Function at 0x4b3f90
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x134
mov eax, dword [0x5ae774]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0x10]
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
mov dword [ebp - 0x124], eax
xor eax, eax
mov dword [ebp - 0x10c], edi
mov dword [ebp - 0x108], ebx
mov dword [ebp - 0x114], 0
mov dword [ebp - 0x118], eax
test edi, edi
jne 0x4b4009
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push esi
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push ebx
call fcn.00499b70
add esp, 0x1c
lea ebx, [edi + 0x4d]
jmp 0x4b4340
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0x120], eax
cmp eax, 0xffffffff
jne 0x4b405f
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push edi
push str.schannel:_failed_to_open_CA_file__s:__s
push ebx
call fcn.00499b70
add esp, 0x1c
mov ebx, 0x4d
jmp 0x4b4340
lea ecx, [ebp - 0x12c]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x4b40a3
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push edi
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push ebx
call fcn.00499b70
add esp, 0x1c
mov ebx, 0x4d
jmp 0x4b4334
mov edi, dword [ebp - 0x12c]
cmp dword [ebp - 0x128], esi
jl 0x4b40d8
jg 0x4b40bb
cmp edi, 0x100000
jbe 0x4b40d8
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push ebx
call fcn.00499b70
add esp, 0xc
mov ebx, 0x4d
jmp 0x4b4334
lea eax, [edi + 1]
push eax
call dword [0x5ae090]
mov ecx, eax
add esp, 4
mov dword [ebp - 0x114], ecx
test ecx, ecx
jne 0x4b40f9
lea ebx, [eax + 0x1b]
jmp 0x4b4334
xor ebx, ebx
test edi, edi
je 0x4b4146
nop
push 0
lea eax, [ebp - 0x110]
mov dword [ebp - 0x110], ebx
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ecx]
push eax
push dword [ebp - 0x120]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4b4232
mov eax, dword [ebp - 0x110]
mov ecx, dword [ebp - 0x114]
test eax, eax
je 0x4b422b
add esi, eax
cmp esi, edi
jb 0x4b4100
mov byte [edi + ecx], bl
mov edi, ecx
jmp 0x4b4150
cmp byte [edi], bl
je 0x4b42fb
push str._____BEGIN_CERTIFICATE_____
push edi
call fcn.00515d40
mov esi, eax
add esp, 8
test esi, esi
je 0x4b42fb
mov al, byte [esi + 0x1b]
cmp al, 0xd
je 0x4b417f
cmp al, 0xa
jne 0x4b42fb
push str._n_____END_CERTIFICATE_____
push esi
call fcn.00515d40
mov edi, eax
add esp, 8
test edi, edi
je 0x4b42db
lea eax, [ebp - 0x110]
mov dword [ebp - 0x110], ebx
push eax
push 0
push 0
push 0
lea eax, [ebp - 0x11c]
mov dword [ebp - 0x11c], ebx
push eax
push 0
push 0
push 0xe
push 2
lea eax, [ebp - 0x134]
mov dword [ebp - 0x130], esi
sub edi, esi
push eax
add edi, 0x1a
push 2
mov dword [ebp - 0x134], edi
call dword [sym.imp.CRYPT32.dll_CryptQueryObject]
test eax, eax
je 0x4b42b2
mov eax, dword [ebp - 0x11c]
add edi, esi
cmp eax, 1
jne 0x4b4294
push 0
push 4
push dword [ebp - 0x110]
push dword [ebp - 0x124]
call dword [sym.imp.CRYPT32.dll_CertAddCertificateContextToStore]
push dword [ebp - 0x110]
mov esi, eax
call dword [sym.imp.CRYPT32.dll_CertFreeCertificateContext]
test esi, esi
je 0x4b426e
inc dword [ebp - 0x118]
jmp 0x4b4150
mov edi, esi
jmp 0x4b4146
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push dword [ebp - 0x10c]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push dword [ebp - 0x108]
call fcn.00499b70
add esp, 0x1c
mov ebx, 0x4d
jmp 0x4b4334
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push dword [ebp - 0x10c]
push str.schannel:_failed_to_add_certificate_from_CA_file__s_to_certificate_store:__s
jmp 0x4b4256
push dword [ebp - 0x10c]
push eax
push str.schannel:_unexpected_content_type__d_when_extracting_certificate_from_CA_file__s
push dword [ebp - 0x108]
call fcn.00499b70
mov ebx, 0x4d
jmp 0x4b4331
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b1fd0
push eax
push dword [ebp - 0x10c]
push str.schannel:_failed_to_extract_certificate_from_CA_file__s:__s
jmp 0x4b4256
push dword [ebp - 0x10c]
push str.schannel:_CA_file__s_is_not_correctly_formatted
push dword [ebp - 0x108]
call fcn.00499b70
add esp, 0xc
mov ebx, 0x4d
jmp 0x4b4334
mov eax, dword [ebp - 0x118]
push dword [ebp - 0x10c]
test eax, eax
jne 0x4b4320
push str.schannel:_did_not_add_any_certificates_from_CA_file__s_n
push dword [ebp - 0x108]
call fcn.00499c90
add esp, 0xc
jmp 0x4b4334
push eax
push str.schannel:_added__d_certificate_s__from_CA_file__s_n
push dword [ebp - 0x108]
call fcn.00499c90
add esp, 0x10
push dword [ebp - 0x120]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push dword [ebp - 0x114]
call dword [0x5ae094]
mov ecx, dword [ebp - 4]
add esp, 4
mov eax, ebx
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.005101e9
mov esp, ebp
pop ebp
ret