0xffffffff
je 0x458b1e
cmp eax, 2
je 0x458de1
cmp eax, 3
jne 0x458e2f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x458de1
mov byte [ebp - 2], 1
jmp 0x458c3b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x458c3b
cmp eax, 2
jbe 0x458e3d
cmp eax, 4
ja 0x458c32
push 2
push ebx
push ebx
push dword [esi]
call fcn.00456030
add esp, 0x10
or eax, edx
je 0x458e3d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00456030
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x458c3b
jmp 0x458b1e
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x458e09
push dword [esi]
call fcn.0044e29a
pop ecx
call fcn.00447a33
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x458ebe
cmp eax, 0xfeff
jne 0x458e2f
push ebx
push 2
push dword [esi]
call fcn.00452fd5
add esp, 0xc
cmp eax, 0xffffffff
je 0x458b1e
mov byte [ebp - 2], 2
jmp 0x458c3b
push ebx
push ebx
push dword [esi]
call fcn.00452fd5
add esp, 0xc
jmp 0x458dd3
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x458e5d
dec eax
jne 0x458c3b
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x458e6b
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.0044eaae
add esp, 0xc
cmp eax, 0xffffffff
je 0x458e91
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x458e6b
jmp 0x458c3b
push dword [esi]
call fcn.0044e29a
pop ecx
call fcn.00447a33
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x458ebe
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2620]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret