Function at 0x42062b
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 0x42065a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x420664
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00426932
test eax, eax
pop ecx
je 0x42067f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004109d0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004174b1
test eax, eax
pop ecx
je 0x42069a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004109d0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4206b7
test ecx, 0x74000
jne 0x4206b3
cmp dword [ebp - 0x24], eax
je 0x4206b7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x420711
dec eax
je 0x4206fb
dec eax
je 0x4206f6
call fcn.00414f66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00414f53
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00410acc
add esp, 0x14
jmp 0x420cc3
mov dword [ebp - 8], edx
jmp 0x420714
test cl, 8
je 0x420708
test ecx, 0x70000
jne 0x4206f6
mov dword [ebp - 8], 0x40000000
jmp 0x420714
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x420755
sub eax, ecx
je 0x42074c
sub eax, ecx
je 0x420743
sub eax, ecx
je 0x42073a
sub eax, 0x40
jne 0x4206d0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x420758
mov dword [ebp - 0x10], 3
jmp 0x420758
mov dword [ebp - 0x10], 2
jmp 0x420758
mov dword [ebp - 0x10], 1
jmp 0x420758
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 0x4207ab
je 0x4207a2
cmp eax, ebx
je 0x4207a2
cmp eax, edi
je 0x420799
cmp eax, 0x200
je 0x42081e
cmp eax, 0x300
jne 0x4206d0
mov dword [ebp - 0x14], 2
jmp 0x4207c8
mov dword [ebp - 0x14], 4
jmp 0x4207c8
mov dword [ebp - 0x14], 3
jmp 0x4207c8
cmp eax, 0x500
je 0x4207c1
cmp eax, 0x600
je 0x42081e
cmp eax, edx
jne 0x4206d0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4207ec
mov ecx, dword [0x4bd930]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4207ec
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x420808
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x420808
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x420811
or dword [ebp - 0xc], edi
test al, 0x20
je 0x420827
or dword [ebp - 0xc], 0x8000000
jmp 0x420832
mov dword [ebp - 0x14], 5
jmp 0x4207c8
test al, 0x10
je 0x420832
or dword [ebp - 0xc], 0x10000000
call fcn.00421c7e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x420858
call fcn.00414f66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00414f53
mov dword [eax], 0x18
jmp 0x4208e6
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 0x4208f2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4208be
test byte [ebp + 0x10], 1
je 0x4208be
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 0x4208f2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4c0ae0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00414f79
pop ecx
call fcn.00414f53
mov eax, dword [eax]
jmp 0x420d7f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x420943
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4c0ae0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00414f79
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4208e6
call fcn.00414f53
mov dword [eax], 0xd
jmp 0x4208e6
cmp eax, 2
jne 0x42094e
or byte [ebp - 1], 0x40
jmp 0x420957
cmp eax, 3
jne 0x420957
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00421a4d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4c0ae0]
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 + 0x4c0ae0]
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 0x420a2c
test cl, 0x80
je 0x420afc
test byte [ebp + 0x10], 2
je 0x420a2c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00426728
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4209eb
call fcn.00414f66
cmp dword [eax], 0x83
je 0x420a2c
push dword [esi]
call fcn.0041685e
jmp 0x4208e5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042606a
add esp, 0xc
test eax, eax
jne 0x420a1c
cmp byte [ebp - 4], 0x1a
jne 0x420a1c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00425eb6
add esp, 0xc
cmp eax, edi
je 0x4209df
push ebx
push ebx
push dword [esi]
call fcn.00426728
add esp, 0xc
cmp eax, edi
je 0x4209df
test byte [ebp - 1], 0x80
je 0x420afc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x420a54
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x420a51
or dword [ebp + 0x10], edi
jmp 0x420a54
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x420aa1
cmp eax, 0x10000
je 0x420a8d
cmp eax, 0x14000
je 0x420a8d
cmp eax, 0x20000
je 0x420a9b
cmp eax, 0x24000
je 0x420a9b
cmp eax, 0x40000
je 0x420a87
cmp eax, 0x44000
jne 0x420aa4
mov byte [ebp - 2], 1
jmp 0x420aa4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x420aa4
mov byte [ebp - 2], 2
jmp 0x420aa4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x420afc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x420afc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x420c56
cmp eax, 0x80000000
je 0x420c1d
cmp eax, ecx
jne 0x420afc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x420afc
cmp eax, 2
jbe 0x420cfe
cmp eax, 4
jbe 0x420bef
cmp eax, 5
je 0x420cfe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c0ae0]
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 + 0x4c0ae0]
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 0x420b6e
test byte [ebp + 0x10], 8
je 0x420b6e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c0ae0]
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 0x420d7d
test byte [ebp + 0x10], 1
je 0x420d7d
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 0x420d66
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00414f79
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c0ae0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00421aca
pop ecx
jmp 0x4208e5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00421623
add esp, 0x10
or eax, edx
je 0x420cfe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00421623
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4209df
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042606a
add esp, 0xc
cmp eax, 0xffffffff
je 0x4209df
cmp eax, 2
je 0x420ca2
cmp eax, 3
jne 0x420cf0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x420ca2
mov byte [ebp - 2], 1
jmp 0x420afc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x420afc
cmp eax, 2
jbe 0x420cfe
cmp eax, 4
ja 0x420af3
push 2
push ebx
push ebx
push dword [esi]
call fcn.00421623
add esp, 0x10
or eax, edx
je 0x420cfe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00421623
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x420afc
jmp 0x4209df
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x420cca
push dword [esi]
call fcn.0041685e
pop ecx
call fcn.00414f53
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x420d7f
cmp eax, 0xfeff
jne 0x420cf0
push ebx
push 2
push dword [esi]
call fcn.00426728
add esp, 0xc
cmp eax, 0xffffffff
je 0x4209df
mov byte [ebp - 2], 2
jmp 0x420afc
push ebx
push ebx
push dword [esi]
call fcn.00426728
add esp, 0xc
jmp 0x420c94
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x420d1e
dec eax
jne 0x420afc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x420d2c
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.00416481
add esp, 0xc
cmp eax, 0xffffffff
je 0x420d52
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x420d2c
jmp 0x420afc
push dword [esi]
call fcn.0041685e
pop ecx
call fcn.00414f53
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x420d7f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c0ae0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret