Function at 0x100c1073
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 0x100c10a2
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x100c10ac
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.100c3ae7
test eax, eax
pop ecx
je 0x100c10c7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100b40c6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.100b055c
test eax, eax
pop ecx
je 0x100c10e2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100b40c6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x100c10ff
test ecx, 0x74000
jne 0x100c10fb
cmp dword [ebp - 0x24], eax
je 0x100c10ff
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x100c1159
dec eax
je 0x100c1143
dec eax
je 0x100c113e
call fcn.100ae472
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.100ae45f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.100b41c2
add esp, 0x14
jmp 0x100c170b
mov dword [ebp - 8], edx
jmp 0x100c115c
test cl, 8
je 0x100c1150
test ecx, 0x70000
jne 0x100c113e
mov dword [ebp - 8], 0x40000000
jmp 0x100c115c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x100c119d
sub eax, ecx
je 0x100c1194
sub eax, ecx
je 0x100c118b
sub eax, ecx
je 0x100c1182
sub eax, 0x40
jne 0x100c1118
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x100c11a0
mov dword [ebp - 0x10], 3
jmp 0x100c11a0
mov dword [ebp - 0x10], 2
jmp 0x100c11a0
mov dword [ebp - 0x10], 1
jmp 0x100c11a0
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 0x100c11f3
je 0x100c11ea
cmp eax, ebx
je 0x100c11ea
cmp eax, edi
je 0x100c11e1
cmp eax, 0x200
je 0x100c1266
cmp eax, 0x300
jne 0x100c1118
mov dword [ebp - 0x14], 2
jmp 0x100c1210
mov dword [ebp - 0x14], 4
jmp 0x100c1210
mov dword [ebp - 0x14], 3
jmp 0x100c1210
cmp eax, 0x500
je 0x100c1209
cmp eax, 0x600
je 0x100c1266
cmp eax, edx
jne 0x100c1118
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x100c1234
mov ecx, dword [0x1024ced0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x100c1234
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x100c1250
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x100c1250
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x100c1259
or dword [ebp - 0xc], edi
test al, 0x20
je 0x100c126f
or dword [ebp - 0xc], 0x8000000
jmp 0x100c127a
mov dword [ebp - 0x14], 5
jmp 0x100c1210
test al, 0x10
je 0x100c127a
or dword [ebp - 0xc], 0x10000000
call fcn.100b2a65
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x100c12a0
call fcn.100ae472
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.100ae45f
mov dword [eax], 0x18
jmp 0x100c132e
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 0x100c133a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x100c1306
test byte [ebp + 0x10], 1
je 0x100c1306
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 0x100c133a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1024da20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100ae485
pop ecx
call fcn.100ae45f
mov eax, dword [eax]
jmp 0x100c17c7
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x100c138b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1024da20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.100ae485
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x100c132e
call fcn.100ae45f
mov dword [eax], 0xd
jmp 0x100c132e
cmp eax, 2
jne 0x100c1396
or byte [ebp - 1], 0x40
jmp 0x100c139f
cmp eax, 3
jne 0x100c139f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.100b2834
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x1024da20]
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 + 0x1024da20]
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 0x100c1474
test cl, 0x80
je 0x100c1544
test byte [ebp + 0x10], 2
je 0x100c1474
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.100b6a46
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x100c1433
call fcn.100ae472
cmp dword [eax], 0x83
je 0x100c1474
push dword [esi]
call fcn.100b5cae
jmp 0x100c132d
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.100b60fc
add esp, 0xc
test eax, eax
jne 0x100c1464
cmp byte [ebp - 4], 0x1a
jne 0x100c1464
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.100c3877
add esp, 0xc
cmp eax, edi
je 0x100c1427
push ebx
push ebx
push dword [esi]
call fcn.100b6a46
add esp, 0xc
cmp eax, edi
je 0x100c1427
test byte [ebp - 1], 0x80
je 0x100c1544
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x100c149c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x100c1499
or dword [ebp + 0x10], edi
jmp 0x100c149c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x100c14e9
cmp eax, 0x10000
je 0x100c14d5
cmp eax, 0x14000
je 0x100c14d5
cmp eax, 0x20000
je 0x100c14e3
cmp eax, 0x24000
je 0x100c14e3
cmp eax, 0x40000
je 0x100c14cf
cmp eax, 0x44000
jne 0x100c14ec
mov byte [ebp - 2], 1
jmp 0x100c14ec
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x100c14ec
mov byte [ebp - 2], 2
jmp 0x100c14ec
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x100c1544
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x100c1544
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x100c169e
cmp eax, 0x80000000
je 0x100c1665
cmp eax, ecx
jne 0x100c1544
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100c1544
cmp eax, 2
jbe 0x100c1746
cmp eax, 4
jbe 0x100c1637
cmp eax, 5
je 0x100c1746
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1024da20]
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 + 0x1024da20]
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 0x100c15b6
test byte [ebp + 0x10], 8
je 0x100c15b6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1024da20]
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 0x100c17c5
test byte [ebp + 0x10], 1
je 0x100c17c5
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 0x100c17ae
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100ae485
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1024da20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.100b28b1
pop ecx
jmp 0x100c132d
push 2
push ebx
push ebx
push dword [esi]
call fcn.100c0ed7
add esp, 0x10
or eax, edx
je 0x100c1746
push ebx
push ebx
push ebx
push dword [esi]
call fcn.100c0ed7
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x100c1427
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.100b60fc
add esp, 0xc
cmp eax, 0xffffffff
je 0x100c1427
cmp eax, 2
je 0x100c16ea
cmp eax, 3
jne 0x100c1738
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x100c16ea
mov byte [ebp - 2], 1
jmp 0x100c1544
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100c1544
cmp eax, 2
jbe 0x100c1746
cmp eax, 4
ja 0x100c153b
push 2
push ebx
push ebx
push dword [esi]
call fcn.100c0ed7
add esp, 0x10
or eax, edx
je 0x100c1746
push ebx
push ebx
push ebx
push dword [esi]
call fcn.100c0ed7
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x100c1544
jmp 0x100c1427
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x100c1712
push dword [esi]
call fcn.100b5cae
pop ecx
call fcn.100ae45f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x100c17c7
cmp eax, 0xfeff
jne 0x100c1738
push ebx
push 2
push dword [esi]
call fcn.100b6a46
add esp, 0xc
cmp eax, 0xffffffff
je 0x100c1427
mov byte [ebp - 2], 2
jmp 0x100c1544
push ebx
push ebx
push dword [esi]
call fcn.100b6a46
add esp, 0xc
jmp 0x100c16dc
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x100c1766
dec eax
jne 0x100c1544
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x100c1774
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.100bcf6e
add esp, 0xc
cmp eax, 0xffffffff
je 0x100c179a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x100c1774
jmp 0x100c1544
push dword [esi]
call fcn.100b5cae
pop ecx
call fcn.100ae45f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x100c17c7
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1024da20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret