Function at 0x4582ca
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 0x4582f9
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x458303
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045a523
test eax, eax
pop ecx
je 0x45831e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00445c83
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00446fe9
test eax, eax
pop ecx
je 0x458339
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00445c83
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x458356
test ecx, 0x74000
jne 0x458352
cmp dword [ebp - 0x24], eax
je 0x458356
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4583b0
dec eax
je 0x45839a
dec eax
je 0x458395
call fcn.004475a6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00447593
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00445d7f
add esp, 0x14
jmp 0x458962
mov dword [ebp - 8], edx
jmp 0x4583b3
test cl, 8
je 0x4583a7
test ecx, 0x70000
jne 0x458395
mov dword [ebp - 8], 0x40000000
jmp 0x4583b3
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4583f4
sub eax, ecx
je 0x4583eb
sub eax, ecx
je 0x4583e2
sub eax, ecx
je 0x4583d9
sub eax, 0x40
jne 0x45836f
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4583f7
mov dword [ebp - 0x10], 3
jmp 0x4583f7
mov dword [ebp - 0x10], 2
jmp 0x4583f7
mov dword [ebp - 0x10], 1
jmp 0x4583f7
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 0x45844a
je 0x458441
cmp eax, ebx
je 0x458441
cmp eax, edi
je 0x458438
cmp eax, 0x200
je 0x4584bd
cmp eax, 0x300
jne 0x45836f
mov dword [ebp - 0x14], 2
jmp 0x458467
mov dword [ebp - 0x14], 4
jmp 0x458467
mov dword [ebp - 0x14], 3
jmp 0x458467
cmp eax, 0x500
je 0x458460
cmp eax, 0x600
je 0x4584bd
cmp eax, edx
jne 0x45836f
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45848b
mov ecx, dword [0x4abb5c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45848b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4584a7
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4584a7
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4584b0
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4584c6
or dword [ebp - 0xc], 0x8000000
jmp 0x4584d1
mov dword [ebp - 0x14], 5
jmp 0x458467
test al, 0x10
je 0x4584d1
or dword [ebp - 0xc], 0x10000000
call fcn.00456f3c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4584f7
call fcn.004475a6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00447593
mov dword [eax], 0x18
jmp 0x458585
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 0x458591
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45855d
test byte [ebp + 0x10], 1
je 0x45855d
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 0x458591
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b2600]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004475b9
pop ecx
call fcn.00447593
mov eax, dword [eax]
jmp 0x458a1e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4585e2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b2600]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004475b9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x458585
call fcn.00447593
mov dword [eax], 0xd
jmp 0x458585
cmp eax, 2
jne 0x4585ed
or byte [ebp - 1], 0x40
jmp 0x4585f6
cmp eax, 3
jne 0x4585f6
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00456d0b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4b2600]
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 + 0x4b2600]
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 0x4586cb
test cl, 0x80
je 0x45879b
test byte [ebp + 0x10], 2
je 0x4586cb
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00452b35
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x45868a
call fcn.004475a6
cmp dword [eax], 0x83
je 0x4586cb
push dword [esi]
call fcn.0044ddf9
jmp 0x458584
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00451a42
add esp, 0xc
test eax, eax
jne 0x4586bb
cmp byte [ebp - 4], 0x1a
jne 0x4586bb
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045a2b3
add esp, 0xc
cmp eax, edi
je 0x45867e
push ebx
push ebx
push dword [esi]
call fcn.00452b35
add esp, 0xc
cmp eax, edi
je 0x45867e
test byte [ebp - 1], 0x80
je 0x45879b
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4586f3
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4586f0
or dword [ebp + 0x10], edi
jmp 0x4586f3
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x458740
cmp eax, 0x10000
je 0x45872c
cmp eax, 0x14000
je 0x45872c
cmp eax, 0x20000
je 0x45873a
cmp eax, 0x24000
je 0x45873a
cmp eax, 0x40000
je 0x458726
cmp eax, 0x44000
jne 0x458743
mov byte [ebp - 2], 1
jmp 0x458743
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x458743
mov byte [ebp - 2], 2
jmp 0x458743
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45879b
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45879b
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4588f5
cmp eax, 0x80000000
je 0x4588bc
cmp eax, ecx
jne 0x45879b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45879b
cmp eax, 2
jbe 0x45899d
cmp eax, 4
jbe 0x45888e
cmp eax, 5
je 0x45899d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2600]
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 + 0x4b2600]
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 0x45880d
test byte [ebp + 0x10], 8
je 0x45880d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2600]
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 0x458a1c
test byte [ebp + 0x10], 1
je 0x458a1c
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 0x458a05
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004475b9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2600]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00456d88
pop ecx
jmp 0x458584
push 2
push ebx
push ebx
push dword [esi]
call fcn.00455b91
add esp, 0x10
or eax, edx
je 0x45899d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00455b91
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45867e
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00451a42
add esp, 0xc
cmp eax, 0xffffffff
je 0x45867e
cmp eax, 2
je 0x458941
cmp eax, 3
jne 0x45898f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x458941
mov byte [ebp - 2], 1
jmp 0x45879b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45879b
cmp eax, 2
jbe 0x45899d
cmp eax, 4
ja 0x458792
push 2
push ebx
push ebx
push dword [esi]
call fcn.00455b91
add esp, 0x10
or eax, edx
je 0x45899d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00455b91
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45879b
jmp 0x45867e
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x458969
push dword [esi]
call fcn.0044ddf9
pop ecx
call fcn.00447593
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x458a1e
cmp eax, 0xfeff
jne 0x45898f
push ebx
push 2
push dword [esi]
call fcn.00452b35
add esp, 0xc
cmp eax, 0xffffffff
je 0x45867e
mov byte [ebp - 2], 2
jmp 0x45879b
push ebx
push ebx
push dword [esi]
call fcn.00452b35
add esp, 0xc
jmp 0x458933
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4589bd
dec eax
jne 0x45879b
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4589cb
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.0044e60d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4589f1
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4589cb
jmp 0x45879b
push dword [esi]
call fcn.0044ddf9
pop ecx
call fcn.00447593
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x458a1e
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b2600]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret