Function at 0x10021a9e
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 0x10021acd
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x10021ad7
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1002532e
test eax, eax
pop ecx
je 0x10021af2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10012e19
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.100178db
test eax, eax
pop ecx
je 0x10021b0d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10012e19
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x10021b2a
test ecx, 0x74000
jne 0x10021b26
cmp dword [ebp - 0x24], eax
je 0x10021b2a
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x10021b84
dec eax
je 0x10021b6e
dec eax
je 0x10021b69
call fcn.10016ee6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10016ed3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.10012f15
add esp, 0x14
jmp 0x10022136
mov dword [ebp - 8], edx
jmp 0x10021b87
test cl, 8
je 0x10021b7b
test ecx, 0x70000
jne 0x10021b69
mov dword [ebp - 8], 0x40000000
jmp 0x10021b87
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x10021bc8
sub eax, ecx
je 0x10021bbf
sub eax, ecx
je 0x10021bb6
sub eax, ecx
je 0x10021bad
sub eax, 0x40
jne 0x10021b43
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x10021bcb
mov dword [ebp - 0x10], 3
jmp 0x10021bcb
mov dword [ebp - 0x10], 2
jmp 0x10021bcb
mov dword [ebp - 0x10], 1
jmp 0x10021bcb
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 0x10021c1e
je 0x10021c15
cmp eax, ebx
je 0x10021c15
cmp eax, edi
je 0x10021c0c
cmp eax, 0x200
je 0x10021c91
cmp eax, 0x300
jne 0x10021b43
mov dword [ebp - 0x14], 2
jmp 0x10021c3b
mov dword [ebp - 0x14], 4
jmp 0x10021c3b
mov dword [ebp - 0x14], 3
jmp 0x10021c3b
cmp eax, 0x500
je 0x10021c34
cmp eax, 0x600
je 0x10021c91
cmp eax, edx
jne 0x10021b43
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10021c5f
mov ecx, dword [0x10031bac]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10021c5f
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x10021c7b
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x10021c7b
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x10021c84
or dword [ebp - 0xc], edi
test al, 0x20
je 0x10021c9a
or dword [ebp - 0xc], 0x8000000
jmp 0x10021ca5
mov dword [ebp - 0x14], 5
jmp 0x10021c3b
test al, 0x10
je 0x10021ca5
or dword [ebp - 0xc], 0x10000000
call fcn.100228bf
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x10021ccb
call fcn.10016ee6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10016ed3
mov dword [eax], 0x18
jmp 0x10021d59
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 0x10021d65
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10021d31
test byte [ebp + 0x10], 1
je 0x10021d31
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 0x10021d65
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10033a20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10016ef9
pop ecx
call fcn.10016ed3
mov eax, dword [eax]
jmp 0x100221f2
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10021db6
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10033a20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10016ef9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10021d59
call fcn.10016ed3
mov dword [eax], 0xd
jmp 0x10021d59
cmp eax, 2
jne 0x10021dc1
or byte [ebp - 1], 0x40
jmp 0x10021dca
cmp eax, 3
jne 0x10021dca
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1002268e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10033a20]
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 + 0x10033a20]
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 0x10021e9f
test cl, 0x80
je 0x10021f6f
test byte [ebp + 0x10], 2
je 0x10021e9f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1001eec6
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10021e5e
call fcn.10016ee6
cmp dword [eax], 0x83
je 0x10021e9f
push dword [esi]
call fcn.1001f014
jmp 0x10021d58
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.1001dfb2
add esp, 0xc
test eax, eax
jne 0x10021e8f
cmp byte [ebp - 4], 0x1a
jne 0x10021e8f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.100250be
add esp, 0xc
cmp eax, edi
je 0x10021e52
push ebx
push ebx
push dword [esi]
call fcn.1001eec6
add esp, 0xc
cmp eax, edi
je 0x10021e52
test byte [ebp - 1], 0x80
je 0x10021f6f
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10021ec7
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10021ec4
or dword [ebp + 0x10], edi
jmp 0x10021ec7
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10021f14
cmp eax, 0x10000
je 0x10021f00
cmp eax, 0x14000
je 0x10021f00
cmp eax, 0x20000
je 0x10021f0e
cmp eax, 0x24000
je 0x10021f0e
cmp eax, 0x40000
je 0x10021efa
cmp eax, 0x44000
jne 0x10021f17
mov byte [ebp - 2], 1
jmp 0x10021f17
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10021f17
mov byte [ebp - 2], 2
jmp 0x10021f17
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10021f6f
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10021f6f
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x100220c9
cmp eax, 0x80000000
je 0x10022090
cmp eax, ecx
jne 0x10021f6f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10021f6f
cmp eax, 2
jbe 0x10022171
cmp eax, 4
jbe 0x10022062
cmp eax, 5
je 0x10022171
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10033a20]
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 + 0x10033a20]
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 0x10021fe1
test byte [ebp + 0x10], 8
je 0x10021fe1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10033a20]
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 0x100221f0
test byte [ebp + 0x10], 1
je 0x100221f0
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 0x100221d9
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10016ef9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10033a20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1002270b
pop ecx
jmp 0x10021d58
push 2
push ebx
push ebx
push dword [esi]
call fcn.1001f734
add esp, 0x10
or eax, edx
je 0x10022171
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1001f734
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10021e52
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1001dfb2
add esp, 0xc
cmp eax, 0xffffffff
je 0x10021e52
cmp eax, 2
je 0x10022115
cmp eax, 3
jne 0x10022163
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10022115
mov byte [ebp - 2], 1
jmp 0x10021f6f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10021f6f
cmp eax, 2
jbe 0x10022171
cmp eax, 4
ja 0x10021f66
push 2
push ebx
push ebx
push dword [esi]
call fcn.1001f734
add esp, 0x10
or eax, edx
je 0x10022171
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1001f734
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10021f6f
jmp 0x10021e52
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1002213d
push dword [esi]
call fcn.1001f014
pop ecx
call fcn.10016ed3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x100221f2
cmp eax, 0xfeff
jne 0x10022163
push ebx
push 2
push dword [esi]
call fcn.1001eec6
add esp, 0xc
cmp eax, 0xffffffff
je 0x10021e52
mov byte [ebp - 2], 2
jmp 0x10021f6f
push ebx
push ebx
push dword [esi]
call fcn.1001eec6
add esp, 0xc
jmp 0x10022107
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10022191
dec eax
jne 0x10021f6f
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1002219f
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.1001ec63
add esp, 0xc
cmp eax, 0xffffffff
je 0x100221c5
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1002219f
jmp 0x10021f6f
push dword [esi]
call fcn.1001f014
pop ecx
call fcn.10016ed3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x100221f2
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10033a20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret