Function at 0x4549c7
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x4549f6
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x454a00
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00456d41
test eax, eax
pop ecx
je 0x454a1b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c05e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043c6ac
test eax, eax
pop ecx
je 0x454a36
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043c05e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x454a53
test ecx, 0x74000
jne 0x454a4f
cmp dword [ebp - 0x24], eax
je 0x454a53
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x454aad
dec eax
je 0x454a97
dec eax
je 0x454a92
call fcn.004416b4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004416a1
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043c15a
add esp, 0x14
jmp 0x455060
mov dword [ebp - 8], edx
jmp 0x454ab0
test cl, 8
je 0x454aa4
test ecx, 0x70000
jne 0x454a92
mov dword [ebp - 8], 0x40000000
jmp 0x454ab0
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x454af1
sub eax, ecx
je 0x454ae8
sub eax, ecx
je 0x454adf
sub eax, ecx
je 0x454ad6
sub eax, 0x40
jne 0x454a6c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x454af4
mov dword [ebp - 0x10], 3
jmp 0x454af4
mov dword [ebp - 0x10], 2
jmp 0x454af4
mov dword [ebp - 0x10], 1
jmp 0x454af4
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 0x454b47
je 0x454b3e
cmp eax, ebx
je 0x454b3e
cmp eax, edi
je 0x454b35
cmp eax, 0x200
je 0x454bba
cmp eax, 0x300
jne 0x454a6c
mov dword [ebp - 0x14], 2
jmp 0x454b64
mov dword [ebp - 0x14], 4
jmp 0x454b64
mov dword [ebp - 0x14], 3
jmp 0x454b64
cmp eax, 0x500
je 0x454b5d
cmp eax, 0x600
je 0x454bba
cmp eax, edx
jne 0x454a6c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x454b88
mov ecx, dword [0x4a13a8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x454b88
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x454ba4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x454ba4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x454bad
or dword [ebp - 0xc], edi
test al, 0x20
je 0x454bc3
or dword [ebp - 0xc], 0x8000000
jmp 0x454bce
mov dword [ebp - 0x14], 5
jmp 0x454b64
test al, 0x10
je 0x454bce
or dword [ebp - 0xc], 0x10000000
call fcn.00444870
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x454bf4
call fcn.004416b4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004416a1
mov dword [eax], 0x18
jmp 0x454c82
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x454c8e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x454c5a
test byte [ebp + 0x10], 1
je 0x454c5a
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x454c8e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004416c7
pop ecx
call fcn.004416a1
mov eax, dword [eax]
jmp 0x45511c
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x454cdf
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4a5760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004416c7
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x454c82
call fcn.004416a1
mov dword [eax], 0xd
jmp 0x454c82
cmp eax, 2
jne 0x454cea
or byte [ebp - 1], 0x40
jmp 0x454cf3
cmp eax, 3
jne 0x454cf3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0044463f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4a5760]
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 + 0x4a5760]
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 0x454dc9
test cl, 0x80
je 0x454e99
test byte [ebp + 0x10], 2
je 0x454dc9
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0044f8ad
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x454d87
call fcn.004416b4
cmp dword [eax], 0x83
je 0x454dc9
push dword [esi]
call fcn.0044ebdb
jmp 0x454c81
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00441d87
add esp, 0xc
test eax, eax
jne 0x454db9
cmp word [ebp - 0x2c], 0x1a
jne 0x454db9
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00456ad1
add esp, 0xc
cmp eax, edi
je 0x454d7b
push ebx
push ebx
push dword [esi]
call fcn.0044f8ad
add esp, 0xc
cmp eax, edi
je 0x454d7b
test byte [ebp - 1], 0x80
je 0x454e99
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x454df1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x454dee
or dword [ebp + 0x10], edi
jmp 0x454df1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x454e3e
cmp eax, 0x10000
je 0x454e2a
cmp eax, 0x14000
je 0x454e2a
cmp eax, 0x20000
je 0x454e38
cmp eax, 0x24000
je 0x454e38
cmp eax, 0x40000
je 0x454e24
cmp eax, 0x44000
jne 0x454e41
mov byte [ebp - 2], 1
jmp 0x454e41
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x454e41
mov byte [ebp - 2], 2
jmp 0x454e41
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x454e99
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x454e99
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x454ff3
cmp eax, 0x80000000
je 0x454fba
cmp eax, ecx
jne 0x454e99
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x454e99
cmp eax, 2
jbe 0x45509b
cmp eax, 4
jbe 0x454f8c
cmp eax, 5
je 0x45509b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
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 + 0x4a5760]
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 0x454f0b
test byte [ebp + 0x10], 8
je 0x454f0b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
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 0x45511a
test byte [ebp + 0x10], 1
je 0x45511a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x455103
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004416c7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004446bc
pop ecx
jmp 0x454c81
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450747
add esp, 0x10
or eax, edx
je 0x45509b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450747
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x454d7b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00441d87
add esp, 0xc
cmp eax, 0xffffffff
je 0x454d7b
cmp eax, 2
je 0x45503f
cmp eax, 3
jne 0x45508d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45503f
mov byte [ebp - 2], 1
jmp 0x454e99
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x454e99
cmp eax, 2
jbe 0x45509b
cmp eax, 4
ja 0x454e90
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450747
add esp, 0x10
or eax, edx
je 0x45509b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450747
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x454e99
jmp 0x454d7b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x455067
push dword [esi]
call fcn.0044ebdb
pop ecx
call fcn.004416a1
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45511c
cmp eax, 0xfeff
jne 0x45508d
push ebx
push 2
push dword [esi]
call fcn.0044f8ad
add esp, 0xc
cmp eax, 0xffffffff
je 0x454d7b
mov byte [ebp - 2], 2
jmp 0x454e99
push ebx
push ebx
push dword [esi]
call fcn.0044f8ad
add esp, 0xc
jmp 0x455031
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4550bb
dec eax
jne 0x454e99
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4550c9
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.00441cab
add esp, 0xc
cmp eax, 0xffffffff
je 0x4550ef
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4550c9
jmp 0x454e99
push dword [esi]
call fcn.0044ebdb
pop ecx
call fcn.004416a1
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45511c
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4a5760]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret