Function at 0x5dc6d4
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 0x5dc703
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x5dc70d
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005e1a21
test eax, eax
pop ecx
je 0x5dc728
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005c6ff6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.005c36e4
test eax, eax
pop ecx
je 0x5dc743
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005c6ff6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5dc760
test ecx, 0x74000
jne 0x5dc75c
cmp dword [ebp - 0x24], eax
je 0x5dc760
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, DirectSoundCreate
je 0x5dc7ba
dec eax
je 0x5dc7a4
dec eax
je 0x5dc79f
call fcn.005c9969
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005c9956
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005c70f2
add esp, 0x14
jmp 0x5dcd6c
mov dword [ebp - 8], edx
jmp 0x5dc7bd
test cl, 8
je 0x5dc7b1
test ecx, 0x70000
jne 0x5dc79f
mov dword [ebp - 8], 0x40000000
jmp 0x5dc7bd
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5dc7fe
sub eax, ecx
je 0x5dc7f5
sub eax, ecx
je 0x5dc7ec
sub eax, ecx
je 0x5dc7e3
sub eax, 0x40
jne 0x5dc779
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5dc801
mov dword [ebp - 0x10], 3
jmp 0x5dc801
mov dword [ebp - 0x10], 2
jmp 0x5dc801
mov dword [ebp - 0x10], 1
jmp 0x5dc801
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 0x5dc854
je 0x5dc84b
cmp eax, ebx
je 0x5dc84b
cmp eax, edi
je 0x5dc842
cmp eax, 0x200
je 0x5dc8c7
cmp eax, 0x300
jne 0x5dc779
mov dword [ebp - 0x14], 2
jmp 0x5dc871
mov dword [ebp - 0x14], 4
jmp 0x5dc871
mov dword [ebp - 0x14], 3
jmp 0x5dc871
cmp eax, 0x500
je 0x5dc86a
cmp eax, 0x600
je 0x5dc8c7
cmp eax, edx
jne 0x5dc779
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5dc895
mov ecx, dword [0x702bd8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5dc895
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5dc8b1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5dc8b1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5dc8ba
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5dc8d0
or dword [ebp - 0xc], 0x8000000
jmp 0x5dc8db
mov dword [ebp - 0x14], 5
jmp 0x5dc871
test al, 0x10
je 0x5dc8db
or dword [ebp - 0xc], 0x10000000
call fcn.005ca549
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5dc901
call fcn.005c9969
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005c9956
mov dword [eax], 0x18
jmp 0x5dc98f
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 0x5dc99b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5dc967
test byte [ebp + 0x10], 1
je 0x5dc967
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 0x5dc99b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x703b00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005c997c
pop ecx
call fcn.005c9956
mov eax, dword [eax]
jmp 0x5dce28
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5dc9ec
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x703b00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.005c997c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5dc98f
call fcn.005c9956
mov dword [eax], 0xd
jmp 0x5dc98f
cmp eax, 2
jne 0x5dc9f7
or byte [ebp - 1], 0x40
jmp 0x5dca00
cmp eax, 3
jne 0x5dca00
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.005ca318
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x703b00]
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 + 0x703b00]
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 0x5dcad5
test cl, 0x80
je 0x5dcba5
test byte [ebp + 0x10], 2
je 0x5dcad5
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.005ddb3c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5dca94
call fcn.005c9969
cmp dword [eax], 0x83
je 0x5dcad5
push dword [esi]
call fcn.005c8eed
jmp 0x5dc98e
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.005c850c
add esp, 0xc
test eax, eax
jne 0x5dcac5
cmp byte [ebp - 4], 0x1a
jne 0x5dcac5
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.005e17b1
add esp, 0xc
cmp eax, edi
je 0x5dca88
push ebx
push ebx
push dword [esi]
call fcn.005ddb3c
add esp, 0xc
cmp eax, edi
je 0x5dca88
test byte [ebp - 1], 0x80
je 0x5dcba5
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5dcafd
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5dcafa
or dword [ebp + 0x10], edi
jmp 0x5dcafd
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5dcb4a
cmp eax, 0x10000
je 0x5dcb36
cmp eax, 0x14000
je 0x5dcb36
cmp eax, 0x20000
je 0x5dcb44
cmp eax, 0x24000
je 0x5dcb44
cmp eax, 0x40000
je 0x5dcb30
cmp eax, 0x44000
jne 0x5dcb4d
mov byte [ebp - 2], 1
jmp 0x5dcb4d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5dcb4d
mov byte [ebp - 2], 2
jmp 0x5dcb4d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5dcba5
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5dcba5
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x5dccff
cmp eax, 0x80000000
je 0x5dccc6
cmp eax, ecx
jne 0x5dcba5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5dcba5
cmp eax, 2
jbe 0x5dcda7
cmp eax, 4
jbe 0x5dcc98
cmp eax, 5
je 0x5dcda7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x703b00]
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 + 0x703b00]
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 0x5dcc17
test byte [ebp + 0x10], 8
je 0x5dcc17
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x703b00]
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 0x5dce26
test byte [ebp + 0x10], 1
je 0x5dce26
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 0x5dce0f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005c997c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x703b00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005ca395
pop ecx
jmp 0x5dc98e
push 2
push ebx
push ebx
push dword [esi]
call fcn.005c8bca
add esp, 0x10
or eax, edx
je 0x5dcda7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005c8bca
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5dca88
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.005c850c
add esp, 0xc
cmp eax, 0xffffffff
je 0x5dca88
cmp eax, 2
je 0x5dcd4b
cmp eax, 3
jne 0x5dcd99
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5dcd4b
mov byte [ebp - 2], 1
jmp 0x5dcba5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5dcba5
cmp eax, 2
jbe 0x5dcda7
cmp eax, 4
ja 0x5dcb9c
push 2
push ebx
push ebx
push dword [esi]
call fcn.005c8bca
add esp, 0x10
or eax, edx
je 0x5dcda7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005c8bca
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5dcba5
jmp 0x5dca88
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5dcd73
push dword [esi]
call fcn.005c8eed
pop ecx
call fcn.005c9956
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5dce28
cmp eax, 0xfeff
jne 0x5dcd99
push ebx
push 2
push dword [esi]
call fcn.005ddb3c
add esp, 0xc
cmp eax, 0xffffffff
je 0x5dca88
mov byte [ebp - 2], 2
jmp 0x5dcba5
push ebx
push ebx
push dword [esi]
call fcn.005ddb3c
add esp, 0xc
jmp 0x5dcd3d
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x5dcdc7
dec eax
jne 0x5dcba5
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5dcdd5
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.005d19eb
add esp, 0xc
cmp eax, 0xffffffff
je 0x5dcdfb
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5dcdd5
jmp 0x5dcba5
push dword [esi]
call fcn.005c8eed
pop ecx
call fcn.005c9956
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5dce28
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x703b00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret