Function at 0x10017450
Capabilities:
Create new key via cryptacquirecontext
Delete file
Encrypt data using aes via winapi
Encrypt or decrypt via wincrypt
Get file size
Read file on windows
Write file on windows

Disassembly:
sub esp, 0x80
mov eax, dword [0x10139d00]
xor eax, esp
mov dword [esp + 0x78], eax
push ebx
mov ebx, edx
push esi
push edi
mov edi, ecx
mov dword [esp + 0x2c], ebx
mov byte [esp + 0x13], 0
test ebx, ebx
je 0x100175db
push 0xf0000000
push 0x18
push 0
push 0
lea eax, [esp + 0x2c]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x100175db
xor eax, eax
push 0x20
xor ecx, ecx
lea edx, [esp + 0x48]
push 0x10129fb4
push edx
mov byte [esp + 0x44], 8
mov byte [esp + 0x45], 2
mov word [esp + 0x46], cx
mov dword [esp + 0x48], 0x6610
mov dword [esp + 0x4c], 0x20
mov byte [esp + 0x70], cl
mov dword [esp + 0x71], eax
mov dword [esp + 0x75], eax
mov dword [esp + 0x79], eax
mov word [esp + 0x7d], ax
mov byte [esp + 0x7f], al
call fcn.100d0e10
push 0x10
lea eax, [esp + 0x74]
push 0x10129fd8
push eax
call fcn.100d0e10
mov eax, dword [esp + 0x34]
add esp, 0x18
lea ecx, [esp + 0x14]
push ecx
push 0
push 0
push 0x2c
lea edx, [esp + 0x48]
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
push 0
test eax, eax
je 0x100175d0
mov eax, dword [esp + 0x18]
mov esi, dword [sym.imp.ADVAPI32.dll_CryptSetKeyParam]
lea edx, [esp + 0x34]
push edx
push 4
push eax
mov dword [esp + 0x40], 1
call esi
mov ecx, dword [esp + 0x14]
test eax, eax
jne 0x1001756c
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov edx, dword [esp + 0x1c]
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x78]
xor ecx, esp
call fcn.100d0738
add esp, 0x80
ret
push 0
lea eax, [esp + 0x38]
push eax
push 3
push ecx
mov dword [esp + 0x44], 1
call esi
mov edx, dword [esp + 0x14]
test eax, eax
jne 0x100175b3
push edx
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov eax, dword [esp + 0x1c]
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x78]
xor ecx, esp
call fcn.100d0738
add esp, 0x80
ret
push 0
lea ecx, [esp + 0x68]
push ecx
push 1
push edx
call esi
test eax, eax
jne 0x100175f2
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
mov ecx, dword [esp + 0x20]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x78]
xor ecx, esp
call fcn.100d0738
add esp, 0x80
ret
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push edi
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
call edi
mov esi, eax
cmp esi, 0xffffffff
je 0x10017721
lea edx, [esp + 0x20]
push edx
push esi
mov dword [esp + 0x28], 0
mov dword [esp + 0x2c], 0
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
push 0
push 0x80
push 2
push 0
push 1
push 0x40000000
push ebx
call edi
mov edi, eax
cmp edi, 0xffffffff
je 0x1001771a
push 0
lea eax, [esp + 0x1c]
push eax
push 0x10
lea ecx, [esp + 0x80]
push ecx
push esi
mov dword [esp + 0x2c], 0
xor bl, bl
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x1001770b
mov edi, edi
mov eax, dword [esp + 0x18]
test eax, eax
je 0x1001770b
cmp eax, 0x10
jne 0x10017763
mov eax, dword [esp + 0x20]
add eax, 0xfffffff0
adc dword [esp + 0x24], 0xffffffff
mov dword [esp + 0x20], eax
test bl, bl
jne 0x100176ab
mov bl, 1
or eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x14]
lea edx, [esp + 0x18]
push edx
lea eax, [esp + 0x78]
push eax
push 0
jne 0x100176c5
push 1
jmp 0x100176c7
push 0
push 0
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptDecrypt]
mov eax, dword [esp + 0x18]
push 0
lea edx, [esp + 0x1c]
push edx
push eax
lea ecx, [esp + 0x80]
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push 0
lea edx, [esp + 0x1c]
push edx
push 0x10
lea eax, [esp + 0x80]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x10017680
push edi
mov byte [esp + 0x17], bl
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, dword [esp + 0x2c]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [esp + 0x14]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov edx, dword [esp + 0x1c]
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
cmp byte [esp + 0x13], 0
jne 0x10017747
push ebx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov ecx, dword [esp + 0x84]
mov al, byte [esp + 0x13]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.100d0738
add esp, 0x80
ret
push edi
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call edi
push esi
call edi
mov ebx, dword [esp + 0x2c]
jmp 0x10017740